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Diamond Dies
Diamond die is a wire drawing tool applied in the production of soft wire products such as copper and aluminum wires, and hard wire products such as stainless steel, tungsten and copper plated steel wires. The main production principle of wire drawing is that the wire is drawn from the big aperture through a small aperture by the hole of the diamond die and utilizes the wire's extensibility, reducing gradually the circumference. The surface of the wire is also raised to its slick level during the production process(As shown below)

The basge organization of diamond dies

  Diamond types
Natural diamond
Artificial single crystal diamond
Polycrystalline diamond

Stainless steel / Titanium alloy
(Specially used for Tin-coated copper dies)

Hardened mount
Sintered alloy of special powder

The angle design explanation of diamond dies

Materials application chart

Cross section of a diamond die for fine wire

To preserve the life of your diamond dies:
1、Avoid shocks to the die when installing. During operation reduce vibrations in the wire and on the drawing machine .
2、Pay attention to the quality of drawing wire( no impurity, no oxidation etc.)                                                                                                                                                            3、Control the use of lubricants. Follow lubricant manufacturer's recommendations for PH, temperature, conductivity and density.                                                                                4、Management of Diamond dies: Based on the die drawing wire output and quality of wire, make the corresponding dies maintenance and recutting standard. 

Please include the following information when ordering
Die types
Die hole diameter
Case size
Drawing material and drawing conditions (wet or dry drawing)                                                                                                                                                                                  Provide the die mould table or the elongation percentage of equipment                                                                           

Standard tolerances. And case sizes will be supplied unless otherwise specified.

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