TC Tungsten Carbide Nib Wire Drawing Dies

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BRIEF INTRODUCTION

BENEFITS

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KEY FEATURES

Standard

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BRIEF INTRODUCTION

TC Tungsten Carbide Nib Wire Drawing Dies

Tungsten carbide drawing dies made to your quality requirements allow you to meeting quality, uptime and speed standards. MN tungsten carbide drawing dies (TC dies) give the wire manufacturer the ability to maintain uniform wire roundness, minimizing material usage and scrap. Tungsten carbide dies are an excellent option for manufacturing ferrous rod-size wires. They are also ideal for short trial runs. MN TC drawing dies are manufactured with a mirror polish and a smooth wire entry to ensure optimal die life and string-up. MN offers a complete line of TC drawing dies for rod-size wire down to medium-size wire.

BENEFITS

TC Tungsten Carbide Nib Wire Drawing Dies

Ideal for ferrous rod-size wire

Ideal for short and trial runs

Carbide grade tailored to wire material when required

Special coatings available to reduce friction and/or increase durability

Cast & helix control available

Inventory programs available

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Drawing Die Options

Several drawing die materials may be available depending on drawing needs. The table below provides an overview of materials available. Relative durability and price will help determining which one will be ideal for your particular application. Please discuss your drawing needs with an MN Manufactory expert to make sure you use the best and most cost-effective wire drawing die.

Nib material	TC	PCD	SSCD	ND
Size range availability (1)
Min.	0.127 mm	0.040 mm	0.007 mm	0.007 mm
Max.	n/a	35.0 mm	2.150 mm	2.0 mm
Approx. relative durability (2)
Non-ferrous	1x	50 – 500x	17 – 33x	17 – 33x
Ferrous	1x	8 – 70x	4 – 9x	4 – 9x
Approx. relative price (3)
0.460 mm	1x	3 – 8x	3x	5x
1.001 mm	1x	7 – 8x	15x	15x
10 mm	1x	20 – 26x	–	–
Physical properties (4)
Elastic modulus	450 – 650	850 – 1150	1120	700 – 1220
Thermal conductivity	100	500 – 600	800 – 2000	300 – 1000

1.The size range is for indication only. The maximum and minimum size depends on the required drawing die profile. MN Manufactory’s Drawing Die Wizard software can be used to check if a certain blank can be used, or ask MN Manufactory for guidance.
2.Relative durability is a comparison to tungsten carbide dies. The durability is for indication only and can differ depending on the drawn wire type, wire condition, lubricant used, and wire drawing conditions.
3.Relative price is a comparison to tungsten carbide dies. The relative price is for indication only and can differ depending on the tolerance, die geometry, casing size and any other requirements.
4.Elastic modulus is measured in GPa, and thermal conductivity in W/mK. More information on elastic modulus and thermal conductivity can be found on Wikipedia.

JIS types	Nib OD d2	Nib height h2	Case OD d3	Case height h3	Reduction angle 2a	Grade Cobalt	Minimum hole size d1	Recommended Max hole size d1
W101	6	4	24	7	12°or16°	6% or 8%	0.1	0.6
W102	9	6	24	12	12°or16°	6% or 8%	0.2	1
W103	12	8	30	15	12°or16°	8% or 12%	0.5	1.6
W104	15	10	42	20	12°or16°	8% or 12%	1	2.6
W105	20	14	55	24	16°	8% or 12%	2	5.5
W106	25	18	60	28	16°	8% or 12%	5	10
W107	30	22	70	35	16°	8% or 12%	6	13
W108	35	25	85	40	16°	8% or 12%	8	14
W109	40	27	100	45	16°	8% or 12%	12	16
W110	50	30	125	50	16°	8% or 12%	16	26
W111	60	35	145	60	16°	8% or 12%	22	38
W112	70	40	175	70	22°	12% or 15%	31	46
W113	80	45	195	80	22°	12% or 15%	38	54
W114	90	50	215	90	22°	12% or 15%	47	63
W115	100	50	230	90	30°	12% or 15%	56	76
W116	110	50	230	90	30°	12% or 15%	68	90
W117	120	55	250	100	30°	12% or 15%	75	102
W118	130	55	275	100	30°	12% or 15%	82	110
W119	140	60	295	110	30°	12% or 15%	88	116
W120	150	60	315	110	30°	12% or 15%	90	122

▲Standard W series round core TC nibs specification(mm)

Coating name	Coefficient of friction[-]	Micro-Hardness[Vickers]
C5 coating	0.30	2800-3200
H coating	0.35	2400-3200
HS coating	0.15	3200-3400
No coating	0.35-0.60	2400

▲Tungsten Carbide die coating options

TC Tungsten Carbide Nib Wire Drawing Dies

KEY FEATURES

TC Tungsten Carbide Nib Wire Drawing Dies

Usable for dry and wet draw

Custom case sizes available

Various carbide grades available

Low cost dies

Starting from .004” (0.1 mm)

Standard

Wire Drawing Die

Item	Soft wire product	Hard wire product
Bell angle (α)	70°±20°	60°±20°
Approach angle (β)	35°±5°	30°±5°
Reduction angle (γ)	18°±2°	12°±2°
Bearing length (D)	20-50	40-60
Back relief angle(θ)	20-50	15°±5°
Exit angle (φ)	50°±20°	50°±20°

Standard configuration for other wire types also available

Tungsten carbide can be chosen as a raw material for the following products

· Wire drawing dies

· Bunching/Stranding dies

· Split dies

· Shaped wire drawing dies

· Extrusion tools

· Compacting dies

TC dies are frequently used for drawing

Steel wire

Stainless steel wire

Copper wire

Aluminum wire

Tungsten wire

Various other ferrous and non-ferrous metal wire types

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