Temperature Controller teco cs 230t 9
For Temperatures up to 225°C
gwk Gesellschaft Wärme Kältetechnik mbH, Meinerzhagen, Germany, presents a ready-to-connect heating and cooling unit for the processing of high-performance plastic materials. The company extended its proven teco series with the new high-temperature controller teco cs 230t 9 that was designed for the operation with water as circulation medium.
In the past manufacturers of small precision parts out of high-performance plastic materials as for example PEEK were facing the challenge to optain optimum part properties with mold wall temperatures of 200°C and more as for the mold heating and cooling on such a high temperature level predominantly thermal oil units had to be applied. the restricted heat transfer properties of this medium limited the reachable mold wall temperature in the cavities because of the available heat transfer surface in the often smaller injection molds and the high radiation due to the high temperature level. Consequently the increased reject rates with simultaneously high material costs reduced the economic efficiency and increased the requirements for quality assurance.
With the new high-temperature controller teco cs 230t 9 these problems can be overcome. The closed water circuit allows process temperatures up to 225°C. A seal-less stainless pump with magnetic coupling was installed as well as pipes and a stainless steel tubular heat exchanger. The automatic pressurization and pressure control provide a safe operation free from evaporation at high temperatures. An automatic high-pressure water top up has been developed for coninuous operation during evaporation losses in the circulation medium circuit in order to eliminate conventionally necessary process standstoll.
By means of the new teco cs 230t 9 the advantage of the good heat transfer properties of water can be used to increase the economic efficiciency of processing high-performance plastic materials in a process reliable way and to open up new areas of application.
gwk Gesellschaft Wärme Kältetechnik mbH
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