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CNC engraving and milling electric spindle work requirements

Jinan Jcut CNC Equipment Co.,Ltd | Updated: Jan 18, 2017

CNC engraving and milling machine is also equipped with engraving and milling CNC machine tool, its main feature is to use a small tool and high-speed electric spindles for engraving and milling processing. Among them, the spindle speed in 20000-60000r/min, up to a maximum of 100000r/min per cent, and electric spindle when running at no load operation should be steady, the actual speed deviation must be within ± 10%. In the air during the operation of electric spindle bearing temperature and temperature rise should be at a lower range of rotating accuracy, low speed 2 μ m or so, 20000r/min or more generally about 10 μ m. Because CNC engraving and milling machine is mainly used for processing small, spindle-cutting in the actual processing load, CNC engraving and milling electric spindle power of small, generally only a few kilowatts, much easier than BT40 spindle of high speed. Can be used to meet the need of high speed and high precision machining.