| The Cutting Edge |
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| Editorial by Steve Harris, The MVP of EDM Graphite and EDM Accessories. [more] |
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The Cutting Edge
"EC" Surface Finish
Surface Finish is a key consideration for all EDM applications. Although there are several parameters that
affect the surface finish, clearly, your choice in graphite plays a critical role. The "EC" range of graphites
provides a cost-effective solution to meet your surface finish requirements. The chart below indicates the
surface finish required and our graphite recommendation:
| Graphite |
Surface Finishes of |
|
| EC-4 |
6.3 µm |
250 µinch |
36 vdi |
| EC-12 |
3.2 µm |
125 µinch |
30 vdi |
| EC-14 |
2.2 µm |
88 µinch |
27 vdi |
| EC-15 |
1.6 µm |
63 µinch |
24 vdi |
| EC-16 |
1 µm |
40 µinch |
20 vdi |
| EC-17 |
0.63 µm |
25.2 µinch |
16 vdi |
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