The Overhaul of Dry Powder Ball Press Machine

1. The examination of hidden defects:

In the manufacturing process of a ball press machine, there will be some original defects inside the machine such as slag inclusion and cavity and in the using process, there may be microscopic cracks. These defects cannot be directly found out from general observation and test, but they will cause serious problems to the dry powder ball press machine. For this reason, in the overhaul process of dry powder ball press machine, it is necessary to carry out comprehensive test on it with purpose.

2. The examination of surface quality:

In the overhaul process of ball press machine, the inspection of surface quality of dry powder ball pressing machine not only includes the degree of finish, but includes the defects of scratching, burning loss and galling.

3. The examination of mechanical property:

According to the features of ball press machine, other than testing the hardness of the mechanical properties of materials of this machine, other indexes are not inspected. However, some properties in the manufacturing and overhauling process such as balance state and spring stiffness also have strict test requirement.

4. The examination of geometrical accuracy of the spare parts:

The geometrical accuracy includes the dimensional accuracy and shape and position accuracy. However, sometimes the overhaul work is not only to test the physical dimension of the single spare part, but to test the relative coordination accuracy, which is the most important part in the test process.