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7.5 DIMENSIONS IN THE ASSEMBLY DRAWING

The followings dimensions are marked in the assembly drawing of an article:
1. Overall dimensions, which characterize height, length and width of an article or its the
greatest diameter. If one of these dimensions is changed after wards the shipment of
mobile parts, thus, dimensions in extreme positions of mobile parts are shown on the
drawing.
2. Fixing or assembly dimensions, necessary for correct connection of parts, located in direct
connection in an article.
3. Setting and conjunctive dimensions, which determine dimensions of elements, due to
them an article is installed or joined to another article.
4. Operating dimensions which show some calculation and structural descriptions of an
article.
The dimensions of separate parts or their elements are not shown in the assembly drawing.

QUESTIONS FOR SELFCHECK

1. What is assembly drawing?
2. What must assembly drawing contain?
3. How making assembly drawing?
4. What are part numbers?
5. What dimensions we should put in the assembly drawing?

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