Spindle unit for machine tool, has cooling unit partially inserted in spindle holder of machine tool, where cooling unit for cooling medium consists of cooling lines for transporting medium

摘要

The spindle unit (1) has a motor spindle (2) and a closed cooling circuit with a cooling agent provided for cooling the motor spindle. A cooling circuit is provided between a spindle housing (3) of the motor spindle for absorbing the heat of the motor spindle and a cooling unit (6) for cooling the cooling medium consists of cooling lines (4, 5) for transporting the cooling medium. The cooling unit is partially inserted in the spindle holder of a machine tool.