Yes, in your example reposted below the application of CF is not clear Add to Want to watch this again later? So if we were to run across the example above where the groove shoulders were machined to MMC, and offset to the allowable maximum, our part will maintain interference until the bore ID is at MMC. Axis Parallelism is a tolerance All times are GMT Is it correct to use the continuous feature symbol in this case? An example of this would be Figure of the standard. To start viewing messages, select the forum that you want to visit from the selection below. These are then referred to by one or more 'datum references' which indicate measurements that should be made with respect to the corresponding datum feature. I do not think that it is correct to use CF on the corner radius.
Engineering Manager (Mechanical Section Manager) at Raytheon You see, that little “” symbol can clear up a lot of confusion and save a lot of To explain this, let's dive into an example of a partial drawing from my. You have a 20 mm dia shaft of around 60 mm length and on that you have two undercuts 10 mm of width 20 dia shaft has been divided into three regions.
Video: Cf symbol on drawing section QUICK TIP: Section Views in Drawings
All Over This Side of Parting Line [ ASME Y Section ] - To apply a the between symbol (since ) or the word between on drawings made to of size, there is an example of CF being applied to a pair of planar features.
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Sign in. To start viewing messages, select the forum that you want to visit from the selection below. However, this is actually an incomplete method of specifying related features because rule 1 of Y
F:rear view. Symbol of third angle projection.
Video: Cf symbol on drawing section #GD&T (Part 1: Basic Set-up Procedure)
Views . Conflat(CF) metal-seal flange.
(reducer). My own interpretation is that the symbol is wrongly used in this case. First, the engineering drawing is hard to read and incomplete. If a part has several coaxial holes that are non-continuous or have gaps of air. Anyone been able to find the GD&T symbol CF (Continuous Feature) in.
This post could be a way to share how people are doing drawings to.
Generally we used 3 X 20 dia to denote the three features but If we use CF that means that whatever feature at 20 dia is is a continous feature rather than three seperate ones so they need to be controlled as a single feature.
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The design intent is to control the location of the square feature with respect to the horizontal datum common to all 4 square features and the vertical datum individual datum for each square feature. Tolerances: Type of tolerances used with symbols in feature control frames can be 1 equal bilateral 2 unequal bilateral 3 unilateral 4 no particular distribution a "floating" zone.
That is why I could not accept the use of CF in the drawing because the 4 square holes are not coaxial and cannot be treated as a single feature. Category Education.
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|I am not sure if they really understand what is the difference between true position with or without diameter symbol.
Conor Neill Recommended for you.
Tolerances for the profile symbols are equal bilateral unless otherwise specified, and for the position symbol tolerances are always equal bilateral. When a true position has no diameter symbol, it is basically controlling only in one direction. Is it correct to use the continuous feature symbol in this case? The axes for the datum and referenced feature are derived from the median points of the part or feature.
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