How to debug and calibrate the punching machine for zinc steel guardrail?
2019-12-17
In the measured scale, when the center of gravity of the pendulum is at a low point, the top of the piercing head should be within 5mm of the horizontal taxi passing the pendulum's rotating axis. Otherwise, it is necessary to lift and balance the weight. Remove the weight on the pendulum and the sample splint, adjust the pointer to the maximum value, place the pendulum at the starting test position, and press to release
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