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How to draw the curvature of the pipe radius

2011-01-17View Original

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I would appreciate some guidance on how to create CAD drawings of elbows with R=1.5D and R=2.5D.
Reply #22011-01-20
I’m not sure what the original poster is trying to ask. Does R=1.5D mean something? R refers to the radius of the elbow’s centerline, while D refers to the diameter of the elbow
Reply #32011-01-20
The specifications specify the radius of curvature for elbows of various nominal diameters; this is essentially the radius of the elbow’s center line. Assuming OR is the outer radius and IR is the inner radius (both referring to the outer diameter), then OR = R + D/2, IR = R – D/2, and OR – IR = D
Reply #42011-01-20
In which specification can I find it? I searched for a long time but couldn’t find it

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