Positioning method and positioning system for back barrier material of sheet shear or bending machine
A positioning method and backgauge technology, applied in positioning devices, shearing machine accessories, shearing devices, etc., can solve the problems of unsatisfactory high-precision processing, unsatisfactory positioning effect, high cost, etc., and achieve easy maintenance and reduce The effect of equipment cost and simple operation
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[0039] Further illustrate specific embodiments of the present invention:
[0040] First, set the target position to 300.00mm; set the in-position tolerance to 0.02mm; set the early stop distance to 5.00mm; set the OutTime to 20ms, and set the WaitTime to 2s;
[0041] After the parameters are set, start the system and use IO to directly control the asynchronous motor to drive the back gauge, assuming that the current position is 500.00mm, during the process of the back gauge running to the target position of 300.00mm, when the back gauge position enters Within the early stop range, that is, at 295.00mm, the motor output is turned off, so that the back gauge will continue to run to the target position by inertia. When the back gauge is completely stopped, calculate the error ε between the actual position and the target position at this time;
[0042]Assuming that the actual position CurPos is 301.00mm at the moment, the error ε=1.00mm, which is greater than ε1, the system determ...
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