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Polycrystalline Mold PCD Diamond Wire Drawing Dies

PCD Die, also known as Polycrystalline Diamond Die, is widely used for wire drawing because of its strength and sustainability. We manufacture PCD dies of size range 0.100mm to 14.00mm. The type of PCD blank to be used depends on the material to be drawn and the process. These blanks come in two varieties, self-supported and Tungsten carbide supported. They come in grains size of 3, 5, 10, 25, and 50 microns. The profile of the die plays a crucial role in the wire drawing process. Given below are the specifications of the profile of the die depending on the material to be drawn.

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Product Description

PCD DRAWING DIES

Parameter:

Wire	Entrance Angle	Approach Angle	Reduction Angle	Bearing length	Back Relief Angle	Exit Angle
Copper Wire	70°± 10°	35°± 5°	16°-18°	30% ± 10	10°± 5°	70°± 10°
Aluminium Wire	70°± 10°	35°± 5°	18°-20°	25% ± 10	10°± 5°	70°± 10°
Stainless Steel	60°± 10°	30°± 5°	12°-14°	40% ± 10	10°± 5°	60°± 10°
Brass Wire	60°± 10°	30°± 5°	12°-14°	30% ± 10	10°± 5°	60°± 10°
Solder Wire	70°± 10°	35°± 5°	16°-18°°	30% ± 10	110°± 5°	70°± 10°
GI Wire	60°± 10°	30°± 5°	12-14°	40% ± 10	10°± 5°	60°± 10°

These are standard profile that is maintained globally.

These can be customised as per customer’s requirement.

Types of PCD Blanks along with their specifications

Self-Supported PCD Blanks
PCD Blank No.	Blank Diameter	Blank Height	Maximum Recommended Size
D-6	3.10mm	1.00mm	0.400mm
D-12	3.10mm	1.50mm	0.800mm
5025	5.20mm	2.50mm	1.300mm
5035	5.20mm	3.50mm	2.000mm

Tungsten Carbide Supported PCD Blanks
PCD Blank No.	Blank Diameter	Blank Height	Diamond Diameter	Maximum Recommended Size
D-15	8.12mm	2.3mm	3.8mm	1.4mm
D-18	8.12mm	2.9mm	3.8mm	2.2mm
D-21	13.65mm	4mm	6.8mm	3.4mm
D-24	13.65mm	5.3mm	6.8mm	4.4mm
D-27	24.13mm	8.7mm	12.7mm	5.6mm
D-30	24.13mm	11.6mm	12.7mm	7.6mm
D-30	34.00mm	13.5mm	18.2mm	11mm
D-33	34.00mm	15.5mm	18.2mm	12mm

The Maximum recommended bore sizes mentioned above are for the non-ferrous wire. For Hard-ferrous wire, die size usually should not exceed 65% of the recommended diameter for the non-ferrous wire.

Non-ferrous metals include aluminium, copper, lead, zinc, tin, gold, and silver. Ferrous metals include carbon steel, stainless steel and alloy steel etc.

Standard Casing Sizes are

25mm x 10/12mm
28mm x 10/12mm
43mm x 28mm
53mm x 34mm

Polycrystalline Mold PCD Diamond Wire Drawing Dies Casing size can be customised as per customer’s requirement.

Diamond PCD ND Wire Drawing Dies

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Steel PCD Copper Wire Drawing Die

PCD DRAWING DIES

Technical Service

What is a Drawing Die

In metal pressure processing, the metal is forced through the die under the action of external force, the cross-sectional area of the metal is compressed. The tool that obtains the required cross-sectional area shape and size is called wire drawing die.

Wire drawing dies have a wide range of uses, such as high-precision wires used in electronic devices, radars, televisions, instruments and aerospace, as well as commonly used tungsten wires, molybdenum wires, stainless steel wires, wire and cable wires and various alloy wires are all drawn with diamond wire drawing dies. The diamond wire drawing die adopts natural diamond as raw material, so it has strong wear resistance and extremely long service life. The production process of wire drawing die inserts includes several process steps, such as pressing, drawing and turning.

The wire drawing die is a kind of mould that the metal wire pass through to reach the size that people need from thick to thin gradually. This special mold is the wire drawing die. The core of the wire drawing die is generally made of natural diamonds, artificial diamonds (man-made diamonds, such as GE, PCD, synthetic materials, etc.). Copper wire drawing dies are for drawing soft wires. There are dies also for drawing hard wires, like tungsten wire, etc. The angle of the dies for drawing tungsten wire is relatively small, generally 12- 14 degrees.

Wire drawing dies include diamond wire drawing dies, tungsten carbide wire drawing dies, plastic wire drawing dies, etc.