From development to production maturity

GERLACH Maschinenbau GmbH develops, manufactures and distributes special machines for the rubber and automotive supplier industry. In addition to the high in-depth production, GERLACH also performs the entire development and the machine distribution.
You are looking for the ideal cross-linking process for your new, complex product or the right heating strategy due to increasing demands on environmentally friendly and efficient production processes?

We will soon be offering you the opportunity for tests, training courses and trials in our new technical center. There you will find an extensive machine park for trials. With our new, complete vulcanization line consisting of extruder, IR-pre-shock, shock channel with microwave, hot air channel, cooling channel and haul-off caterpillar, we can validate your product and sound out limits, also together with you. Customer mixes and extrusion tools are included in the validation in order to provide proof of production in continuous curing processes.

In addition, you will have the opportunity to investigate the heating behavior of product and material samples with small and compact units, also with our latest technologies. Do you want to test these new technologies in your production? We also make many machines available to you for tests in your production. The latest technologies can thus be tested under real conditions. Just get in touch with us.

We are committed to strategic partnerships

From the idea to the production phase we cooperate with independent and scientific partners. Already at the very early phase of the manufacturing process, we rely on the experience and competence of renowned institutes. TÜV Rheinland, for example, carries out series accompanying measurements at our production site. GERLACH works together with colleges and universities on joint research projects, to make the machines even more efficient and resource-saving. Close cooperation exists e.g. with the University of Paderborn. In 2016, the expert magazine GAK published a paper on the topic of “Holistic energy concept for hot-air vulcanization using innovative air guidance and heat transfer”.

View PDF reprint GAK 2016


Hot air shock channel type 111

With the diverse options of our hot-air shock channel type 111, we offer a compact and flexible unit. By using special materials, shock temperatures of up to 550 °C can be generated. The accelerated hot air flowing turbulently in the duct generates the fastest possible heat transfer. For further performance improvement, all our pre-shock variants can be optionally added.

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Cooling channel type 179

Specially designed surge nozzles characterize our cooling channel type K179. Even in extremely polluted and calcareous water, the cooling function is maintained by the permanent water flow. Additional stowages allow the profile to be submerged and guarantee good heat dissipation. The built-in blow-off stations with rigid and flexible nozzle systems ensure perfect drying even for complicated profiles. The use of heat exchangers for connecting existing cooling systems is self-evident.

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Removal caterpillar BA 400

Suitable for the continuous withdrawal of rubber profiles (with and without steel reinforcement), hoses or smaller plastic profiles.

Belt extractor BA 400, developed for a flexible production process, ensuring safety regulations in accordance with EU directives. A comprehensive safety concept protects man and machine against injuries and damage.

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SHF 147

With the integrated exhaust air purification (PCT) and the tried and tested recirculation system, the SHF 147 shock channel is an efficient high-performance system. Designed for high production speeds, this plant technology is predominantly used in automotive profile extrusion. The modular construction in 3 m zones consisting of shock, microwave and hot air zones is supplemented by additional options, such as selective profile transport via driven rollers or conveyor belt, as well as other additional functions. As a result, you get a smooth and matte profile surface, fine cell structure with moss rubber, as well as fast solidification of the profile geometry.

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Pre-shock type P 158

Through the use of special short-wave infrared radiators, excellent profile surfaces as well as early dimensional stability with solid and moss rubber products are achieved. Characteristic for this machine is the radiator arrangement in four different planes and thereby a selective possibility of the 360 ° pre-crosslinking of the product. The machine equipment and very good power modulation, in the range 0 – 100%, enable high flexibility in production operation. For the support of the profile, removable guide rollers can be used with the possibility of an axial distance adjustment depending on the profile sag. The IR radiators are protected in all levels by special glass panes and the integrated cooling also ensures an increase in the service life.

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Special solutions for production of siliconized and rubberized cables and wires.


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