What points should be paid attention to when grinding the inner hole manually?
3. hand grinding holes, small and medium-sized parts should be clamped, large pieces should be placed smoothly, so as not to slip or overturn during operation. Force is not too hard to prevent injuries to the workpiece grinding rod.
Manual grinding larger plane or change the grinding machine, grinding disk, two people should cooperate, action should be coordinated. Be careful not to make tools fall to the ground. 5. when grinding machine is running, forbid to add grinding agent directly by hand. 6. use oil clean, should pay attention to fire prevention.
1. when grinding the outer circle with a lapping machine, the grinding sleeve must not be adjusted too tightly and must be adjusted with the right hand. To promote grinding sets to be stable, feel too tight, that is loose, do not push hard. 2. when grinding the inner circle, the grinding bar should be firmly packed and the workpiece must be moved with the right hand.
