VISION TIRE SYSTEM 3D
An innovative three-dimensional vision system to reconstruct a 3D model of the tire in test and operates specialized algorithms for every different issue on the tire.
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No Project Too Big Or Too Small
At Tekna, we leverage our extensive experience to design and install custom vision and control systems tailored to enhance your manufacturing processes. By integrating advanced technologies and automating key control points, we provide solutions that optimize performance, reduce errors, and improve overall efficiency. This comprehensive approach ensures that every tire produced meets the highest levels of reliability and performance.
Years Established
Completed Projects
Defects Detection
Tire defect detection
Detection, classification and measurement of all surface defects present on the entire tyre, based on 3D acquisition via laser profilametry, sophisticated specific image processing software and classification based on artificial intelligence algorithms.
Tire bead wire assembly quality control
Quality control of the pneumatic bead assembly, carried out in line and during the phase of placing the rubber on the bead. The check verifies the correct junction and distribution of the rubber on the circumference of the bead core, and is carried out using 3D vision systems for measuring the thickness of the rubber and the junction.
Check of color bands on the production line tire treads
Verification of color band control on the tire tread band production line. Control is carried out using RGB color cameras. The software verifies the correspondence of the colors and their positioning with respect to the edges of the lese, in accordance with what is required in the recipe.
Quality check of the lese coupling of rubber tires
For the quality check of the lese coupling of rubber tyres the system uses a high resolution 3D camera and a laser which are integrated to create a custom profilameter able to analyze the entire width of the LESA and to check if the joints performed, both along the edges and in the central part of the LESA, have been performed correctly. The checks are carried out in-line at a speed of 40m / mi and on a LESA width of 800mm.
Damaged tire lese of rubber tires check
Check damaged defects, such as folds, lack of material, scuffing, with the use of 3D cameras and ad hoc developed software for the reconstruction and recognition of defects.
Reading of the pneumatic DOT code and checking the correct rim / tire coupling
The system makes it possible to verify both the correctness of the DOT Code and the type, design and color of the rim with which it has been coupled. The control uses RGB cameras, 3D profilameter, OCR software and 2D and 3D image processing developed using neural networks.
VISION TIRE SYSTEM 3D – LETTERING
In tire production a critical phase is the lettering procedure.
During this inspection step it is checked whenever all the writings and symbols imprinted on the tire are correct and well placed. For those international normative that require the presence of defined symbols and writings on the surface of the tire and for the customer perceived quality of the tire itself, the lettering control is a crucial procedure in the tire production process.
Vision Tire System 3D – Lettering can read and verify automatically every kind of writing and symbols on the outside of a not inflated tire with an high efficiency and high repetibility process, replacing the manual inspection that is an high focus and high risk procedure.
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Laser Profilometry
VISION TIRE SYSTEM 3D – LETTERING uses the Laser Profilometry, a technique based on the
triangulation between a laser line and an area scan camera, that let the system have a three-dimensional reconstruction of the tire surface with one of the highest reachable resolution in a very short cycle time.
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VISION TIRE SYSTEM 3D – LETTERING taking into account the plant sheet specification of the
tire in test, consisting of a list of all the writings and symbols that have to be imprinted on the tire, verifies if all the elements on the list are correctly imprinted and placed on the tire surface. Additional controls can be operated, as the analysis of the deterioration of the
mold, where the stamp height of the characters on the tire in test is compared to the expected one. A limit tolerance can be set to raise an alert when the mold is getting dirty, deteriorated or damaged.