{"id":1784,"date":"2026-07-17T06:32:24","date_gmt":"2026-07-17T06:32:24","guid":{"rendered":"https:\/\/gearrack.top\/product\/factory-price-uhmw-pe-plastic-large-sprocket-wheel-plastic-gear\/"},"modified":"2026-07-17T06:32:29","modified_gmt":"2026-07-17T06:32:29","slug":"factory-price-uhmw-pe-plastic-large-sprocket-wheel-plastic-gear","status":"publish","type":"product","link":"https:\/\/gearrack.top\/it\/product\/factory-price-uhmw-pe-plastic-large-sprocket-wheel-plastic-gear\/","title":{"rendered":"Factory Price Uhmw-pe Plastic Large Sprocket Wheel Plastic Gear"},"content":{"rendered":"
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Product Overview<\/h2>\n
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\n \"Factory\n <\/div>\n
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Factory-price UHMW-PE plastic large sprocket wheels<\/strong> \u2014 Korea Ever-Power supplies ultra-high molecular weight polyethylene large sprocket wheels at direct-from-factory pricing, CNC-machined to any large diameter from UHMW-PE plate, rod, or block stock. Large UHMW-PE sprocket wheels (OD 150 mm to over 1,000 mm) are the preferred choice for heavy-duty conveyor chain drives in food processing, mining, chemical processing, and agricultural industries where the combination of extreme wear resistance, near-zero friction, outstanding chemical resistance, and FDA food-contact compliance is required \u2014 and where the size and quantity make injection moulding uneconomical. Korea Ever-Power’s factory-direct pricing eliminates trader margins, offering the most competitive pricing available for industrial-grade large UHMW-PE sprocket wheels with full material certification and quality traceability.<\/p>\n

Korea Ever-Power’s factory-price large UHMW-PE sprocket wheels<\/a> serve as excellent replacements for cast iron, fabricated steel, and stainless steel large sprockets \u2014 saving 40\u201365% of the metal sprocket cost while delivering superior noise reduction, zero lubrication maintenance, and elimination of corrosion in wet, chemical, and food-processing environments. Quote within 24 hours. 25\u201335 day lead. Video QC before delivery.<\/p>\n<\/p><\/div>\n<\/div>\n

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\"Large<\/p>\n

Large UHMW-PE<\/p>\n<\/div>\n

\"UHMW-PE<\/p>\n

Drive Sprocket<\/p>\n<\/div>\n

\"Large<\/p>\n

Custom Large<\/p>\n<\/div>\n<\/div>\n

Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nDetail<\/th>\n<\/tr>\n<\/thead>\n
Material<\/td>\nUHMW-PE (Ultra-High Molecular Weight Polyethylene) \u2014 MW 3\u20139 million g\/mol<\/td>\n<\/tr>\n
Sprocket Size Range<\/td>\nLarge \u2014 OD 150 mm to 1,000+ mm; all chain pitches<\/td>\n<\/tr>\n
Production Method<\/td>\nCNC machining from UHMW-PE plate, rod, or block stock<\/td>\n<\/tr>\n
Friction Coefficient<\/td>\n\u03bc \u2248 0.04\u20130.08 vs steel \u2014 lowest of any engineering plastic<\/td>\n<\/tr>\n
Water Absorption<\/td>\n< 0.01% \u2014 effectively zero; dimensionally stable through CIP wash cycles<\/td>\n<\/tr>\n
Density<\/td>\n0.93\u20130.94 g\/cm\u00b3 \u2014 8\u00d7 lighter than steel; reduces conveyor drive inertia<\/td>\n<\/tr>\n
Pricing Model<\/td>\nFactory-direct \u2014 no trader margin; most competitive pricing for industrial-grade large UHMW-PE sprockets<\/td>\n<\/tr>\n
Certificazione<\/td>\nISO9001, FDA (food-contact), SGS<\/td>\n<\/tr>\n
Customisation<\/td>\nAll chain pitches (ANSI \/ DIN \/ ISO \/ custom), tooth counts, bore, keyway, face width \u2014 per drawing or sample<\/td>\n<\/tr>\n
Quote Response<\/td>\nWithin 24 hours<\/td>\n<\/tr>\n
Lead Time<\/td>\n25\u201335 days standard; 15 days for simple large sprockets<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Small vs Large UHMW-PE Sprocket Wheels<\/h2>\n

\"UHMW-PE<\/p>\n

Small plastic gears and large plastic sprocket wheels occupy different engineering niches, and the design and material considerations differ significantly between them:<\/p>\n

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Lightweight Property of Large UHMW-PE Sprockets<\/h3>\n

Small plastic gears are used for their low density in applications where weight is a direct performance factor (toy drives, battery-powered devices). For large sprocket wheels, the lightweight property takes on additional significance: a large UHMW-PE sprocket (OD 400 mm, 25 mm face, 10T, 50B chain) weighs approximately 2.8 kg vs 22.4 kg for the equivalent steel sprocket \u2014 an 87% weight reduction. This dramatically reduces the rotational inertia (I = mass \u00d7 radius\u00b2) that the drive motor must overcome on start-up and during speed changes, reducing peak motor current, extending motor and gearbox service life, and enabling faster conveyor acceleration\/deceleration cycles.<\/p>\n<\/p><\/div>\n

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Low Coefficient of Friction \u2014 Heavy-Duty Chains<\/h3>\n

Large sprocket wheels operating under heavy chain tensions and high chain speeds generate significant frictional heat at the tooth-chain contact zone. UHMW-PE’s ultra-low friction coefficient (\u03bc \u2248 0.04\u20130.08) minimises this heat generation \u2014 the chain-UHMW-PE interface remains cool even at high chain speeds (> 2 m\/s), preventing the thermal softening and accelerated wear that limits nylon and POM sprockets in high-speed, high-tension heavy chain drives. The compatibility of different standards including MIL-STD-45662A and ANSI-45208A is maintained by Korea Ever-Power’s precision CNC machining to chain pitch standards.<\/p>\n<\/p><\/div>\n

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Dimensional Stability Under Moisture \u2014 Critical for Large Sprockets<\/h3>\n

For large sprocket wheels, dimensional change from moisture absorption is proportionally more critical than for small sprockets. A nylon large sprocket (OD 400 mm) absorbs 2\u20133% water \u2014 a diametral growth of 8\u201312 mm \u2014 completely disrupting the chain pitch alignment. UHMW-PE’s < 0.01% water absorption produces essentially zero dimensional change (< 0.04 mm on the same OD 400 mm sprocket) through repeated wet-to-dry cycles. This is the fundamental reason UHMW-PE dominates food processing conveyor chain drive applications where daily high-pressure CIP washing is standard practice.<\/p>\n<\/p><\/div>\n

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Elastic Modulus and Temperature Effects<\/h3>\n

Small plastic gears \u2014 elastic modulus depends on temperature, loading rate, humidity, and chemical exposure (data obtainable by tensile testing and dynamic mechanical analysis). For large UHMW-PE sprocket wheels, the lower elastic modulus (0.5\u20130.8 GPa vs steel’s 200 GPa) means the tooth root deflects more under high chain tension \u2014 this tooth deflection must be considered in the sprocket design to ensure the tooth does not deflect so far that adjacent teeth are brought into simultaneous contact with the chain. Korea Ever-Power’s sprocket design engineers verify tooth deflection at maximum design chain tension before production.<\/p>\n<\/p><\/div>\n

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Face Width \u2014 Less Than 0.01 Inches Wide?<\/h3>\n

Small plastic gear faces are usually less than 0.01 inches wide for micro-gear applications. Large UHMW-PE sprocket wheels require face widths matched to the chain strand width \u2014 typically 25\u201380 mm for heavy industrial chains. Korea Ever-Power CNC-machines the face width to the exact chain standard dimension plus a guide flange on each side to prevent lateral chain walk-off. The guide flange geometry is particularly important for large sprockets where the chain tension is high and lateral forces from conveyor path curvature would otherwise cause chain disengagement.<\/p>\n<\/p><\/div>\n

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Pumping and Cutting Applications<\/h3>\n

UHMW-PE large sprocket wheels are also used in pumping applications (peristaltic pump roller sprockets) and in cutting machine chain drives (saw chain drives for timber processing, stone cutting machine chain drives). In these applications, the UHMW-PE sprocket’s near-zero friction and self-lubrication eliminate the lubricant contamination that would compromise product quality \u2014 timber and stone surfaces are contaminated by grease from metal sprocket lubrication. UHMW-PE sprockets in these applications operate completely dry without wear penalty.<\/p>\n<\/p><\/div>\n<\/div>\n

Applications<\/h2>\n

\"Ever-Power<\/p>\n

\n
\n
\u26cf\ufe0f<\/div>\n

Mining and Bulk Material Handling<\/h3>\n

Large UHMW-PE sprocket wheels (OD 300\u2013800 mm) on coal, ore, and aggregate conveyor chain drives. Mining chain drives operate under the highest chain tensions of any industrial application \u2014 and in abrasive slurry environments where UHMW-PE’s exceptional abrasion resistance (lowest wear rate of any engineering plastic) directly extends sprocket life from months (nylon\/POM) to years. The factory-direct pricing makes UHMW-PE large sprockets competitive with fabricated steel alternatives when total life-cycle cost is compared.<\/p>\n<\/div>\n

\n
\ufe0f<\/div>\n

Food Processing \u2014 Large Format Lines<\/h3>\n

Large UHMW-PE sprocket wheels in poultry, fish, and meat processing conveyor main drive stations; large vegetable washing conveyor drives; and bakery tunnel oven chain conveyors. Large food processing conveyors require large sprockets (OD 300\u2013600 mm) where the high tooth count distributes chain tension across many teeth simultaneously \u2014 and UHMW-PE’s FDA compliance, CIP washdown resistance, zero lubrication, and corrosion freedom are all essential properties for food processing conveyor main drives.<\/p>\n<\/div>\n

\n
\u2697\ufe0f<\/div>\n

Chemical and Petrochemical Plant<\/h3>\n

Large UHMW-PE sprocket wheels in chemical plant maintenance conveyors, hazardous material handling chains, and offshore platform equipment drives. UHMW-PE’s resistance to virtually all industrial chemicals (acids, alkalis, solvents, oils) at temperatures below 80\u00b0C, combined with its excellent impact strength at low temperatures (cryogenic service capability), suits the full temperature and chemical exposure range of chemical and petrochemical plant environments where stainless steel sprockets are otherwise required at very high cost.<\/p>\n<\/div>\n

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<\/div>\n

Large Agricultural Equipment<\/h3>\n

Large UHMW-PE sprocket wheels in combine harvester main chain drives, sugar cane processor chain conveyors, and cotton gin chain drives. Agricultural main chain drives use large sprockets (OD 200\u2013500 mm) at high chain tensions \u2014 demanding a sprocket material with both high abrasion resistance (grain, soil, straw abrasives) and chemical resistance (crop residue acids, cleaning solvents). UHMW-PE satisfies both requirements in agricultural main chain drive service.<\/p>\n<\/div>\n

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<\/div>\n

Timber and Woodworking<\/h3>\n

Large UHMW-PE sprocket wheels in sawmill log conveyor chain drives, timber processing line chain heads, and wood chip conveyor drives. The zero-lubrication property of UHMW-PE sprockets eliminates oil contamination of timber surfaces \u2014 a product quality requirement for premium timber processing. The resistance to wood tannins and sawmill chemical treatments that corrode steel ensures long service life in timber processing environments.<\/p>\n<\/div>\n

\n
\u267b\ufe0f<\/div>\n

Waste and Recycling Facilities<\/h3>\n

Large UHMW-PE sprocket wheels in waste sorting conveyor main drives, recycling line chain conveyors, and compost facility material handling drives. Waste and recycling environments combine the most aggressive conditions for chain drives: abrasive materials (glass, metal fragments, grit), corrosive chemicals (organic acids, leachate), and continuous 24\/7 operation. UHMW-PE large sprocket wheels have been proven in these applications to last 3\u20135\u00d7 longer than steel sprockets, which corrode and wear rapidly in leachate and abrasive waste contact.<\/p>\n<\/div>\n<\/div>\n

Frequently Asked Questions<\/h2>\n
\n
\n

What is the maximum size of UHMW-PE large sprocket wheel Korea Ever-Power can produce?<\/p>\n

Korea Ever-Power CNC-machines UHMW-PE large sprocket wheels up to approximately OD 1,200 mm \u00d7 150 mm face width, limited by the available UHMW-PE plate and block size and the CNC machining centre’s work envelope. For very large sprockets above OD 800 mm, Korea Ever-Power can supply segmented sprocket designs \u2014 the large sprocket is manufactured as 3 or 4 arc segments that are bolted together on-site around the existing shaft, eliminating the need to dismantle the shaft and bearings for sprocket replacement. Segmented UHMW-PE large sprocket designs are available from Korea Ever-Power for all standard heavy chain pitches.<\/p>\n<\/div>\n

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\n

How does Korea Ever-Power’s factory-direct pricing compare with trading company or distributor pricing?<\/p>\n

Korea Ever-Power operates its own CNC machining facility and sources UHMW-PE plate and rod directly from resin manufacturers \u2014 there is no intermediate trading company or distributor in the supply chain. International B2B buyers who source large UHMW-PE sprocket wheels through trading companies typically pay 30\u201350% above Korea Ever-Power’s factory-direct price for equivalent specification and quality. Korea Ever-Power provides the same ISO9001 quality documentation, FDA material certificate, and pre-shipment inspection as any premium-priced supplier \u2014 at factory-direct pricing. Request a quotation<\/a> and compare with your current supplier.<\/p>\n<\/div>\n<\/div>\n

Customer Reviews<\/h2>\n
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\n

“We operate a fish processing facility and replaced all stainless steel large sprocket wheels (OD 380 mm, 50B chain, 14T) with UHMW-PE sprockets from Korea Ever-Power. Previous stainless sprockets required weekly degreasing and showed significant pitting after 6 months in fish processing acids. UHMW-PE sprockets at 18 months: zero wear measurement, zero surface degradation in daily CIP with 2% NaOH solution. Noise reduction: 11 dB(A). No lubrication for 18 months. Factory-direct price: 47% below our previous stainless supplier per sprocket. Will never return to stainless.”<\/p>\n

Kim Gyeong-ho<\/strong>  |  Production Manager, Incheon Marine Foods Processing Co.  ·  Q1 2026<\/em><\/p>\n<\/div>\n

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“We manage coal mine conveyor maintenance and trialled UHMW-PE large sprocket wheels (OD 520 mm, 50A heavy chain, 11T) from Korea Ever-Power on our most abrasive conveyor head station. Steel sprockets lasted 8 months on this conveyor. UHMW-PE sprocket at 14 months: tooth wear measurement 0.6 mm \u2014 equivalent steel sprocket was replaced at 4.2 mm at month 8. Projected UHMW-PE life: > 3 years. Korea Ever-Power also supplied a segmented design for the tail sprocket that we fitted without shaft removal \u2014 2-hour replacement vs 16 hours for the previous bolted steel sprocket.”<\/p>\n

Lee Cheol-min<\/strong>  |  Conveyor Maintenance Manager, Gyeonggi Mining Equipment Co.  ·  Q3 2025<\/em><\/p>\n<\/div>\n<\/div>\n

Related Products<\/h2>\n
\n
\"Plastic<\/a><\/p>\n
\n

Plastic Gears<\/h3>\n

All plastic gear types \u2014 POM, Nylon, UHMW-PE.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n

\"Spur<\/a><\/p>\n
\n

Spur Gears<\/h3>\n

Steel spur gears \u2014 all modules.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n

\"Helical<\/a><\/p>\n
\n

Helical Gears<\/h3>\n

Steel helical gears for low-noise drives.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n

\"Ingranaggi<\/a><\/p>\n
\n

Ingranaggi conici<\/h3>\n

Bevel and spiral bevel for right-angle drives.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n

\"Worm<\/a><\/p>\n
\n

Worm Gears<\/h3>\n

Brass worm wheels, stainless worm gears.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n

\"Ring<\/a><\/p>\n
\n

Ring Gears<\/h3>\n

Aerospace, wind turbine, automotive ring gears.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n

\"Planetary<\/a><\/p>\n
\n

Planetary Gears<\/h3>\n

Ring gears, internal kits, planetary sets.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n

\"Other<\/a><\/p>\n
\n

Other Gears<\/h3>\n

Gear rack, auto, herringbone, hypoid, crown.<\/p>\n

Browse \u2192<\/a><\/div>\n<\/div>\n<\/div>\n

\n

Request a Quotation \u2014 Factory-Price UHMW-PE Large Sprocket Wheels<\/h3>\n

UHMW-PE. CNC machined. OD 150\u20131,200 mm. All chain pitches (ANSI \/ DIN \/ custom). Factory-direct pricing \u2014 no trader margin. ISO9001 \/ FDA \/ SGS. Segmented designs for large sprockets available. 24hr quote. 15\u201335 day lead. Mining, food, chemical, agricultural, timber, waste.<\/p>\n

Get a Quote Now<\/a>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Custom Factory Price Uhmw-pe Plastic Large Sprocket Wheel Plastic Gear from Korea Ever-Power \u2014 Hangzhou plastic gear manufacturer. POM, MC Nylon, PA66, PEEK, UHMWPE. ISO9001, SGS, FDA, RoHS certified. Custom size, colour, material. 24hr quote.<\/p>","protected":false},"featured_media":1785,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[4565],"product_tag":[],"class_list":["post-1784","product","type-product","status-publish","has-post-thumbnail","product_cat-plastic-geat","pa_editor-cxm","first","instock","product-type-simple"],"_links":{"self":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product\/1784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/comments?post=1784"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/media\/1785"}],"wp:attachment":[{"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/media?parent=1784"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product_brand?post=1784"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product_cat?post=1784"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gearrack.top\/it\/wp-json\/wp\/v2\/product_tag?post=1784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}