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Total 26 documents matching your query.

1. [Shop-talk] torque wrench calilbration (score: 1): Author: Tim <tputland@charter.net>; Date: Sat, 5 Mar 2011 6:23:42 -0800; Last summer, in an antique store, I found a bar style (not sure if this is the correct name or not???) torque wrench for $4.50. It is solid and seems to work correctly. I am wondering if and where I; /html/shop-talk/2011-03/msg00047.html (7,359 bytes)
2. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: "Eric J Russell" <ejrussell@mebtel.net>; Date: Sat, 5 Mar 2011 10:06:05 -0500; The term I use is 'beam style'. Essentially it cannot go out of 'calibration' (as long as it was well made originally- does the wrench have any brand name markings?). I use my 25 year old Craftsman b; /html/shop-talk/2011-03/msg00048.html (8,533 bytes)
3. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: Bob Spidell <bspidell@comcast.net>; Date: Sat, 05 Mar 2011 07:13:56 -0800; Check your local yellow pages under 'scientific,' 'laboratories,' 'calibration,' etc. Also, if you have a general aviation airport nearby call the Fixed Base Operator ('FBO') or flight school. Torque; /html/shop-talk/2011-03/msg00049.html (8,210 bytes)
4. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: David Scheidt <dmscheidt@gmail.com>; Date: Sat, 5 Mar 2011 10:39:25 -0500; to You can't calibrate, nor even certify accuracy of, a beam style torque wrench. -- David Scheidt dmscheidt@gmail.com _______________________________________________ Shop-talk@autox.team.net Donate:; /html/shop-talk/2011-03/msg00050.html (7,365 bytes)
5. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: "Eric J Russell" <ejrussell@mebtel.net>; Date: Sat, 5 Mar 2011 11:22:41 -0500; I believe one can certify accuracy of a beam style torque wrench. At least for any particular amount (or more useful - range) of torque. True, there isn't really any adjustment - except to make sure; /html/shop-talk/2011-03/msg00051.html (8,234 bytes)
6. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: Bob Spidell <bspidell@comcast.net>; Date: Sat, 5 Mar 2011 17:32:47 +0000 (UTC); You speak with a great deal of certainly, so I won't dispute that, but the calibration techniques I'm familiar with measure the wrench's indicated torque against a calibrated strain gauge (which itse; /html/shop-talk/2011-03/msg00052.html (8,958 bytes)
7. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: Paul Parkanzky <parkanzky@gmail.com>; Date: Sat, 5 Mar 2011 12:53:51 -0500; In my world (Regulated pharmaceutical manufacturing), Calibration is the process of making adjustments to bring something into tolerance. Verification is what you are doing to see whether or not the; /html/shop-talk/2011-03/msg00053.html (9,506 bytes)
8. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: Bob Spidell <bspidell@comcast.net>; Date: Sat, 5 Mar 2011 20:11:48 +0000 (UTC); Wikipedia has a pretty good entry: http://en.wikipedia.org/wiki/Calibration " Calibration is a comparison between measurements b one of known magnitude or correctness made or set with one device and; /html/shop-talk/2011-03/msg00054.html (9,209 bytes)
9. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: BJNoSHOV8 <bjshov8@tx.rr.com>; Date: Sun, 06 Mar 2011 16:59:17 -0600; Lots of discussion on these so far... If the thing was manufactured correctly and is undamaged then it will work now exactly as well as it did when originally manufactured. After all, PL^3/3EI is the; /html/shop-talk/2011-03/msg00057.html (9,142 bytes)
10. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: "Randall" <TR3driver@ca.rr.com>; Date: Sun, 6 Mar 2011 16:29:00 -0800; Only if E is a constant. I suppose changes in E would come under the category of either not manufactured properly or damaged; and yet the only way to tell may be to check the calibration. -- Randall; /html/shop-talk/2011-03/msg00058.html (8,433 bytes)
11. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: BJNoSHOV8 <bjshov8@tx.rr.com>; Date: Sun, 06 Mar 2011 19:11:47 -0600; E is a function of the metallurgy. E for steel and steel alloys is in a fairly narrow range. I is a function of the shape of the "beam", and is actually the property that could change, through wear,; /html/shop-talk/2011-03/msg00059.html (8,667 bytes)
12. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: "Randall" <TR3driver@ca.rr.com>; Date: Sun, 6 Mar 2011 17:58:19 -0800; Ok, my mistake. I thought work hardening, etc. would change the Young's modulus slightly, but I guess not. I wonder then, how it is that old bourdon-tube gauges typically change scale as well as zer; /html/shop-talk/2011-03/msg00060.html (8,437 bytes)
13. Re: [Shop-talk] torque wrench calilbration (score: 1): Author: BJNoSHOV8 <bjshov8@tx.rr.com>; Date: Sun, 06 Mar 2011 21:07:27 -0600; Work hardening requires a lot of deformation to occur, IOW if you bent the beam into a pretzel and then straightened it back out again, so I think that would be somewhat unlikely. What I did wonder a; /html/shop-talk/2011-03/msg00061.html (8,906 bytes)
14. [Shop-talk] torque wrench calilbration (score: 1): Author: tputland at charter.net (Tim); Date: Sat, 05 Mar 2011 07:23:42 -0700; Last summer, in an antique store, I found a bar style (not sure if this is the correct name or not???) torque wrench for $4.50. It is solid and seems to work correctly. I am wondering if and where I; /html/shop-talk/2011-03/msg00228.html (8,203 bytes)
15. [Shop-talk] torque wrench calilbration (score: 1): Author: ejrussell at mebtel.net (Eric J Russell); Date: Sat, 5 Mar 2011 10:06:05 -0500; The term I use is 'beam style'. Essentially it cannot go out of 'calibration' (as long as it was well made originally- does the wrench have any brand name markings?). I use my 25 year old Craftsman b; /html/shop-talk/2011-03/msg00229.html (9,890 bytes)
16. [Shop-talk] torque wrench calilbration (score: 1): Author: bspidell at comcast.net (Bob Spidell); Date: Sat, 05 Mar 2011 07:13:56 -0800; Check your local yellow pages under 'scientific,' 'laboratories,' 'calibration,' etc. Also, if you have a general aviation airport nearby call the Fixed Base Operator ('FBO') or flight school. Torque; /html/shop-talk/2011-03/msg00230.html (9,794 bytes)
17. [Shop-talk] torque wrench calilbration (score: 1): Author: dmscheidt at gmail.com (David Scheidt); Date: Sat, 5 Mar 2011 10:39:25 -0500; to You can't calibrate, nor even certify accuracy of, a beam style torque wrench. -- David Scheidt dmscheidt at gmail.com; /html/shop-talk/2011-03/msg00231.html (9,720 bytes)
18. [Shop-talk] torque wrench calilbration (score: 1): Author: ejrussell at mebtel.net (Eric J Russell); Date: Sat, 5 Mar 2011 11:22:41 -0500; I believe one can certify accuracy of a beam style torque wrench. At least for any particular amount (or more useful - range) of torque. True, there isn't really any adjustment - except to make sure; /html/shop-talk/2011-03/msg00232.html (10,009 bytes)
19. [Shop-talk] torque wrench calilbration (score: 1): Author: bspidell at comcast.net (Bob Spidell); Date: Sat, 5 Mar 2011 17:32:47 +0000 (UTC); You speak with a great deal of certainly, so I won't dispute that, but the calibration techniques I'm familiar with measure the wrench's indicated torque against a calibrated strain gauge (which itse; /html/shop-talk/2011-03/msg00233.html (10,496 bytes)
20. [Shop-talk] torque wrench calilbration (score: 1): Author: parkanzky at gmail.com (Paul Parkanzky); Date: Sat, 5 Mar 2011 12:53:51 -0500; In my world (Regulated pharmaceutical manufacturing), Calibration is the process of making adjustments to bring something into tolerance. Verification is what you are doing to see whether or not the; /html/shop-talk/2011-03/msg00234.html (11,519 bytes)

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