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        1. Industry applications

          Car rear cover

          HOLON3DS measurement system through in of surface and around placed logo points, from different of angle and location for shooting, get must number of photos, after image processing, and logo points of positioning, and coding of recognition, eventually relies on these logo points reconstruction out tail door of key points three dimensional coordinates, thereby can on tail door of key points of distance for measurement and obtained this based Shang of other information.

          Practical problems

          Need rapid access to three-dimensional digital model of the vehicle door, testing vehicle door plastic deformation of plastic parts and plastic parts and metal parts Assembly error.Vehicle door surface quite a few, larger deformation, and all face grooves come in all shapes, very complex, it is difficult to determine what is causing the metal parts and plastic parts, plastic pieces fit uneven gap surface height deviation causes.

          Hualang solutions

          Pre-1, measurement of secondary preparation
          Scanner in before work, you need to place the scanner in the appropriate scanning environment, the light should not be too strong, and too dark, and integration with the environment, General Office environment.Clean surfaces remain to be discovered, the grease stains, dust-free.
          2, place the object to be discovered
          Due to the door Assembly larger, thinner wall thickness part location, placement of the free State will bring about a certain degree of deformation, have an impact on measurement results.And scanning measurement need photographing on the measured object from different positions, so you need to consider the placement of the objects to be discovered.Follow the principle:
          (1) easy to scan;
          (2) does not produce deformations and ease of operation and improve efficiency.

           

          Sticker (Figure 1)

          Sticker (Figure 1)

           

          3, detected surface paste coding, non-coding
          HOLON3DS measurement system through in of surface and around placed logo points, as Figure 1 paste has logo points of door pictures by shows, then from different of angle and location for shooting, get must number of photos, after image processing, and logo points of positioning, and coding of recognition, eventually relies on these logo points reconstruction out door of key points three dimensional coordinates, thereby can on door of key points of distance for measurement and obtained this based Shang of other information.Non-coded signs point to a high contrast of black with white polka dot printed matter of special materials, thickness 0.2mm, adhesive on the back, and can easily be attached to the test surface.Non-coded signs point position according to the test requirements of the post, posted on the door's surface where you need to detect deviations.For thinner thickness prints its materials, should be attached to the surface relatively flat position and workpiece surface clean the grease stains, dust-free.
          Coded reference point according to the design of binary digits that can be used to image recognition system to identify its unique ID code.Materials using magnetic rubber, can be easily adsorbed on the surface of iron and steel, and can be reused.Coded mark point thickness between 1~2mm.As chart 2 non-coded mark point and coded mark point shown in.

          HOLON3D white light scanner quickly scans the vehicle door, get a high density point cloud information, fast and precise access to car doors complete the scan data, including product detail parts clear performance.By reverse design engineer under high-density point cloud data to distinguish the key parts and defects of the product itself to ensure that product design meet the processing logic.

           

          Three dimensional scans

          Three dimensional scans

           

          Data interface of the scanner scans a wide range, and can be directly compared with the original model of analysis and reached the doors deformation measurement of plastic, metal, sectional deformation analysis and testing, physical Assembly of Assembly drawing and the original model of scanner data analysis and testing.Also can on scan data for remodel, proceeds data can import Pro/E, and UG, mainstream reverse software in the for late processing, uses CATIA, professional of built die software for II times design, came of data can in UG, and Pro/E, software in the directly for programming, in processing machine Shang using, greatly shortened past paint and design of time, and get of results more intuitive, and science, and credible, greatly increased a times success rate.

           

          Three dimensional detection

           

          Three dimensional detection

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