How to reduce gear whine with finishingGear whine should be diagnosed before choosing a finishing process. Grinding is often used after heat treatment when tooth geometry or distortion needs correction. Lapping and other fine-finishing methods can refine contact and surface condition. The right route depends on the noise mechanism, gear geometry, tolerance, load, lubrication and the mating assembl...

How gear teeth are madeGear teeth are made by first preparing a stable blank and its reference surfaces, then generating the tooth form with a suitable cutting process. The gear may then be heat treated, finished and inspected before it is protected for shipment. Hobbing is common for many external gears, while shaping, broaching or skiving can suit internal or restricted-access forms.For a route ...

Where to buy PairGears stock gearsYou can ask PairGears to check stock gears by sending the part number or series name, required quantity and destination. Availability must be confirmed for the exact item because stock status, packing, release documents and shipping terms can change. The current bulk-order guidance distinguishes in-stock orders from made-to-order production.Browse the PairGears in...

Verifying a gear accuracy grade with dataVerify a gear accuracy grade against the named standard and edition, the specific deviation limits and the inspection report for the delivered gear. PairGears states capability up to ISO 1328 Grade 4, but a supplier must confirm feasibility for the exact gear geometry, material, heat treatment, quantity and inspection scope. A grade number by itself is n...

Match the equipment plan to the partPairGears lists gear hobbing, shaving, grinding, heat-treatment and CNC equipment, plus CMMs, gear testing centers, hardness testers and material-analysis tools. For a custom order, confirm that the planned route can make and verify the critical features. Ask which machine will make them, how they will be measured and which report will show the result before shi...

Specify a backlash range, not simply the smallest possible valueFor repeatable gear motion, specify a functional backlash range at a defined measurement condition, then control the contributors to it: tooth thickness, center distance, shaft and bore runout, profile/lead, mounting stiffness and thermal condition. Zero backlash is rarely a safe default because a mesh still needs clearance for manufa...

How to specify the right type of gearStart with how the gear must transmit motion: shaft orientation, ratio, torque, speed, duty cycle and whether it meshes with an existing part. Then identify the gear family—such as spur, helical, bevel, worm or internal gear—and state the geometry, material, heat treatment, accuracy and inspection requirements that control fit and performance.PairGears can revi...

Choose the grade from system performance, not a grade table aloneStart with allowable transmission error, positioning error, backlash, speed, noise and life. Then name the exact ISO or AGMA document and edition and specify the deviations that must be measured.PairGears' guide to gear accuracy grades, cost, noise and life gives the application context behind the grade number. Translate functio...

Yes, PairGears provides fully customized gear and shaft manufacturing services tailored to your exact specifications. Whether you need a single prototype or full-scale production, our engineering team can manufacture gears and shafts in virtually any size, material, and specification. From small precision gears under 50mm to large industrial shafts exceeding 900mm in...

Our gear products have the characteristics of high precision, high durability and high performance.All our products have ready-made molds and tools, which can be produced and delivered quickly.At the same time, we provide customized services and carry out personalized , design and manufacturing according to the specific needs of customers. ...

If you have the actual product, you can express it directly to us.

PairGears’ typical monthly production capacity is up to 1,000,000 gear and shaft pieces. Actual deliverable output depends on part mix, process route, bottleneck operations, and inspection scope, so we confirm capacity after reviewing your specs and schedule. What “production capa...

Yes. PairGears provides a 6-month limited warranty for parts manufactured by PairGears. During the warranty period, if a failure is caused by a manufacturing defect, we will arrange repair or replacement at no charge (subject to claim review). Limited warranties commonly cover defects in materials/workmanship and exclude misuse or improper hand...

To quote and manufacture custom gears/shafts accurately, please provide either a sample or a detailed drawing, plus the key specs: gear geometry (module/DP, teeth, pressure angle, helix), material & heat treatment, accuracy/inspection needs, and your quantity/lead-time target. If you’re unsure about any parameter, tell us the application and ma...

Yes, we can customize gears and shafts of various sizes, specifications, and materials according to your requirements. Whether you need small gears or large shafts, we can provide customized solutions to meet your specific needs. Additionally, we can offer customized package for our customers, include the color box...

For OEM repeat parts with existing tooling/fixtures, our typical production cycle is about 15 days. For custom gears requiring new tooling, samples usually take ~30 days, and mass production typically takes 15–30 days, depending on specifications and approval steps. What this lead...

For customized gears, the first sample lead time is typically 15–30 days. After sample confirmation, the lead time for bulk orders is usually within 30–45 days. Lead time is commonly understood as the time from order initiation/confirmation through production and shipment readiness (and it can vary by process route and release steps). ...