IND-03 INTRODUCTION OF THE MICRO-TRACTION-DRIVE(INDUSTRIAL SESSION)

概要

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The Micro-Traction-Drive is made of modified rolling bearings. It is developed for the purpose of transmitting high torque with small drive size. Structure of the Micro-Traction-Drive is as follows: The traction force is generated by the thrust preload between inner race and outer race. The retainer connected to the output shaft transmits the driving torque. The retainer is specially designed. Two types of Micro-Traction-Drive are developed. The test-runs of angular contact ball type Micro-Traction- Drive (outer ring diameter 30mm) and tapered roller type Micro-Traction- Drive (outer ring diameter 47mm) have been carried out (reduction ratio 2.6, 2.3). According to the results of tests, we have found that the angular contact ball type can transmit higher torque with higher efficiency than same size planetary gearhead. The tapered roller type can transmit torque bigger than 1.5 or more times of angular contact ball type.
一般社団法人日本機械学会の論文
2009-05-13