For customers struggling with convex/concave round workpieces or micron-level precision grinding, the Nisshin Rotary Chuck is the ultimate solution. This high-precision rotating electromagnetic chuck is designed to enhance grinding efficiency and accuracy.

Developed by our company—a precision press die manufacturer with over 60 years of history—this in-house product was originally created to dramatically streamline our own grinding process. Now, we offer it for sale to fellow metalworking and press processing companies.

Simple & Efficient Add-On
Attaches and detaches easily onto the chuck surface of your existing sine bar chuck or tiltable chuck in small profile grinders or surface grinders.
Perfect for low-volume, high-mix grinding operations, providing flexibility and efficiency.
Proven Applications
Silicon wafer sub-micron grinding
Reduced grinding time for ultra-hard components

The Nisshin Rotary Chuck is a game-changer for precision grinding, helping manufacturers achieve higher accuracy and efficiency with minimal setup effort.