Fatigue Test and Failure Analysis of GD80201100 Ball Screw Unit
By means of chemical composition testing, scanning electron microscopy observation, metallographic observation and hardness gradient detection etc, analysis of the typical failure samples from a well-known brand GD80201100 ball screw unit in the fatigue test was carried on. Results show that there i...
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| Veröffentlicht in: | Applied mechanics and materials 2014-03, Vol.543-547 (Vehicle, Mechatronics and Information Technologies II), p.3848-3852 |
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| container_issue | Vehicle, Mechatronics and Information Technologies II |
| container_start_page | 3848 |
| container_title | Applied mechanics and materials |
| container_volume | 543-547 |
| creator | Yan, Ye Li, Cheng Nan Gai, Yu Hong Li, Bao Min Du, Wei Li, Mu Sen |
| description | By means of chemical composition testing, scanning electron microscopy observation, metallographic observation and hardness gradient detection etc, analysis of the typical failure samples from a well-known brand GD80201100 ball screw unit in the fatigue test was carried on. Results show that there is no obvious surface wear of the ball screw, showing the normal contact fatigue failure. But severe surface wear happens on the raceway of nut A with obvious flaking and many local cracks; which is the main reason leading to the failure of ball screw unit. So effective measures to avoid earlier failure of the ball screw unit can be put forward by controlling the steel quality strictly and improving the hardness and depth of the hardened layer on the raceway of nut A. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.543-547.3848 |
| format | Article |
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Results show that there is no obvious surface wear of the ball screw, showing the normal contact fatigue failure. But severe surface wear happens on the raceway of nut A with obvious flaking and many local cracks; which is the main reason leading to the failure of ball screw unit. So effective measures to avoid earlier failure of the ball screw unit can be put forward by controlling the steel quality strictly and improving the hardness and depth of the hardened layer on the raceway of nut A.</description><identifier>ISSN: 1660-9336</identifier><identifier>EISSN: 1662-7482</identifier><identifier>DOI: 10.4028/www.scientific.net/AMM.543-547.3848</identifier><language>eng</language><subject>Ball screws ; Contact ; Failure analysis ; Fatigue failure ; Fatigue tests ; Hardness ; Steels ; Wear</subject><ispartof>Applied mechanics and materials, 2014-03, Vol.543-547 (Vehicle, Mechatronics and Information Technologies II), p.3848-3852</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Yan, Ye</creatorcontrib><creatorcontrib>Li, Cheng Nan</creatorcontrib><creatorcontrib>Gai, Yu Hong</creatorcontrib><creatorcontrib>Li, Bao Min</creatorcontrib><creatorcontrib>Du, Wei</creatorcontrib><creatorcontrib>Li, Mu Sen</creatorcontrib><title>Fatigue Test and Failure Analysis of GD80201100 Ball Screw Unit</title><title>Applied mechanics and materials</title><description>By means of chemical composition testing, scanning electron microscopy observation, metallographic observation and hardness gradient detection etc, analysis of the typical failure samples from a well-known brand GD80201100 ball screw unit in the fatigue test was carried on. 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| ispartof | Applied mechanics and materials, 2014-03, Vol.543-547 (Vehicle, Mechatronics and Information Technologies II), p.3848-3852 |
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| language | eng |
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| source | Scientific.net Journals |
| subjects | Ball screws Contact Failure analysis Fatigue failure Fatigue tests Hardness Steels Wear |
| title | Fatigue Test and Failure Analysis of GD80201100 Ball Screw Unit |
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