Causes and improvement methods of cold running on cast iron scribing platform of gantry grinder: cold casting defects appear in the casting process of gantry grinder cast iron scribing platform. The reason for this defect is that the temperature at the front end of the melting soup is too low. There are traces. The following analysis by Botou Huarui Cast Iron Flat Plate Factory may change the quality of the casting of the scribing platform, but casting is a varied production method. No one is very sure to control the quality of the product. Benefit control.
Gantry grinding machine improvement method:
1. Longmen grinder. Adding a vacuum device may be useful;
2. It may be useful to increase the escape route;
3. Shorten the filling time;
4. Change the filling mode;
5. Improve the mold temperature;
6. Increase the temperature of the melt;
7. Check the alloy composition;
8, check whether the shape is not easy to fill; too far distance, closed areas (such as fins (fin), bumps), blocked areas, rounded corners are too small to fill, and pay attention to whether there are ribs or cold spots;
9. Check if the wall thickness of the gantry grinder is too thin (design or manufacture), and the thinner area should be filled directly.