Three-coordinate automatic detection realizing method of belt back-off electrode
An automatic detection and realization method technology, which is applied in the direction of measuring devices, mechanical measuring devices, instruments, etc., can solve the problem of non-interference between the probe and the electrode with an undercut, and achieve the effect of reducing the number of trial and error and reducing energy consumption
Inactive Publication Date: 2018-04-03
中数复新智能科技(上海)有限公司
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[0005] Aiming at the above-mentioned deficiencies in the prior art, the present invention proposes a three-coordinate automatic detection implementation method with an undercut electrode, which overcomes the problem that the existing three-coordinate measurement automatic detection cannot generate a measuring track without interference between the stylus and the underturned electrode Disadvantages, the present invention fully considers the influence of the existence of the undercut surface of the electrode on the generation of the three-coordinate automatic detection program, and overcomes the interference problem between the measurement track of the stylus automatically generated by the existing three-coordinate detection program and the electrode to be tested with an undercut, Utilizing the present invention can realize the automatic generation of measurement programs of electrodes with undercuts
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[0036] Such as image 3 As shown, it is a side view of the undercut electrode to be tested in this embodiment, and the electrode has four undercut surfaces A, B, C, and D.
[0037] This embodiment takes a detection point on the undercut surface A as an example to describe in detail the generation of the three-coordinate automatic detection program and the automatic measurement process of the electrode with an undercut.
[0038] In step 1, the coordinates of the detection point, the normal direction of the surface where the point is located, and the retreat distance value set by the three-coordinate measuring instrument are all known quantities. The stylus is first accurately positioned at the detection point, and then retreats to the first intermediate position point 4 near the detection point along the normal direction of the surface where the detection point is located.
[0039] Step 2, using the trial and error method to calculate the minimum clockwise rotation angle α of ...
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The invention discloses a three-coordinate automatic detection realizing method of a belt back-off electrode and overcomes the defect that existing three-coordinate measuring automatic detection cannot generate interference-free measuring traces of a measuring probe and the belt back-off electrode. Influence of existence of an electrode back-off face on generation of an three-coordinate automaticdetection program is fully taken into consideration, the defect that measuring probe measuring traces automatically generated by existing three-coordinate detection programs interfere with a to-be-detected belt back-off electrode is overcome, and automatic generation of a belt back-off electrode measuring program can be realized by utilizing the method. Actual testing proves that interference-freemeasuring traces of the measuring probe of a three-coordinate detector and the belt back-off electrode can be acquired conveniently and quickly, and needs on accurately measuring shape and size of the belt back-off electrode of the three-coordinate detector are met.
Description
technical field [0001] The invention relates to a technology in the field of electric discharge machining, in particular to a method for realizing automatic three-coordinate detection with an undercut electrode. Background technique [0002] Since EDM can simply copy the shape of the tool electrode to the workpiece, it is especially suitable for processing workpieces with complex surface shapes. It can also process thin-walled, elastic, low-rigidity, tiny holes, special-shaped holes, and deep holes. And other parts with special requirements. In particular, the adoption of numerical control technology has made it possible to process parts with complex shapes with simple electrodes. Under the current increasingly urgent demand for molds with complex structures, EDM has the characteristics of being able to process materials and complex-shaped workpieces that are difficult to cut by ordinary cutting methods, no cutting force during processing, and no burrs and tool mark groove ...
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IPC IPC(8): G01B5/00
CPCG01B5/004
Inventor 彭新开俞翔班梦凯郑冠雄
Owner 中数复新智能科技(上海)有限公司
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