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Effect of setting velocity on self-piercing riveting process and joint behaviour for automotive applications
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Han, Li, Thornton, Martin, Li, Dezhi and Shergold, Mike (2010) Effect of setting velocity on self-piercing riveting process and joint behaviour for automotive applications. In: SAE 2010 World Congress & Exhibition, Detroit, MI, U.S.A., Apr 12-15, 2010. Published in: SAE Technical Papers doi:10.4271/2010-01-0966 ISSN 0148-7191.
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Official URL: http://dx.doi.org/10.4271/2010-01-0966
Abstract
The increased application of lightweight materials, such as aluminium has initiated many investigations into new joining techniques for aluminium alloys. As a result, Self-piercing riveting (SPR) was introduced into the automotive industry as the major production process to join aluminium sheet body structures. Although both hydraulic and servo types of SPR equipment are used by the industry, the servo type is most commonly used in a volume production environment. This type uses stored rotational inertia to set the rivet. The initial rotational velocity of the mass dictates the setting force and hence the tool is described as velocity-controlled. A study was therefore conducted to examine the effect of setting velocity on the process including tooling and joint performance. It was found that the setting velocity would have a significant effect on tooling life. Over 80kN force could be introduced into the tooling depending on selection of the setting velocity. The results also suggested that the joint quality and strength are affected by the setting velocity. An increase in the setting velocity would lead to a decrease in the head height and an increase in the interlock. Too low velocity may cause the rivet head to protrude; too high velocity may result in breakthrough failure. Both cases would lead to corrosion concerns. The examination also indicated that the higher the setting velocity the higher the shear strength of the joints.
Item Type: | Conference Item (Paper) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery T Technology > TN Mining engineering. Metallurgy |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | SAE Technical Papers | ||||
Publisher: | Society of Automobile Engineers | ||||
ISSN: | 0148-7191 | ||||
Book Title: | Effect of Setting Velocity on Self-Piercing Riveting Process and Joint Behaviour for Automotive Applications | ||||
Official Date: | 12 April 2010 | ||||
Dates: |
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DOI: | 10.4271/2010-01-0966 | ||||
Status: | Not Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Description: | Paper Number 2010-01-0966 |
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Conference Paper Type: | Paper | ||||
Title of Event: | SAE 2010 World Congress & Exhibition | ||||
Type of Event: | Other | ||||
Location of Event: | Detroit, MI, U.S.A. | ||||
Date(s) of Event: | Apr 12-15, 2010 |
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