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Paper Abstract and Keywords
Presentation 2015-12-17 14:20
Failure Analysis of the Link Chain used in the Electric Chain Hoist
Takashi Honda, Tetsuya Sasaki (JNIOSH) SSS2015-27
Abstract (in Japanese) (See Japanese page) 
(in English) The link chain used in the electric chain hoist at the factory of recycling cullet was fractured though it was used within the rated load. According to fracture surface analyses of the failure link chain by the scanning electron microscopic, the striation, which is a property of fatigue fracture, formed by over loads repeatedly was observed. In order to reveal the cause of the over load, the situation of the hoist installed in the factory was investigated in details. It was found that the coil spring above the hock was removed from the hoist. In case of removing it, the over winding prevent system does not work normally because the coil spring is a essential part of this system, and consequently, the link chain is subjected to the over load whenever this system works.
Keyword (in Japanese) (See Japanese page) 
(in English) Chain hoist / Link chain / Fatigue / Fracture surface analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 367, SSS2015-27, pp. 11-14, Dec. 2015.
Paper # SSS2015-27 
Date of Issue 2015-12-10 (SSS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SSS2015-27

Conference Information
Committee SSS  
Conference Date 2015-12-17 - 2015-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SSS 
Conference Code 2015-12-SSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Failure Analysis of the Link Chain used in the Electric Chain Hoist 
Sub Title (in English)  
Keyword(1) Chain hoist  
Keyword(2) Link chain  
Keyword(3) Fatigue  
Keyword(4) Fracture surface analysis  
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1st Author's Name Takashi Honda  
1st Author's Affiliation National Institute of Safety and Health (JNIOSH)
2nd Author's Name Tetsuya Sasaki  
2nd Author's Affiliation National Institute of Safety and Health (JNIOSH)
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Speaker Author-1 
Date Time 2015-12-17 14:20:00 
Presentation Time 40 minutes 
Registration for SSS 
Paper # SSS2015-27 
Volume (vol) vol.115 
Number (no) no.367 
Page pp.11-14 
#Pages 4 
Date of Issue 2015-12-10 (SSS) 

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