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1引言通用的砂带磨削设备除了有接触轮（或压磨板）、张紧轮、驱动轮和砂带等基本元件以完成磨削行为，它还必须有与其磨削性能相关的功能部件相辅之。如砂带张紧快换机构，不仅让砂带得以张紧，保证磨削顺利进行，而且在砂带磨钝后操纵此机构能够在极短时间更换新砂带；砂带横
1 Introduction Universal belt grinding equipment in addition to the contact wheel (or pressure plate), tension wheel, driving wheel and belt and other basic components to complete the grinding behavior, it must also have its grinding performance-related features Complement. If the belt tension quick change mechanism, not only to the belt to be tightened, to ensure the smooth grinding, and in the belt after blunt the manipulation of this body can replace a very short time new belt; belt horizontal