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ktr1212KTR has examined in collaboration with the Fraunhofer Institute for Manufacturing Engineering and Automation (IPA), how many particles central coupling series of drive specialists operating like. These tests are based on the classification in the contamination classes according to ISO-14644 1, which are used in the clean room technology. Three backlash couplings were certified purity grade 8.

The couplings of the types "Radex NC 15 DK", "Toolflex 20 S" and all "Rotex GS" sizes are characterized by very low particulate emissions and can be used in clean rooms, the cleanliness level 8 after 14664-1 or in environments of GMP grade C are used. The Fraunhofer IPA has created appropriate test reports and certificates.

The torsionally stiff and maintenance-free servo plate clutch Radex NC 15 DK has a compact design with low inertia. The robust metal bellows Toolflex 20 S offers high torsional stiffness. The backlash servo-elastic coupling series Rotex GS is suitable for use throughout the industry.

To check the qualifications of Totex GS series for clean room use, more of these couplings have been tested in different sizes and different sprocket materials. In addition, a single spider was separately examined without coupling hubs on gaseous emissions down. As a result, the RISO AMCmClass 8 achieved and also the spider can be used safely in clean rooms.

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