COMPOSITE THREADING DIE Russian patent published in 1995 - IPC

Abstract RU 2043883 C1

FIELD: tool making industry, in particular, tools for cutting outer thread. SUBSTANCE: composite threading die has body with radial slots 5 for receiving threading combs 1-4 which have threading profile recesses positioned at right side with spacing of P_p=P_к+ΔP,, and at left side with spacing of P_l=P_к-ΔP,, where ΔP is calibrating part space variation value. Threading combs have corrugated angle of groove profile on chip-receiving part less than that of calibrating part. EFFECT: increased efficiency and enhanced reliability in operation. 3 dwg

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RU 2 043 883 C1

Authors

Topazh Kh.I.

Spetsakov S.S.

Dates

1995-09-20—Published

1992-06-15—Filed