To date, PM bearings could hold the shaft along one axis only. In addition they were damping. As a result, electromagnetic bearings were used.
We designed (and recently applied for a US patent) a new type of PM bearing that rigidly holds the shaft in both axial and radial directions. This means that it is rigidly stable in all possible directions. Our design overcomes limitations described by the Earnshaw’s theorem. It is a functionally complete bearing with outer ring made to fit the equipment it is attached to.
All of our bearings are precision bearings and their precision parameters remain unchanged during their entire life.
Their life is up to 30 years and their reliability is very high.
Here are the functional specifications:
• Rotate at speeds from 1 to 100,000 rpm
• Carry the same loads as steel bearings
• Function quietly, produce no friction, require no greasing and no maintenance
• Emit no RFI
• Function in water and in harsh environments
These bearings can successfully replace electromagnetic bearings and neither electronic control bloc, nor back-up bearing would be required. The cost would be at least 3 times lower.
These bearings can also replace radial-thrust bearings, conical bearings or precision ball bearings.
These bearings may be applied wherever clean, no grease vapors and no fumes environment is required, e.g. food industry, medical instruments, vacuum pumps, scroll compressors, underwater pumps, compressors for refrigeration industry, power generators, electric motors, petroleum refinement, natural gas handling, etc.
Our bearings will allow you create machinery and equipment of the highest quality.
Filed Under: TECHNOLOGIES + PRODUCTS, Bearings, Mechanical