| 摘要 |
The purpose of the present invention is to allow a user to accurately correct decreased accuracy caused by long-term usage of a linkage chuck, which is mainly used in a general-purpose shelf and a cylindrical grinder and is a base of a machine work, with a simple way by using the present invention. The user can use an expensive machine (the linkage chuck) which is from hundreds of thousands of won to millions of won depending on the size while maintaining the accuracy of the linkage chuck for long time. |
