| 摘要 |
PURPOSE: An anti-deformation device for a spindle shaft is provided to minimize the thermal deformation of a spindle head and help accurate ascent/descent of the spindle head. CONSTITUTION: A cooler(120) is installed in a spindle shaft(100) to which a spindle(101) is connected. The cooler comprises a cooling block(201), a cooling water supply pipe, a cooling water discharge pipe, and a cooling water flow space. The cooling water supply and discharge pipes are connected to the cooling block to draw in or discharge cooling water. The cooling water flow space absorbs the heat transferred from the spindle.
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