Measuring systems for the tire industry record key parameters in production

High-precision online and offline measurements of the profile, thickness, length, width, color and weight make a major contribution to quality assurance, process control and waste reduction.

Function

Light section sensors measure the external geometry of the running product (tread, sidewall). The granite frame onto which the sensors are mounted offers high temperature stability and reduced vibrations for highly accurate profile measurements. 

Area of use

The online profile measurement system is used primarily in extrusion systems for the continuous inspection of treads and side stripes as well as inner liners. In hot areas, the profile measurement is used for production control in order to detect deviations from the specification as early as possible and alert the PLC. In cold areas, the profile measurement system provides optimum quality control and documentation.

Application

The TriScanOnline light section system for profile measurement is used for process control in the extrusion line after the extruder and/or at the end of the cooling line for quality assurance. The granite frame reduces the thermally induced expansion many times over.

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Function

Two or three point-type laser sensors (depending on the required accuracy) traverse the running product (tread, sidewall, inner liner, cord) and measure its external geometry.

Area of use

In the DIE shop, profile measurement is used for DIE optimization and documentation, while the profile measurement system is used in test laboratories and in extrusion lines for quality assurance and documentation purposes.

Application

The tread length measurement system is operated in DIE shops, test laboratories or in extrusion lines in a temperature-controlled measuring cabin.

 

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Function

Two synchronized cameras image the ends of the cut product (tread, sidewall). The edges are detected in the image with the aid of a special algorithm. The length of the measured tread can be determined by the length measurement system on the basis of the prior calibration of the two cameras to each other.

Area of use

The length measurement system is used at the end of the extrusion line for quality documentation and for sorting out material that is outside the tolerance limits.

Application

The LScan length measurement system is installed after the skiver. Due to material shrinkage, it is recommended that the measurements are taken as close as possible before the booking station. Only at this point has the tread almost reached its final length.

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Function

A triple-chip CCD camera compares the colors applied to the product with the nominal color sample. This makes it possible to detect irregularities in the color application.

Area of use

The ColorCodeReader is used after color application for quality documentation and process control. In addition, it is also used to trigger alarms if colors are applied incorrectly or in the wrong location.

Application

ColorCodeReader is installed immediately after the color application.

 

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Function

One or more sensors measure the product thickness in one or more locations. Here, there are many different ways in which this system can be used: From fixed or manually/automatically approachable measuring points, differential measurements or measurements against a reference measuring roller. 

Area of use

Thickness measurement systems are mostly used in calender lines or roller head calenders and after calendering in order to check the thickness and adjust the calender gap.

 

Application

Thickness measurement systems can be installed in almost any position in roller head lines, calender lines and extrusion lines.

 

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