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Online detection system and method suitable for surface quality of architectural 3D printing parts

A surface quality, 3D printing technology, applied in measurement devices, optical testing of flaws/defects, analysis of solids using sonic/ultrasonic/infrasonic waves, etc. Effect

Active Publication Date: 2022-04-15
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the system and method for online non-destructive testing of the surface quality of printed parts in the process of architectural 3D printing is still blank.

Method used

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  • Online detection system and method suitable for surface quality of architectural 3D printing parts
  • Online detection system and method suitable for surface quality of architectural 3D printing parts
  • Online detection system and method suitable for surface quality of architectural 3D printing parts

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Embodiment Construction

[0046] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0047] An example of the present invention provides an online non-destructive testing system and method for air hole defects, geometric dimensions, deformation and cracks in architectural 3D printed parts, which is characterized in that the system includes a signal acquisition unit, a defect extraction unit, a defect identification unit and defect feedback processing unit.

[0048] The signal a...

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Abstract

The invention relates to an online detection system and method suitable for the surface quality of building 3D printing parts, belonging to the field of online non-destructive testing of building components. The system includes four parts: signal acquisition unit, defect extraction unit, defect identification unit and defect feedback processing unit. The defect extraction unit and the defect identification unit convert it into a digital signal, and use it to identify whether there is a defect in the component and the type and degree of the defect; if there is a defect, the defect feedback processing unit calls the corresponding processing instructions to adjust and control the printing process. The invention can carry out online non-destructive testing and timely early warning and intervention, maximize the printing success rate, reduce construction costs and improve automation, promote the engineering application of 3D printing technology in the construction industry, and benefit the high-end construction industry and intelligent construction. develop.

Description

technical field [0001] The invention belongs to the field of online nondestructive testing of building components, and more specifically relates to an online nondestructive testing system and method for the surface quality of building 3D printing parts, which is suitable for the detection of air hole defects, geometric dimensions, deformation and cracks in building 3D printing parts . Background technique [0002] 3D printing technology, also known as additive manufacturing technology (Additive manufacturing), is an "additive" high-end digital rapid construction technology based on the design of three-dimensional CAD models and based on the principle of layered manufacturing and layer-by-layer forming. Among them, the architectural 3D printing technology that combines 3D printing technology with concrete is bound to promote the industrialization, informatization, integration and intelligence of the construction industry. [0003] Although, due to the unique rheological prop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/32G01B21/00G01N29/04G01N21/88G01N21/956
CPCG01B21/32G01B21/00G01N29/04G01N21/88G01N21/95607G01N2021/95615
Inventor 骆汉宾杨晶晶刘世平李国卫徐捷安文博
Owner HUAZHONG UNIV OF SCI & TECH
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