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Spare part outside measurement computing system and method

A technology of external dimension and calculation system, applied in the direction of calculation, special data processing application, instrument, etc., can solve the problems of slow external dimension, waste of material cost, difficulty in ensuring the accuracy of calculation results, etc.

Inactive Publication Date: 2009-10-21
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using this method to calculate the external dimensions is not only slow, but also difficult to guarantee the accuracy of the calculation results
If an error is found after the material preparation is completed, it is necessary to prepare the material again, which will not only waste material costs, but also waste mold development time

Method used

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  • Spare part outside measurement computing system and method
  • Spare part outside measurement computing system and method
  • Spare part outside measurement computing system and method

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Embodiment Construction

[0012] refer to figure 1 Shown is a functional block diagram of a preferred embodiment of the component outline dimension calculation system of the present invention. The part outline dimension calculation system runs on a computer, and the system includes: a reference coordinate system search module 100 , a reference plane establishment module 110 , a shortest distance measurement module 120 , an outline dimension calculation module 130 , and an outline dimension storage module 140 .

[0013] The reference coordinate system finding module 100 is used to find a spatial Cartesian coordinate system as a reference coordinate system from a three-dimensional model of a part. In Pro / Engineer, look up the reference coordinate system from the feature tree of a part's 3D model. The first space Cartesian coordinate system found can be used as the reference coordinate system. like figure 2 As shown, the reference coordinate system of the three-dimensional model of the part is the spa...

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Abstract

A spare part outside measurement computing method comprises steps: searching reference coordinate system according to the three-dimensional model of a spare part; establishing a reference plane corresponding to the searching reference coordinate system; the distance from the origin of coordinates of the reference coordinate system to the reference plane is the excursion distance; measuring the shortest distance between the three-dimensional model surface of a spare part and the reference plane; measuring the spare part outside measurement according to the excursion distance and the measured shortest distance; storing the computed spare part outside measurement. The invention also provides a pare part outside measurement computing system. The invention can fast and exactly compute the outside measurement of the spare part.

Description

technical field [0001] The invention relates to a computer-aided design system and method, in particular to a system and method for calculating the external dimension of a part. Background technique [0002] Pro / Engineer is an integrated computer-aided design (CAD) / computer-aided manufacturing (CAM) / computer-aided engineering analysis (CAE) software developed by American Parametric Technology Corporation (PTC). Part design, assembly design, two-dimensional engineering drawing production, structural analysis, motion simulation and other functions, the software has been widely used in various industries. [0003] When using Pro / Engineer for mold design, it is necessary to calculate the external dimensions of the parts (also called the stock size), and prepare materials according to the external dimensions. The external dimensions of the parts are usually calculated by the designer, and then filled in the material preparation box. Using this method to calculate the external d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 张磊光
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD