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Steel Ball
　 球直径变动量 球形偏差 球表面粗糙度 球直径变动量 基本直径公差 　 　
Grade ball diameter variation deviation from spherical from surface soughness lot diameter variation nominal ball deviation tolerance 　 　
　 Vdws △Sph Ra Vdwl Tdn 　 　
　 不超过not over 　 　
　 μm 　 　
10 0.25 0.25 0.025 0.5 * 　 　
16 0.4 0.4 0.032 0.8 * 　 　
20 0.5 0.5 0.05 1 * 　 　
28 0.7 0.7 0.05 1.5 * 　 　
40 1 1 0.08 2 * 　 　
60 1.5 1.5 0.1 3 * 　 　
100 2.5 2.5 0.125 5 ±12.5 　 　
200 5 5 0.5 10 ±25 　 　
500 13 13 * 25 ±50 　 　
1000 25 25 * 50 ±125 　 　
　
批直径变动量及常用规值，分规值 Lot Diameler Variation and Normal Gauge,Subgauge
等级 批直径变动量 规值间距 常用规值　 分规值间距 分规值 　 　
Grade lot diameter variation guages interval preferred guages subguage interval subguages 　 　
　 　 　 　
10 0.5 1 -9,...-1,0,+1,...+9 0.2 -0.4,0.2,0+0.2,+0.4 　 　
16 0.8 2 -10,...,-2,0,+2,...+10 0.4 -0.8,0.4,1,+0.4,+0.8 　 　
20 1 2 -10,...,-2,0,+2,...+10 0.4 -0.8,0.4,0,+0.4,+0.8 　 　
28 1.4 2 -12,...,-2,0,+2,...+12 0.4 -0.8,0.4,0,+0.4,+0.8 　 　
40 2 4 -16,...,-4,0,+4,...+16 0.8 -1.6,-0.8,0,+0.8,+1.6 　 　
60 3 5 -20,...,-5,0,+5,...,+20 1 -2,-1,0,+1,+2 　 　
　
钢球振动技术条件Technical Conditions of Vibration
精度等级 G20 G16 G10G5G3
振动组别 　 　 　
钢球直径 Z1 Z2 Z3
超过 过 平均值 单个值 平均值 单个值 平均值 单个值
over to average Max average Max average Max
4.5 6.5 39.5 41.5 37.5 39.5 35.5 37.5
6.5 7.5 40 42 38 40 36 38
7.5 10 40.5 42.5 38.5 40.5 36.5 38.5
10 11 42 44 40.5 42.5 36.5 40.5
11 12 42.5 44.5 41 43 39 41
12 13 43 45 41.5 43.5 39.5 41.5
13 14 43.5 45.5 42 44 40 42
14 15 44 46 42.5 44.5 40.5 42.5
15 16 44.5 46.5 43.5 44.5 40.5 42.5
16 17 45 47 43 45 41 43
17 17.5 45.5 47.5 43 45 41 43
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