Processing path optimization method applied to machine tool

A processing path and optimization technology, which is applied in the field of processing path optimization applied to machine tools, can solve problems such as jitter and large amplitude, and achieve the effect of convenient control of trajectory shape.

Inactive Publication Date: 2012-10-03
新代科技(苏州)有限公司
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Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a method for optimizing the processing path applied to machine tools, aiming to solve the p

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  • Processing path optimization method applied to machine tool
  • Processing path optimization method applied to machine tool
  • Processing path optimization method applied to machine tool

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Embodiment Construction

[0031] The present invention proposes that the algorithm using Tension Spline as an interpolation curve can achieve the advantages of convenient regulation and control through all control points, smooth trajectory and trajectory shape.

[0032] The present invention is applied to the processing path optimization method of machine tools, wherein the structure and function of the numerical control device of the mentioned mechanical equipment and the principle of interpolation curve B-Spline, Cubic Spline and polynomial curve have been related technical fields Those with ordinary knowledge can understand it, so the following description will only describe in detail the characteristics of the method for optimizing the machining path used in a machine tool according to the present invention.

[0033] like figure 1 As shown, the processing path optimization method applied to the machine tool is as follows:

[0034] Step 100: Provide a processing program, and interpret the processin...

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Abstract

The invention relates to a processing path optimization method applied to a machine tool, which comprises the steps of: providing processing program and interpreting the processing program; providing a path planning unit which receives the interpreted processing program and planning a processing path according to numerical control parameter; providing an interpolator of a tension spline track interpolation algorithm to carry out smoothing processing of the processing path; providing a movement planning unit to endow the smoothed processing path with kinetic characteristic according to the numerical control parameter and the interpolator of the tension spline track interpolation algorithm; providing an interpolation unit, to carry out interpolation operation on the processing path data which is subjected to movement planning and has kinetic characteristic to generate an interpolation command according to the numerical control parameter and the interpolator of the tension spline track interpolation algorithm; providing a driver to send the interpolation command to the driver; sending a control signal by the driver to drive and control an axial motor; and providing a position sensing component to feed the position information of the axial motor back to the driver.

Description

technical field [0001] The invention relates to a processing path optimization method applied to a machine tool, in particular to a method for generating and interpolating a processing path trajectory of a machine tool. Background technique [0002] With the progress of computer numerical control (Computer Numerical Control, CNC) machine tool equipment, the traditional processing path planning method based on line segment interpolation can no longer meet the requirements of high speed and high precision, and more advanced interpolation methods are needed to describe complex The most widely used interpolation methods are B-Spline, cubic spline (Cubic Spline), polynomial curve or direct linear interpolation, all of which have shortcomings. [0003] However, the most common interpolator that uses B-Spline as an interpolation curve is NURBS (Non-uniform rational B-Spline). The biggest trouble in the application of NURBS is that the generated trajectory does not necessarily pass ...

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Application Information

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IPC IPC(8): G05B19/41
Inventor 黄汉邦李柏霆王唯任
Owner 新代科技(苏州)有限公司
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