{"id":2646,"date":"2026-09-06T10:45:51","date_gmt":"2026-09-06T10:45:51","guid":{"rendered":"https:\/\/www.cybernetik.com\/blog\/?p=2646"},"modified":"2026-09-06T11:09:37","modified_gmt":"2026-09-06T11:09:37","slug":"horizontal-screw-conveyors-design-working-principle-in","status":"publish","type":"post","link":"https:\/\/www.cybernetik.com\/blog\/process\/horizontal-screw-conveyors-design-working-principle-in\/","title":{"rendered":"Horizontal Screw Conveyors: Design, Working Principle, and Industrial Applications"},"content":{"rendered":"\n<div class=\"wp-block-group has-white-color has-text-color has-background has-link-color wp-elements-2db3d547a7be37ed7f0f53c451312aff is-layout-constrained wp-container-core-group-is-layout-800b4e77 wp-block-group-is-layout-constrained\" style=\"border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-left-radius:5px;border-bottom-right-radius:5px;background-color:#12263a;margin-bottom:20px;padding-top:10px;padding-right:30px;padding-bottom:30px;padding-left:30px\">\n<h2 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-19215f1e6a1396f83f0257af42631315\" style=\"line-height:1.4\">Key takeaways<\/h2>\n\n\n\n<div style=\"height:6px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_53eb10-bd:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_53eb10-bd ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_53eb10-bd ul.kt-svg-icon-list{grid-row-gap:35px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_53eb10-bd .kb-svg-icon-wrap{font-size:10px;color:#ef8e27;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_53eb10-bd ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items2646_53eb10-bd ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap, .kt-svg-icon-list-items2646_53eb10-bd ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap a{line-height:1.2em;}.kt-svg-icon-list-items2646_53eb10-bd ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items2646_53eb10-bd kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-2646_f0021f-68 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_f0021f-68\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Horizontal screw conveyors provide fully enclosed conveying for powders and granular solids, while also supporting multiple inlets and outlets and fitting into space-constrained processing layouts.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_52ae19-ae .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_52ae19-ae\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Screw conveyor performance depends on diameter, pitch, rotational speed, trough loading, bulk density, length, and construction materials, with abrasive and heavy materials generally requiring lower loading to control wear and torque.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_2d5e3f-ec .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_2d5e3f-ec\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Different flight configurations &#8211; including full, short, variable pitch, cut flight, ribbon, and paddle designs &#8211; allow screw conveyors to handle standard conveying, feeding, mixing, lump breaking, and sticky or viscous materials.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_d0dede-ab .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_d0dede-ab\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Industrial applications include process equipment feeding, silo and hopper discharge, milling-line transfer, multi-source collection, dust and waste handling, and conveying combined with mixing or conditioning.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_b82471-38 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_b82471-38\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Screw conveyors are preferred over belts when dust containment, multiple discharge points, limited floor space, metering, or mixing are important, while belts are better suited to long distances, high tonnages, lower power consumption, and certain fragile or abrasive materials.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_ca9f04-22 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_ca9f04-22\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\">Effective screw conveyor design must be based on the material and process requirements, with hygienic construction, VFD-controlled metering, appropriate flight selection, hazardous-area capability, and integration with upstream and downstream equipment.<\/span><\/li>\n<\/ul><\/div>\n<\/div>\n\n\n\n<p class=\"has-link-color wp-elements-154e954d27826c3fcb616dd3d6e54e01 wp-block-paragraph\">The screw conveyor is the oldest continuous conveying device still in industrial use, and it survives because it does something a belt cannot. It moves material fully enclosed, it accepts and discharges material at any point along its length, and it occupies almost no space beyond the pipe it sits in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For powders and granular solids in a food, pharmaceutical or chemical plant, those three properties usually matter more than the efficiency advantage a belt would offer. Dust stays inside the conveyor, multiple silos can feed one line, and the conveyor fits under equipment where nothing else would.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Working Principle<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A helical flight rotates inside a stationary U-shaped trough or a closed tube. Material entering at the inlet is caught between successive turns of the flight and pushed along by the advancing helix.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The subtlety is why the material does not simply rotate with the screw. It stays roughly in place rotationally because friction against the trough wall holds it back, while the flight face pushes it forward. Material advances as a series of slugs sliding along the trough rather than as a smooth stream. That mechanism explains most screw conveyor behaviour: friction against the trough is doing useful work, which is why screw conveyors consume more power than belts, why the trough wears, and why materials that do not develop friction against the wall convey poorly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It also explains why horizontal duty is the easy case. On a level run, gravity holds material against the trough and the flight only has to overcome friction. Tilt the conveyor and gravity begins pulling material back down the flight, so capacity falls steeply. A screw that carries a given rate horizontally will move substantially less at 30 degrees and less again at 45, which is why inclined screws are specified with reduced pitch and higher speed rather than simply angled upward.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-link-color wp-elements-7008e7119f81bc7d4caf70b771dcd7aa\"><strong>Components<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_8d9906-19:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_8d9906-19 ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_8d9906-19 ul.kt-svg-icon-list{grid-row-gap:35px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_8d9906-19 .kb-svg-icon-wrap{font-size:10px;color:#ef8e27;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_8d9906-19 ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items2646_8d9906-19 ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap, .kt-svg-icon-list-items2646_8d9906-19 ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap a{line-height:1.2em;}.kt-svg-icon-list-items2646_8d9906-19 ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items2646_8d9906-19 kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-2646_2b5b07-f7 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_2b5b07-f7\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Screw and flight. <\/strong>The helical element, formed from steel plate and welded to a central pipe or shaft. Flight thickness and hardfacing are set by the abrasiveness of the material.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_b0bd66-c6 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_b0bd66-c6\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Trough or tube. <\/strong>A U-trough with a removable cover gives good access for cleaning and inspection. A closed tube contains dust more effectively and is preferred for hygienic and inclined duty.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_784268-23 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_784268-23\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>End bearings and seals. <\/strong>Support the screw at both ends and prevent material escaping along the shaft. Seal design is a hygiene decision as much as a mechanical one.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_61cd49-17 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_61cd49-17\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Hanger bearings. <\/strong>Intermediate supports needed on longer screws to prevent shaft deflection. Each one interrupts the flight, creates a wear point and provides somewhere for material to lodge, which is why hygienic designs work hard to avoid them.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_523155-b4 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_523155-b4\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Drive unit. <\/strong>Motor and gearbox, frequently with a variable frequency drive so throughput can be controlled directly.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_3a29ee-50 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_3a29ee-50\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Inlets and outlets. <\/strong>One or several along the length, which is the screw conveyor\u2019s structural advantage over belt conveying.<\/span><\/li>\n<\/ul><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full has-custom-border\"><img fetchpriority=\"high\" decoding=\"async\" width=\"7952\" height=\"5304\" src=\"https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/09\/Horizontal-Screw-Conveyors-Design-Working-Principle.webp\" alt=\"\" class=\"wp-image-2668\" style=\"border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-left-radius:5px;border-bottom-right-radius:5px\" srcset=\"https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/09\/Horizontal-Screw-Conveyors-Design-Working-Principle.webp 7952w, https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/09\/Horizontal-Screw-Conveyors-Design-Working-Principle-300x200.webp 300w, https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/09\/Horizontal-Screw-Conveyors-Design-Working-Principle-1024x683.webp 1024w, https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/09\/Horizontal-Screw-Conveyors-Design-Working-Principle-768x512.webp 768w, https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/09\/Horizontal-Screw-Conveyors-Design-Working-Principle-1536x1025.webp 1536w\" sizes=\"(max-width: 7952px) 100vw, 7952px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Design Parameters<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Capacity is a volumetric calculation. The screw moves a defined volume per revolution, and throughput follows from that volume, the rotational speed, how full the trough runs and the bulk density of the material.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Design parameter<\/strong><\/th><th><strong>What it controls<\/strong><\/th><th><strong>Practical consequence<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Screw diameter<\/td><td>Volume moved per revolution<\/td><td>The main capacity lever; larger diameter beats higher speed for abrasive material<\/td><\/tr><tr><td>Pitch<\/td><td>Distance material advances per revolution<\/td><td>Reduced pitch gives finer control at lower throughput<\/td><\/tr><tr><td>Rotational speed<\/td><td>Throughput at a given diameter<\/td><td>High speed degrades friable product and accelerates trough wear<\/td><\/tr><tr><td>Trough loading<\/td><td>How full the cross-section runs, typically 15 to 45 per cent<\/td><td>Abrasive and heavy materials run at lower loading to limit wear and torque<\/td><\/tr><tr><td>Bulk density<\/td><td>Mass throughput and drive sizing<\/td><td>Sizing on the wrong density under-powers the drive or oversizes the motor<\/td><\/tr><tr><td>Length<\/td><td>Torque, deflection and number of hanger bearings<\/td><td>Longer screws need intermediate support, and each hanger is a wear point<\/td><\/tr><tr><td>Materials of construction<\/td><td>Wear life, corrosion resistance and hygiene<\/td><td>Carbon steel for general duty, SS304 or SS316 for food and pharma<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trough loading deserves particular attention because it is the parameter most often assumed rather than specified. Light, free-flowing, non-abrasive powders can run at high loading. Abrasive, heavy or sluggish materials are run much lower, which means the same physical conveyor has very different capacities depending on what is inside it. A capacity figure quoted without the material and the loading percentage is not a specification.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Flight Types<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The flight is not always a plain continuous helix. Its form is selected against material behaviour and against whether the conveyor is also expected to feed, mix or break up product.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Flight type<\/strong><\/th><th><strong>Form<\/strong><\/th><th><strong>Used for<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Full pitch<\/td><td>Pitch equal to screw diameter, the standard configuration<\/td><td>General horizontal conveying of free-flowing material<\/td><\/tr><tr><td>Short pitch<\/td><td>Pitch reduced to around two thirds of diameter<\/td><td>Inclined runs and feeder duty, where control matters more than throughput<\/td><\/tr><tr><td>Variable pitch<\/td><td>Pitch increasing along the screw length<\/td><td>Drawing material evenly from under a long inlet or hopper slot<\/td><\/tr><tr><td>Cut flight<\/td><td>Flight notched at intervals<\/td><td>Conveying while mixing or breaking up light lumps<\/td><\/tr><tr><td>Ribbon flight<\/td><td>Helical ribbon supported off the shaft, open centre<\/td><td>Sticky, gummy or viscous materials that would pack around a solid flight<\/td><\/tr><tr><td>Paddle<\/td><td>Adjustable paddles instead of a continuous flight<\/td><td>Aggressive mixing with slow controlled movement along the trough<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">One further variant is worth knowing. A shaftless screw removes the central shaft entirely, eliminating hanger bearings and the space around the shaft where sticky material packs. It suits wet, stringy and cohesive products at the cost of higher wear against the trough liner.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Industrial Applications<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_7d9d1b-eb:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_7d9d1b-eb ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_7d9d1b-eb ul.kt-svg-icon-list{grid-row-gap:35px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_7d9d1b-eb .kb-svg-icon-wrap{font-size:10px;color:#ef8e27;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_7d9d1b-eb ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items2646_7d9d1b-eb ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap, .kt-svg-icon-list-items2646_7d9d1b-eb ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap a{line-height:1.2em;}.kt-svg-icon-list-items2646_7d9d1b-eb ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items2646_7d9d1b-eb kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-2646_183ee6-25 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_183ee6-25\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Feeding process equipment. <\/strong>Metered delivery of raw material into grinders, mixers, dryers and reactors, with a variable frequency drive setting the rate.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_547059-2c .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_547059-2c\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Silo and hopper discharge. <\/strong>Drawing material from storage at a controlled rate. Cybernetik\u2019s storage silo with integrated screw conveyor handles up to 5 cubic metres and 6,000 kg\/hr with metered feeding.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_223bf7-14 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_223bf7-14\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Inter-equipment transfer in milling lines. <\/strong>In a sugar grinding system, a screw conveyor feeds raw sugar to the high speed fine grinder, and a second transfers stored powder onward to bagging after sifting.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_fabbde-18 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_fabbde-18\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Collecting from multiple sources. <\/strong>A single screw taking inlets from several silos or dust collectors and delivering to one point.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_03e3b2-ba .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_03e3b2-ba\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Dust and waste handling. <\/strong>Moving collected fines from filters and cyclones in fully enclosed conditions.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_903060-ee .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_903060-ee\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Conveying while processing. <\/strong>Cut flight and paddle configurations that mix, condition or break lumps during transport, removing a separate stage.<\/span><\/li>\n<\/ul><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<p class=\"has-text-align-left wp-block-paragraph\" style=\"font-size:29px\"><img decoding=\"async\" class=\"wp-image-503\" style=\"width: 65px\" src=\"https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/05\/Frame-1.svg\" alt=\"\"><strong>&#8220;The right screw conveyor is not selected from a capacity chart alone; it is sized around bulk density, abrasiveness, flow behaviour, trough loading, hygiene requirements, and the duty it must perform<\/strong>.<strong>&#8220;<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-luminous-vivid-amber-color has-text-color has-link-color has-medium-font-size wp-elements-3cc671b03a440f3700a6ec32f9fcb913 is-horizontal is-content-justification-left is-nowrap is-layout-flex wp-container-core-group-is-layout-e8523bbf wp-block-group-is-layout-flex\" style=\"text-decoration:none\">\n<div class=\"wp-block-group is-content-justification-left is-layout-constrained wp-container-core-group-is-layout-d9c85f36 wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image alignwide size-thumbnail\" style=\"margin-top:0;margin-right:0;margin-bottom:0;margin-left:0\"><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/05\/minus-2-150x150.png\" alt=\"\" class=\"wp-image-898\" srcset=\"https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/05\/minus-2-150x150.png 150w, https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/05\/minus-2-300x300.webp 300w, https:\/\/www.cybernetik.com\/blog\/wp-content\/uploads\/2026\/05\/minus-2.webp 512w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/process.cybernetik.com\/\" data-type=\"link\" data-id=\"https:\/\/process.cybernetik.com\/\">Cybernetik process automation team<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\" style=\"font-size:34px\">See it in action<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Screw Conveyor | Industrial Automation System | Cybernetik Product Catalogue\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/BZUup2iNYg0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Screw or Belt for Horizontal Duty<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Both move material horizontally, and the choice is usually clear once three questions are answered.<\/p>\n\n\n\n<p class=\"has-link-color wp-elements-9dc49a7f80a502b92d43df01cf3cf012 wp-block-paragraph\">A screw wins where dust must be contained, where multiple inlets or outlets are needed along the run, where floor space is tight, or where the conveyor should also meter or mix. A <a href=\"https:\/\/process.cybernetik.com\/products\/belt-conveyor.html\">belt conveyor<\/a> wins on long distances, on high tonnages, on power consumption, and with fragile or abrasive materials that a screw would degrade or that would degrade the screw.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The material decides more than the distance does. Highly abrasive products wear flights and troughs continuously; friable products break up between flight and wall; very sticky products pack around the shaft. Where any of those apply, the screw is the wrong technology however convenient the layout makes it look.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Screw Conveyors from Cybernetik<\/strong><\/h2>\n\n\n\n<p class=\"has-link-color wp-elements-d0a46f1d49574f82662093a7f2917d8d wp-block-paragraph\">Cybernetik builds <a href=\"https:\/\/process.cybernetik.com\/products\/screw-conveyor.html\">screw conveyors<\/a> for powder handling across food, pharmaceutical, chemical and agro-processing industries, in horizontal and vertical configurations with multiple inlets and outlets, at lengths up to 40 metres and conveying rates up to 10 tonnes per hour. Conveying rate is set by pitch and rotational speed, and construction materials are selected against the application.<\/p>\n\n\n\n<p class=\"has-link-color wp-elements-c2bfafb85b966e3c82372c76f3723f29 wp-block-paragraph\">Screw conveyors appear throughout Cybernetik\u2019s integrated systems rather than only as standalone units. In the <a href=\"https:\/\/process.cybernetik.com\/solutions\/sugar-grinding-system.html\">sugar grinding system<\/a>, screw conveyors handle feeding to the grinder and transfer from storage to bagging, within an ATEX built, dust-free line with magnetic grates and sifting for foreign particle removal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cybernetik has operated for more than three decades, is headquartered in Pune with additional facilities in Gujarat and Raigad and international offices in the United States and UAE, and has installed over 6,000 systems across 30 plus countries, including more than 400 custom automation solutions. With over 600 employees and divisions spanning Process Automation, Packaging Automation, CleanTech, Extraction, Labs and Defence, a conveyor is engineered with knowledge of the whole line. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why manufacturers specify Cybernetik screw conveyors<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<style>.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_b05917-ba:not(.this-stops-third-party-issues){margin-top:0px;margin-bottom:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_b05917-ba ul.kt-svg-icon-list:not(.this-prevents-issues):not(.this-stops-third-party-issues):not(.tijsloc){margin-top:0px;margin-right:0px;margin-bottom:var(--global-kb-spacing-sm, 1.5rem);margin-left:0px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_b05917-ba ul.kt-svg-icon-list{grid-row-gap:35px;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_b05917-ba .kb-svg-icon-wrap{font-size:10px;color:#ef8e27;}.wp-block-kadence-iconlist.kt-svg-icon-list-items2646_b05917-ba ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap .kt-svg-icon-list-single{margin-right:10px;}.kt-svg-icon-list-items2646_b05917-ba ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap, .kt-svg-icon-list-items2646_b05917-ba ul.kt-svg-icon-list .kt-svg-icon-list-item-wrap a{line-height:1.2em;}.kt-svg-icon-list-items2646_b05917-ba ul.kt-svg-icon-list .kt-svg-icon-list-level-0 .kt-svg-icon-list-single svg{font-size:20px;}<\/style>\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items2646_b05917-ba kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><style>.kt-svg-icon-list-item-2646_9bd4c7-1b .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_9bd4c7-1b\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Sized against the material. <\/strong>Diameter, pitch, speed and trough loading set from bulk density, abrasiveness and flow behaviour rather than from a capacity chart alone.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_6160c9-77 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_6160c9-77\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Flight form selected for the duty. <\/strong>Full, short, variable pitch, cut flight, ribbon or paddle configurations depending on whether the screw conveys, feeds or mixes.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_d1fedc-bf .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_d1fedc-bf\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Hygienic GMP construction. <\/strong>SS304 or SS316 with seal and access design that allows genuine cleaning between products.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_3204f3-05 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_3204f3-05\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Metered feeding as standard. <\/strong>Variable frequency drive control so the conveyor becomes a controlled element of the process, not just transport.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_227971-4a .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_227971-4a\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Hazardous area capability. <\/strong>ATEX construction and dust-free operation where combustible powders require it.<\/span><\/li>\n\n\n<style>.kt-svg-icon-list-item-2646_de8915-07 .kt-svg-icon-list-text mark.kt-highlight{background-color:unset;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}<\/style>\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2646_de8915-07\"><span class=\"kb-svg-icon-wrap kb-svg-icon-fas_circle kt-svg-icon-list-single\"><svg viewBox=\"0 0 512 512\"  fill=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"\/><\/svg><\/span><span class=\"kt-svg-icon-list-text\"><strong>Integration by default. <\/strong>Conveyors specified alongside silos, valves, grinders, sifters and packing equipment, with factory acceptance testing before dispatch.<\/span><\/li>\n<\/ul><\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group has-white-color has-text-color has-background has-link-color wp-elements-ac152bf2f15fc4c7252137b9076b5ae4 is-content-justification-space-between is-layout-flex wp-container-core-group-is-layout-bcf883e7 wp-block-group-is-layout-flex\" style=\"border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-left-radius:5px;border-bottom-right-radius:5px;background-color:#12263a;margin-bottom:20px;padding-top:20px;padding-right:30px;padding-bottom:30px;padding-left:30px\">\n<h3 class=\"wp-block-heading has-white-color has-text-color has-link-color wp-elements-f22099acdeda5e510eedec4b07580a36 wp-container-content-29dca9c1\" style=\"font-size:34px;font-style:normal;font-weight:400;line-height:1.4\">Want to know more about our solution?<\/h3>\n\n\n\n<div class=\"wp-block-buttons wp-container-content-69bc4bdf is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-88867f99 wp-block-buttons-is-layout-flex\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;margin-top:0;margin-bottom:0;padding-top:6;padding-right:6;padding-bottom:6;padding-left:6\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 is-style-fill\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color has-text-align-right wp-element-button\" href=\"https:\/\/meetings-eu1.hubspot.com\/anand-gaikar\" style=\"background-color:#ee8d26;padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\">Book a call<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\"><strong>Frequently asked questions<\/strong><\/h2>\n\n\n<style>.kt-accordion-id2646_269b6e-20 .kt-accordion-inner-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:14px;}.kt-accordion-id2646_269b6e-20 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;background:#ffffff;padding-top:var(--global-kb-spacing-md, 2rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:0px;padding-left:var(--global-kb-spacing-sm, 1.5rem);}.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:0px solid #949494;border-right:0px solid #949494;border-bottom:1px solid #abb8c3;border-left:0px solid #949494;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;background:#ffffff;font-size:var(--global-kb-font-size-md, 1.25rem);line-height:1.5em;letter-spacing:-0.1px;font-weight:400;text-transform:capitalize;color:#12263a;padding-top:14px;padding-right:10px;padding-bottom:16px;padding-left:16px;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap .kt-blocks-accordion-icon-trigger:before{background:#12263a;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger{background:#12263a;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20 .kt-blocks-accordion-header:focus-visible{color:#12263a;background:#ffffff;border-top-color:#474747;border-top-style:solid;border-right-color:#474747;border-right-style:solid;border-bottom-color:#474747;border-bottom-style:solid;border-left-color:#474747;border-left-style:solid;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion--visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle ) .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#ff6900;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger, body:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger{background:#ff6900;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:hover .kt-blocks-accordion-icon-trigger:before, body:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:after, body:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}.kt-accordion-id2646_269b6e-20 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{color:#12263a;background:#ffffff;border-top-color:#abb8c3;border-top-style:solid;border-right-color:#abb8c3;border-right-style:solid;border-bottom-color:#abb8c3;border-bottom-style:solid;border-left-color:#abb8c3;border-left-style:solid;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basiccircle ):not( .kt-accodion-icon-style-xclosecircle ):not( .kt-accodion-icon-style-arrowcircle )  > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#ff6900;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger{background:#ff6900;}.kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:after, .kt-accordion-id2646_269b6e-20:not( .kt-accodion-icon-style-basic ):not( .kt-accodion-icon-style-xclose ):not( .kt-accodion-icon-style-arrow ) .kt-blocks-accordion-header.kt-accordion-panel-active .kt-blocks-accordion-icon-trigger:before{background:#ffffff;}@media all and (max-width: 1024px){.kt-accordion-id2646_269b6e-20 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}@media all and (max-width: 1024px){.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:0px solid #949494;border-right:0px solid #949494;border-bottom:1px solid #abb8c3;border-left:0px solid #949494;}}@media all and (max-width: 1024px){.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20 .kt-blocks-accordion-header:focus-visible{border-top-color:#474747;border-top-style:solid;border-right-color:#474747;border-right-style:solid;border-bottom-color:#474747;border-bottom-style:solid;border-left-color:#474747;border-left-style:solid;}}@media all and (max-width: 1024px){.kt-accordion-id2646_269b6e-20 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top-color:#abb8c3;border-top-style:solid;border-right-color:#abb8c3;border-right-style:solid;border-bottom-color:#abb8c3;border-bottom-style:solid;border-left-color:#abb8c3;border-left-style:solid;}}@media all and (max-width: 767px){.kt-accordion-id2646_269b6e-20 .kt-accordion-inner-wrap{display:block;}.kt-accordion-id2646_269b6e-20 .kt-accordion-inner-wrap .kt-accordion-pane:not(:first-child){margin-top:14px;}.kt-accordion-id2646_269b6e-20 .kt-accordion-panel-inner{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header{border-top:0px solid #949494;border-right:0px solid #949494;border-bottom:1px solid #abb8c3;border-left:0px solid #949494;}.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header:hover, \n\t\t\t\tbody:not(.hide-focus-outline) .kt-accordion-id2646_269b6e-20 .kt-blocks-accordion-header:focus-visible{border-top-color:#474747;border-top-style:solid;border-right-color:#474747;border-right-style:solid;border-bottom-color:#474747;border-bottom-style:solid;border-left-color:#474747;border-left-style:solid;}.kt-accordion-id2646_269b6e-20 .kt-accordion-header-wrap .kt-blocks-accordion-header:focus-visible,\n\t\t\t\t.kt-accordion-id2646_269b6e-20 > .kt-accordion-inner-wrap > .wp-block-kadence-pane > .kt-accordion-header-wrap > .kt-blocks-accordion-header.kt-accordion-panel-active{border-top-color:#abb8c3;border-top-style:solid;border-right-color:#abb8c3;border-right-style:solid;border-bottom-color:#abb8c3;border-bottom-style:solid;border-left-color:#abb8c3;border-left-style:solid;}}<\/style>\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id2646_269b6e-20 kt-accordion-has-19-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-none kt-accodion-icon-side-right\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"0\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane2646_65d613-8b\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">How does a horizontal screw conveyor work?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">A helical flight rotates inside a stationary trough or tube. Material is caught between successive turns and pushed forward by the advancing helix. It does not rotate with the screw because friction against the trough wall holds it back, so it advances as a series of slugs sliding along the trough. That friction is why screw conveyors use more power than belts and why the trough wears.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane2646_f3c4b4-5a\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">How is screw conveyor capacity calculated?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Volumetrically. The screw moves a defined volume per revolution based on diameter and pitch, and throughput follows from that volume multiplied by rotational speed, trough loading percentage and material bulk density. Trough loading typically runs between 15 and 45 per cent, lower for abrasive or heavy materials, so a capacity figure without the material and loading stated is incomplete.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-3 kt-pane2646_9cbf90-49\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">Why does capacity drop when a screw conveyor is inclined?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">On a horizontal run gravity holds material against the trough and the flight only has to overcome friction. As the conveyor is tilted, gravity begins pulling material back down the flight, so an increasing proportion falls back with each revolution. Inclined screws are therefore designed with reduced pitch and higher speed rather than simply angling a horizontal design.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-11 kt-pane2646_0c0f41-ea\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">What are hanger bearings and why do they matter?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Intermediate supports that prevent shaft deflection on longer screws. They are necessary mechanically but interrupt the flight, create a wear point and give material somewhere to lodge, which makes them a hygiene concern in food and pharmaceutical duty. Shaftless screw designs eliminate them entirely at the cost of higher trough wear.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-18 kt-pane2646_607a92-92\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\">Should I use a screw conveyor or a belt conveyor?<\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">Use a screw where dust must be contained, where multiple inlets or outlets are needed along the run, where space is tight, or where the conveyor should also meter or mix. Use a belt for long distances, high tonnages, lower power consumption, and for fragile or highly abrasive materials that a screw would degrade or that would rapidly wear the flights and trough.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-c645e628e62f8fbab9d9726851472d16 wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The screw conveyor is the oldest continuous conveying device still in industrial use, and it survives because it does something a belt cannot. It moves material fully enclosed&#8230;<\/p>\n","protected":false},"author":4,"featured_media":2666,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[30],"class_list":["post-2646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-process","tag-process"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Horizontal Screw Conveyors: Design and Working | Cybernetik<\/title>\n<meta name=\"description\" content=\"How horizontal screw conveyors work, how capacity is calculated, flight types and design parameters, and when a screw beats a belt for horizontal transfer.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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