What is the influence of numerical control system on machine tool control and parts processing? Part I
Foreign NC systems which we are familiar on the market are FANUC, SIEMENS, MITSUBISHI, Domestic Brand have GSK, KND, Hua Zhong, compared with the foreign system,the domestic one is instability, but what’s the impart whether the quality of the CNC system is good or bad? And how does it affect it?
1. Firstly, the code interpretation and optimization,the G code or the processing code given is not necessarily reasonable. The discrete code introduces error, and the good NC system can restore the processing path to the surface to a certain extent, and then make the trajectory optimization according to the shape of the surface for the servo control in the back.
2., the next step is trajectory planning and speed planning. The interpolation of the good system is more smooth and smoother, and the speed planning is more reasonable according to the trajectory shape, so as to avoid the vibration caused by the unreasonable acceleration and deceleration.
3.After planning also need compensation for specific mechanical structure, such as pitch, reverse compensation and temperature compensation, cross compensation etc, to correct the mechanical structure of the most relevant characteristics and geometric structure of material and dynamic modal.
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