HOW POSITIONAL TOLERANCING CLARIFIES DESIGN INTENT AND REDUCES PRODUCT COST | Zendy

Edward S. Roth | Zendy

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HOW POSITIONAL TOLERANCING CLARIFIES DESIGN INTENT AND REDUCES PRODUCT COST

Author(s) -

Edward S. Roth

Publication year - 1960

Language(s) - English

Resource type - Reports

DOI - 10.2172/4177769

Subject(s) - geometric dimensioning and tolerancing , dimensioning , engineering drawing , product (mathematics) , computer science , engineering , product design , manufacturing engineering , mechanical engineering , mathematics , geometry , aerospace engineering

The shortcomings of bilateral (coordinate) dimensioning in product drawings as a means of giving engineering information are pointed out using as an example a bilaterally dimensioned plate with four clearance holes for assembling to another identical plate. A new system called positional tolerancing is proposed for inspection criteria for companies with far-flung operations. Paper gage techniques are given for open setup inspection of piece parts. (D.L.C.

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