Thread cutting tool

Details Thread cutting tool Thread cutting tool

1983-08-24

1985-03-05

Combs, E. Michael

Cutting by use of rotating axially moving tool

Means to drive tool

10 89P, B23G 124, B23G 500

Patent

active

045028214

ABSTRACT:
A thread cutting tool having an electric motor which is accommodated in a housing and, by means of at least one worm gearing, drives a holder ring which is rotatably mounted in a head ring. The electric motor has a speed of greater than 25,000 rpm. The worm-gear toothing of the holder ring has a modulus of less than approximately 1.6 mm. Due to the high speed, the electric motor can be very small, so that the thread cutting tool can be easily handled, and can have a low weight. Due to the low modulus, the high speed of the electric motor can be reduced to the operating speed of the holder ring without it being necessary that the worm gear have a large diameter.

REFERENCES:
patent: 1789411 (1931-01-01), Oster et al.
patent: 2195568 (1940-04-01), Hexdall
patent: 2205148 (1940-06-01), Mayotte
patent: 2678453 (1954-05-01), Rudolph
patent: 3316571 (1967-05-01), Cutrone
patent: 3521313 (1970-07-01), Baker

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