Information required when ordering gear hobs
2021-08-27 11:19:57
jiangxingTools
217
Information required when ordering gear hobs
GEAR DATA
? Normal module/OP
? No. of teeth
? Normal pressure angle
? Helix angle and hand
? Outside diameter
? Root diameter
? Amount of tip chamfer- lf applicable
? Root-fiat/full fillet
? Tip relief details- lf applicable
? DOP or MOT sizes at hobbing and finishing stage
? Material and hardness at hobbing stage
HOB DATA
? Overall size - OD x Length x Bore
? No. of starts
? Hand ofthreads
? Type - Finishing/preshave/pregrinding/roughing
? Type of profile - Nontopping/semitopping/full topping
? Class of accuracy
? Amount of shaving/grinding allowance wherever applicable
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