Abstract:
The dynamic responses of roller gear indexing cam mechanism are
investigated. With applying Lagarange equation and Gear method,
motion equations of this mechanism including clearance, motor
characteristic, torsion flexibility are developed and solved.
The results show that clearance affects primarily the response on
turret, and has little effects on the responses on rotary table.
At the same time, the velocity fluctuation of motor shaft is not
serious for the existence of inertia of reducer, and the high
frequency of velocity fluctuation of camshaft is related with
the torsion stiffness of shaft and the clearance between pairs.
Key words: Roller
gear indexing cam mechanism Clearance Motor characteristic Dynamic response
*
The project is
supported by National Natural Science Foundation of China (No.59675004).
Manuscript received on May 10, 2000; revised manuscript August 26, 2000
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