Turning – Lathe – Carriage feed
Patent
1992-11-02
1993-10-12
Terrell, William E.
Turning
Lathe
Carriage feed
82154, 82158, 36447417, 36447419, B23B 2100, B23B 2904, B23Q 15007, B23Q 558
Patent
active
052515222
ABSTRACT:
An apparatus preventing a lathe tool from being damaged is composed of a lathe tool support provided thereon with a front chucking stand and a rear chucking stand, which are used to hold the lathe tool. The front chucking stand has an opening which receives the lathe tool and divides the front chucking stand into a first chucking block and a second chucking block. The first chucking block has a pivot shaft pivoted to the lathe tool support while the second chucking block has a thin strain gage attached to a surface thereof. The rear chucking stand has a front end with a through hole for receiving the rear end of the lathe tool and has a rear end having an actuating board welded thereto. The lathe tool support is provided with at least an electromagnet and a spring for pulling the actuating board. When the lathe tool is overloaded, the strain gage deforms to send out a signal to interrupt the power supply to the electromagnet so that the cutting edge of the lathe tool does an accelerated motion in an arcuate manner to move away from the work piece being lathed.
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