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Polycrystalline Diamond Wire Drawing Dies
Polycrystalline Diamond Wire Drawing Dies

1.It has the wear resistance, hardness and good thermal conductivity 2.long useful life ,used in high-speed drawing of alloy Product Description

All natural diamonds are strictly selected, grinded and polished by ourselves. The production of our wire-drawing dies is based on special technical processes, which result in slighter attrition of our high-quality wire-drawing dies. Also as outcome of these special technical processes, our tungsten carbide enameling dies are characterized to have surpassing leak-tightness. Furthermore, our extrusion tips and extrusion dies are famed for their extremely high concentricity and precision.

Reduction  Angles  &   Bearing  Length  of  Diamond  Drawing  Dies
Area  reductionLead/  Zinc/Argentine  /GoldAluminum  /  Nickel  /  CopperBrass  /  Bronze  /Stainless  steelHigh  carbon  steelHot  tungsten
5-8%14°10°10°
8-12%16°12°11°10°10°
12-16%18°14°13°12°12°
16-25%22°18°16°15°14°
25-35%24°22°18°18°16°
Bearing  length0.2  -  0.5d0.3  –   0.8d
 
Tolerance  &   Case  of  Diamond  Drawing  Dies 
DiameterToleranceRoundnessCase
inchmmmmmmmm
≤ 0.0008≤ 0.0200.00060.0003Φ 25× 6
0.0008  –   0.00190.020  –   0.0500.00060.0003Φ 25× 8
0.0020  –   0.00390.051  –   0.1000.0010.0005Φ 25× 8
0.0040  –   0.00790.101  –   0.2000.0010.0005Φ 25× 8
0.0080  –   0.01990.201  –   0.5000.00150.0008Φ 25× 8
0.0200  –   0.03990.501  –   1.0000.0020.001Φ 25× 10
0.0400  –   0.05901.001  –   1.5000.00250.0013Φ 25× 12
0.0591  –   0.08661.501  –   2.2000.0030.0015Φ 25× 14
0.0867  –   0.12992.201  –   3.3000.0040.002Φ 28× 16Φ 30× 16
0.1300  –   0.18103.302  –   4.6000.0050.0025Φ 28× 18Φ 30× 18
0.1811  –   0.21644.601  –   5.5000.0060.003Φ 43× 26
0.2165  –   0.31505.501  –   8.0000.0080.004Φ 43× 30

Polycrystalline Diamond Wire Drawing Dies

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