ISO 3290 INTERNATION STANDARD
| 3 |
0.08 |
0.08 |
0.16 |
0.010 |
| 5 |
0.13 |
0.13 |
0.25 |
0.014 |
| 10 |
0.25 |
0.25 |
0.50 |
0.020 |
| 20 |
0.5 |
0.5 |
1.0 |
0.032 |
| 40 |
1.0 |
1.0 |
2.0 |
0.06 |
| 60 |
1.5 |
1.5 |
3.0 |
0.08 |
| 80 |
2.0 |
2.0 |
4.0 |
0.1 |
| 100 |
2.5 |
2.5 |
5.0 |
0.1 |
| 200 |
5.0 |
5.0 |
10 |
0.15 |
| Unit:micronmeter(μm) |
VDL:Lot diameter variation |
VDS:Ball diameter variation |
| Ra:Unit of surface roughness(μm) |
W:Deviation from spherical form(Roundness) |
Refernce:ISO 3290-2008 |