Measure rubber profiles out of the extruder die

ERJ staff report (DS)

Würselen, Germany, -- At the recent Fakuma fair, Pixargus presented the first inline measurement system capable of measuring technological profiles at high ambient temperatures. The system was developed specifically for use directly downstream of hot extrusion tools and curing furnaces. This makes it an ideal solution, says Pixargus, for the measurement of rubber profiles directly downstream of the extruder. In rubber profile extrusion lines it can be installed directly before or behind the curing channel.<

Pixargus recently supplied the first 360 degree inline profile measurement system of the ProfilControl-Dimension HT-740 series to a leading German manufacturer of rubber profiles for the automotive industry. In combination with a second measuring head installed at the end of the extrusion line it is possible - virtually in no time - to establish automated correlations between the initial dimensions at the extruder and the final dimensions at the end of the line. In this way the operators know minutes in advance whether a profile will have the correct size at the end of the extrusion line or whether it is necessary to intervene. If deviations are detected in the extrusion or curing zones, the system can be configure to send alarm messages to the operator or influence the process through an automated control procedure.

Four cameras arranged around the profile scan the complete contour of the extruded profile, measure the contour and calibrate it against the contour of a reference profile.

The high-temperature system is based on the Pixargus “ProfilControl-Dimension” series, which has proven successful worldwide at leading manufacturers of rubber and plastic profiles.

The system is available in a closed version and with an open C-frame. The latter version can be introduced into the production line at the desired position while the extruder is running.

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Press release from Pixargus