Originally posted on 2019年10月28日 @ 上午10:17
序号 | 名称 | 代号 | 中心距/mm | ||||||||||||
80~160 | >160~315 | >315~630 | >630~1 250 | ||||||||||||
精 度 等 级 | |||||||||||||||
6 | 7 | 8 | 6 | 7 | 8 | 6 | 7 | 8 | 6 | 7 | 8 | ||||
1 | 蜗杆螺旋线公差 | fhL | 34 | 51 | 68 | 51 | 68 | 85 | 68 | 102 | 119 | 127 | 153 | 187 | |
2 | 蜗杆一转螺旋线公差 | fh | 15 | 22 | 30 | 21 | 30 | 37 | 30 | 45 | 53 | 45 | 60 | 68 | |
3 | 蜗杆分度误差 | z2/z1≠整数 | fz1 | 20 | 30 | 40 | 28 | 40 | 50 | 40 | 60 | 70 | 60 | 80 | 90 |
z2/z1=整数 | 25 | 37 | 50 | 35 | 50 | 62 | 50 | 75 | 87 | 75 | 100 | 112 | |||
4 | 蜗杆圆周齿距极限偏差 | fpx | ±10 | ±15 | ±20 | ±14 | ±20 | ±25 | ±20 | ±30 | ±35 | ±30 | ±40 | ±45 | |
5 | 蜗杆圆周齿距累积公差 | fpxL | 20 | 30 | 40 | 30 | 40 | 50 | 40 | 60 | 70 | 75 | 90 | 110 | |
6 | 蜗杆齿形公差 | ff1 | 14 | 22 | 32 | 19 | 28 | 40 | 25 | 36 | 53 | 36 | 53 | 75 | |
7 | 蜗杆径向跳动公差 | fr | 10 | 15 | 25 | 15 | 20 | 30 | 20 | 25 | 35 | 25 | 35 | 50 | |
8 | 蜗杆法向弦齿厚上偏差 | Ess1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
9 | 蜗杆法向弦齿厚下偏差 | 双向回转 | Esi1 | 35 | 50 | 75 | 60 | 100 | 150 | 90 | 140 | 200 | 140 | 200 | 250 |
单向回转 | 70 | 100 | 150 | 120 | 200 | 300 | 180 | 200 | 400 | 280 | 350 | 450 | |||
10 | 蜗轮齿距累积公差 | Fp | 67 | 90 | 125 | 90 | 135 | 202 | 135 | 180 | 247 | 180 | 270 | 360 | |
11 | 蜗轮齿圈径向跳动公差 | Fr | 40 | 56 | 71 | 50 | 71 | 90 | 63 | 90 | 112 | 80 | 112 | 140 | |
12 | 蜗轮齿距极限偏差 | ±fpt | 15 | 20 | 25 | 20 | 30 | 45 | 30 | 40 | 55 | 40 | 60 | 80 | |
13 | 蜗轮齿形公差 | ff2 | 14 | 22 | 32 | 19 | 28 | 40 | 25 | 36 | 53 | 36 | 53 | 75 | |
14 | 蜗轮法向弦齿厚上偏差 | Ess2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
15 | 蜗轮法向弦齿厚下偏差 | Esi2 | 75 | 100 | 150 | 100 | 150 | 200 | 150 | 200 | 280 | 220 | 300 | 400 |