Method and system for automatic generation of NC machining codes based on capacitance detection technology
A technology for processing codes and automatic generation, which is applied in general control systems, control/adjustment systems, program control, etc., can solve the problems of low detection accuracy and efficiency, inability to realize complete automation, inconvenient and high efficiency, etc., to achieve low cost, The effect of overcoming errors and high efficiency
Active Publication Date: 2016-11-30
GUANGZHOU HKUST FOK YING TUNG RES INST
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Problems solved by technology
However, when the current CNC machining system for injection molded products is programmed before processing, it generally can only generate CNC codes from the drawn 3D digital model through computer-aided software.
The NC code automatically generated by the computer-aided manufacturing software is different from the code of the NC machining system in format, so it needs to be manually edited and corrected, and then transferred to the NC system for processing, which is not convenient and efficient enough
Moreover, the current NC machining system for injection molded products still has to rely on the results of manual inspection to generate NC machining codes for secondary correction of defective products, which cannot fully automate the process from inspection to NC machining code generation. lower
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[0056] refer to figure 1 , an automatic code generation method for NC machining based on capacitance detection technology, including:
[0057] A. Use the principle of capacitance to detect the workpiece, so as to obtain the actual size of the workpiece;
[0058] B. Compare the obtained actual size with the standard size of the standard part, and calculate the geometric deviation of the workpiece that does not meet the size requirements;
[0059] C. According to the calculated geometric deviation, processing type, processing procedure and processing method, the CNC processing code of the workpiece that does not meet the size requirements is automatically generated;
[0060] D. Convert and output the automatically generated NC machining code.
[0061] Among them, the workpiece is the plastic product to be tested, which is transported by the conveyor belt; while the standard part is a standard plastic product that meets the size requirements, and its size is generally generated b...
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The invention discloses a method and system for automatically generating numerical control machining codes based on capacitance detection technology. The method of the invention includes: using the principle of capacitance to detect the workpiece, thereby obtaining the actual size of the workpiece; comparing the obtained actual size with the standard size of the standard part Compare and calculate the geometric deviation of the workpiece that does not meet the size requirements; automatically generate the NC machining code for the workpiece that does not meet the dimensional requirements according to the calculated geometric deviation, processing type, processing procedure and processing method; Conversion and output processing. The method of the present invention combines the capacitance detection technology with the numerical control processing technology, can realize the non-damage online detection of the injection molding product, has high detection efficiency and high detection accuracy; at the same time, it can realize the removal of "flash" or "burr" from the detection to the product And the complete automation of the secondary processing correction process, high efficiency and low cost, can be widely used in the field of numerical control processing of injection molding products.
Description
technical field [0001] The invention relates to the field of numerical control machining of injection molded products, in particular to a method and system for automatically generating numerical control machining codes based on capacitance detection technology. Background technique [0002] During the injection molding process, the product often has problems with flashes or burrs due to defects caused by injection molding control (such as excessive injection pressure) or poor mold sealing, and special workers are required to check the flashes or burrs The products are scraped and corrected. [0003] In addition, when affected by factors such as external disturbances, some defective products will appear in the injection molding system (such as the surface size and smoothness of the product do not meet the requirements). In actual production, injection molding companies generally select defective products through manual inspection by workers and deal with them accordingly. F...
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IPC IPC(8): G05B19/4093
Inventor 张碧陶姚科高福荣
Owner GUANGZHOU HKUST FOK YING TUNG RES INST