How to improve the machining
precision of rapid prototyping method < br /> 1, the system of rapid prototyping technology to adjust < br />
Try cutting method to adjust the < br /> cut through the test
Measuring size -
Turning to adjust the knives
Feed cutting -
Try cutting and so on until you reach the required size.
this method the production efficiency is low, it is mainly used for single small batch customization and small batch manufacture < br />
Adjustment method through adjust the machine in advance, fixture, the relative position of workpiece and tool to obtain the required size.
This method high productivity, is mainly used for small batch trial production and small batch customization.
< br /> 2, and reduce the error of machine tool < br />
Improve the manufacturing precision of the spindle assembly should enhance the rotation accuracy of bearing: < br /> a, choose high precision rolling bearings two, with high precision more oil is woven three dynamic pressure bearing, using high precision hydrostatic bearing, < br /> should improve the accuracy of and bearing accessories: < br /> a, improve housing support hole, the machining precision of the spindle shaft neck;
two, improve the machining accuracy of to match the bearing surface;
3, measurement and adjust the corresponding range of radial runout, make or phase offset error compensation.
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For rolling bearing preloaded appropriate < br /> a, can eliminate the gap;
2, increase the bearing stiffness;
3, homogenizing rolling element error.
< br /> 3, reduce the transmission chain error
Drive less number, transmission chain is short, high driving accuracy;
By slow down transmission, the transmission accuracy is the key principle, and the closer it gets to the end of the drive, the smaller the ratio should be
Ends should be higher than other transmission precision parts.
< br /> 4, reduce tool wear < br /> in front of the cutting tool wear size of sharp wear stage will have to change again.
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