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How To Choose Drawing Dies
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
Wire Material Size(m m) Area Reducti on(%) Relief Angle (°) Reduction Angle(°) Bearing Length( %) Reduction Angle(°) Bearing Length( %) Drawing Speed(m/ min) TC ND(m ulriple ) PCD( mulripl e) Application
ND ND PCD PCD
Nonferrous
Copper 0.05-1.60 18-21 15 16-20 30-50 16-20 15-35 600-3300 1 40-100 200-500 Electrical wire,Magnet wire
Copper 1.60-7.60 20-35 15 16-25 15-35 600-2500 1 200-500 Cable
Aluminum 0.20-1.60 15-22 15 18-22 15-35 18-22 15-35 600-2000 1 30-80 100-200 Cable,Magnet wire
Aluminum 1.60-7.60 18-30 15 16-25 15-35 600-1500 1 100-200 Cable
Aluminium Magnesium Alloy 2.00-5.00 18-22 15 16-20 20-40 350-650 1 100-200 TC cable,Braided wire
Tin-Plated Copper(electroplated) 0.20-1.60 15-26 20 18-22 10-30 18-22 20-40 300-1000 1 10-40 100-200 Electron ray tube,Light
Nickel 200 0.30-1.60 20-30 5 16-20 30-50 16-20 20-40 200-500 1 50-80 100-200 Electronic instrument,Welding wire
Tungsten 0.10-1.00 18-22 5 12-16 40-60 12-16 20-40 30-80 1 50-80 100-200 Light,Instruments
Molybdenum 0.10-1.00 18-22 5 10-16 40-60 12-16 20-40 30-80 1 10-30 50-80 Cut wire
Ferrous
Galvanized High Carbon Steel 0.20-1.50 15-20 5 10-14 40-60 10-14 25-45 400-800 1 5-25 30-50 Screen,Spring, Rope
Brass-Plated High Carbon Steel 0.15-0.50 18-21 5 10-16 40-60 10-16 25-45 600-1000 1 5-20 10-30 Tire Cords
Stainless Steel 316 0.15-1.60 18-21 5 10-14 40-60 10-14 25-45 200-600 1 4-8 10-20 Mesh,Welding wire
Stainless Steel 302 0.15-1.60 18-21 5 10-14 40-60 10-14 25-45 200-600 1 2-4 8-15 Spring,Welding wire
Ni-Cr-Fe Alloy 60:15:25 0.20-1.20 18-26 5 10-14 40-60 10-14 25-45 200-600 1 5-20 30-50 High temperature electric furnaces
Low Carbon Steel 0.20-1.60 18-21 5 8-14 40-60 8-14 25-45 400-800 1 5-20 30-70 Building wire,Welding wire,Rope
Hard Wire Product
Stainless steel wire, copper plated steel wire, galvanized steel wire, brass plated steel wire tungsten wire ,. etc
Soft Wire Product
Copper wire, aluminum wire, brass wire gold wire ,. etc