Six-axis linkage space shaking EDM method

A technology of six-axis linkage and processing method, which is applied in the field of processing technology in the field of mechanical automation technology, can solve problems such as application limitations, and achieve the effect of stable discharge and flexible trajectory form

Active Publication Date: 2016-08-31
SHANGHAI JIAOTONG UNIV
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  • Abstract
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Problems solved by technology

In the multi-axis simultaneous machining of complex parts, especially in the machining process with many rotating axes involved, the application will be limited

Method used

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  • Six-axis linkage space shaking EDM method
  • Six-axis linkage space shaking EDM method
  • Six-axis linkage space shaking EDM method

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Embodiment 1

[0023] Such as figure 1 As shown, it shows the definition of each coordinate axis of the six-axis linkage EDM machine tool in the closed integral blisk EDM. figure 2 Flowchart for multi-axis spatial panning trajectory acquisition. The method uses CAD / CAM software to analyze shaking errors, plan shaking trajectories, generate corresponding shaking data, and realize shaking processing involving up to six axes through a numerical control system. The specific method is: divide the total margin of shaking machining into series, and each level corresponds to a gradually decreasing electric spark discharge standard. Insert an equidistant surface with the minimum shaking step between adjacent final configuration surfaces, and form a reference surface according to the offset electrode surface of each level of discharge gap, move the reference surface with the equidistant surface as the end point, and get close to the reference surface The position of the isometric surface, select th...

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Abstract

A six-axis linkage space shaking electric discharge machining method in the field of numerical control machining technology, by classifying the margin of the workpiece after preliminary machining, that is, the margin between the workpiece surface and the surface to be processed is divided into multi-level shaking surfaces and graded. Reduce the discharge standards between the levels, and then convert the pose data corresponding to the reference plane obtained from the equidistant planes at each level to obtain the NC machining code of the electrode movement, and smooth the surface of the workpiece to the design requirements by shaking the electrode. Dimensional accuracy and surface roughness. The invention uses CAD / CAM software to analyze shaking errors, plan shaking trajectories, generate corresponding shaking data, and realize shaking processing involving up to six axes at the same time.

Description

technical field [0001] The invention relates to a processing technology in the technical field of mechanical automation, in particular to a six-axis linkage space shaking EDM method capable of improving the processing effect during the EDM process. Background technique [0002] EDM is a special processing method that uses the electric erosion effect generated when the pulse discharge between the two electrodes immersed in the working fluid is used to erode conductive materials. EDM has many advantages, mainly in: no cutting force during processing, it can process materials and complex part shapes that are difficult to process by ordinary processing methods, and the hardness of the tool electrode material can be lower than that of the workpiece material. Therefore, EDM is widely used in aerospace and mold making industries. [0003] A relatively big problem faced by EDM is that the processing efficiency is not high. To obtain better surface quality means to adopt finer disch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H1/00B23H7/26
Inventor 赵万生康小明梁为奚学程陈默陈昊
Owner SHANGHAI JIAOTONG UNIV
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