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The characteristics of the CNC engraving and milling machine spindle

by:Transon     2020-04-18
CNC engraving and milling machine is a kind of have a combination of engraving and milling processing capacity of nc machine tools, its main characteristic is to use a small tool and high speed motorized spindle are carved milling processing. Among them, the working speed of the motorized spindle is in commonly 20000 ~ 60000 r/min, up to more than 100000 r/min, and required during no-load running motorized spindle should be smooth operation, must ensure that the actual speed deviation plus or minus 10% percentage points. In idling process, the temperature and the temperature rise of motorized spindle bearing place shall be controlled in the range of low; Rotary precision, low speed when be in commonly 2 & mu; M, 20000 r/min or more generally in 10 & mu; M or so. Because of CNC engraving and milling machine is mainly used for processing small products, in the actual processing cutting load is small, the main shaft in the CNC carving milling mechanical and electrical spindle power small, usually only a few kilowatts, achieving high speed is much more easier than BT40 spindle. Can better meet the needs of high speed, high precision machining.
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