Balance hardness and toughness
A hard tooth surface can resist wear, while a tougher core supports impact and bending load. The correct balance depends on material, section size, heat-treatment route and duty.
Common routes
Case hardening, through hardening, induction hardening and nitriding each offer different combinations of hardness, distortion, case depth and finishing requirements. The route must be stated on the approved drawing or technical offer.
Plan finishing before heat treatment
Heat treatment can alter dimensions and tooth form. Machining allowances, datum control and any lapping or grinding must be planned as part of one process route.
Frequently asked questions
Can materials & heat treatment guide be developed from an existing sample?
A sample can support dimensional study, but the most reliable route also includes the mating member, shaft angle, mounting information, speed, torque, material or hardness information and failure history.
What information is required for quotation?
Provide a dimensioned drawing or sample, quantity, module or diametral pitch, tooth counts, pressure angle, spiral hand where applicable, ratio, material, heat treatment, accuracy requirement and expected duty.
Can one member be replaced without the mating gear or pinion?
It may be possible after inspection, but a matched-pair approach is normally preferred because tooth contact, backlash and mounting are interdependent.
How is delivery time determined?
Delivery depends on geometry, quantity, material availability, tooling, heat treatment, finishing, inspection scope and technical approval.