System for adjusting the back gauge of a flat stock material wor

Details System for adjusting the back gauge of a flat stock material wor System for adjusting the back gauge of a flat stock material wor

1991-10-15

1995-09-12

Trammell, James

Boots, shoes, and leggings

36416701, 414 19, 318569, 318630, G06F 1546, G05B 1918, G05B 1101

Patent

active

054503272

ABSTRACT:
The present invention features a manually operated apparatus for working flat stock. The system has a mechanism for automatically positioning a mechanically adjustable back gauge to a predetermined position. The automatic positioning is accomplished by means of a programmable microcontroller that controls the movement of a worm drive through a stepper motor. The worm drive is used to move the back gauge with respect to a working tool. The operator of the system sets a desired position of the back gauge relative to the work tool via input thumbwheel switches mounted on a control panel. The panel is connected to the microcontroller, and feeds the information thereto. The program of the microcontroller uses the thumbwheel switch input to drive the stepper motor in a fast drive mode until the back gauge comes into approximate vicinity of a starting position. Thereafter, the worm drive is driven at a slower speed to reach the start position. Once having been calibrated, the back gauge is then directed to the desired position setting with respect to the working tool. The adjusting system can be used with cutting, bending and other low cost, material working apparatus having the common need for precision alignment.

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Benjamin C. Kuo, "Automatic Control Systems", 1987, p. 3.

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