Electric spark processing spindle system servo response delay measuring system and method

A technology for processing spindles and processing systems, applied in electric processing equipment, metal processing equipment, circuits, etc., to achieve the effects of low cost in the measurement process, convenient operation, and low cost

Active Publication Date: 2019-04-05
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, there is still a lack of a simple, intuitive, efficient and accurate mea...

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  • Electric spark processing spindle system servo response delay measuring system and method
  • Electric spark processing spindle system servo response delay measuring system and method
  • Electric spark processing spindle system servo response delay measuring system and method

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Embodiment Construction

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0032] The following describes the servo response delay measurement system and method of the EDM spindle system according to the embodiments of the present invention with reference to the accompanying drawings. First, the servo response delay measurement system of the EDM spindle system according to the embodiments of the present invention will be described with reference to the accompanying drawings. .

[0033] figure 1 It is a structural schematic diagram of a servo response delay measurement system of an EDM spindle system ac...

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Abstract

The invention discloses an electric spark processing spindle system servo response delay measuring system and method. The electric spark processing spindle system servo response delay measuring systemcomprises an electric spark processing spindle system, a contactless eddy current displacement sensor, a machining clearance servo control system, and a double-channel digital oscilloscope, wherein the electric spark processing system spindle is installed and clamped with a tool electrode to control the feed movement of the tool electrode; the contactless eddy current displacement sensor is fixedto the spindle of the electric spark processing system to monitor and record the displacement actions of the spindle and the tool electrode; the input end of the machining clearance servo control system is connected with the tool electrode and workpiece, the output end of the machining clearance servo control system is connected with a spindle driving motor, and an electrical signal of the workpiece and a control signal of the output tool electrode movement are respectively fed back; a first channel of the double-channel digital oscilloscope is connected with an output signal line, a second channel of the double-channel digital oscilloscope is connected with the tool electrode and the workpiece, and a whole-closed-loop response delay is obtained by respectively monitoring and comparing the change time of tool electrode motion and the change time of the electrical signal of the workpiece. According to the electric spark processing spindle system servo response delay measuring system, the cost is low, operation is convenient and quick, resolution and sensitivity are high, and the servo response delay measurement of various machine tool motion systems can be commonly used.

Description

technical field [0001] The invention relates to the technical field of special processing, in particular to a system and method for measuring the servo response delay time of an electric discharge machining spindle system. Background technique [0002] EDM is the use of pulsed spark discharge between the tool electrode and the workpiece to achieve material removal. One of the conditions for the normal operation of EDM is to maintain a small discharge gap between the tool electrode and the workpiece, and its size usually depends on the discharge parameters and processing status. As the workpiece is processed and the tool electrode is continuously worn during the machining process, the machining gap between the workpiece and the electrode becomes larger. When the machining gap increases beyond the range of the discharge gap, EDM cannot be continued. Therefore, in the process of electric discharge machining, the advance and retreat of the tool electrode is usually controlled ...

Claims

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Application Information

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IPC IPC(8): B23H1/02B23H11/00
CPCB23H1/024B23H11/00
Inventor 佟浩普玉彬李勇李俊杰
Owner TSINGHUA UNIV
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