圆柱滚子轴承滚道窄油沟内小径油孔的电火花加工技术  

Electrical Discharge Machining Technology for Small Diameter Oil Holes in Narrow Oil Groove of Cylindrical Roller Bearing Raceway

作　　者：刘海波 古毅 LIU Haibo;GU Yi(AECC Harbin Bearing Co.,Ltd.,Harbin 150025,China;Harbin Dongan Auto Engine Co.,Ltd.,Harbin 150050,China)

机构地区：[1]中国航发哈尔滨轴承有限公司,哈尔滨150025 [2]哈尔滨东安汽车动力股份有限公司,哈尔滨150050

出　　处：《轴承》2023年第9期47-49,共3页Bearing

摘　　要：圆柱滚子轴承套圈滚道窄油沟内有一阶梯状油孔,其靠近内径面一侧孔径大、靠近外径面一侧孔径小,难以进行钻削加工,为此提出了一种电火花加工油孔的方法。对电火花加工的技术难点、技术方案、操作要点进行了详细介绍,实际加工表明油孔加工精度及其重熔层深度满足技术要求,证明了该工艺的可行性。There are stepped oil holes in narrow oil groove of cylindrical roller bearing ring raceway,which has a large diameter on side near inner diameter surface and a small diameter on side near outer diameter surface,drlling the holes being difficult to realize.Electrical discharge machining the holes is proposed.The technical difficulties,technical schemes and operating points of electrical discharge machining are introduced in detail.The actual machining shows that the machining accuracy of oil holes and the depth of remeltedlayer meet the technical requirements,proving the feasibility of the process.

关 键 词：滚动轴承 圆柱滚子轴承 油沟 油孔 电火花穿孔 钻削 

分 类 号：TH133.332[机械工程—机械制造及自动化] V261.61[航空宇航科学与技术—航空宇航制造工程]