Sand profile in-situ detection system, method and sand profile error compensation method
An in-situ detection and grinding wheel technology, applied in metal processing equipment, grinding drives, manufacturing tools, etc., can solve problems such as low detection efficiency and positioning errors, improve dressing accuracy, eliminate influences, and reduce contour processing errors. Effect
Active Publication Date: 2020-03-31
SHANGHAI JIAOTONG UNIV
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Problems solved by technology
This method has strong anti-interference ability and high detection accuracy, but it needs a motor to control the movement of the eddy current sensor, which will cause positioning errors and low detection efficiency
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[0059] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0060] figure 1 A schematic diagram of the structure of the in-situ detection system for the sand profile provided by an embodiment of the present invention, such as figure 1 As shown, the system in this embodiment includes: a visual measurement assembly, a grinding wheel drive assembly, a grinding wheel dressing assembly 109, a workbench 110, and a bed 101; wherein, the visual measurement assembly includes: a CCD camera 105, a telecentric lens 106 and Parallel light source 111, the grinding wheel driv...
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The invention provides an in-situ detection system and method for a grinding wheel outline and a grinding wheel outline error compensation method. The system comprises a vision detection component, agrinding wheel driving component, a grinding wheel trimming component, a worktable and a bed; the worktable, the grinding wheel driving component and the vision detection component are arranged on thebed; the grinding wheel trimming component is arranged on the worktable and is in a machining stroke of the grinding wheel; the vision detection component is used for acquiring a tool bit outline pattern of the grinding wheel; the grinding wheel driving component is used for driving the grinding wheel to move in a preset stroke and driving the grinding wheel to rotate; and the grinding wheel trimming component is used for trimming the ground grinding wheel. By adopting the in-situ detection system and method for the grinding wheel outline, positioning error caused by repeated assembly of thegrinding wheel is prevented; influence of axis precision to outlines of different circumferential sections of the grinding wheel is eradicated; detection precision and efficiency are improved; and thegrinding wheel outline error compensation method is provided, so that trimming precision and machining precision of the grinding wheel are improved.
Description
technical field [0001] The invention relates to the technical field of numerical control machining, in particular to a sand profile in-situ detection system and method and a sand profile error compensation method. Background technique [0002] With the development of the manufacturing industry, the shapes of various complex and precise cutting tools, molds and other contour curve parts are becoming more and more complex, and the requirements for precision and efficiency are also getting higher and higher. Such parts are usually finished by precision contour grinding. In terms of grinding methods, the most representative one is CNC profiling grinding with continuous trajectory control. This grinding method usually uses a thin grinding wheel with double hypotenuses and circular arc blades, and realizes point grinding of contour curves through trajectory control. However, because it relies on the cutting edge arc of the grinding wheel to complete the material removal, the cont...
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IPC IPC(8): B24B47/25B24B49/12
CPCB24B47/25B24B49/12
Inventor 许黎明范帆胡一星张哲巢栩嘉范炜程
Owner SHANGHAI JIAOTONG UNIV