Weld checking apparatus for laser welding machine

Details Weld checking apparatus for laser welding machine Weld checking apparatus for laser welding machine

2005-03-01

2005-03-01

Evans, Geoffrey S. (Department: 1725)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

06861611

ABSTRACT:
A weld checking apparatus for a laser welding machine having a welding head triggering laser beam to a welding object includes an auxiliary flash intercepting plate removably mounted on a flexible arm installed on the welding head to intercept a flash generated during a laser welding process, a weld-checking/eye-protecting glass assembly disposed on a center portion of the auxiliary flash intercepting plate to display a weld portion in an enlarged scale during the welding process while intercepting the flash by being opened and closed in synchronization with a laser beam trigger speed of the welding head, and an open/close control part for generating a trigger pulse and an open/close pulse synchronized with the trigger pulse and for providing the open/close pulse to the weld-checking/eye-protecting glass through the electric cable50to open and close the weld-checking/eye-protecting glass assembly.

REFERENCES:
patent: 3383491 (1968-05-01), Muncheryan
patent: 3775586 (1973-11-01), Flint et al.
patent: 60-152386 (1985-08-01), None
patent: 63-280209 (1988-11-01), None

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