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Application history of 3D scanning:
solving various tasks in real production facilities
Reverse engineering, geometry control, non-contact measurements, creation of equipment for scientific experiments, virtual museums, product design and other applications of 3D scanners

Quality control of cast parts with RangeVision Standard+

Using the RangeVision Standard+ 3D scanner has helped Dolsatech optimize the quality control process.
Dolsatech, a partner of Iveco and Porsche in Italy, was tasked with more effectively monitoring the quality of cast parts from Chinese suppliers before they were shipped to production. Initially, classic CMMs were used for this purpose, which did not meet the customer’s expectations in some parameters:
  • speed of operation
  • inability to capture the entire surface of parts
  • difficult work with parts of complex shapes.
The company was looking for an easier-to-use system with more throughput for part geometry control and tolerance compliance.

The RangeVision PRO 3D scanner, Standard+ model, operating on the principle of structured illumination, was chosen as the tool for solving this problem. This 3D scanner works with an accuracy of 0.03 mm and a resolution of 0.05 mm and is suitable for working with objects of various shapes and sizes.

Unlike classic CMMs, which are located in specially equipped laboratories where all parts must be transported for inspection, the RangeVision 3D scanner is mobile. By starting to use it, the company was able to scan on its territory, without transporting parts to the laboratory, and reduced its logistics costs. The 3D scanner can be easily placed in both production and warehouse premises. To minimize time costs, the parts are scanned in an optimal location from a logistical point of view. Due to its adaptability, the RangeVision Standard+ 3D scanner allows you to select the optimal scanning area and get a high-quality final 3D model of an object of any size. In this case, a 300×225×225 mm scanning area was used to scan a large part measuring 1.7m x 0.72m.

Before scanning, markers were applied to the part, due to which the stitching of individual scans took place in fully automatic mode, which greatly simplified and accelerated the task. The entire process of creating a 3D model took place in the ScanCenter software included in the RangeVision scanner package.
Rangevision ScanCenter
It took less than 4 hours to fully scan and create a single 3D model of the largest part.

The resulting scan model is transferred by Geomagic for comparison with the original CAD model. It took less than 1 hour to analyze and generate the report.
Geomagic
As a result of comparing the obtained model and the original CAD file, compliance with the tolerances was revealed.

Using RangeVision Standard+, the company was able to reduce the time spent on controlling one part by more than 60%, speed up the process of transferring parts to production and completely eliminate parts from entering the production cycle with non-compliance with tolerances on all surfaces.
The resulting 3D model

3D scanner in this project

Standard
Discontinued optical 3D scanner
Accuracy up to 0.15 mm
Resolution up to 0.05 mm

All cases with a Standard 3D scanner