Re: torque wrench question
[Re: mickm]
#1936260
10/21/15 05:37 PM
10/21/15 05:37 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I didn't read thru the old thread posted but you torqued it to 40 then if another wrench started to move it at say 45 I'd be OK with that as breakaway torque is gonna be higher but with it turning (earlier) at 35 which is lower than the 40 you left it at then yes I'd want to get some answers. EDIT & the socket etc was all in a straight line especially at the end of the handle arc?
Last edited by RapidRobert; 10/21/15 05:47 PM.
live every 24 hour block of time like it's your last day on earth
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Re: torque wrench question
[Re: mickm]
#1936502
10/22/15 12:56 AM
10/22/15 12:56 AM
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Joined: Jan 2003
Posts: 21,072 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,072
Niles , Ohio
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5 pounds isnt much.My Snap on clickers are old one I bought at least 30 years ago the other about 25.Been used more than almost anyones here as I used them daily at work.Had them checked a few times IE recalibrated by the factory.They were never really out.The beam style if like my old old Craftsman thats at least 40 years old will register a bit higher than my clickers.Rocky
Chrysler Firepower
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Re: torque wrench question
[Re: therocks]
#1936507
10/22/15 01:06 AM
10/22/15 01:06 AM
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Joined: Jan 2003
Posts: 4,270 Morrow, OH
markz528
master
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master
Joined: Jan 2003
Posts: 4,270
Morrow, OH
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Yes it is. When you torque you need to stop as the bolt is moving - that is dynamic torque. When you are checking the torque (bolt6 is not moving)that is static torque which can be 10 to 20% higher than the dynamic torque in my experience. That means that in order to move a bolt after it has been torqued it can take 10 to 20% more torque to move than it did on the initial torque. In your case that means you were below 35 lbs if the beam torque wrench is accurate. I do a lot of work with torquing bolts.........
67 Coronet 500 9.610 @ 139.20 mph 67 Coronet 500 (street car) 14.82 @ 94 mph 69 GTX (clone) - build in progress......
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Re: torque wrench question
[Re: mickm]
#1937182
10/23/15 10:14 AM
10/23/15 10:14 AM
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Joined: Jan 2006
Posts: 8,162 USA
360view
Moparts resident spammer
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Moparts resident spammer
Joined: Jan 2006
Posts: 8,162
USA
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As others have said, torque on bolt or nut is such an approximate way of estimating clamping force that plus or minus 5 is not something to be overly worried about, especially since just a bit of lubricant on threads can change the reading more than that. You can use an eight point star socket to directly test one torque wrench against another. For the cost of a calibration you can buy one of these using a 20% off coupon: http://t.harborfreight.com/12-in-drive-digital-torque-adapter-68283.htmlthe one I bought seems within the 2% advertised accuracy, and you can return it if not. By fixing a torque wrench horizontal in a vise, you can hang vertical weights off the centerpoint of the hand grip and do your own calibration. An accurate "fishermans scale" can also be used instead of weights to pull on the centerpoint of the grip.
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Re: torque wrench question
[Re: 360view]
#1937239
10/23/15 12:40 PM
10/23/15 12:40 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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360view, unique/innovative info!
live every 24 hour block of time like it's your last day on earth
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