Rail transit ships

XTOP3D offers advanced 3D scanning and industrial photogrammetry solutions tailored for the rail transit and marine industries. By combining XTOM blue light 3D scanners with the XTDP photogrammetry system, the solution delivers metrology-grade accuracy for complex tasks, including subway body inspection, yacht reverse engineering, and ship repair maintenance. It enables fast dimensional quality control, deviation analysis, and high-quality 3D digital modeling to streamline manufacturing and maintenance.

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  • Quality Inspection

    Quality Inspection

    Using the XTOM blue light 3D scanner + XTDP 3D photogrammetry system, we can obtain the 3D data of the appearance of rail transit vessels and their components, and generate a 3D model. By comparing it with the digital model, we can obtain a deviation chromatogram and come up with a complete correction plan, greatly improving the detection efficiency.
  • Reverse Engineering

    Reverse Engineering

    Use the XTOM blue light 3D scanner + XTDP 3D photogrammetry system to obtain spatial data of the object surface (CAD model represented by dense point cloud data), accurately reflect the current structural status of the measured product, and effectively assist in product design.
  • Maintenance

    Maintenance

    Using the XTOM blue light 3D scanner + XTDP 3D photogrammetry system, the 3D scanning data is compared with the product digital model to obtain a visual analysis report, which can timely identify worn areas and provide a data basis for the maintenance and repair of rail transit ships.
Empowering Scenarios
  • The subway car body is a thin-walled sheet metal stamping part with large size and many free-form surfaces. In order to effectively control the global cumulative error of 3D scanning, a 3D measurement solution combining blue light 3D scanning and photogrammetry is adopted to achieve high-efficiency and high-quality dimensional detection.
    Subway body inspection

    Subway body inspection

  • The XTOM blue light 3D scanner + 3D photogrammetry technology can obtain the overall geometric shape of the yacht. Combined with professional 3D reverse engineering software, it can create high-quality 3D models to assist in the optimization, modification and innovation of the hull, cabin and interior structure design.

    Yacht reverse engineering

    Yacht reverse engineering

  • The XTOM camera-type blue light 3D scanner has built-in 3D industrial photogrammetry to complete overall spatial positioning, eliminate the cumulative error caused by measuring large-size workpieces, and ensure measurement accuracy. It is suitable for all aspects of ship product development, reverse engineering, production and manufacturing, maintenance and repair.

    Shipbuilding and repair

    Shipbuilding and repair

  • In the field of rail transit, blue light 3D scanning + industrial photogrammetry technology can be used for precise measurement of vehicle bodies and structural castings; quality inspection of welded parts and welds can intuitively display weld position, shape and size information; and comparison of design models and scan data can be used for assembly position detection.
    Rail transit component inspection

    Rail transit component inspection

    • Application Cases
    • Application of industrial 3D scanner and photogrammetry in subway car body 3D inspection
      Application of industrial 3D scanner and photogrammetry in subway car body 3D inspection
      The subway car body is large in size, so the XTOM blue light 3D scanner is used in conjunction with global photogrammetry. Global photogrammetry is used to obtain the spatial positioning points of the car body. Then, the XTOM blue light 3D scanner is used to obtain 3D data of the local complex contour areas, and the complete 3D data model of the car body is generated by scanning.
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    • Large-format 3D scanning and 3D photogrammetry technology for 3D modeling and reverse engineering of ships and yachts
      Large-format 3D scanning and 3D photogrammetry technology for 3D modeling and reverse engineering of ships and yachts
      For various yacht components—such as complete hulls, curved cabin structures, propellers, and fiberglass skins—the XTDP 3D photogrammetry system rapidly captures 3D surface coordinate data. It facilitates point cloud acquisition, model reconstruction, dimensional verification, and design optimization. By addressing industry pain points—including insufficient accuracy and low efficiency in reverse modeling, as well as measurement limitations for large components—the system empowers yacht manufacturers to accelerate replication and modification, new product development, domestic substitution, and quality upgrades.
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    • High-precision 3D scanners and 3D photogrammetry facilitate 3D modeling and inspection in shipbuilding and maintenance
      High-precision 3D scanners and 3D photogrammetry facilitate 3D modeling and inspection in shipbuilding and maintenance
      The XTOM blue-light 3D scanner features an integrated industrial 3D photogrammetry module, enabling simultaneous global spatial positioning and high-density surface scanning in a single unit. This eliminates cumulative stitching errors and balances large-scale global accuracy with the ability to capture intricate surface details. By seamlessly connecting the stages of product development, reverse engineering, manufacturing, and maintenance, it provides shipyards with a comprehensive, one-stop digital 3D measurement solution.
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    • blue light 3D scanner, industrial 3D scanning system, high-precision 3D scanner, XTOM-MATRIX, structured light 3D scanner, 3D metrology inspection, non-contact 3D measurement, optical 3D inspection, reverse engineering scanner, GD&T inspection software, 3D surface scanning, micron-level 3D scanner, automated 3D inspection, plastic parts quality control, casting 3D inspection, sheet metal 3D scanning, mold design verification, 12MP 3D scanner, triple scan technology, XTOP3D
      Featured Products

      High-Precision Blue Light 3D Scanning System

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    • Shenzhen Address：
      Orbbec Technology Building, No. 88 High-tech North 1st Road, Nanshan District, Shenzhen, China
    • Xian Address：
      1&2 F, Building 10, Phase II, Fengdong Free Trade Industrial Zone, No. 2168, Zhenghe 4th Road, Fengdong New Town, Xixian New District, Xi'an, China
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    • XTOP 3D Technology (Shenzhen) Co., Ltd.
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