Lubricant packed wire drawing dies

Details Lubricant packed wire drawing dies Lubricant packed wire drawing dies

1975-06-25

1977-04-12

Lanham, C.W.

Metal deforming

With cleaning, descaling, or lubrication of work or product

Lubricating

72467, B21C 302, B21C 900

Patent

active

040167364

ABSTRACT:
Wire drawing dies having improved life, relatively lower drawing force requirements and producing smooth surface on wires drawn therethrough comprise compacts of polycrystalline diamond, polycrystalline cubic boron nitride and mixtures thereof, which include a centrally-located double tapered hole having micro-rough walls, the micro-rough walls being densely packed with a lubricant for wire drawing.

REFERENCES:
patent: 3641795 (1972-02-01), Lester et al.
patent: 3705509 (1972-12-01), Haller
patent: 3831428 (1974-08-01), Wentorf et al.

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