Simplified damage diagnosis on a gear tooth surface using a laser beam (Application to a helical and/or profile shifted gear)

Eiichiro Tanaka, Kazunari Okabe, Yuta Kojima, Kazuteru Nagamura, Kiyotaka Ikejo, Hitoshi Takebe, Satoshi Wada, Hiroki Yoshimi, Ryozo Nemoto

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We have developed a method to diagnose damage using a laser beam. Our method can be explained as follows: First, a tooth surface is irradiated by a zonal laser beam from an oblique direction, and then the irradiated laser beam line is shifted along the surface of the tooth according to gear revolution. The variations of the laser reflection between the initial and the present conditions are compared. And then it can estimate the condition on the tooth surface such as initial or abnormal abrasion, pitting, spalling, etc. To apply this method for a helical gear, the arm for setting the laser sensor was assumed as the special closed-loop serial-linkage, and the structure of the arm was proposed. By using these proposals, the data calculated from laser reflection and measured with caliper were compared. As a result, we could diagnose the helical and/or profile shifted gear as well as a spur gear, and the difference was up to 8 [%].

Original languageEnglish
Pages (from-to)2517-2531
Number of pages15
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume79
Issue number803
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Gear teeth
Laser beams
Gears
Lasers
Helical gears
Spur gears
Spalling
Pitting
Abrasion
Sensors

Keywords

  • Damage Diagnosis
  • Gear
  • Helical Gear
  • Laser Beam
  • Profile Shifted Gear

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Industrial and Manufacturing Engineering

Cite this

Simplified damage diagnosis on a gear tooth surface using a laser beam (Application to a helical and/or profile shifted gear). / Tanaka, Eiichiro; Okabe, Kazunari; Kojima, Yuta; Nagamura, Kazuteru; Ikejo, Kiyotaka; Takebe, Hitoshi; Wada, Satoshi; Yoshimi, Hiroki; Nemoto, Ryozo.

In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C, Vol. 79, No. 803, 2013, p. 2517-2531.

Research output: Contribution to journalArticle

Tanaka, Eiichiro ; Okabe, Kazunari ; Kojima, Yuta ; Nagamura, Kazuteru ; Ikejo, Kiyotaka ; Takebe, Hitoshi ; Wada, Satoshi ; Yoshimi, Hiroki ; Nemoto, Ryozo. / Simplified damage diagnosis on a gear tooth surface using a laser beam (Application to a helical and/or profile shifted gear). In: Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C. 2013 ; Vol. 79, No. 803. pp. 2517-2531.
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AU - Nagamura, Kazuteru

AU - Ikejo, Kiyotaka

AU - Takebe, Hitoshi

AU - Wada, Satoshi

AU - Yoshimi, Hiroki

AU - Nemoto, Ryozo

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N2 - We have developed a method to diagnose damage using a laser beam. Our method can be explained as follows: First, a tooth surface is irradiated by a zonal laser beam from an oblique direction, and then the irradiated laser beam line is shifted along the surface of the tooth according to gear revolution. The variations of the laser reflection between the initial and the present conditions are compared. And then it can estimate the condition on the tooth surface such as initial or abnormal abrasion, pitting, spalling, etc. To apply this method for a helical gear, the arm for setting the laser sensor was assumed as the special closed-loop serial-linkage, and the structure of the arm was proposed. By using these proposals, the data calculated from laser reflection and measured with caliper were compared. As a result, we could diagnose the helical and/or profile shifted gear as well as a spur gear, and the difference was up to 8 [%].

AB - We have developed a method to diagnose damage using a laser beam. Our method can be explained as follows: First, a tooth surface is irradiated by a zonal laser beam from an oblique direction, and then the irradiated laser beam line is shifted along the surface of the tooth according to gear revolution. The variations of the laser reflection between the initial and the present conditions are compared. And then it can estimate the condition on the tooth surface such as initial or abnormal abrasion, pitting, spalling, etc. To apply this method for a helical gear, the arm for setting the laser sensor was assumed as the special closed-loop serial-linkage, and the structure of the arm was proposed. By using these proposals, the data calculated from laser reflection and measured with caliper were compared. As a result, we could diagnose the helical and/or profile shifted gear as well as a spur gear, and the difference was up to 8 [%].

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KW - Profile Shifted Gear

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