FIELD: process engineering.
SUBSTANCE: proposed device is intended for hobbing in template machining and comprises body with rectangular slots to receive combined profile teeth fitted therein pairs on heating and composed of equal-profile roughing and finishing plates with profile edges on equal diameters. Roughing plate profile cutting edge serves to remove main allowance while finishing plate cutting edge finishes the surface after roughing plate. Note here that hob is furnished with covers screwed to body faces to hold cutting plates. The latter may be made from hard alloy or high-speed steel.
EFFECT: expanded machining performances.
2 cl, 7 dwg
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