Abstract
Gears used in actuators for robot articulations are showing a trend toward having smaller modules. Thus, profile measurements of small module gears are strongly desired. Our aim was to develop a probe artifact that enables ultra-fine-pitch cylindrical gears to be measured, by minimizing the size of the probe head. The configurations of the contact-type probe and holder were designed under consideration of interference with an adjacent tooth during profile measurements of an objective tooth. After manufacturing the artifact, a 0.1-module spur gear was measured as a trial, and reasonable results were obtained. In addition, a calibration plate for roughness was measured using the developed probe artifact. The evaluated roughness showed a strong correlation with the “true roughness”. Therefore, the developed probe can be expected to enable “pseudo” roughness to be evaluated.
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Myongsoo Kim received the B.Eng. from Kyoto Institute of Technology, Japan, in 1990. He is currently a Manager at the Overseas Sales Department, Osaka Seimitsu Kikai Co., Ltd. and a doctoral student at Kyoto Institute of Technology.
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Kim, M., Iba, D., Tatsumi, T. et al. Development of a contact-type probe for measurements of ultra-fine-pitch gears and application to pseudo roughness evaluation. J Mech Sci Technol 31, 5609–5616 (2017). https://doi.org/10.1007/s12206-017-1101-5
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DOI: https://doi.org/10.1007/s12206-017-1101-5