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Centering machine processing factory

  • Category:Centering machine processing
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  • Release time:2022-07-21 17:18:18
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CNC centering machine processing machine structure on the impact of temperature rise


Longitudinal cutting CNC machine tool structure form generally refers to the structural form, quality, material properties, heat sources and other issues. Structural form affects the temperature of the machine tool, the direction of heat transfer, the direction of thermal expansion and matching.


(1) the structural form of CNC centering machine tools. In the overall structure level, the machine tool has vertical, vertical, gantry and cantilever, etc., for the thermal response and stability are quite different. For example, the lathe spindle box temperature rise can reach 35 ℃, lifting the spindle end, thermal balance time of 2h up and down. Inclined bed type precision turning and milling center, precision centering machine processing of the machine base stability. The rigidity of the whole machine is significantly improved. The spindle is driven by servo motor and the drive gear is removed. Temperature rise is generally less than 15 ℃.


(2) heat source all over the impact. Machine tools in general feel the heat source is the motor. Such as spindle motors, tool walking motors and hydraulic systems, etc., is actually incomplete. The electric motor is hot only when bearing the load, the current dissipated in the kinetic energy of the armature impedance, and another very part of the energy consumed in the bearings, screw nuts and slides and other institutions caused by the friction work of the hot. Therefore, the motor can be referred to as the primary heat source, and the bearings, nuts, slides and cutting as the secondary heat source. Thermal expansion is the result of the combined effect of all these heat sources.

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