What is a cemented carbide cold heading die?

A cemented carbide cold heading die,also known as tungsten carbide cold heading die,is a precision forming tool made from sintered cemented carbide(tungsten carbide composite).It is specially designed for cold heading operations,a metal forging process that deforms metal wire or rod at room temperature to manufacture fasteners and small metal components.

Cemented carbide consists of hard tungsten carbide grains bound by cobalt binder.This material delivers outstanding compressive strength,excellent wear resistance and stable dimensional accuracy under repeated high impact loads.These properties make it far more durable than conventional tool steel dies in high-volume fastener production.

Cold heading dies are widely used to produce bolts,screws,nuts,rivets,pins and other automotive or electronic fasteners.Different carbide grades like YG8,YG11 and YG15 are selected based on workpiece material,impact force and production quantity.Fine-grained carbide grades suit high-precision small parts,while higher cobalt grades provide better toughness for heavy impact forming.

The whole set of cold heading tooling usually includes heading dies,piercing punches and trimming dies.Manufacturers can produce custom cemented carbide cold heading dies according to customer drawings and tolerance requirements.With proper lubrication and maintenance,cemented carbide cold heading dies greatly extend tool life,reduce downtime and keep consistent part quality during mass production.

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References

GB/T 7714

LIU Y,ZHAO M.Performance and application of cemented carbide cold heading dies for fastener manufacturing[J].International Journal of Refractory Metals and Hard Materials,2022,102:105689.

APA 7th

Liu,Y.,&Zhao,M.(2022).Performance and application of cemented carbide cold heading dies for fastener manufacturing.*International Journal of Refractory Metals and Hard Materials*,*102*,105689.

MLA 9th

Liu,Y.,and M.Zhao."Performance and Application of Cemented Carbide Cold Heading Dies for Fastener Manufacturing."*International Journal of Refractory Metals and Hard Materials*,vol.102,2022,105689.

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."