工序 | 工序 | 工序内容 | 设备 | |
砂轮 | 机床 | |||
1 | 除应力,研磨中心孔,要求达到Ra0.63um,接触面积>70% | |||
2 | 粗磨各阶外圆,留余量0.08~0.10mm | PA46K | M131 | |
1 | 磨Φ45至尺寸 | |||
2 | 磨Φ60h7,磨出台阶面 | |||
3 | 磨至Φ62,磨出台阶面 | |||
4 | 磨Φ58h6 | |||
3 | 粗磨1:5锥度,留余量0.08~0.10mm | M1432A | ||
4 | 半精磨各外圆,留余量0.05mm | Pa60k | M1432A | |
5 | 氮化,探伤,研磨中心孔,要求达到Ra0.2um,接触面积> 75% | |||
6 | 精磨外圆Φ60h7(j肩面)Φ58h6 Φ62留余量0.025~0.04 | PA100L | M1432A | |
7 | 研磨中心孔,ra0.1um 接触面积>90% | |||
8 | 精密磨1:5锥度至尺寸 | WA100L | MB1420 | |
9 | 精密磨Φ62至Φ62肩面 | WA100K | MB1420 | |
10 | 超精密磨Φ62至尺寸,表面粗糙度r0.025 | WA240L | MB1420A | |
