An Adsorption Method for Rapid Assembly of Virtual 3D Components

A virtual three-dimensional, component technology, applied in special data processing applications, image data processing, instruments, etc., can solve the problems of cumbersome operation, difficult to accurately locate, not intuitive, etc., to achieve clear algorithms, improve efficiency, and robust results Effect

Active Publication Date: 2016-04-27
XIAMEN UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to provide an adsorption method for rapid assembly of virtual three-dimensional parts that can improve the efficiency and quality of virtual assembly in order to solve the problems of unintuitive, cumbersome operation, and difficulty in precise positioning in the existing virtual assembly interaction mode

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  • An Adsorption Method for Rapid Assembly of Virtual 3D Components
  • An Adsorption Method for Rapid Assembly of Virtual 3D Components
  • An Adsorption Method for Rapid Assembly of Virtual 3D Components

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Embodiment Construction

[0026] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.

[0027] see Figure 1~4 , an adsorption method for rapid assembly of virtual 3D parts: the user first selects the parts to be assembled from the model library, and then manipulates (translates, rotates) the current parts to be assembled in the scene through input devices such as keyboard and mouse, The system first analyzes the shape of all parts in the scene, divides them into basic surfaces (cylindrical, conical, plane, etc.) and classifies them according to the orientation; The supporting surface of the assembled parts; then define and calculate the adsorption energy of the parts to be assembled according to some important characteristics and requirements of the virtual assembly process of the three-dimensional parts, such as symmetry and alignment, and finally determine the optimal Assembly orientation. See the specific process figure 1 .

[00...

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Abstract

The invention discloses a snapping method for virtually and quickly assembling three-dimensional components, and relates to methods for assembling components of products. The snapping method includes that a user selects a component to be assembled from a three-dimensional component library; the user controls a movement path of the component in an assembly scene by the aid of input equipment; a system analyzes shapes of all three-dimensional components in the assembly scene, main features and attributes of the three-dimensional components are extracted, surfaces of the three-dimensional components are divided into basic shapes, and the basic shapes are further divided into a basic surface category, a support surface category and a side surface category according to different orientations of the basic shapes; a potential support surface is determined; snapping energy is defined and computed; the optimal assembly direction is computed; and the user actuates assembly instructions via the input equipment, and the component to be assembled is automatically assembled at a computed snapping position. The snapping method for virtually and quickly assembling the three-dimensional components has the advantage that the virtual assembly efficiency and the virtual assembly quality can be improved.

Description

technical field [0001] The invention relates to a method for assembling product components, in particular to an adsorption method for rapid assembly of virtual three-dimensional components. Background technique [0002] Assembly is an important part of product design and manufacturing. The assembly performance of products directly affects the cost of product design and manufacturing. According to statistics, the cost of product assembly accounts for about 20% to 50% of the entire production cost (Liu Jianhua, Yao Qun, Ning Ru Xin. Research on Virtual Assembly Process Planning Realization Technology. Chinese Journal of Mechanical Engineering. 2004, 40(6):138-143.). The goal of assembly design is to improve the quality and efficiency of the product assembly process and reduce the manufacturing cost of the product by improving and re-planning the product design. Assembly design includes assembly line planning, assembly layout planning, assembly sequence planning, assembly path...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50G06T19/00
Inventor 林俊聪高星廖明宏
Owner XIAMEN UNIV
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