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bnoll1-Visitor
1-Visitor
July 13, 2016
Question

Drawing View Orientation - 1st vs 3rd Angle (Globally)

  • July 13, 2016
  • 1 reply
  • 6334 views

Today my company has the requirement to create multiple drawings of the same model to support 1st and 3rd angle projection requirements in multiple factories.  I am seeking others input as to how companies may have handle this situation as it is duplicate work.  While a config option change allows for new view to be created in a different orientation, it does not update or change those views already on the drawing.

This seems quite simple as globally the company should decide on one angle of precision, but are there other options?  I have heard the term "declared" views, but ASME Y14.3 does not specify the use of these, nor can I find documentation online to support this theory.  Maybe they are technically known as something else?

Just looking for other opinions or suggestions.

Thanks much!

Brian


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1 reply

R
RonSt.Pierre12-Amethyst
12-Amethyst
July 13, 2016

First of all, a model does not have defined "views", only the drawing does.

With that being said, it is conceivable to create two separate drawings that point to the same model.

One drawing could use a first angle.dtl while the other uses a thirdangle.dtl.

Units could possible be troublesome if they need to be different...

There is a third option - view arrow method.

ron

R
RonSt.Pierre12-Amethyst
12-Amethyst
July 13, 2016

found it...

viewarrowmethod.png

K
Kevin1-Visitor
1-Visitor
July 14, 2016

Something else to think about, the views aren't different on first and third angle projection, what's different is the positioning of the views. You also may not need to do as much work as you think depending on the complexity of the drawing. When you change the angle of projection in your *.dtl, you can convert the projection of views already defined by changing the projection view to a general view and applying the setting then changing the view back to a projection. The views will update and dimensions remain on the drawing. There will be clean-up such as re-positioning dimensions or moving them to appropriate views and making sure auxiliary views are positioned correctly.

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