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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
  • 6332 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

B
bnoll1-VisitorAuthor
1-Visitor
July 14, 2016

Ron -

We have already agreed to metric modeling units, so that is a plus.  If needed we will dual dimension drawings, with metric as primary, imperial as secondary.

Prior to me taking over as Product Design Manager of our Compressor group, the previous manager was going through an effort to create "one" drawing globally.  This has turned into a nightmare to manage, as each manufacturing facility wants something different.  Yes, this may be beneficial to others in the business (procurement), it was a huge detriment to our design cycle schedules, and honestly that is the only thing looked at from our management.

We are in the process of revamping our entire design process and forming a plan to reduce the overall commitment as best we can.  We all agree the "one" drawing approach is not the right solution for this, except for our manufacturing facilities because they basically got a working drawing for free from engineering.

I have defined a matrix of drawing differences from engineering and all manufacturing facilitates and most can be handled with proper procedures and standardized methods, but I cannot get over this angle of projection hurdle.  We have built in time for the local manufacturing facilities to determine if they can use the base engineering drawing, but if they cannot we want a very quick automated solution to create these local variants.

The tool is developed, just need to break this hurdle.

Again, thanks for the comments.

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