Concrete stirring vane die face design system and method based on springback compensation

A mold surface, springback compensation technology, applied in the direction of calculation, special data processing applications, instruments, etc., can solve the problems of difficult mold surface reconstruction, low springback compensation accuracy, and many times of mold repairs, and achieves faster The design process of springback compensation, reducing the number of mold repairs, and improving the effect of springback compensation accuracy

Inactive Publication Date: 2009-01-07
JIANGSU UNIV
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Problems solved by technology

[0005] The present invention provides a concrete mixing blade mold surface design system and method based on springback compensation, which can solve the problems of too many mold surface repairs for concrete mixing blade molds in the prior art, difficulty in mold surface reconstruction after springback compensation, and The technical problem of low springback compensation accuracy

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  • Concrete stirring vane die face design system and method based on springback compensation

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Embodiment Construction

[0011] Such as figure 1 As shown, the system of the present invention includes three modules: the automatic springback compensation design of the mold surface based on numerical simulation, the CAD reconstruction design of the mold surface, and the mold surface correction based on reverse engineering, and the blade mold surface CAD reconstruction design module 2 is connected to the output of the blade mold surface automatic springback compensation design module 1 based on numerical simulation, and the blade mold surface correction module 3 based on reverse engineering is connected to the output of the blade mold surface CAD reconstruction design module 2 to form a rebound-based Elastic compensation concrete mixing blade mold surface CAD-CAE-CAD integrated system (CAD computer-aided design, CAE computer-aided engineering). Among them, the mold surface automatic springback compensation design module 1 completes the automatic springback compensation design of the blade mold surfa...

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Abstract

The invention provides a concrete mixing blade die-face design system and a method based on springback compensation, which comprises three modules, that is, a die-face automatic springback compensation design module based on numerical simulation, a die-face CAD reconstruction design module, and a die-face correction module based on reverse engineering, thus a concrete mixing blade die-face CAD-CAE-CAD integrated system based on the springback compensation is formed, and geometric errors produced after the blade being formed are required to satisfy design requirements on the level of numerical simulation, thus reducing correction times; and the process of converting a CAE model after a virtual die repair into a CAD geometric model which can be designed and manufactured is finished, a digital model after the blade being actually pressed is acquired by utilizing a reverse engineering technology and then is compared with the required design shape of the blade, and springback deviation is obtained so as to be used for guiding the actual die repair process of the blade, thus correcting the residual springback deviation and further improving the precision of the springback compensation on the basis of numerical simulation springback compensation.

Description

technical field [0001] The invention relates to a system and method for designing a mold surface of a concrete mixing blade based on springback compensation, and belongs to the technical field of mold surface design for stamping parts. Background technique [0002] At present, when stamping parts are stamped and formed, although reasonable process conditions are selected, such as blank holder force, die clearance, lubrication conditions, etc., and a reasonable die structure is adopted, due to the elastic recovery of the metal sheet after the external load is removed, the It will lead to the rebound deformation of the stamping parts, which will seriously affect the shape and dimension accuracy and product quality of the product. Therefore, under the premise of reasonable process conditions and mold structure, how to design the springback compensation of the mold surface and improve the product precision is an important content in the design and manufacture of stamping dies. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 陈炜陈红辉谢俊岳陆游吕盾戴峰泽
Owner JIANGSU UNIV
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