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Fine Semi-Finished PCD Drawing Dies, Polycrystalline Diamond Dies, Wire Drawing Dies
1. Description:
Provide moulds with different processing degrees according to customer requirements.
Fine Semi-Finished PCD Drawing Dies: casing + drilling hole+ refurbishing+ polishing
2. Specifications:
| Size(inch) | Size(mm) | Tolerance(mm) | Roundness(mm) |
| ≤0.0039 | ≤0.100 | 0.001 | 0.0005 |
| 0.00398~0.0079 | 0.101~0.200 | 0.001 | 0.0005 |
| 0.00791~0.0197 | 0.201~0.500 | 0.002 | 0.001 |
| 0.01972~0.0394 | 0.501~1.000 | 0.003 | 0.0015 |
| 0.03941~0.0590 | 1.001~1.500 | 0.005 | 0.0025 |
| 0.0591~0.07870 | 1.501~2.000 | 0.007 | 0.0035 |
| ≥0.0788 | ≥2.001 | 0.01 | 0.005 |
3. Inner Geometry:
Inner geometry of diamond dies combined with "Entrance,
approaching, reduction, bearing length and exit part".
a. Entrance: For wire entering,prevent the dies from wire hurting.
b. Approaching: Make the wire to be accessible for lubricant.
c. Reduction : The wire begins to transform from original diameter
to smaller diameter.
d. Bearing: The wire achieves to the final diameter.
e. Back Relief: Prevent the final wire surface from scratching.
f. Exit: Wire exiting.
4. Advantage:
