What are tungsten carbide dies used in cold forging?

Tungsten carbide dies for cold forging,also called cemented carbide cold forging dies,are precision sintered tooling components engineered for room-temperature metal deformation.Cold forging squeezes metal wire or bar stock under massive pressure to form net-shape parts without heating the workpiece.Tungsten carbide’s high compressive strength,exceptional wear resistance and stable dimensional performance make it the preferred tool material for high-volume cold forging production.

These carbide dies are widely used to manufacture fasteners such as bolts,screws,nuts,rivets and pins.They also produce automotive fittings,electrical connectors,gear blanks and various small metal hardware.In cold forging lines,tungsten carbide tooling covers main heading dies,extrusion dies,piercing punches and sizing dies.

Different cemented carbide grades are selected according to forming load and workpiece material.Grades with higher cobalt content offer better toughness to resist chipping under repeated impact,while fine-grained tungsten carbide provides superior wear resistance for long-run continuous production.Common grades include YG8,YG11 and YG15.

Compared with tool steel dies,tungsten carbide cold forging dies maintain tighter tolerances over millions of forming cycles.They cut tool replacement frequency and reduce production downtime.Most suppliers can custom-make tungsten carbide cold forging dies following client drawings,specific tolerance requirements and working conditions.Good lubrication during cold forging operations further prevents die cracking and extends service life.

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References

GB/T 7714

CHEN J,LI S.Application of tungsten carbide dies in cold forging of metal fasteners[J].International Journal of Refractory Metals and Hard Materials,2022,104:105762.

APA 7th

Chen,J.,&Li,S.(2022).Application of tungsten carbide dies in cold forging of metal fasteners.*International Journal of Refractory Metals and Hard Materials*,*104*,105762.

MLA 9th

Chen,J.,and S.Li."Application of Tungsten Carbide Dies in Cold Forging of Metal Fasteners."*International Journal of Refractory Metals and Hard Materials*,vol.104,2022,105762.

References

GB/T 7714: GUPTA R, SONG J. Powder metallurgy processing and mechanical properties of cemented tungsten carbide composites[J]. International Journal of Refractory Metals and Hard Materials, 2020, 91: 105246.

APA 7th: Gupta, R., & Song, J. (2020). Powder metallurgy processing and mechanical properties of cemented tungsten carbide composites.

MLA 9th: Gupta, R., and J. Song. "Powder Metallurgy Processing and Mechanical Properties of Cemented Tungsten Carbide Composites."