How to provide grinding accuracy for ordinary cylindrical grinders.
1. Precision grinding mechanism.
2. Maintenance of grinding machine:
(1) Inspection and scraping of bed guide rails.
(2) Inspection and scraping of sliding saddle guide rails.
(3) Adjust the gap between the grinding wheel spindle and the bearing shell.
(4) Balance between the grinding wheel spindle motor and the grinding wheel.
3. Grinding wheel dressing.
The repair method can adopt one of the following two methods:
(1) Use a diamond pen to refine, then use an oilstone to refine.
(2) Use a diamond pen to refine, and then use a polished grinding wheel to refine.
4. Selection of grinding quantity.
5. Precautions for Grinding Processing:
(1) During operation, close attention should be paid to the contact condition between the grinding wheel and the workpiece surface.
(2) When grinding in high ambient temperatures, the machine tool lighting should not be close to the workpiece to prevent the workpiece from expanding due to heat and affecting the grinding quality.
(3) If there is surface roughness on the workpiece, it indicates that the coolant is not clean or there is floating sand on the surface of the grinding wheel. The coolant should be re filtered or the floating sand on the surface of the grinding wheel should be brushed off.
(4) If there is local burn on the workpiece, it may be caused by insufficient coolant, excessive feed rate, or blunting of the grinding wheel.
(5) If fine microwave patterns appear locally on the surface of the processed workpiece, it may be caused by loose spindle, motor vibration, or other reasons. Corresponding measures can be taken depending on the specific situation to solve the problem.