>>http://groups.google.com/groups?q=angle+torque <http://groups.google.com/groups?q=angle+torque&hl=en&lr=&ie=UTF-8&selm=35 8> &hl=en&lr=&ie=UTF-8&selm=358 91 >>29A.5053%40engr.uark.edu&rnum=1 >> >> Torque-angle method is where you tighten the bolts to a specified >> torque in a specified order. Once that is done, you mark the position >> of each bolt head and turn it an additional amount like 1/4 turn, 1/2 >> turn or some other specified value. This results in "stretching" the >> bolt a known amount which results in a particular retaining or >> clamping force being applied. It is generally used in conjunction >> with throwaway or single-use bolts because they have been stretched >> when installed. > >It sounds like the stretching of the bolt may require that it be replaced. >So, it is just a little extra twist. In this case, torque it down and turn >it a little more than 1/4 turn (90 degrees) to get the 113 degrees required. It also seemed to be related to dissimilar materials being used in one application. So, I guess the best thing to do would be to replace the bolts each time since they have been stretched, and reduce the possibility of fracture. I wonder how many have fractured, causing the head to warp and eventually leak. Greg Yahoo! Groups Sponsor ADVERTISEMENT <http://rd.yahoo.com/M=194081.3551198.4824677.1261774/D=egroupweb/S=170512 6215:HM/A=1663535/R=0/SIG=11ps6rfef/*http://www.ediets.com/start.cfm?code= 30504&media=atkins> click here <http://us.adserver.yahoo.com/l?M=194081.3551198.4824677.1261774/D=egroupm ail/S=:HM/A=1663535/rand=372446491> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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