cast iron inspection plate

Producing Procedure of Inspection Surface Plate:

1. Rough casting:

 Make drawings according to the technical requirements-Making mold as per the drawings-Prepare material-Modelling-Filling sand-Drying-Casting-Surface cleaning -Casting parts testing.

First time Heat treating to eliminate the internal stress

3. Rough machining:

Machining as per the drawing- Casting Parts’ inspection and test.

4. Second time Heat treating and aging treatment, to eliminate the internal stress

5. Precision finishing:

Leveling -Scraping- Final inspection and testing.

6 .Final finish:

Painting- Packing-deliver to warehouse.

The accuracy of the Cast Iron Surface Plate refers to the deviation from flatness of the working surface and it shall be classified as Grade 0,1,2,3.