Tire Bead Compression Machines
Quickly check tire bead characteristics

The stretching force of a tire bead depending on the diameter is particularly important in the assembly and practical use of a wheel. The new generation of the tire bead compression machine type WKM-B4 checks quickly and efficiently whether the bead parameters are within admissible limits as well as the tire bead characteristics.


Measuring rim segments:

A different set of rim segments must be used for every bead nominal diameter. Every set consists of eight rim segments. A calibration ring is provided for every diameter for setting the segments to the nominal diameter. The measuring rim segments are designed according to WDK-116.


Measuring stand:

The holder of the tire bead detection machine exactly simulates a rim half. Eight radially moving rim segments are expanded outwards to the specified limit synchronously by a hydraulically operated traction cone. The produced bead pressing force is measured by four 90° offset special DMS force sensors. The curve of the bead pressing force is displayed dependent on the diameter in the touch panel graphic monitor. The rim segments are arranged so that easy loading and unloading of the tire is ensured.



Our variants of tire bead compression


We offer the following types of machines for tire bead

compression tests:

Options of tire bead compression machines

The tire bead compression machines can optionally be equipped with 4 or 8 measuring sensors.

Your contact

Your competent contact for Tire Testing Machines

Tire Industry

Michael Hierse
+49 6242 904-160

Send an E-Mail

If our offer of tire bead compression machines has convinced you, please use our inquiry form. We are looking forward to your inquiry.

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