Thread-cutting machine

Details Thread-cutting machine Thread-cutting machine

1977-10-05

1979-07-10

Vlachos, Leonidas

Turning

Process of turning

B23B 2100, B23G 308

Patent

active

041603958

ABSTRACT:
A thread-cutting machine, of the type which includes a longitudinal carriage whose reciprocal movements are obtained from a first cam, called pitch cam, a transverse carriage carrying a tool and whose reciprocal movements are obtained from a second cam, called forward and backward movement cam, and means for ensuring the progression of the tool towards the work piece during successive threading cuts is characterized in that the tool progression means are formed by a numerical control motor capable of ensuring the transverse movement of the forward and backward movement cam and a third cam is operatively connected between the pitch cam and forward and backward movement cam for synchronizing the reciprocal movement of the forward and backward movement cam with the pitch cam.

REFERENCES:
patent: 3420126 (1969-01-01), Renoux
patent: 3472104 (1969-10-01), Berly
patent: 4036086 (1977-07-01), Thumm et al.

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