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| Tolerance ＆ Surface Roughness |
| |
Tolerance (mm) |
Surface roughness (µm) |
| Process name |
min |
max |
min |
max |
| Electro- discharge wire cutting |
0.01 |
0.125 |
0.1 |
30 |
| Band sawing |
0.8 |
3 |
0.8 |
45 |
| Circular sawing |
0.2 |
3 |
0.8 |
45 |
| Cropping/guillotining |
0.2 |
2 |
0,1 |
12.5 |
| Sheet metal |
0.01 |
1 |
0,1 |
12.5 |
| Sheet metal (non-tooled) |
0.01 |
1 |
0,1 |
12.5 |
| Water jet cutting |
0.1 |
0.25 |
3.2 |
27 |
| Oxyfuel gas cutting |
0.8 |
2 |
6.3 |
71 |
| Plasma arc cutting |
0.5 |
2.54 |
12 |
128 |
| Chemical machining |
0.004 |
0.3 |
0.8 |
12.5 |
| Chemical polishing |
|
|
0.0001 |
1.3 |
| Electro-Chemical Machining |
0.013 |
0.5 |
0.2 |
12.5 |
| Electro-Discharge Machining |
0.05 |
0.1 |
0.1 |
30 |
| Electron beam machining |
0.005 |
0.05 |
0.2 |
6.3 |
| Electropolishing |
|
|
0.012 |
1.3 |
| Abrasive jet machining |
0.05 |
0.125 |
0.1 |
1.6 |
| Abrasive grinding / polishing |
0.0006 |
0.1 |
0.025 |
6.3 |
| Broaching |
0.0015 |
0.02 |
0.4 |
6.3 |
| Drilling |
0.02 |
0.5 |
0.4 |
12.5 |
| Honing |
0.00055 |
0.04 |
0.025 |
1.6 |
| Lapping |
0.00055 |
0.04 |
0.012 |
0.8 |
| Milling (CNC) |
0.01 |
1 |
0.2 |
25 |
| Milling (manual) |
0.01 |
1 |
0.2 |
25 |
| Planing/shaping |
0.02 |
1 |
0.4 |
25 |
| Reaming |
0.002 |
0.07 |
0.4 |
6.3 |
| Turning/boring (CNC) |
0.003 |
0.2 |
0.05 |
25 |
| Turning/boring (manual) |
0.003 |
0.2 |
0.05 |
25 |
| Ultrasonic machining |
0.005 |
0.05 |
0.2 |
1.6 |
| Laser beam machining |
0.013 |
0.13 |
0.2 |
6.3 |
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