Ultrasonic sensors for high-precision POLYURETHAN flow front detection

Inline congealing analysis with Moldsonics ultrasonic technology

With Moldsonics sensor technology, it is possible for the first time to detect the PUR flow front without contact - a real benefit for our customers in terms of process reliability and surface quality.
Clemens Kastner

Head of Business Development Automotive & Mobility, ENGEL AUSTRIA GmbH

Screenshot 2025 10 09 154322 Moldsonics PUR fleece front detection

The challenge

During PUR flooding, the flow front moves very quickly and is difficult to detect reliably. At the same time, no sensor imprints may occur on visible components - a combination that pushes conventional measuring methods to their limits.

Solution

The MoldFront sensor system detects the PUR flow front without contact and enables the venting needle to be closed precisely - for maximum process reliability and a flawless visible surface.

Result

none

Sensor imprints

< 5ms

Detection time

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