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Method and device for calculating maximum projection area of component

A technology of projected area and projected direction, which is applied in the field of calculating the maximum projected area of ​​a part, and can solve problems such as large limitations, low efficiency, and poor accuracy

Active Publication Date: 2018-05-22
BEIDOU AEROSPACE AUTOMOBILE BEIJING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a method and device for calculating the maximum projected area of ​​a part, so as to alleviate the technical problems of low efficiency, poor accuracy and large limitations in calculating the maximum projected area of ​​a part in the prior art

Method used

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  • Method and device for calculating maximum projection area of component
  • Method and device for calculating maximum projection area of component
  • Method and device for calculating maximum projection area of component

Examples

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Embodiment 1

[0088] A method for calculating the maximum projected area of ​​a part, refer to figure 1 , applied to CATIA software, the method includes:

[0089] S102. Establish a sketch plane in the CATIA software according to the user's setting operation, wherein the sketch plane is used to project the outline of the part to be calculated, and the sketch plane is provided with a projection direction and a rotation axis;

[0090] With the rapid development of digital industrialization, CATIA software is more and more widely used in industrial design. Today, CATIA software plays an important role in the research and development of automobiles, light rail, ships, and aircraft. As people's needs increase, the R&D and design work of components also increases, and the R&D and design workload using CATIA also increases.

[0091] In the embodiment of the present invention, CATIA software is used to calculate the maximum projected area of ​​the part. Before calculating the maximum projected are...

Embodiment 2

[0144] A device for calculating the maximum projected area of ​​a part, applied to CATIA software, reference Image 6 , the device consists of:

[0145] The first building module 11 is used to set up a sketch plane in CATIA software according to the user's setting operation, wherein the sketch plane is used to project the outline of the part to be calculated, and the sketch plane is provided with a projection direction and a rotation axis;

[0146] The projection module 12 is used to project the outline of the part to be calculated to the sketch plane according to the trigger operation of the user;

[0147] The first calculation module 13 is used to calculate the initial projected area of ​​the parts to be calculated in the sketch plane;

[0148] The second establishment module 14 is used to establish the parameter change relationship between the projection direction and the rotation axis, wherein the projection direction includes: the projection direction line and the placem...

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Abstract

The present invention provides a method and device for calculating a maximum projection area of a component. The method comprises the steps of establishing a sketch plane in CATIA software, projecting the outline of a component to be calculated to the sketch plane, calculating an initial projection area of the component to be calculated in the sketch plane, establish a parameter change relationship between a projection direction and a rotation axis, and calculating and obtaining a maximum projected area of the component to be calculated based on the parameter change relationship, free parameters set in a knowledge projection optimization module by a user, the initial projection area and a maximum update number of times. In the method of the invention, through setting related parametersin the CATIA software, the maximum projected area of the component can be quickly and conveniently calculated, a complicated working time can be reduced, the working efficiency can be improved, theaccuracy is high, the maximum projected area of a component with an irregular shape can be calculated, and the technical problems of low efficiency, poor accuracy and large limitations in calculating the maximum projected area of a component in the prior art are solved.

Description

technical field [0001] The invention relates to the technical field of mold processing, in particular to a method and device for calculating the maximum projected area of ​​a part. Background technique [0002] The development of automotive plastic parts requires the use of injection molds. Before the production of injection molds, the maximum clamping force must be calculated, and the corresponding molds should be made according to the requirements of this clamping force. Clamping force refers to the locking force applied to the mold by the injection machine in order to overcome the expansion force of the melt in the cavity to the mold during injection. When the raw material is injected into the mold cavity at high pressure, it will generate a force to support the mold, so the clamping unit of the injection molding machine must provide enough "clamping force" to keep the mold from being stretched. The size of the clamping force is related to the projected area of ​​the pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/28
CPCG01B21/28
Inventor 刘贵生邹艺文
Owner BEIDOU AEROSPACE AUTOMOBILE BEIJING CO LTD