{"id":1699,"date":"2026-05-22T02:25:39","date_gmt":"2026-05-22T02:25:39","guid":{"rendered":"https:\/\/chinawormgearbox.xyz\/application\/worm-gearbox-for-roller-conveyors\/"},"modified":"2026-05-22T02:25:39","modified_gmt":"2026-05-22T02:25:39","slug":"worm-gearbox-for-roller-conveyors","status":"publish","type":"post","link":"https:\/\/chinawormgearbox.xyz\/pt\/application\/worm-gearbox-for-roller-conveyors\/","title":{"rendered":"Caixa de engrenagens sem-fim para transportadores de rolos"},"content":{"rendered":"

Worm Reducer for Roller Conveyor Systems \u2014 High-Impact Load, Reliable Drive<\/h2>\n

Roller conveyors handle some of the harshest duty cycles in modern logistics and heavy manufacturing \u2014 pallets of steel sheets, engine blocks, filled drums, and bulk containers launched onto powered rollers multiple times per minute. Every collision creates a momentary shock torque that propagates back to the drive unit. A worm gear reducer<\/strong> selected for roller conveyor duty must not only deliver sustained torque, but withstand thousands of impact events per shift without fatigue. This page details how our worm drive reducers<\/strong> are specifically engineered for roller conveyor applications across automotive, steel, warehousing, and heavy logistics sectors.<\/p>\n

\"worm<\/p>\n

Roller Conveyor Operation & Worm Gear Drive Integration<\/h2>\n

Powered roller conveyors use one of two drive architectures: line-shaft drive<\/em> (a single worm gearbox rotates a long line shaft that belt-drives all rollers) or individual motorised rollers<\/em> (small worm drive reducers built into each roller). Our product range covers both configurations.<\/p>\n

In line-shaft layouts, the unidade de engrenagem helicoidal<\/strong> is mounted at one end of the conveyor section and must handle the combined inertia of all rollers plus the full pallet load. Output torque requirements are correspondingly high \u2014 typically 400 N\u00b7m to 2 500 N\u00b7m for heavy-duty pallet lines. The critical engineering challenge is shock load absorption<\/strong>: when a 1 500 kg pallet drops from a lift truck onto the live rollers, the instantaneous torque spike can be 5\u20138\u00d7 the steady-state value. Our cast-iron housing worm gear drives include reinforced output shaft bearings (deep-groove + angular-contact combination) and a bronze worm wheel with a slightly higher tooth backlash than standard to absorb shock without tooth fracture.<\/p>\n

\n
\n Worm Wheel Material<\/strong><\/p>\n

Centrifugally cast phosphor bronze GB ZCuSn10Pb1 \u2014 exceptional impact toughness vs. sand-cast alternatives.<\/p>\n<\/p><\/div>\n

\n \u2699\ufe0f Worm Shaft<\/strong><\/p>\n

20CrMnTi alloy steel, case-carburised to 58\u201362 HRC, precision-ground thread profile.<\/p>\n<\/p><\/div>\n

\n Habita\u00e7\u00e3o<\/strong><\/p>\n

EN-GJL-250 grey cast iron \u2014 CNC machined bearing bores for consistent alignment under heavy radial loads.<\/p>\n<\/p><\/div>\n

\n \ufe0f Seals<\/strong><\/p>\n

Double-lip NBR seals on input and output shafts; optional V-ring seals for dusty environments.<\/p>\n<\/p><\/div>\n<\/div>\n

Technical Specifications & Selection Table<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n
Especifica\u00e7\u00e3o<\/th>\nGama padr\u00e3o<\/th>\nHeavy-Duty Roller Conv.<\/th>\nNotes<\/th>\n<\/tr>\n<\/thead>\n
Rela\u00e7\u00e3o de transmiss\u00e3o<\/td>\n5:1 \u2013 100:1<\/td>\n20:1 \u2013 60:1<\/td>\nMatches roller line speed 15\u201340 m\/min<\/td>\n<\/tr>\n
Torque de sa\u00edda<\/td>\n10 \u2013 4 500 N\u00b7m<\/td>\n400 \u2013 2 500 N\u00b7m<\/td>\nApply SF 1.5\u20132.0 for pallet impact<\/td>\n<\/tr>\n
Eixo de entrada<\/td>\n11 \u2013 55 mm<\/td>\n28 \u2013 48 mm<\/td>\nIEC B5\/B14 flange compatible<\/strong><\/td>\n<\/tr>\n
Output Shaft<\/td>\n18 \u2013 120 mm<\/td>\n50 \u2013 90 mm<\/td>\nSolid or hollow-bore options<\/td>\n<\/tr>\n
Habita\u00e7\u00e3o<\/td>\nAluminium \/ Cast iron<\/td>\nCast iron GJL-250<\/td>\nHigher rigidity for shock loads<\/td>\n<\/tr>\n
IP Rating<\/td>\nIP65 \/ IP66<\/strong><\/td>\nIP65<\/strong> standard<\/td>\nIP66 for outdoor logistics yards<\/td>\n<\/tr>\n
Montagem<\/td>\nFoot \/ Flange \/ Shaft<\/td>\nFoot or torque-arm<\/td>\nTorque arm prevents housing rotation under shock<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Service Factor Guide: Light duty (smooth load, \u22648 h\/day) SF = 1.0; Moderate duty (minor shock, 8\u201316 h\/day) SF = 1.25; Heavy duty (pallet drop, 16\u201324 h\/day) SF = 1.75; Severe duty (continuous impact, 24\/7) SF = 2.0+<\/p>\n

Standards & Certifications<\/h2>\n

Nosso worm gear drives<\/strong> for roller conveyor applications carry the following certifications:<\/p>\n\n\n\n\n\n\n
Standard<\/th>\nScope<\/th>\n<\/tr>\n
ISO 9001:2015<\/strong><\/td>\nFull manufacturing QMS<\/td>\n<\/tr>\n
CE Declaration<\/strong><\/td>\nEU Machinery Directive 2006\/42\/EC<\/td>\n<\/tr>\n
IEC 60034 Motor Flanges<\/strong><\/td>\nDirect motor coupling<\/td>\n<\/tr>\n
IP65 \/ IP66 (IEC 60529)<\/strong><\/td>\nIngress protection sealing<\/td>\n<\/tr>\n<\/table>\n

\"heavy-duty<\/p>\n

Five Industry Case Studies \u2014 Roller Conveyor Worm Drives<\/h2>\n
\n
\n <\/span><\/p>\n
\n Automotive Body Shop \u2014 Press Shop Pallet Line, Czech Republic<\/strong><\/p>\n

Challenge:<\/em> Steel stamping pallets (1 200 kg each) dropped onto roller conveyor every 45 seconds; previous helical gearboxes suffered bearing failure at 4-month intervals. Solu\u00e7\u00e3o:<\/em> Our SF 2.0 heavy-duty cast-iron worm reducer with reinforced taper-roller output bearing. Outcome:<\/em> First replacement interval pushed past 28 months; production line OEE improved 6 %.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n \ufe0f<\/span><\/p>\n
\n Steel Service Centre \u2014 Coil Transfer Line, South Korea<\/strong><\/p>\n

Challenge:<\/em> Steel coils up to 3 000 kg needed precise slow-speed positioning onto uncoilers; existing drives overheated in the 45 \u00b0C mill environment. Solu\u00e7\u00e3o:<\/em> Ratio 50:1 worm gear unit with synthetic PAO 220 lubricant and external cooling fins. Outcome:<\/em> Thermal limit increased 18 \u00b0C; zero heat-related shutdowns over 2 years of operation.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n <\/span><\/p>\n
\n 3PL Warehouse \u2014 Heavy Parcel Sorter, Netherlands<\/strong><\/p>\n

Challenge:<\/em> 24\/7 operation, 500 kg parcels, frequent start-stop \u2014 three different reducer models had failed within a year. Solu\u00e7\u00e3o:<\/em> NMRV 130, ratio 30:1, IP65 sealed, with VFD input for soft-start. Outcome:<\/em> 22 months of continuous operation, noise level 64 dB(A), energy saving 11 % vs. previous fixed-speed drive.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n <\/span><\/p>\n
\n Beverage Industry \u2014 Bottle Crate Roller Line, Brazil<\/strong><\/p>\n

Challenge:<\/em> Washdown-intensive environment; standard gearboxes corroded within months in the humid, detergent-spray hall. Solu\u00e7\u00e3o:<\/em> IP66 worm reducer with stainless steel shaft extension and corrosion-resistant epoxy coating on housing exterior. Outcome:<\/em> No corrosion failures in 3 years; maintenance time cut by 60 %.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

\n \u26a1<\/span><\/p>\n
\n Battery Manufacturing \u2014 Cell Tray Roller Conveyor, China<\/strong><\/p>\n

Challenge:<\/em> ESD-sensitive trays required extremely smooth, jerk-free roller motion; gear noise had caused vibration-induced cell damage. Solu\u00e7\u00e3o:<\/em> Precision-lapped worm gear unit, ratio 40:1, with vibration-damping rubber mounting pads. Outcome:<\/em> Cell rejection rate due to vibration dropped from 0.8 % to 0.05 %; noise below 60 dB(A) in the clean room.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n

Why Industry Leaders Choose Our Worm Gear Units<\/h2>\n
\n
\n

Factory-Direct Supply<\/h3>\n

No distributors, no mark-ups. Direct from our 18 000 m\u00b2 facility with 200+ CNC machining centres.<\/p>\n<\/p><\/div>\n

\n

Precision Manufacturing<\/h3>\n

CMM dimensional inspection and run-in testing on every unit; gear mesh confirmed before shipping.<\/p>\n<\/p><\/div>\n

\n

\ufe0f OEM Flexibility<\/h3>\n

Non-standard ratios, special bore sizes, custom paint finishes, and private-label nameplate available.<\/p>\n<\/p><\/div>\n

\n

Application Engineering<\/h3>\n

Submit your load data and our engineers will provide a written selection report and 3D model within 48 hours.<\/p>\n<\/p><\/div>\n<\/div>\n

Frequently Asked Questions<\/h2>\n
\nHow do I calculate the service factor for a pallet drop roller conveyor?<\/summary>\n

Multiply the rated output torque requirement by an SF of 1.75\u20132.0 for pallet-drop applications. Then verify the chosen reducer’s rated torque at the selected ratio exceeds the SF-corrected value. Also check that the thermal power rating is not exceeded for your ambient temperature and operating hours. We provide a free selection worksheet \u2014 contact us<\/a> to request it.<\/p>\n<\/details>\n

\nWhat causes worm gearbox overheating on roller conveyors?<\/summary>\n

Overheating is most often caused by: (1) selecting too small a frame size, leaving insufficient surface area for heat rejection; (2) using mineral oil at high ambient temperatures \u2014 switch to synthetic ISO VG 220; (3) continuous operation at high ratio (\u2265 50:1) without supplementary cooling. Our engineering team can calculate thermal capacity for your specific duty cycle.<\/p>\n<\/details>\n

\nCan your worm drives be used in a food-adjacent roller conveyor (e.g., bottle crate line)?<\/summary>\n

Yes. We supply IP66 versions with corrosion-resistant housing finish and the option of food-grade H1 lubricant fill. For zones where incidental food contact may occur, select models with stainless steel shaft extensions. Full documentation (material data sheets, lubricant safety data sheets) provided on request.<\/p>\n<\/details>\n

\nWhat is the maximum radial load I can apply to the output shaft?<\/summary>\n

Allowable radial load depends on the frame size and distance from the shaft end. For example, our size 110 cast-iron model allows up to 8 500 N at the shaft centre. When a sprocket or chain drive is used (common in line-shaft roller conveyors), ensure the chain tension is included in the radial load calculation. Refer to our technical catalogue or request application assistance.<\/p>\n<\/details>\n

\nDo you provide installation and alignment support?<\/summary>\n

Each unit ships with a detailed installation manual and mounting dimension drawing. Our technical team is available via video call to support first-time installations at no charge. For large-volume OEM customers, on-site commissioning support can be arranged separately.<\/p>\n<\/details>\n

\n

Specify the Right Worm Reducer for Your Roller Conveyor<\/h2>\n

Tell us your pallet weight, roller speed, motor power, and operating hours \u2014 we’ll handle the selection and provide certified documentation.<\/p>\n

Request Technical Selection<\/a>
\n Our Manufacturing Story<\/a>\n<\/div>","protected":false},"excerpt":{"rendered":"

Worm Reducer for Roller Conveyor Systems \u2014 High-Impact Load, Reliable Drive Roller conveyors handle some of the harshest duty cycles in modern logistics and heavy manufacturing \u2014 pallets of steel sheets, engine blocks, filled drums, and bulk containers launched onto powered rollers multiple times per minute. Every collision creates a momentary shock torque that propagates […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1418],"tags":[1426,1430,1428,1429,1427,1425],"class_list":["post-1699","post","type-post","status-publish","format-standard","hentry","category-conveyor-systems","tag-heavy-duty-worm-reducer-roller-drive","tag-industrial-worm-gearbox-conveyor","tag-shock-load-worm-reducer","tag-worm-drive-roller-line","tag-worm-gear-unit-pallet-conveyor","tag-worm-gearbox-roller-conveyor"],"_links":{"self":[{"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/posts\/1699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/comments?post=1699"}],"version-history":[{"count":0,"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/posts\/1699\/revisions"}],"wp:attachment":[{"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/media?parent=1699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/categories?post=1699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chinawormgearbox.xyz\/pt\/wp-json\/wp\/v2\/tags?post=1699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}