{"id":2124,"date":"2026-07-24T00:24:45","date_gmt":"2026-07-24T00:24:45","guid":{"rendered":"https:\/\/gearrack.top\/product\/nylon-gear-rack-plastic-gear-rack-custom-oem-manufacturer-machining\/"},"modified":"2026-07-24T00:36:38","modified_gmt":"2026-07-24T00:36:38","slug":"nylon-gear-rack-plastic-gear-rack","status":"publish","type":"product","link":"https:\/\/gearrack.top\/ja\/product\/nylon-gear-rack-plastic-gear-rack\/","title":{"rendered":"Nylon Gear Rack | Plastic Gear Rack, Custom OEM Manufacturer Machining"},"content":{"rendered":"
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<\/p>\n

Nylon Gear Rack \u2014 Product Overview<\/h2>\n

Ever-Power nylon gear racks<\/a><\/strong> are precision-machined plastic linear drive components used wherever a steel rack is impractical \u2014 because the environment is corrosive, the load is light, the required noise level is low, or the application demands a lubrication-free drive that never contaminates surrounding components. Nylon meshes quietly with standard spur pinions, self-lubricates through the inherent low-friction surface of the polymer, and absorbs the vibration that a steel rack would transmit directly to the machine frame. The result is a smooth, near-silent drive that resists the chemicals, moisture, and temperature cycling found in food processing, packaging, greenhouse, and medical equipment environments.<\/p>\n

Every nylon gear rack from Ever-Power is CNC-machined to your specification from engineering-grade polymer bar or plate stock \u2014 not a catalogue injection-moulded item. This approach delivers tooth accuracy and dimensional consistency that injection moulding cannot match at the same module and length, and allows non-standard profiles or hole patterns to be accommodated without tooling cost. PA6, PA66, MC nylon (MC901 cast nylon), POM acetal, and glass-fibre-reinforced nylon are all in regular production. OEM drawings in DXF, DWG, STEP, or PDF are accepted; samples are available prior to production order commitment.<\/p>\n


\n\"nylon<\/p>\n

<\/p>\n

Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nStandard Range \/ Options<\/th>\n<\/tr>\n<\/thead>\n
Module<\/strong><\/td>\nM1, M1.5, M2, M2.5, M3, M4, M5, M6, M8; non-standard per drawing<\/td>\n<\/tr>\n
Tooth Profile<\/strong><\/td>\nSpur (straight tooth) standard; helical on request<\/td>\n<\/tr>\n
Pressure Angle<\/strong><\/td>\n20\u00b0 standard; 14.5\u00b0 per drawing<\/td>\n<\/tr>\n
Length per Section<\/strong><\/td>\nUp to 1,000 mm; half-tooth machined ends for butted long-travel drives<\/td>\n<\/tr>\n
Cross-Section<\/strong><\/td>\nRectangular flat standard; round bar; custom profile per drawing<\/td>\n<\/tr>\n
Accuracy<\/strong><\/td>\nDIN 7-9 CNC-machined standard<\/td>\n<\/tr>\n
Material Options<\/strong><\/td>\nPA6 \/ PA66 \/ MC Nylon (MC901) \/ POM Acetal \/ GF30-PA66 \/ UHMWPE on request<\/td>\n<\/tr>\n
Colour<\/strong><\/td>\nNatural (ivory), black, blue (MC901 standard), or per grade<\/td>\n<\/tr>\n
Lubrication<\/strong><\/td>\nSelf-lubricating (dry run standard); oil or grease optional at higher load<\/td>\n<\/tr>\n
Operating Temperature<\/strong><\/td>\nPA66: -30 to +130\u00b0C; MC Nylon: -50 to +120\u00b0C; POM: -40 to +100\u00b0C; GF30-PA66: up to +150\u00b0C<\/td>\n<\/tr>\n
Mating Pinion<\/strong><\/td>\nSteel spur pinion standard; matched nylon pinions available on request<\/td>\n<\/tr>\n
Lead Time<\/strong><\/td>\n7-14 working days from drawing approval; standard grades in stock<\/td>\n<\/tr>\n
\u8a8d\u8a3c<\/strong><\/td>\nISO 9001:2015; material datasheet and dimensional inspection report with every order<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Material Selection Guide<\/h2>\n

Choosing the correct polymer grade has a greater impact on rack service life than any other variable. The four questions below narrow the choice to the right material for most industrial and commercial applications.<\/p>\n

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Question 1<\/p>\n

Will the rack be exposed to regular washing, immersion, or humid outdoor conditions?<\/p>\n

Yes \u2192<\/strong> Use POM acetal<\/strong>. Absorbs below 0.2% moisture vs 1.5-3.5% for nylon \u2014 tooth pitch stays accurate after wash-down. Preferred for food-processing lines, pharmaceutical packaging, and outdoor gate systems in wet climates.
\nNo \u2192<\/strong> Continue to Q2.<\/p>\n<\/div>\n

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Question 2<\/p>\n

Is the operating temperature above 100\u00b0C or is creep under sustained load a concern?<\/p>\n

Yes \u2192<\/strong> Use GF30-PA66<\/strong>. 30% glass fibre raises stiffness and creep resistance and extends continuous temperature limit to 150\u00b0C. Note: GF content is abrasive to soft metal pinions \u2014 use a steel pinion.
\nNo \u2192<\/strong> Continue to Q3.<\/p>\n<\/div>\n

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Question 3<\/p>\n

Is face width above 30 mm, or annual cycle count above 500,000?<\/p>\n

Yes \u2192<\/strong> Use MC nylon (MC901)<\/strong>. Cast nylon has far higher molecular weight than extruded PA, giving better fatigue resistance and wear life at heavy section and high cycle count. Available in oil-impregnated blue grade for extended dry-run life.
\nNo \u2192<\/strong> Continue to Q4.<\/p>\n<\/div>\n

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Question 4<\/p>\n

Standard light-duty drive \u2014 gate, conveyor diverter, consumer automation?<\/p>\n

Cost-critical \u2192<\/strong> Use PA6<\/strong>. Lowest cost, easy to machine, adequate for loads below 200 N in controlled indoor environments.
\nPerformance-first \u2192<\/strong> Use PA66<\/strong>. Higher tensile strength and lower moisture uptake than PA6; the most common all-round nylon rack grade for industrial and residential applications.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Grade<\/th>\nTensile Strength<\/th>\nWear Resistance<\/th>\nMoisture Absorption<\/th>\nMax Temp<\/th>\nRelative Cost<\/th>\nBest For<\/th>\n<\/tr>\n<\/thead>\n
PA6<\/strong><\/td>\nLow<\/td>\nLow<\/td>\nMedium (3.5%)<\/td>\n110\u00b0C<\/td>\nLowest<\/td>\nEconomy light-duty<\/td>\n<\/tr>\n
PA66<\/strong><\/td>\nModerate<\/td>\nModerate<\/td>\nLow (1.5%)<\/td>\n130\u00b0C<\/td>\nLow<\/td>\nGeneral industrial<\/td>\n<\/tr>\n
MC Nylon<\/strong><\/td>\nHigh<\/td>\nHigh<\/td>\nLow<\/td>\n120\u00b0C<\/td>\nMedium<\/td>\nHigh-cycle heavy section<\/td>\n<\/tr>\n
POM<\/strong><\/td>\nModerate<\/td>\nHigh<\/td>\nVery Low (0.2%)<\/td>\n100\u00b0C<\/td>\nMedium<\/td>\nWash-down precision<\/td>\n<\/tr>\n
GF30-PA66<\/strong><\/td>\nVery High<\/td>\nModerate<\/td>\nLow<\/td>\n150\u00b0C<\/td>\nMedium<\/td>\nHigh temp, high load<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Nylon Rack vs Steel Rack \u2014 When to Choose Plastic<\/h2>\n

Plastic gear racks<\/a> are not a substitute for steel in high-load applications \u2014 they are the correct primary choice for a specific set of conditions where steel performs poorly. The table below maps the key decision criteria.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Criterion<\/th>\nNylon \/ Plastic Rack<\/th>\nSteel Rack<\/a><\/th>\n<\/tr>\n<\/thead>\n
Load capacity<\/strong><\/td>\nBelow ~500 N (PA66); up to ~1.5 kN (MC nylon, heavy section)<\/td>\n1 kN to 100+ kN depending on module and material<\/td>\n<\/tr>\n
Noise level<\/strong><\/td>\nVery low \u2014 polymer tooth absorbs mesh impact energy<\/td>\nHigher \u2014 rigid contact transmits vibration to structure<\/td>\n<\/tr>\n
Lubrication<\/strong><\/td>\nNot required \u2014 self-lubricating surface<\/td>\nRequired \u2014 periodic oil or grease application<\/td>\n<\/tr>\n
Corrosion resistance<\/strong><\/td>\nImmune \u2014 wash-down and chemical exposure without surface degradation<\/td>\nRequires surface coating or stainless grade upgrade<\/td>\n<\/tr>\n
Weight<\/strong><\/td>\n~1\/7th of steel \u2014 negligible axis inertia contribution<\/td>\nSignificant \u2014 adds to moving axis inertia<\/td>\n<\/tr>\n
Contamination risk<\/strong><\/td>\nNone \u2014 no lubricant, no metal particles from wear<\/td>\nLubricant and metallic wear particles can contaminate product<\/td>\n<\/tr>\n
Pinion protection<\/strong><\/td>\nNylon rack wears preferentially \u2014 protects the harder steel pinion<\/td>\nWear distributed between both components<\/td>\n<\/tr>\n
Unit cost<\/strong><\/td>\nLower material cost at same module<\/td>\nHigher; hardened variants add heat treatment cost<\/td>\n<\/tr>\n
Verdict<\/strong><\/td>\nChoose plastic<\/strong> when noise, corrosion, or contamination constraints outweigh load requirements<\/td>\nChoose steel<\/strong> when load, speed, or stroke exceeds plastic capability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Applications<\/h2>\n
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\ud83c\udf3f Greenhouse and Agricultural<\/h3>\n

Ventilation window drives, shading screen actuators, and irrigation boom systems in greenhouses run in humid, salt-laden air where steel racks corrode rapidly. Flexible nylon racks can be bent to follow curved ventilation rail paths, simplifying installation. Module M4 or M6 PA66 is the standard specification. Long total travel lengths use butted sections with half-tooth ends.<\/p>\n<\/div>\n

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\ud83c\udffd Sliding Gates and Automated Doors<\/h3>\n

Residential, commercial, and industrial automated sliding gates use nylon racks where quiet operation is required \u2014 particularly in residential settings where steel rack noise would disturb neighbours during night-time opening. Module M4 PA66 nylon racks in 1,000 mm sections with half-tooth ends are the European standard for residential gate motor systems.<\/p>\n<\/div>\n

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\ud83e\uddbb Food Processing and Pharmaceutical<\/h3>\n

Conveyor diverter gates, product pusher arms, and packaging lane indexing use POM or food-grade PA66 racks that withstand wash-down with water and sanitiser. POM is preferred in direct-product-contact zones because its very low moisture absorption maintains pitch accuracy after repeated wetting. FDA-compliant POM and natural PE grades available on request.<\/p>\n<\/div>\n

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\ud83e\udd16 Robotics and Light Automation<\/h3>\n

End-effector positioning arms, semiconductor wafer handling, medical imaging stages, and cleanroom linear drives specify nylon or POM racks where lubricant contamination is prohibited. The low axis inertia of a plastic rack is a further advantage in high-acceleration pick-and-place systems where minimising moving mass directly reduces cycle time.<\/p>\n<\/div>\n

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\ud83d\ude9a Material Handling and Conveyors<\/h3>\n

Conveyor transfer diverters, carton pusher arms, and pallet lane management systems in distribution centres and warehouses use PA66 or MC nylon racks for quiet, maintenance-free operation. The self-lubricating surface eliminates the oil spray and drip that a steel rack drive would require near packaging lines and finished goods.<\/p>\n<\/div>\n

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\ud83d\ude98 Automotive and Consumer Products<\/h3>\n

Adjustable seat mechanisms, sunroof drives, power window regulators, and height-adjustable furniture use nylon racks for their combination of quiet operation, low weight, and corrosion immunity in the humid cabin environment. MC nylon at larger modules is used in hospital bed height-adjustment drives and dental chair positioning systems where higher loads are combined with a strict no-lubricant requirement.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n\n\n\n\n
\"high<\/td>\n\"nylon<\/td>\n\"plastic<\/td>\n\"self-lubrication<\/td>\n<\/tr>\n
\"CNC<\/td>\n\"flexible<\/td>\n\"injection<\/td>\n\"durable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/p>\n

Installation and Storage \u2014 Notes Specific to Plastic Gear Racks<\/h2>\n

Nylon and POM racks behave differently to steel on installation and in service. The points below address the most common issues encountered when switching from steel to plastic racks or installing plastic racks for the first time.<\/p>\n

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\ud83c\udf21 Thermal Expansion<\/h3>\n

Nylon expands approximately 5-8 times more than steel per degree Celsius. For a 1,000 mm PA66 rack, the length change from 10\u00b0C to 40\u00b0C is approximately 1.5 mm. For long butted-section systems, leave a gap of 0.5-1.0 mm at each joint \u2014 do not press sections hard together or the rack will bow in summer heat.<\/p>\n<\/div>\n

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\ud83d\udca7 Moisture Conditioning<\/h3>\n

PA6 and PA66 absorb atmospheric moisture causing a small dimensional increase \u2014 typically 0.2-0.3% linear growth at 50% RH indoors. Store nylon racks sealed in polyethylene bags before installation and allow them to reach equilibrium humidity before final alignment. POM requires no conditioning.<\/p>\n<\/div>\n

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\ud83d\udd27 Fastener Torque<\/h3>\n

Do not over-torque mounting fasteners \u2014 nylon cold-flows under the fastener head if clamped too tightly, causing the rack to bow and lose pitch accuracy over time. Use a flat washer under each fastener head and torque to 40-60% of the value used for a steel rack of the same cross-section.<\/p>\n<\/div>\n

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\ud83d\udd0c Centre Distance<\/h3>\n

Set pinion centre distance to provide light tip clearance against the nylon rack \u2014 a small amount of backlash is beneficial because the nylon tooth surface will compress slightly under load. A zero-backlash preloaded arrangement that works with a steel rack will generate excessive tooth stress on a nylon rack; allow 0.1-0.2 mm backlash for standard duty.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Quality Assurance and Manufacturing Facility<\/h2>\n

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

Ever-Power nylon gear racks are produced under ISO 9001:2015 quality management. Incoming polymer bar stock is verified against the material datasheet for tensile strength, hardness, and moisture content before entering CNC machining. Tooth geometry is inspected by profile projector and gear tooth calliper on every batch. Dimensional inspection covers tooth pitch, rack straightness, and cross-section dimensions. Every order ships with a material datasheet, batch inspection record, and dimensional inspection report. Export packaging for all-plastic racks is sealed polyethylene bags inside cartons to prevent moisture uptake and physical damage in transit.<\/p>\n

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

ISO 9001:2015 and Quality Certificates<\/p>\n<\/div>\n

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Documentation supplied with every order:<\/strong><\/p>\n