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Analytic method for orientation of packing materials

A technology of filling materials and analysis methods, which is applied in the direction of analysis materials, measuring devices, instruments, etc., can solve the problems of huge calculation costs, time-consuming individual analysis, etc., and achieve easily predictable results

Active Publication Date: 2015-07-22
POLYPLASTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problems of the methods described in Patent Documents 1 and 2 are as follows: first, when analyzing the fiber orientation state of each unit individually, flow analysis software is required, resulting in a huge calculation cost; second, due to It takes a lot of time to analyze the fiber orientation state of each unit individually

Method used

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  • Analytic method for orientation of packing materials
  • Analytic method for orientation of packing materials
  • Analytic method for orientation of packing materials

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Embodiment

[0079] Hereinafter, although an Example demonstrates this invention concretely, this invention is not limited to them.

[0080] Slice Image Acquisition Process

[0081] The resin molded article used in the embodiment, its shape is Figure 5 The plate shown in (a). This resin molded product is produced by injection molding. The shape of the resin molded product and the molding conditions during injection molding are as follows.

[0082] Shape: length 80mm, width 80mm, thickness 2mmt

[0083] Resin: Polybutylene terephthalate resin containing 30% by mass of glass fiber

[0084] Mold temperature: 60°C

[0085] Resin temperature: 260°C

[0086] Filling rate: 17.3cm 3 / s

[0087] Holding pressure: 49MPa, 5sec

[0088] Cooldown time: 7sec

[0089] Next, half of the above-mentioned resin molded product ( Figure 5 The part surrounded by (a) dotted line), in Figure 5 Slice images of a portion of 1.5 mm×1.5 mm and 6 μm in thickness were acquired at positions A to C shown...

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Abstract

PROBLEM TO BE SOLVED: To provide a fiber orientation analysis method which can be easily used for analysis of mechanical strength etc. and is preferably used even in the case in which a large amount of glass short fiber is included. SOLUTION: A slice image of a resin molding product is subject to binarization. The image subject to the binarization is then subject to Fourier transformation. The resulting power spectrum image is used for analysis of the tendency of the orientation state of a filler in a part of the resin molding product. It is preferable that the orientation state analysis step included in the analysis method according to the present invention is a step in which the orientation degree and / or orientation angle of the filler at each power spectrum image is analyzed.

Description

technical field [0001] The present invention relates to an orientation analysis method of a filler contained in a resin molded product. Background technique [0002] In the past, in order to shorten the design cycle of resin products (resin molded products) and reduce production costs, attempts have been made to replace mechanical strength tests of various resin products with numerical analysis methods in design sites of various resin products. [0003] As problems when the above-mentioned numerical analysis method is not used, there are listed: when the above-mentioned mechanical strength test is accompanied by the destruction of the resin product or its trial product, it is necessary to prepare a trial product for the number of tests; Due to sexual constraints, it may be difficult to redo the test, etc. Therefore, at the design site of resin products, it has become an important issue to replace mechanical strength tests of resin products with numerical analysis methods. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/26G01N3/00
Inventor 广田晋一
Owner POLYPLASTICS CO LTD