Classification of Engineering drawings as per Standards

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Discussion Overview

The discussion revolves around the classification of engineering drawings, specifically the concept of "Level 1" engineering drawings and their relation to standards such as the ASME Y14 series. Participants seek clarification on the definitions and classifications outlined in relevant standards.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about the meaning of "Level 1" engineering drawing and its classification within the ASME Y14 series.
  • Another participant suggests that "Level 1" may refer to a course on applying ASME Y14 rather than a specific drawing classification.
  • A different participant expresses uncertainty about the existence of "Level 1" drawings in the ASME Y14 series and proposes that it might relate to assembly levels of drawings.
  • One participant notes that "Level 1" is not part of ASME Y14 but is mentioned in a military standard, indicating a potential overlap in classification systems.
  • A summary of levels is provided, suggesting that Level 1 pertains to conceptual and developmental design, while Level 3 involves detailed production drawings requiring precision.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the definition of "Level 1" engineering drawings, with multiple competing views presented regarding its classification and relation to different standards.

Contextual Notes

There is a lack of clarity regarding the specific definitions and classifications of engineering drawings, with references to both ASME Y14 and military standards, which may have different criteria.

greenclover
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Hello,

What is Level 1 engineering drawing? What does it mean?

Is there any particular section dealing about classification of engineering drawings in ASME Y 14 series.

Please throw some light on this

Thanks
 
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Anyone, please share their knowledge
 
I can't say I ever remember anything called "Level 1" type of drawing in any of the ASME Y14 series. I'll have to take another look through to make sure.

Perhaps it is in reference to an assembly level of a drawing. In other words, the most basic level is a part drawing. The next higher level could be a subassembly level, the next higher level another subassembly. The highest level being the top level assembly drawing.
 
Thanks Tyroman and FredGarvin.

As FredGarvin pointed out, it is not part of ASMEY14, but was mentioned in MIL standard.
 
In a nutshell: Level 1 – Conceptual and Developmental Design, Level 2 – Production Prototype and Limited Production, Level 3 - Production.
In level 3 drawings, all of your i's must be dotted and t's crossed, with nothing left open to varying interpretations.
 

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