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Author Topic: New calipers.......  (Read 3550 times)

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Offline BDKW1

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New calipers.......
« on: May 01, 2010, 09:18:33 PM »
Newest edition, 83" Mititoyo's..........
 

 
For comparison, 6", 8", 24", 40", 83"....... And a dollar bill.
 

 
It's wierd having calipers taller than you are.........
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Offline Engineer

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Re: New calipers.......
« Reply #1 on: May 01, 2010, 09:27:54 PM »
Wow!  ;D
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Offline Doug Heim

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Re: New calipers.......
« Reply #2 on: May 01, 2010, 10:17:01 PM »
Very Handy... Longest one I have at my disposal is 72"
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Offline fabr

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Re: New calipers.......
« Reply #3 on: May 01, 2010, 10:39:28 PM »
WTH do you use those things for? 72", 83" ? WOW !!!!!
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
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the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
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Offline BDKW1

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Re: New calipers.......
« Reply #4 on: May 02, 2010, 01:21:57 AM »
Ran some 78" long parts. Hand to run them in steps with the ends sticking out of the mill as the biggest only has 50" of travel.
 
I didn't realize they made them that big till I looked in the catalog as a joke..........
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Offline Doug Heim

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Re: New calipers.......
« Reply #5 on: May 02, 2010, 09:13:14 AM »
At work I do alot of shaft and stand off work that has a .005" tolerance on length. A couple weeks ago I had some parts tha didnt fit the caliper. Had to double up on some long hook scales with a mag. glass.
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Offline fabr

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Re: New calipers.......
« Reply #6 on: May 02, 2010, 09:30:19 AM »
Hell temperature change could change length tolerance more than that on a shaft 80" or so..
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Yummi

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Re: New calipers.......
« Reply #7 on: May 02, 2010, 09:31:07 AM »
Quote from: masterfabr on May 02, 2010, 09:30:19 AM
Hell temperature change could change length tolerance more than that on a shaft 80" or so..

Yea, I have that problem a lot and can vouch for temperature changes.
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Offline Doug Heim

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Re: New calipers.......
« Reply #8 on: May 02, 2010, 08:26:44 PM »
 LMAO
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Offline ace

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Re: New calipers.......
« Reply #9 on: May 04, 2010, 10:48:42 PM »
We use the 40 inch at work quite often, we also have a dial bore gauge that will go up to 600mm (the cylinder liners out of our largest engines is a 52cm bore)
18,000hp @ 450 rpm hey doug ya think your "new" cv rear will handle that? LMAO
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Offline BDKW1

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Re: New calipers.......
« Reply #10 on: May 04, 2010, 10:55:20 PM »
Quote from: masterfabr on May 02, 2010, 09:30:19 AM
Hell temperature change could change length tolerance more than that on a shaft 80" or so..

QC room is tempuature controlled............... 68* all day every day...........
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Offline fabr

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Re: New calipers.......
« Reply #11 on: May 05, 2010, 06:00:30 AM »
but the shop isn't..................
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

chrishallett83

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Re: New calipers.......
« Reply #12 on: May 09, 2010, 09:28:27 AM »
Quote from: masterfabr on May 05, 2010, 06:00:30 AM
but the shop isn't..................

It is if you work at Rolls Royce aero division. Temp, humidity, and dust controlled. Same conditions inside their engine assembly line as at Intels microprocessor plants... :o
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Offline BDKW1

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Re: New calipers.......
« Reply #13 on: May 21, 2010, 09:08:25 PM »
So we got some parts today that were 144" +-.002. They were 6063 U shaped extrusion .750 x .750 . Obviously somebody was smoking crack when they drew that up. Stuck a pin in the middle and measured both ways. I think I'm within .005 . I'd like to see them try and measure it..........
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chrishallett83

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Re: New calipers.......
« Reply #14 on: May 21, 2010, 09:14:59 PM »
144 inches +/- 2 thou?

That's fooked. What kind of butthead engineer calls for tolerances like that?
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