BIM (Building Information Modeling) platform-based numerical control machining pretreatment method of non-standard building enclosure component

A technology for building enclosure and preprocessing, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as information loss, achieve the effect of small information loss, improve accuracy and graphics conversion efficiency

Active Publication Date: 2014-12-31
HARBIN INST OF TECH
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Problems solved by technology

[0004] The invention proposes a BIM platform-based numerical control processing preprocessing method for non-standard building envelope components, which solves the problem of information loss between sub-processes in the process of numerical control processing of non-standard building envelope components, and the two-dimensional details of non-standard components The Problem of Association Transformation Between Graph and 3D Model

Method used

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  • BIM (Building Information Modeling) platform-based numerical control machining pretreatment method of non-standard building enclosure component

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Embodiment Construction

[0021] Step 1. Building geometry preprocessing

[0022] (1) Segmenting the surface of the shape: mainly adopt the UV structure line segmentation method. After inputting the set horizontal and vertical grid numbers or grid line distances in the Revit or Grasshopper platform, use the UV segmentation function to form a bidirectional structure line grid Surface shapes are automatically segmented and can be further modified later by adjusting the alignment, rotation and offset of the mesh.

[0023] (2) Make component units: In the BIM platform, create component units in the form of families. The creation process is preliminary setting, creating family framework, defining family type, creating geometry, constraining geometry to reference plane, setting visibility parameters, Save the new family and load the project to update and test. Define the family type of the building envelope as a curtain wall panel class, so that the reference planes of the plane and elevation in the templat...

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Abstract

The invention provides a BIM (Building Information Modeling) platform-based numerical control machining pretreatment method of a non-standard building enclosure component. The problem of information loss between every two sub-processes of a numerical control machining process of the non-standard building enclosure component and the problem of associated conversion of a two-dimensional detail and a three-dimensional model of the non-standard component are solved through the three steps of building geometric shape pretreatment, building component unit deep design and machining data processing and output.

Description

technical field [0001] The invention relates to a numerical control machining pretreatment method, in particular to a numerical control machining pretreatment method for non-standard building enclosure components based on a BIM platform. Background technique [0002] The rapid development of digital technology in the past 50 years has brought about major changes in scientific thinking, and people's thinking constraints on traditional scientific paradigms have been broken by emerging complexity science. The chaotic and complex characteristics of architectural form changes in today's era present diversity, heterogeneity and uncertainty, and people begin to create based on the morphological language constructed by nonlinear scientific thinking. In terms of technology, the architectural modeling platform developed from the wireframe modeling system in the 1960s to the surface modeling system in the 1970s, and broke through the technical bottleneck of solid modeling, and finally ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 孙澄杨阳夏楠曲大刚杨子孚
Owner HARBIN INST OF TECH
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