GD&T
Geometric Dimensioning and Tolerancing (GD&T) is the universally accepted method of communicating part requirements on engineering drawings. GD&T is a way of dimensioning & tolerancing a drawing which considers the function of the part and how this part functions with related parts. It is an engineering design drawing language and a functional production and inspection technique. It helps manufacturers in sophisticated engineering
designs as well as meeting demands for more completeness, uniformity, and
clarity. This unique system uses standard, international symbols to describe parts in a
language that is clearly understood by any manufacturer that is familiar with
the standard. ASME Y14.5M-2009 Standard is an authoritative guide for GD&T. GD&T Intro.
GR&R
Gage Repeatability and Reproducibility tells about the statistical properties of repeatability & reproducibility and reveal the capability of the gages and users - not the statistical properties of the complete measuring system. To learn more about the measurement system, evaluate system bias, stability and linearity. Use well calibrated gages for the study. Gage R&R form. >>
Gedanken
German for 'thought'. Gedanken experiments are impractical to perform but provide an important and useful way of thinking about a problem. What were once gedanken experiments in statistics are now easily performed using computer simulations. .
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Gemba
Where all the activity is. 5 Rules to follow-1. Go to the gemba (also shop floor) first; 2. Check with genbutsu (the actual product); 3. Take countermeasures; 4. Find root cause; 5. Standardize to prevent recurrence
Genchi Genbutsu
Go see the problem. This is the belief that practical experience is valued over theoretical knowledge. You must see the problem to know the problem.
Genjitsu
the real facts and data. this along with gemba and genbutsu are the three reals fundamental to kaizen
Grade
An indicator of category or rank related to features or characteristics that cover different sets of needs for products or services intended for the same functional use.
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