Strange Gearbox: Old Factory Maintenance Engineer Needs Help

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SUMMARY

The discussion centers on a unique gearbox encountered by a maintenance engineer in an old factory, resembling harmonic drives. This gearbox transmits motion from the motor shaft via a key to bearings, which then transfer motion to elliptic-shaped gears solely through bearing rotation. The bearings operate smoothly, raising questions about the gearbox's design and functionality. Participants are invited to share insights or experiences related to this unusual mechanical system.

PREREQUISITES
  • Understanding of harmonic drive mechanisms
  • Familiarity with gearbox design principles
  • Knowledge of bearing types and their functions
  • Basic mechanical engineering concepts
NEXT STEPS
  • Research harmonic drive technology and its applications
  • Explore the principles of elliptical gear systems
  • Investigate bearing mechanics and their role in motion transmission
  • Learn about gearbox maintenance and troubleshooting techniques
USEFUL FOR

This discussion is beneficial for mechanical engineers, maintenance technicians, and anyone involved in the design or upkeep of industrial machinery, particularly those working with unconventional gearbox systems.

maxx_payne
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hello everyone i am a maintenance engineer in old factory so while we were working on an old machine yesterday we found a very strange gear box like the harmonic drives but it transmitts the motion from the motor shaft by a key to bearings those bearings transmitts motion to a elliptic shaped gears only by bearing rotation although the bearing can rotate smoothly
if anyone has an idea about this gear box pls help me
 
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maxx_payne said:
hello everyone i am a maintenance engineer in old factory so while we were working on an old machine yesterday we found a very strange gear box like the harmonic drives but it transmitts the motion from the motor shaft by a key to bearings those bearings transmitts motion to a elliptic shaped gears only by bearing rotation although the bearing can rotate smoothly
if anyone has an idea about this gear box pls help me

Pictures?
 

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