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High precision manufacturing method and injection mold for plastic injection mold for complex curved surface

An injection mold, complex curved surface technology, applied in the field of mold manufacturing, can solve the problems of reduced product accuracy, complex structure, low mold manufacturing accuracy, etc., to improve processing accuracy, solve warpage and shrinkage problems, and avoid cost and time. effect of loss

Inactive Publication Date: 2015-09-23
DONGGUAN LINGYING MOLD PLASTIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the complex structure and uneven thickness distribution of the large plastic parts of the car, great warping and shrinkage problems occurred during the injection molding process, and the precision of the product was further reduced due to the low precision of the mold manufacturing

Method used

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  • High precision manufacturing method and injection mold for plastic injection mold for complex curved surface
  • High precision manufacturing method and injection mold for plastic injection mold for complex curved surface
  • High precision manufacturing method and injection mold for plastic injection mold for complex curved surface

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Experimental program
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Embodiment Construction

[0043] Examples, see figure 1 , the high-precision manufacturing method of the complex surface automobile injection mold provided by the present embodiment, the numerical control machining center, the computer and the AutoCAD software, HyperMesh software, Autodesk Moldflow simulation software, ANSYS software built in the computer, the processing code generation software of the numerical control machining center,

[0044] The manufacturing method includes the following steps:

[0045] (1) Modeling and deformation analysis of plastic parts:

[0046] Establish the 3D model of automobile injection molded parts in the AutoCAD software of the computer, generate the mid-plane model through the 3D model through HyperMesh software, and then generate high-quality R-trias triangular mesh through the finite element mesh of HyperMesh software, and the generated R- The trias triangular mesh is imported into the Moldflow simulation software for mold flow analysis and modeling, and the compl...

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PUM

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Abstract

The present invention discloses a high precision manufacturing method and injection mold for plastic injection mold for complex a curved surface, wherein a numerical control machining center, a computer and software are configured. The manufacturing method comprises the following steps: (1) modeling and deformation analysis of a plastic part; (2) cutter deformation compensation; and (3) visual inspection and processing error compensation. According to the present invention, by using HyperMesh powerful geometric processing and mesh generation techniques, a model having a better mesh indicator is rapidly created, and the cooling solution is optimized in MoldFlow, basically solving the dashboard warpage and shrinkage problem, and avoiding the loss caused by re-molding in the cost and time. Subsequently, the error is compensated by the prediction of the cutting tool, and the error is compensated offline, thereby improving the initial manufacturing precision. During the manufacturing process, by means of visual inspection of the manufacturing error, the manufacturing error is further compensated. Through twice error compensations, the manufacturing precision of the complex surface of the automobile injection mold is improved.

Description

technical field [0001] The invention relates to the technical field of mold manufacturing, in particular to a high-precision manufacturing method of an automobile injection mold with complex curved surfaces, and an injection mold implementing the method. Background technique [0002] Due to the complex structure and uneven thickness distribution of the large plastic parts of the car, great warping and shrinkage problems occurred during the injection molding process, and the product precision was further reduced due to the low precision of the mold manufacturing. Contents of the invention [0003] This invention aims at the deficiencies of the current technology, and provides a high-precision manufacturing method for automobile injection molds with complex curved surfaces. [0004] The invention also provides an injection mold for implementing the method. [0005] The technical scheme that the present invention adopts for realizing the above object is: [0006] A high-pre...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 钟凌云
Owner DONGGUAN LINGYING MOLD PLASTIC CO LTD
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