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廣州市川廣通用設備有限公司
廣州市川廣通用設備有限公司 以誠信為根本、以質量求生存、以服務謀發展!
圖片展示

車床加工設備

圖8-69a為滾齒加工的工作原理。滾齒時切削齒坯的刀具為滾刀,由于滾刀的螺旋升角較大,所以外形象一個蝸桿,滾刀在垂直于螺旋槽方向開槽,形成若干切削刃,其法向剖面具有齒條形狀。因此當滾刀連續旋轉時,刀齒可視為一個無限長的齒條的移動,如圖8-69b。同時刀齒由上而下的進行切削,保持齒條(滾刀)和齒坯之間的嚙合關系,滾刀就可在齒坯上加工出漸開線齒形,圖8-69c。

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