CARBIDE BUTTON DIES -GUIDE-

Button
die type
Material Outer
diameter
tolerance
Normal Scrap retention Non-clogging
Round Shaped Round Shaped Round
Carbide headed
V40(HIP) Dm5 WHD WHD□ SR-WHD SR-WHD□ SV-WHD
D A-WHD A-WHD□ SRA-WHD SRA-WHD□ SVA-WHD
Carbide straight
V40(HIP) Dn5 WSD WSD□ SR-WSD SR-WSD□ SV-WSD
D A-WSD A-WSD□ SRA-WSD SRA-WSD□ SVA-WSD
Carbide angular headed
V40(HIP) Dm5 WAHD WAHD□ SR-WAHD SR-WAHD□ SV-WAHD
D A-WAHD A-WAHD□ SRA-WAHD SRA-WAHD□ SVA-WAHD
Carbide angular straight
V40(HIP) Dn5 WASD WASD□ SR-WASD SR-WASD□ SV-WASD
D A-WASD A-WASD□ SRA-WASD SRA-WASD□ SVA-WASD

Scrap retention button dies(Products data Click here)

●Applicable range
1.Hole diameter:φ1.0~φ16
2.Workpiece material: Can be used for materials with tensile strengths up to 1177N/mm2(120Kgf/mm2)
3.Thickness of workpiece material: Minimum thickness 0.15mm
4. Scrap retention effects cannot be expected when the clearance(C) is larger than the workpiece material thickness(MT) by more than 20%.Therefore, keep the difference to 20% or less.
Clearance on one side(C)<Workpiece material thickness(MT)×20%
Because scrap retention button dies prevent scrap lifting by forming small projections on punching scrap, they are not suitable in cases such as punching of precision holes, or when the punched-out item becomes the product.

Non-clogging button dies(Products dataClick here)

Indication of button die relief angles


indicates a taper in which the diameter increases by 1 mm over 50 mm of length.
Taper 1/50 1/100 1/150
Angle(A°) 1.146° 0.573° 0.382°

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