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Fully automated wheel test facility "HeiDetect Wheel Robot"
The HeiDetect Wheel Robot wheel test facility achieves an extremely high throughput thanks to its industrial robot and is therefore ideal for inline operation in the mass production of cast aluminium wheels. Several areas of the wheel can be tested in one testing position by using a larger detector. This benefit means that the number of handling steps can be reduced, thus shortening the test time for each wheel.

HeiDetect Wheel Robot is a fully automatic wheel test facility and, through the integration of the ISAR image evaluation software and the XEye detector developed by the Fraunhofer Institute for Integrated Circuits, allows for an almost pseudo error-free evaluation with stable image quality. Due to the efficient processing of images, casting errors such as shrink holes, pores, cavities and foreign matter can be detected and classified in the range of 3% of the radiographed wall thickness. Large areas of oxide can be detected from a size of 1% of the wall thickness.

Further benefits are the automatic wheel detection and the incorporation of barcodes. This enables the alignment of the wheels to be specified and monitor the test results. The HeiDetect Wheel Robot wheel test facility from Heitec PTS GmbH meets the latest requirements for the group of wheels and handles wheel sizes from 13” to 24”.

The ISAR evaluation software offers an ergonomic Windows-based graphic user interface via which the test parameters can be set specifically for customers. Key data can be transmitted via an existing operating data acquisition system.

Specially prepared test results are transmitted to production in real-time, thereby enabling trend analysis and continuous product quality optimization, aiming to minimize scrapping.

Reliable and efficient systems engineering

The small installation space and full enclosure mean that incorporation into the production process is possible, even in extreme conditions in mass production. The wheel gripper is designed so that wheels with a faulty rim flange can also be tested. Further functions such as lasing and labelling can also be incorporated without any problems. As the detector from the Fraunhofer Institute for Integrated Circuits shows an extremely low rate of degradation, a replacement will not be required for at least 10 years or so.

Data sheet HeiDetect Wheel Robot
Our products
Inline computed tomography
Computed tomography
X-ray technology
  HeiDetect Flex Robot
  HeiDetect Wheel Robot
Research & Development
Your benefit:
Few test positions due to large detector area (400 x 200 mm)
Permanent, stable image quality due to a degradation-free detector
Spokes and hub can be captured with a single image
No distortion and brightness variation, no reparametrization necessary 
Almost pseudo error-free detection thanks to state-of-the-art Fraunhofer ISAR image processing
New wheel types can be set up within a few minutes during the test operation
Offline remote parametrization during the operation
A single test program for multiple systems
Additional degree of freedom when positioning the wheels by using a 6-axis robot
Simple maintenance of the gripper thanks to access from outside the system
Use of a standard industrial robot for test piece handling
Test system  
Length  4.200 mm
Width  2.980 mm
Height  2.900 mm
Weight  approx. 12 t
Max. test piece weight  40 kg
Wheel diameter  13 to 24 inches
Max. wheel width  up to 15 inches
Type  XEye 4020
Active surface  400 x 200 mm
Pixel size  100 - 400 μm
X-ray tube  
Manufacturer  Comet
Tube voltage  160 kV
Tube performance  600 / 1.000 W
Detector  XEye 4020
Fully automatic data analysisg  
Fraunhofer ISAR