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Dustless Transmissions

CRG Industries, together with an off-shore supplier, now provide non-contact drive transmission mechanisms for atmospheric, high-vacuum and ultra-high vacuum environments. These drive transmission mechanisms answer the demand for cleanliness in production lines. The new mechanisms generate no dust, operate almost silently and boast a long service life.

Dirt and impurities floating in the atmosphere are the enemies of manufacturing advanced, refined electronic components. Fatal damage can occur when dust or gas enters a high-vacuum environment. The ultimate goal is to eliminate the fine dirt and impurities which occur when objects are transferred. Non-contact transmitting mechanisms were developed as a dust countermeasure. Industries in need of clean, dust-free mechanisms, including medical instruments, medical supplies, cosmetics, chemicals, foodstuffs, and electronics, will benefit from this breakthrough technology.

Benefits

Non-contact transmissions provide the following benefits in the manufacturing process:

• Ultra-low dust scattering: Special magnets mounted at 90-degree angles change the transmission force direction without direct contact, drastically reducing the generation of contamination particles.
• Low gas generation: The special coating does not release gas in atmospheric or vacuum environments.
• Ultra-low noise: The no-contact design assures extremely quiet operation compared with conventional or belt conveyor mechanisms.
• Serving torque limiters: If an abnormal load occurs, the two magnets rotate independently, serving as torque limiters and preventing damage.
• Low cost: The magnets can be modified and replaced without special processing. Alternating use in both atmospheric and vacuum environments presents no problem.