Automotive & motorsport
profile of inner liner material is measured immediately after the calender using the thicknessCONTROL TIP system. Accurate precision of the non-contact optical system ensures high quality and security of the product produced. Being equipped with optical sensors, systems of the TIP family are designed as O- and C-frames. Temperature fluctuations of the measuring mechanics are also detected using distance and temperature sensors and are therefore algorithmically compensated.
NON-CONTACT INLINE PROFILE MEASUREMENT OF TREAD STRIPS
The profilometer of the
thicknessCONTROL.TTP series accurately provides non-contact measurement of the thickness profile of tyre tread or side walls during the extrusion process and therefore enable efficient control during production, as well as fully documented quality control. TTP systems are equipped with optical sensors and have an application-specific operators’ front end which provides all necessary data regarding the organisation of the extrusion process of running surfaces and side walls.
OFFLINE PROFILE THICKNESS MEASUREMENT OF TREAD STRIPS AND SIDE WALL MATERIAL
The profilometer thicknessCONTROL TCP8301.T-Offline is used for sampling regarding the extrusion process of treads, side wall and inner liner material. The system offers high precision measurements and therefore enables efficient production as well as fully documented quality control. The system is equipped with optical sensors and has an application-specific operators’ front end which provides all necessary data regarding the organisation of the extrusion process of treads and side walls.
The TCP8301.T-Offline is based on laser triangulation sensors and therefore ensures the measurement being independently from material constants. In order to ensure highest precision, the laser beams of the sensors are accurately adjusted during the production process using optoelectronic tools which have been specially developed. Offering easy operation, the system provides an in-situ calibration unit and ensures high precision.
NON-CONTACT INLINE LENGTH MEASUREMENT OF TREAD STRIPS
For tyre production, tread strips are cut from the extruded strip material. The TLS 8303.I optical testing system is applied in the extrusion line to measure the length of the strips immediately after the cutting machine in order to ensure a secure production process in high quality. At the TLS 8303.I, rubber strips for tyre production are inspected for their profile and length characteristics. Two cameras record the cutting edges of the strips. Deviations from the nominal cutting edge are detected by an intelligent composition proceedings. The cutting edges are compared to each other in order to evaluate the strip lengths. Therefore, the pictures are revalued using a stabiliser filter and different algorithms.
INLINE INSPECTION OF COLOUR CODES ON TREADS The TCC 8303.I system marks the running surface which is output after the extruder, inspects the colour lines for their completeness and measures the width of the running strip. The integrated TCC 8303.I system was developed for the inspection of colour codes on running surfaces of tyres. The cartridges for the marking are inserted in a holder. A pneumatic height adjustment and servo-controlled horizontal positioning ensure a straight line and optimal position of the code lines. The colour code is immediately inspected by an image processing system.
Micro-Epsilon
www.micro-epsilon.co.uk Instrumentation Monthly February 2026 23
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