Fixed tightening Spindles is an automatic control of the tightening tool, with smart ightening controller to use, to achieve ultra-high precision tightening control, tightening strategy free choice of settings, the tightening process of dynamic analysis and judgment, tightening data preservation and traceability and other functions, and can be controlled through the network with the controller plc connection.Based on the industrial computer control mode is convenient for customers to quickly integrate into the industry 4.0 Era, facilitating remote access, data analysis, connecting mes system and product upgrading and maintenance, so as to realize network, digitalization and intelligence. Widely used in automobile manufacturing and other industrial fields that require high precision tightening.