Nmt & associates introduces hold back devices, which is used as over-running clutches, where the shaft overruns at high speeds. These backstop devices have separately spring-loaded centrifugal lift off sprags, housed in a cage by means of pins connected with rotating inner ring having driving contact with outer ring. The extent of bore diameter is 220mm.
Hold back devices has following features:
1. Permissible wide radial run out
2. Depreciation free high life expectancy
3. Parts can be assembled with ease
4. Doesnt need any special lubricant
5. Does not require costly repairs & maintenance
Hold back devices finds its application in following devices:
1. Inclined conveyors
2. Elevators
3. Pumps
4. Blower
5. Fans
6. Ear boxes
7. Electric motors
8. Geared motors
9. Pumps & compressors
10. Ball mills
11. Engine starters
