Operation of the spring grinding machine 
1. First, adjust the grinding sleeve according to the height requirement of the spring. The height of the grinding sleeve should be about 3mm lower than the finished height of the spring, then adjust the height of the grinding wheel using the handwheel and lock it in place. 
2. Adjust the height of the lower guide plate at the spring inlet, which should be slightly higher than the plane of the lower grinding wheel. The height of the upper guide plate should be slightly lower than the plane of the upper grinding wheel, allowing the spring to smoothly enter the grinding surface of the wheel. 
3. Adjust the height of the guide plate at the spring outlet, which should be slightly lower than the plane of the lower grinding wheel. 
4. Adjust the speed of the turntable according to the wire diameter of the spring; a larger wire diameter requires a slower speed, and vice versa. (Note: adjustments should be made when the machine is running) 
5. When starting the machine for the first time, be sure to open the oil hole cover on the speed control motor to prevent oil leakage due to air expansion. 
Maintenance and upkeep 
1. The insulation grade of the spring grinding machine is Class B, with an allowable temperature rise of 95K, so the maximum working temperature should not exceed 95 degrees Celsius, which is considered normal. 

2. Before replacing the new grinding wheel, carefully check whether the safety line speed of the new grinding wheel matches the specifications in the manual. If it is below the specified value, it must not be used. Properly install and secure the grinding wheel, and Luoyang Xianheng CNC advises against using grinding wheels with cracks. Choose the correct grinding wheel adhesive. 

3. After replacing the grinding wheel, be sure to check whether the grinding wheel is completely fixed on the taper. Run the spring grinding machine without load for 5 minutes and use the grinding wheel knife to adjust the balance. The sound of the grinding wheel during operation should be balanced and light, and the vibration should not be excessive. During the test run, adjust the front grinding wheel baffle properly, and stand to the side of the grinding wheel to prevent injury from flying debris if the wheel breaks. 4. The workshop of the spring grinding machine should be dry and well-ventilated, and should not store severe acidic or alkaline chemicals.

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