Modeling and investigation on dynamic behaviors of ball screw feed system with bolt looseness

Modeling and investigation on dynamic behaviors of ball screw feed system with bolt looseness | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Modeling and investigation on dynamic behaviors of ball screw feed system with bolt looseness Zhendong Liu, Changyou Li, gongdong wang, mengtao xu, hongzhuang zhang, and 3 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4459736/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract In this study, a more comprehensive multi-degree-of-freedom nonlinear dynamic model of ball screw feed system is presented. The relationship between bolt preload and contact force of the interface force is established. A new pedestal force model considering bolt looseness and inclination of contact surface is established. Based on the spatial position between pedestal and foundation, the modeling method of contact force of interface is proposed. The influence of bolt preload and bolt looseness on the dynamics of the feed system are investigated. A series of experiments are conducted to validated the proposed modeling method. The fractal parameters are obtained by the measurement of surface morphology. The results show that the increased preload have impacts on the vibration response and reduce the positioning accuracy of the system in specific frequency. Moreover, the proposed model is compared with traditional method proposed by previous study. Dynamic modeling Feed system Bolt looseness Dynamics Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4459736","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":310554112,"identity":"791ff6b2-ec36-47bb-87f9-262d776d35c2","order_by":0,"name":"Zhendong Liu","email":"","orcid":"","institution":"Northeastern University","correspondingAuthor":false,"prefix":"","firstName":"Zhendong","middleName":"","lastName":"Liu","suffix":""},{"id":310554113,"identity":"a2c7c172-1601-4861-a2e1-479f4088b7e1","order_by":1,"name":"Changyou 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The relationship between bolt preload and contact force of the interface force is established. A new pedestal force model considering bolt looseness and inclination of contact surface is established. Based on the spatial position between pedestal and foundation, the modeling method of contact force of interface is proposed. The influence of bolt preload and bolt looseness on the dynamics of the feed system are investigated. A series of experiments are conducted to validated the proposed modeling method. The fractal parameters are obtained by the measurement of surface morphology. The results show that the increased preload have impacts on the vibration response and reduce the positioning accuracy of the system in specific frequency. 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