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Intelligent repair method of injection molding during plastic injection process and injection molding machine

A technology of injection process and injection parts, applied in electrical components, systems based on fuzzy logic, logic circuits, etc., can solve problems such as not fully reflecting the real situation of the injection process

Inactive Publication Date: 2006-10-25
宁波海太塑料机械有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current numerical simulation technology used in the simulation of the plastic injection process is also based on many assumptions, which cannot fully reflect the real situation of the injection process.

Method used

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  • Intelligent repair method of injection molding during plastic injection process and injection molding machine
  • Intelligent repair method of injection molding during plastic injection process and injection molding machine
  • Intelligent repair method of injection molding during plastic injection process and injection molding machine

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Embodiment Construction

[0050] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0051] A pair of molds, the injection plastic is ABS, the defect type is "under-injection", and the process parameter is "injection pressure".

[0052] figure 1 It is an overall block diagram of the embodiment of the present invention, illustrating the overall implementation method and process of the present invention. In the part of knowledge acquisition, the expert knowledge of plastic injection is collected and sorted out by the method of knowledge engineering, and the fuzzy if-then rule set of "under-injection" and "injection pressure" correction is formed, and its form is as shown in the example of fuzzy if-then rules in the content of the invention At the same time, a knowledge base of defect priority is formed to determine which defect should be corrected first when multiple defects appear at the same time. Both the fuzzy rule base an...

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Abstract

The present invented method consists of 1, establishing expert knowledge base and blur rule base; 2, based on said knowledge base and blur rule base, utilizing fuzzy reasoning technology establishing fault modification fuzzy model in injection process; 3, according to fed die setting process technological parameter, jet molding piece fault type and fault level, reasoning and calculating to obtain technological parameter correction. The present invention also obtains a jet molding unit. Said invention has advantages of quick adjusting technological parameter, fast modifying jet molding piece fault, and raising jet molding piece quality.

Description

technical field [0001] The present invention relates to a plastic injection molding process, more specifically to an intelligent correction method for defects in injection molded parts during the plastic injection process and an injection molding machine, that is, to use knowledge engineering to collect and sort out expert knowledge in the field of plastic injection molding to form a method for correcting injection defects The expert rule base establishes a fuzzy reasoning model for defect correction of injection molded parts, and obtains the adjustment amount of process parameters by reasoning, so as to realize the correction of product defects in the plastic injection process. Background technique [0002] Plastic has the characteristics of low density, light weight, good insulation performance, low dielectric loss, high chemical stability and good wear resistance. It is widely used in various fields such as industry, agriculture, construction, packaging, national defense a...

Claims

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Application Information

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IPC IPC(8): G06F17/50B29C45/00G06N7/02
Inventor 李德群夏善海周华民杜宁冯伟叶启赏
Owner 宁波海太塑料机械有限公司
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