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Shenzhen prototype factory analysis application of CNC machine tool acceleration and deceleration in prototype model

by:Tuowei     2019-09-23
2014-07- 10 11: 19

analysis of the application of CNC machine tool acceleration and deceleration in the prototype model by Shenzhen prototype factory

The Addition/deceleration form of CNC machine tools is divided into two types: linear and Bell.

acceleration itself has the process of increasing and decreasing when the bell shape is added and subtracted. The speed changes smoothly and the impact is small, but the lag of speed instructions is large.

The linear addition/deceleration changes rapidly, and the contour accuracy of the processed parts is high, however, the time constant is set to an hour, which will cause impact and vibration of the machine tool. Therefore, the rapid movement of the general machine tool is set to bell-shaped acceleration/deceleration, and the feed speed is executed by linear acceleration and deceleration.

speed changes can be divided into acceleration phase, normal operation phase and deceleration phase. If the processing step size is less than the required acceleration distance, the speed must be slowed down before the set feed speed is reached, thus limiting the improvement of the actual feed speed of the machine tool and making it difficult to meet the processing requirements.


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