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Method for recrifying mold model data

A technology of model data and molds, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve difficult problems and achieve the effect of reducing working hours

Inactive Publication Date: 2008-07-23
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] However, it is not easy to reflect the three-dimensional data in the mold model data of this repeated mold

Method used

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  • Method for recrifying mold model data
  • Method for recrifying mold model data
  • Method for recrifying mold model data

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Embodiment Construction

[0035] A method of correcting mold model data according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 15 .

[0036] In step S1 shown in FIG. 1 , the desired shaped article is designed, and the data of the shaped article model is generated.

[0037] In step S2, the data of the mold model is generated on the CAD system based on the data of the formed article model.

[0038] In step S3, NC data for controlling an NC machine tool is generated based on the mold model data.

[0039] In step S4, a mold is manufactured by a numerically controlled machine tool based on the NC data.

[0040] In step S5, a formed article as a prototype article is punched using the manufactured die.

[0041] In step S6, the prototype article and the forming surface of the mold are observed and analyzed, and manual corrections are made to the mold. Specifically, observe and analyze the folds, cracks and dimensional errors of the prototype, and observe and...

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Abstract

The method involves manufacturing a mold based on mold model data, and correcting the mold. The corrected mold is measured with a measuring tool to produce three-dimensional (3D) mold measuring data. The 3D mold measuring data and the mold model data are compared. A surface represented by the 3D measuring data is brought in proximity to another surface represented by the mold model data. Absolute values of distances between pairs of measuring points on the surfaces are calculated and the mold model data is corrected based on the values.

Description

technical field [0001] The invention relates to a method for effectively correcting mold model data already generated on a CAD system into more accurate mold model data. Background technique [0002] Nowadays, it has become customary to manufacture stamping dies by using a CAD system or the like and designing a die based on shape data of a formed article to generate die data, and then creating a numerical control (NC) for machining a stamping die based on the die data. NC) program, and the stamping die is machined in the first stage on a numerically controlled (NC) machine tool operated by running the NC program. Since stamping dies machined at the first stage are not necessarily capable of producing formed articles of the desired quality, it is common practice to check stamping dies on a trial basis against formed articles that have actually been produced by stamping dies, and according to Check the results to correct the stamping die. [0003] For example, it has been pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50B29C33/38
CPCG06F17/50G06F30/00
Inventor 金井义男原浩二
Owner HONDA MOTOR CO LTD
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