IIGDT Newsletter April 2019
 

When I first started as an inspector I thought my job was principally to determine if a manufactured part conformed to the specification requirements defined on the engineering drawing. If the part conformed I would accept/release the parts to the next operation or to be shipped, however if the part did not conform I would write my multiple copy non-conformance sheet and distribute copies to the interested party and put the parts on hold for members of the management team and technical staff to review. What I did not understand was that a significant part of my job was to provide feedback to the manufacturing engineers and machinists so they could truly understand the problem and put them in a better position to know how to fix it and/or optimize their process.

This was all assuming my measurements were always correct...

Read the full article at iigdt.com.

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IIGDT Seminar Series : March-August 2021
California, Oregon and Minnesota Seminar Locations
Minneapolis, MN Intro to Mechanical Drawings & GD&T
May 3-7, 2021 GD&T—Intermediate Principles
  GD&T—Advanced Applications
   
Minneapolis, MN Intro to Mechanical Drawings & GD&T
August 2-6, 2021 GD&T—Intermediate Principles
  GD&T—Advanced Applications
   

If you would like to host a Seminar Series within your community or your company, please contact Dr. Greg Hetland for more information.

For our full schedule, visit our GD&T Seminar Schedule Page!


Precision Ground Flatstones
   

Precision Ground Flatstones

Use these flatstones to improve precision ground surfaces or repair surfaces by removing swelling, dents and nicks.

These stones have been ground flat on both faces with a diamond wheel. The long sides are ground perpendicular to allow stoning up to a shoulder. The ends are unground. The stones are used to remove the swellings which surround the inevitable tiny nicks and dents found on any machined surface. They are much like gage block stones, but with a more aggressive cutting action.

The stone’s porous structure allows asperities to penetrate far enough to be trimmed off. When the raised area is reduced in height to about ten microinches, the force is spread out between two relatively large flat surfaces, and cutting activity substantially stops.

Visit the Precision Ground Flatstone product page.

Precision Ground Flatstones

   
 
Dr. Greg Hetland

Phone: (612) 670-9311
Fax: (612) 395-5405

greg-hetland@iigdt.com
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