济南江河数控

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江河数控、雕刻机

2013-07-02 10:37Engraving machine motion control technology

1, motion planning function is actually formed movement speed and position of the base level. Appropriate reference quantity can not only improve the accuracy of trajectory, and its influence on the transmission system can also reduce the mechanical transmission elements and requirements. Universal motion controller typically offer based on the impact (Jerk), acceleration and speed, etc. These can affect the magnitude of the dynamic path accuracy to restrict motion planning method, the user can directly call the appropriate function. For acceleration limiting motion planning generates trapezoidal velocity curve; restrict the movement of the impact of planned generation S-curve. In general, for CNC machine tools, the use of acceleration and speed limit baseline motion planning method, it is sufficient to have obtained an excellent dynamic characteristics. For high acceleration, a small stroke movement fast positioning systems such as PCB drilling machines, SMT machines, its positioning time and overshoot have strict requirements that often require higher order derivatives continuous motion planning.
2, the electronic gear and electronic cam function not only can greatly simplify the mechanical design, and can achieve many mechanical gears and cams difficult to function. Electronic gear can implement multiple motion axes by setting the gear ratio synchronized movement, which makes the motion controller in fixed-length cut and shaftless trapping has good application. In addition, the electronic gear function can also implement a motion axis to set the gear ratio followed by a function, and this function is used by several other motion axes decision; woodworking engraving machine an axis ratio can also be set to follow the other two synthesis rate axes. Such as industrial sewing machines and quilting applications, Z axis (suture axis) can follow the XY axis (transverse axis) of the synthesis rate, so that the needle foot from the uniform. Electronic cam function can be programmed to change the shape of the cam, without grinding mechanical cam, which greatly simplifies the process. This feature allows the motion controller in the mechanical cam quenching process, shaped glass cutting machine and full motor-driven spring good application in areas such as.
3, multi-axis interpolation, continuous interpolation function universal motion controller provides multi-axis interpolation function in CNC machinery industry was a wide range of applications. In recent years, engraving machine market, especially mold engraving machine market's rapid development, and promote the continuous interpolation function motion controller development. There are a lot in the mold engraving of short line processing, tombstone engraving machine processing speed requirements fluctuate between segments as small as possible, the speed of change of the inflection point to a smooth transition, so that the speed required by the forward motion controller (Lookahead) and continuous interpolation function . Solid high-tech company launched a special processing technology applied to small segments of continuous interpolation motion controller, the controller in the mold engraving, laser engraving, cutting and other flat areas get a good application.
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