Latest Deprag air motors feature patented vane-exchange system
 | Latest Deprag air motors feature patented vane-exchange system | 16.29 KB | Download |
 Preview | (Right to left) Actum Group directors Greg Barron and director Kevin Klaff. | 1.26 MB | Download |
 Preview | A Basic Line air motor from Deprag, available locally through Dowson & Dobson Industrial, part of the Actum Group. | 157.01 KB | Download |
 Preview | The Basic Line air motor has a patented vane-exchange system that speeds up vane replacement and thereby reduces downtime. | 167.89 KB | Download |
The latest iteration of the Basic Line air motor, with its emphasis on being more service friendly as well as easier to operate, was launched in December 2014. The local market has responded well to the introduction of the new model, Greg Barron, director of the Actum Group, comments.
The range of air vane or pneumatic motors from Deprag provide an alternative for drive and control tasks in industrial applications. The Basic Line air motor, with a power range from 200 W to 1.2 kW, is a cost-effective option for uncomplicated production areas.
Deprag also has a range of sealed, oil-free operable and non-corrosive Advanced Line air motors, with a power range from 20 W to 1.2 kW, that offer high power output with the smallest possible installation area.
The Power Line range offers high start torque with an unmatched low weight, with a power range of 1.6 to 18 kW. The Individual Line comprises efficient air motors that form part of a total customised solution.
“We have successfully sold into other African countries like Zambia and Botswana,” Herman Parsons, Deprag business manager at Dowson & Dobson Industrial, adds. Deprag is constantly improving and innovating in all of the fields in which it is active. “Apart from air motors, we have also enjoyed success with screw-driving technology, as well as screw and part feeding,” Parsons notes.
Dagmar Dübbelde, air motors product manager at Deprag in Germany, elaborates that the Basic Line range features a particularly attractive price-to-performance ratio. “This is due to our patented vane exchange system,” she points out. “The vanes can be replaced in just a few movements. Another benefit of this rapid change-out is that it prevents lengthy downtime.”
Vane exchange on the service-friendly Basic Line air motors can be carried out directly on-site, without any need to disassemble the machine. Even untrained personnel can replace worn vanes quickly, as all that is required is to loosen the cylinder screws on the rear bearing cover and then to remove the rollers.
“Total maintenance can be carried out in a few minutes, which is markedly quicker than exchanging the whole motor in the system,” Dübbelde highlights. Wear on the vanes is due to the actual operating principle of the air motors themselves.
The rotor turns in the off-centre cylinder while the vanes, positioned in slots in the rotor, are pressed against the rotor wall by centrifugal force. The motor rotates as the expansion of compressed supply air changes pressure energy into kinetic energy. This produces friction between the vanes and the cylinder walls of the rotor, which in turn results in wear of the vanes themselves.
Air motors are particularly suited to use in potentially explosive environments. The Basic Line series has independent ATEX testing certification for non-mining applications in the Zone 1 (gas or dusty atmosphere) category, and for Group IIC explosive materials. The Basic Line series can be operated in a -20 °C to +110 °C temperature range.
Dowson & Dobson Industrial was acquired by the Actum Group in April 2015. The company is a leading supplier of quality professional tooling equipment, pneumatics and industrial equipment and solutions.
“The Actum Group is a dynamic organisation constantly looking for new ideas to improve its culture, product offering and customer experience. Our new venture with such a well-established and trusted business as Dowson & Dobson Industrial creates a unique new opportunity to enhance our growth,” director Kevin Klaff comments.
Ends
Notes to the Editor
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About the Actum Group
The Actum Group has diversified to become a leading importer and distributor of components, instrumentation, automation and industrial products. The original business, Actum Electronics, has been operating since the 1970s and was originally an importer and distributor of electronic components. More recently, four businesses have been acquired to form the Actum Group. These are Altico, Connecta, Peter Jones Electronic Equipment and Dowson & Dobson Industrial.
Actum Group Contact
Kevin Klaff
Executive Director
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Fax: (011) 608 1918
Email: kevin [at] actum [dot] co [dot] za
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