Difference between nominal diameter and gross diameter
Answers
Gross diameter is the diameter of rivet shank after fixing it to the body(which is more than the diameter of shank before fixing it,which is known as Nominal Diameter of Rivet),obviously it is important because it holds the body.
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Answer:
The difference between nominal diameter and gross diameter for the rivets up to 25 mm diameter diameter is 1.5 mm.
Explanation:
Nominal Diameter is likewise referred to as the mean or average outside diameter and is represented by DN. It is neither same to the internal diameter (ID) nor the outer diameter (OD) of the pipe. Nominal is a phrase that denotes non-specificity and on this case, identifies the approximate internal diameter with a non-dimensional number.
Pipes having same nominal diameters may be without difficulty linked or interchanged with every other. Pipes are to be had in one of a kind DN sizes and the DN is used to reach on the pipe dimensions the usage of general tables and schedules.
The gross diameter of a rivet is the diameter of the rivet after driving and this diameter is used for the designed purpose. Actually, it's far assumed that the rivet hole is absolutely crammed rivet material after riveting. The gross or effective diameter of a rivet approach the diameter of the hollow or closed rivet.