WCN Spring 2010

Research and production in China Tianjin Hengjiu Tongda Machinery Co Ltd is a high technology enterprise based in Tianjin, China, involved with the design, development, production and service of production equipment for pre-stressed steel wire. The company is involved with research and development into new processes, new equipment and new technology. Tianjin Hengjiu Tongda Machinery has a strong technical force and works in cooperation with national science, technology and design institutes. Areas where Tianjin Hengjiu Tongda Machinery Co is involved in research and manufacture include PC steel bar production, low-relaxation PC steel wire production, low-relaxation PC steel stranded wire stabilisation treatment, straight line-type wire drawing machinery, retarded adhesive pre-stressed steel stranded wire production, unbonded PC steel bar production lines, and lines for oil-hardened and tempered spring steel wire production.

The business objective of the company is one of continuous innovation, advanced technology, service and quality.

Tianjin Hengjiu Tongda Machinery Co Ltd – China Fax : +86 22 2698 1345 Email : liuhaifeng188@sina.com

Electrostatic powder coating from Schlicht Rolf Schlicht’s electrostatic powder coating machine model RSC was designed for an even, finely dosable and dust free powdering of cables, wires, hoses, profiles with powders such as talc, stearate, lac and swellable powder. Due to the electrostatic charging of the powder an even and strongly adhered layer is achieved on the product surface. The electrostatic charge also ensures that no powder will fall outside of the dusting chamber. Depending on extrusion speed and product diameter up to four powder guns of 100kV each can be used.

Rolf Schlicht can supply machines for product diameters up to 200mm. Each machine is manufactured to corres- pond to the desired extrusion speed and diameter. The machine features a fluidised powder hopper from which the powder is sucked by pneumatic venturi pumps and then blown to the guns. For optimal adjustment of the powder quantity the power of the electrostatic charge can be varied from 0–100kV. Depending on the product the powder gun can be equipped with different powder nozzles. A fine dosing device is also available. The machine is fitted with a fully automatic and maintenance-free filter system that maintains a strong and constant vacuum in the machine. Inlet and outlet openings of the dusting chamber do not have to be sealed by brushes. A free standing dusting chamber is available for use where space is limited; this is connected to the machine by hoses. Available accessories for the machines include an automatic 90l powder refilling hopper, a powder flow indicator with alarm, automatic adjustment of the electrostatic and pneumatic to comply with the extrusion speed, and an interface to connect the machine to the line.

wire Düsseldorf stand: 12A35

Rolf Schlicht GmbH – Germany Fax : +49 40 67 99 4211 Email : info@schlicht-gmbh.de Website : www.schlicht-gmbh.de

Model RSC electrostatic powder coating machine ▲ ▲

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WCN Issue N° 42 www.iwma.org