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How to calibrate the spindle bus of Shanghai cylindrical grinder
1. Prepare measuring tools: including parallel verticality meter or coaxiality meter, distance meter, gauge, etc. Clamp the spindle and install the grindstone.
2. Open the spindle and let it reach the working state during operation. Measure the levelness and verticality of the spindle axis with a parallel verticality instrument or a coaxiality instrument, and record the measured values.
3. Measure the distance between the front end and the back end of the spindle with a distance meter and a gauge, and record the measured value.
4. Calculate the error of the spindle bus according to the measurement results and compare it with the specified error standard.
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