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Brushless motor servo system control precision CNC engraving machine experimental results
by：Transon
2020-07-23
To verify the brushless motor servo system control precision CNC engraving machine, make engraving machine end Y = sinx movement along a typical nonlinear curve, the results as shown in the figure below.
Diagram, continuous curve for a given trajectory, dotted curve for practical terminal position.
The discrete point as the measured data;
, Y units are count for the code salver of the motor, if converted into cm, is multiplied by the scale factor: 1/20000.
Maximum error appears in the valley of a peak value, the actual peak valley value: & other;
53029 -
13043'
A theoretical peak valley value: & other;
40000'
, so, the maximum error is: 40000 & ndash;
O007 (
em)
= 7 (
gm)
。
CNC engraving machine servo control system software flow chart of the
tested, carving machine based on brushless motor price positioning accuracy and repeat precision & le; ± 01 mm, maximum operating speed can be up to 12 m/min. 01 mm, speed of 3 m/min. Some high-end and imported products can reach 81 om/min. Thus, in this paper, based on brushless motor compared with the traditional engraving machine, engraving machine system accuracy is improved, the speed has the very big enhancement. Chart for practical carved font.
sine curve trajectory tracking
CNC engraving machine servo control system software flow chart of the
tested, carving machine based on brushless motor price positioning accuracy and repeat precision & le; ± 01 mm, maximum operating speed can be up to 12 m/min. 01 mm, speed of 3 m/min. Some high-end and imported products can reach 81 om/min. Thus, in this paper, based on brushless motor compared with the traditional engraving machine, engraving machine system accuracy is improved, the speed has the very big enhancement. Chart for practical carved font.
sine curve trajectory tracking
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