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119 records matched your query of MODEL BASED DEFINITION. Outputting records 1 to 20.
... definition. I've seen some companies callout a general profile tol based on the model for all surfaces... ...There have been several threads both here and in other forums on use of MBD (Model Based... ...Mike, ASME Y14.41 attempts to set the baseline for Model Based Definition and various CAD packages... ...By the way Kjroonie Model Based Definition has been touched on many tmes before.
A quick search... ... DEFINITION. MODEL GEOMETRY IS BASIC.
I created these after reviewing the info here on this site, asking... ... my own questions on Model Based Dimensioning, and trying to read through ASMe Y14.41. From memory I... ...Model Based Definition?... ...Model Based Definition.
Plenty of people equate that to "Send them the model" (or a STEP... ... practices in some way. The Y14.5.1M-1994 mathematical definitions standard created a novel definition based... ... are easily detected for sufficiently small epsilon based on the above local size definition. Whether... ... draw to this may be a case where Model Based Definition makes sense (ASME Y14.41).
If nothing else... ...Thanks Guys. I believe we will pursue the Model Based Definition. However, this is a medical device... ... programmers, working from a CAD model, machine to the nominal (CAD) size for the most part, without checking... ... of spec based on a normal-distribution manufacturing process.
Jim Sykes, P.Eng, GDTP-S
Profile... ... or point. However, they don't need to - the definition of "datum" in Y14.5 is incomplete. A datum can... ... the section and paragraph for this definition and its application in the ASME Y14.5m 1994?
I will agree... ..." when the [i]very definition[/i] of derived median line invokes cross-sections based on the UAME... ... of the median line though." But the definition of derived median line (1.3.31) says that it's based... ... this post but lose track now.
On the slightly off topic but realated issue of Model Based Definition... ... or rejected based on a CAD model.
In either case, so what. It's a CAD model with no tolerances. How... .... If you are using model based definition, I recommend envoking ASME Y14.5-2009 and using the ALL OVER... ... for a common set of functionalities, and start the transition over to model-based GD&T application... ... but because we're going in the direction of using the model as primary definition for some castings... ... within the model itself otherwise known as "Model Based Tolerancing". The idea is that the tolerance... ..., excuse me, monitor screen.
Have you consicered Model Data Set definition for the parts..... ... that the authority for acceptance of an extension to the standard’s fundamental principles is based... ... the second definition of dimension (space).
Thank you,
~Justin... ... that "are not dimensioned." Are you referring to implied coaxial features? Or a print that appeals to the CAD model... ...Based on what theory exactly?
[quote pmarc]we can say that my picture follows ISO definition... ... of Y14.5 standard. The definition of actual local size is really unclear. In ISO this is clearly... ... is it? Going further, what about model based definition? No drawing, no dimensions "shown" anywhere.
[quote... ... on composite material using a GOM Blue Light ATOS 3D Scanner and gave the tolerance based on the Model with a... ...-model?
And also it doesn't apply to reference dimensions and basic dimensions?
And also it doesn’t... ... and which are NOT basic. Reference dimensions don't have any meaning as far as part definition is concerned... ...Same definition, but:
R; Flats and reversals allowed
CR; Flats and reversals not allowed
Chris... ... the definition of R. (See attached pdf)
powerhound,
This may seem silly but it is fundamental... ... circles, the machinist should be able to model them on CAD, and use this to set up his CNC machine. Often... .... ("for reference purposes only, unless such data are vital to end definition and engineering control of the product... .... The model is regarded as the master definition. We do the same when outsourcing tooling. It has worked... ... making an attempt to create standards based on ANSI Y14.5.1 and also instill good drafitng practices... SEARCH AGAIN
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