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Calculators
Geometric Dimensioning & Tolerancing Training
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This calculator calculates position tolerances utilizing principles and
concepts within ASME Y14.5M - 1994, Geometric Dimensioning and Tolerancing
(GD&T).
For the equations behind this calculator, see:
"Geometric Boundaries"
Interpretation and Application of
Geometric Dimensioning and Tolerancing
Open Calculator See application at bottom of page.
This calculator will calculate the required field for the given condition.
Calculations assume a line-line case with "Clearance = 0" or will compensate for
a static clearance as defined.
Note: All fields require an input except field being calculated.
Four (6) inputs are required.
See the
application illustration at bottom of page.
The following are definitions for the elements: Hole Diameter H2- This is the smallest hole
(MMC) or similar other feature of size.
Hole Tolerance Tol_h - This is the positional tolerance for the given
feature of size. Hole Size (Datum) H1
- This is the smallest hole (MMC) for the given feature of size. Shaft Diameter D2- This is the largest size (MMC) of
the shaft or other feature of size.
Shaft Tolerance Tol_d - This is the positional tolerance for the given
feature of size. Shaft Size (Datum)
D1 - This is the largest shaft (MMC) for the given feature of size. Clearance C - This is additional clearance required
for design when line-line worst case condition is
not desired.
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