Plates are consumed by particles and workpieces during lapping, making them concave or convex, which deeply affect the precision. 

In some cases, you will need to adjust the plate to specific shape in order to achieve the finishing goal. 

This is why the shape of plates are relatively important for the roles in lapping. 

Jeng Yueh offers a complete plate controling technique, adjusting plate flatness while working with workpieces. This technique also maintains the plate within expected flatness in long term, making sure that the precision is in the palm of your hand.

Pictures show ring positions while fixing the plates.

Feel free to contact us to learn more and to understand our FREE sample testing service !!