{"id":1762,"date":"2026-07-17T06:30:50","date_gmt":"2026-07-17T06:30:50","guid":{"rendered":"https:\/\/gearrack.top\/product\/gear-manufacturers-custom-nylon-gear-helical-gear\/"},"modified":"2026-07-17T06:31:28","modified_gmt":"2026-07-17T06:31:28","slug":"gear-manufacturers-custom-nylon-gear-helical-gear","status":"publish","type":"product","link":"https:\/\/gearrack.top\/fr\/product\/gear-manufacturers-custom-nylon-gear-helical-gear\/","title":{"rendered":"Gear Manufacturers Custom Nylon Gear Helical Gear"},"content":{"rendered":"
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<\/p>\n

Product Overview<\/h2>\n
\n
\n \"Gear\n <\/div>\n
\n

Korea Ever-Power is a specialist custom nylon helical gear manufacturer<\/strong> supplying professional plastic injection moulding and CNC gear hobbing services for helical gears in Nylon (PA6, PA66, PA66+GF), POM, PEEK, PVC, PPS, and all engineering thermoplastics. As a direct factory, Korea Ever-Power produces custom nylon helical gears to any module, tooth count, helix angle, and bore specification \u2014 with diameter 5\u2013200 mm or fully customised, tolerance \u00b10.05 mm, certification ISO9001 \/ SGS \/ Test Report \/ RoHS. All gear sizes, colours, quantities, and materials are customisable to customer drawings or samples. 24-hour customer service; shipping status notification during delivery.<\/p>\n

Korea Ever-Power’s custom nylon helical gears<\/a> are used across all industries where quiet, smooth gear transmission is required in a plastic gear \u2014 cameras, printers, medical devices, automotive actuators, robots, home automation, and industrial drives. The helical tooth form’s gradual engagement gives 3\u20136 dB(A) noise reduction over equivalent spur gears; nylon’s toughness handles shock loads that would fracture brittle materials; and the self-lubricating property eliminates maintenance in sealed or inaccessible drive housings.<\/p>\n<\/p><\/div>\n<\/div>\n

<\/p>\n

\n
\"Custom<\/p>\n

Nylon Helical Gear<\/p>\n<\/div>\n

\"Precision<\/p>\n

Precision Hobbed<\/p>\n<\/div>\n

\"CNC<\/p>\n

CNC Nylon Transmission<\/p>\n<\/div>\n<\/div>\n

<\/p>\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
Nom du produit<\/td>\nGear manufacturers custom nylon helical gear<\/td>\n<\/tr>\n
Gear Style<\/td>\nHelical gear (also available: spur, bevel, duplicate, pinion)<\/td>\n<\/tr>\n
Mat\u00e9riel<\/td>\nNylon\/POM\/PEEK\/PVC\/PPS or customised; PTFE, PU, PA, PE, UPE, ABS, PC, PET, PMMA, PAI also available<\/td>\n<\/tr>\n
Colour<\/td>\nWhite, black, natural, or as required<\/td>\n<\/tr>\n
Diameter<\/td>\n5\u2013200 mm, or fully customised<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b10.05 mm<\/td>\n<\/tr>\n
Certification<\/td>\nISO9001, SGS, Test Report, RoHS<\/td>\n<\/tr>\n
Production Method<\/td>\nInjection moulding (unscrewing mould for helical); CNC hobbing from cast nylon rod for large\/small-lot<\/td>\n<\/tr>\n
Mould Steel<\/td>\nS136H, NAK80, 718H, SKD61 hot-hard, H13 hot-hard, 420 hot-hard \u2014 selected by application<\/td>\n<\/tr>\n
Packing<\/td>\nPlastic bags, cartons, wooden case, pallet, container<\/td>\n<\/tr>\n
Service<\/td>\n24-hour customer service; shipping status notification; new style updates<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Why Choose Custom Nylon Helical Gears<\/h2>\n

\"Customized<\/p>\n

The combination of nylon material properties and helical tooth form produces a gear uniquely well-suited to noise-sensitive, light-to-medium load applications. Six properties set custom nylon helical gears apart:<\/p>\n

\n
\n

Quietest Plastic Gear Type<\/h3>\n

Nylon helical gears combine two independent noise reduction mechanisms: nylon’s high internal damping (absorbs tooth mesh vibration energy as heat before it radiates as sound) and the helical tooth’s gradual engagement (eliminates the abrupt load impulse of spur gear tooth contact). The combined effect: typically 8\u201315 dB(A) quieter than steel spur gears at equivalent speed and load \u2014 the greatest noise reduction achievable in a standard plastic gear configuration. This dual noise reduction makes nylon helical gears the preferred choice for acoustic-critical consumer and medical applications.<\/p>\n<\/p><\/div>\n

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Superior Shock and Impact Resistance<\/h3>\n

Nylon’s outstanding toughness \u2014 impact strength 3\u20135\u00d7 higher than POM at the same module \u2014 gives nylon helical gears the best shock resistance of any standard plastic gear material. In drives that experience sudden jams, overloads, or direction reversals (power tools, RC vehicles, robot joint drives), nylon helical gears absorb the impact energy through elastic deformation rather than fracturing. The helical tooth form further distributes the shock load over a longer contact line, reducing the peak stress per unit tooth area during impact events.<\/p>\n<\/p><\/div>\n

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Higher Load Capacity than Spur Gears<\/h3>\n

The helical gear’s higher contact ratio (transverse + overlap) means more tooth pairs simultaneously share the transmitted load \u2014 reducing peak tooth stress per pair. For the same module and face width, a nylon helical gear can transmit 15\u201325% more torque before tooth root stress reaches the material’s allowable bending stress. This capacity advantage allows a nylon helical gear to replace a larger nylon spur gear when package size is constrained \u2014 fitting a higher-torque drive into the same housing volume.<\/p>\n<\/p><\/div>\n

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Easy to Process, Customise<\/h3>\n

Nylon has excellent processability \u2014 it flows well in injection moulding (lower viscosity than PEEK or PPS), machines cleanly with carbide hobbing tools, and produces a smooth, consistent tooth surface from either production method. Custom nylon helical gears can be designed to any helix angle, module, tooth count, and bore specification from Korea Ever-Power’s engineering team. Integration of hub features (keyway, D-flat, set screw boss, snap-fit clips) directly into the moulded part body is possible without secondary machining.<\/p>\n<\/p><\/div>\n

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Cost-Effective at Production Volume<\/h3>\n

Injection-moulded nylon helical gears have low per-part cost at production volumes \u2014 once the mould is made, each gear is produced in seconds at minimal incremental material cost. The nylon material itself is less expensive than POM per kilogram (though POM’s density-to-strength trade-off often favours POM for precision micro-gears). For helical gears where mould tooling includes an unscrewing mechanism, Korea Ever-Power’s experience in helical gear mould design minimises the mould cost premium vs equivalent spur gear moulds.<\/p>\n<\/p><\/div>\n

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Chemical and Corrosion Resistant<\/h3>\n

Nylon helical gears resist corrosion, salt spray, and most industrial solvents \u2014 performing without rust or surface degradation in environments that destroy unprotected steel helical gears. This chemical resistance makes custom nylon helical gears the preferred choice for food equipment helical drives (acid and alkali cleaning resistance), outdoor automation equipment (rain, UV, temperature cycling), and chemical plant instrumentation drives (solvent exposure). Korea Ever-Power offers UV-stabilised and heat-stabilised nylon grades for extreme outdoor and temperature applications.<\/p>\n<\/p><\/div>\n<\/div>\n

<\/p>\n

Nylon Grade Selection for Custom Helical Gears<\/h2>\n

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

\n\n\n\n\n\n\n\n\n\n
Nylon Grade<\/th>\nTensile Str.<\/th>\nMax Temp.<\/th>\nImpact Str.<\/th>\nRecommended Application<\/th>\n<\/tr>\n<\/thead>\n
PA6<\/td>\n~70 MPa<\/td>\n100\u00b0C<\/td>\nHigh \u2713<\/td>\nGeneral-purpose helical gears, shock-load drives, consumer products<\/td>\n<\/tr>\n
PA66<\/td>\n~85 MPa \u2713<\/td>\n120\u00b0C \u2713<\/td>\nGood<\/td>\nAutomotive actuators, higher temperature, stiffer than PA6<\/td>\n<\/tr>\n
PA66+GF30<\/td>\n~180 MPa \u2713\u2713<\/td>\n130\u00b0C \u2713<\/td>\nModerate<\/td>\nHighest-load helical gears, automotive under-hood, structural drives<\/td>\n<\/tr>\n
MC Nylon (PA6 cast)<\/td>\n~110 MPa \u2713<\/td>\n100\u00b0C<\/td>\nVery high \u2713<\/td>\nLarge-diameter helical gears (CNC hobbed), heavy industrial drives<\/td>\n<\/tr>\n
Oil MC Nylon<\/td>\n~95 MPa<\/td>\n100\u00b0C<\/td>\nVery high \u2713<\/td>\nMaintenance-free heavy-duty helical gears, green colour, continuous dry running<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Applications<\/h2>\n

\"measuring<\/p>\n

\n
\n
<\/div>\n

Cameras and Optical Drives<\/h3>\n

PA6 and POM helical gears in DSLR and mirrorless camera auto-focus drives, zoom lens mechanisms, and disc drive loading systems. The near-silent operation of nylon helical gears is critical in cameras recording ambient audio \u2014 any gear mesh noise would contaminate the audio track. The lightweight construction also matters in camera mechanics where every gram affects autofocus system dynamics and shutter vibration.<\/p>\n<\/div>\n

\n
<\/div>\n

Collaborative Robots<\/h3>\n

MC Nylon and PA66 helical gear stages in collaborative robot joint drives, where the combination of nylon’s shock absorption (human safety on contact), light weight (arm inertia minimisation), and quiet operation (user comfort in shared workspaces) makes it the preferred material over steel for the lower-torque reduction stages in cobot arms rated to 50\u201380 Nm per joint.<\/p>\n<\/div>\n

\n
\ufe0f<\/div>\n

High-Speed Printers<\/h3>\n

PA6 and PA66 helical gears in high-speed laser printer main drive trains, where elevated RPM at full print speed makes the helical gear’s noise advantage over spur gears particularly valuable. At 40+ pages per minute, the printer gear train reaches 500\u20132,000 RPM at some stages \u2014 the speed at which gear mesh noise becomes most perceptible in open-plan office environments and where helical gear noise reduction is most significant.<\/p>\n<\/div>\n

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<\/div>\n

Automotive Interior Actuators<\/h3>\n

PA66 and PA66+GF30 helical gears in automotive sunroof drives, seat adjustment planetary stages, and HVAC blend door actuators. Automotive interior noise regulations are strict \u2014 the gear drive must be below audibility threshold in the quiet cabin at idle. PA66 helical gears at correctly designed helix angles achieve acoustic compliance without the expense of adding acoustic damping foam around the mechanism.<\/p>\n<\/div>\n

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<\/div>\n

Medical Devices<\/h3>\n

PA6 and PEEK helical gears in CPAP and ventilator blower drives, infusion pump mechanisms, and MRI-compatible positioning stages (plastic is non-magnetic \u2014 essential in MRI environments where metal is prohibited). Medical helical gears must be extremely quiet (below ambient ward noise levels), biocompatible (FDA-listed materials), and reliable over the product’s rated service life without maintenance access.<\/p>\n<\/div>\n

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<\/div>\n

Smart Home Devices<\/h3>\n

PA6 nylon helical gears in motorised smart blinds, automated curtain tracks, door lock actuators, and robot vacuum cleaning heads. Smart home devices operate in quiet domestic environments where gear noise directly impacts user perception of product quality. Nylon helical gears provide the near-silent operation required in bedrooms and living rooms, combined with the low maintenance, corrosion resistance, and long service life expected of smart home products.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

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

What is the advantage of nylon helical gears over nylon spur gears?<\/p>\n

Nylon helical gears are quieter (3\u20136 dB(A) lower mesh noise from gradual tooth engagement), have a higher contact ratio (15\u201325% more load capacity at the same module and face width), and produce smoother torque transmission with less torque ripple (important for motor control and positioning accuracy). The trade-off: helical gear moulds cost more than spur gear moulds (require unscrewing mechanism), and helical gears produce an axial thrust force that requires thrust-capable shaft bearings. For most noise-sensitive or load-demanding applications, the performance advantage of nylon helical gears justifies the modest mould cost premium.<\/p>\n<\/div>\n

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What is the maximum helix angle available for custom nylon helical gears?<\/p>\n

Korea Ever-Power can produce custom nylon helical gears at any helix angle from 5\u00b0 to 45\u00b0. Most applications use 10\u00b0\u201325\u00b0 \u2014 providing significant noise and load capacity improvement over spur gears while keeping axial thrust force within the plastic housing’s structural capability. Helix angles above 30\u00b0 produce higher axial forces that may exceed the load rating of plastic shaft bosses; Korea Ever-Power engineers review the housing design for axial load capacity when specifying helix angles above 25\u00b0.<\/p>\n<\/div>\n

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Does Korea Ever-Power produce both injection-moulded and CNC-hobbed nylon helical gears?<\/p>\n

Yes \u2014 both production methods are available. Injection-moulded nylon helical gears: for small-to-medium diameters (5\u2013100 mm) at high volumes, where mould tooling cost is amortised over production quantity. CNC-hobbed nylon helical gears (from cast MC Nylon rod or block): for large diameters (> 100 mm) or small quantities where mould tooling is not justified, achieving DIN6\u20137 precision compared with DIN7\u20138 for injection-moulded. Korea Ever-Power can supply the same gear in both methods for qualification comparison. Contact Korea Ever-Power<\/a> with your specification.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Customer Reviews<\/h2>\n
\n
\n

“We make collaborative robots and evaluated Korea Ever-Power PA66 helical gears (M1.5, 20T, 18\u00b0 helix) vs our previous PA6 spur gears for the wrist joint. Results: noise at 150 RPM joint speed: 31 dB(A) \u2192 24 dB(A). Torque capacity before gear slip: +19%. Shock test (5\u00d7 rated torque, 10 ms impulse): 0\/50 fractures (PA66 helical) vs 3\/50 fractures (PA6 spur). Korea Ever-Power delivered CNC-hobbed prototypes in 6 days for testing before mould commitment.”<\/p>\n

Kim Min-jun<\/strong>  |  Robot Joint Drive Engineer, Incheon Collaborative Robotics Co.  ·  Q2 2026<\/em><\/p>\n<\/div>\n

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“We produce CPAP machines and specified custom PA6 nylon helical gears (M0.8, 30T, 15\u00b0 helix) from Korea Ever-Power for the blower motor drive. Noise in anechoic chamber at rated flow: 22 dB(A) for the gear stage \u2014 below our 25 dB(A) target. Life test at 8,000 hours continuous: no measurable tooth wear increase, no audible noise change. Biocompatibility: PA6 material certification for patient-adjacent device accepted by our regulatory team. Weight: 4.2 g per gear \u2014 matching our mass budget exactly.”<\/p>\n

Lee Da-young<\/strong>  |  Respiratory Device Drive Engineer, Gyeonggi Medical Device Co.  ·  Q4 2025<\/em><\/p>\n<\/div>\n<\/div>\n

<\/p>\n

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

Plastic Gears<\/h3>\n

All plastic gear types \u2014 POM, Nylon, MC Nylon.<\/p>\n

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

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

Steel Helical Gears<\/h3>\n

Steel helical gears for high-load parallel drives.<\/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

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

Engrenages coniques<\/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 Custom Nylon Helical Gears<\/h3>\n

PA6, PA66, PA66+GF30, MC Nylon, Oil MC Nylon. \u00d85\u2013200 mm. \u00b10.05 mm. Any helix angle. Injection moulded or CNC hobbed. ISO9001 \/ SGS \/ RoHS. Cameras, robots, printers, medical, automotive. CNC prototype before mould.<\/p>\n

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

Custom Gear Manufacturers Custom Nylon Gear Helical 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":1763,"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-1762","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\/fr\/wp-json\/wp\/v2\/product\/1762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/comments?post=1762"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/media\/1763"}],"wp:attachment":[{"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/media?parent=1762"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product_brand?post=1762"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product_cat?post=1762"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/gearrack.top\/fr\/wp-json\/wp\/v2\/product_tag?post=1762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}