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  Measurement, Test and Calibration
  CMM - What is the best gauge?

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Author Topic:   CMM - What is the best gauge?
Dawn
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Posts: 245
From:St. Marys, PA
Registered: Sep 98

posted 26 September 1998 07:44 PM     Click Here to See the Profile for Dawn   Click Here to Email Dawn     Edit/Delete Message   Reply w/Quote
What is the best equipmenbt to gauge an ID bore; what gauge will give accurate Gage R & R studies as the best possible gauge? Is a Sunnen Gauge better than the CMM for ID's when there are problems with roundness?

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SCOTT SNYDER
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posted 28 September 1998 12:38 PM     Click Here to See the Profile for SCOTT SNYDER   Click Here to Email SCOTT SNYDER     Edit/Delete Message   Reply w/Quote
DAWN,
THE FOLLOWING ARE ONLY MY VIEW POINTS FROM MY PERSONAL EXPERIENCE.
1) THE CMM WILL PREFORM ROUNDNESS BETTER
2) THE SUNNEN GAUGE IS NOT AS GOOD AS A 3-POINT BORE GAUGE.
HOWEVER THE BORE GAUGE WILL SHOW YOU WHERE YOU ARE OUT OF ROUND. IF YOUR CMM DISPLAYS GRAPHICS ON MULTIPLE POINT FEATURES. IT WILL ALSO SHOW YOU WHERE YOU ARE OUT OF ROUND.
3) THE BORE GAUGE SHOULD GIVE A BETTER R&R BECAUSE YOU CAN CONTROL THE POINT OF MEASURE EASIER.

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Dawn
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Posts: 245
From:St. Marys, PA
Registered: Sep 98

posted 28 September 1998 06:45 PM     Click Here to See the Profile for Dawn   Click Here to Email Dawn     Edit/Delete Message   Reply w/Quote
Can you tell me where I can get a 3-point bore gauge and how much?
Thanks, Dawn

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SCOTT SNYDER
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posted 29 September 1998 06:35 AM     Click Here to See the Profile for SCOTT SNYDER   Click Here to Email SCOTT SNYDER     Edit/Delete Message   Reply w/Quote
DAWN,
MOST ALL OF THE MAJOR MANUFACTURERS CARRY 3-POINT GAUGING. BEFORE YOU RUSH OUT AND BUY REQUEST INFORMATION FROM SEVERAL OF THEM. DEPENDING ON YOUR PROCESS THERE ARE DIFFERENT TYPES OF 3-POINT MEASURE. DO YOU HAVE A MANUAL OR CNC-CMM? IF IT IS CNC YOU CAN CONTROL WHERE YOU MEASURE AND COULD DO SOME SAMPLING BEFORE INVESTING IN A GAUGE THAT MAY NOT BE NESSARY. CHECK ALL YOUR OPTIONS AND PRICING CAN BE DONE THROUGH YOUR LOCAL INDUSTRIAL SUPPLY HOUSE.

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Dawn
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Posts: 245
From:St. Marys, PA
Registered: Sep 98

posted 29 September 1998 08:17 PM     Click Here to See the Profile for Dawn   Click Here to Email Dawn     Edit/Delete Message   Reply w/Quote
Sunnen gages have 3 prongs and can measure tenths. Why would a bore gage be more accurate?

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SCOTT SNYDER
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posted 30 September 1998 06:27 AM     Click Here to See the Profile for SCOTT SNYDER   Click Here to Email SCOTT SNYDER     Edit/Delete Message   Reply w/Quote
WHAT MODEL # SUNNEN ARE YOU USING?

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