Goku360 Posted September 6, 2014 Share Posted September 6, 2014 I have been trying to create the inner vanes of transit mixer drum. As you can see in the images the vanes it is a double start helix which has been color coded green and yellow respectively. The problem is that: I am unable to flatten the inner spiral and hence unable able to get developement length of the inner vanes nor the inner and outer diameter of the vane in such a way that after cutting/dividing the vanes in sections for example at an angle of 120 degrees, since in real world the sheetmetal has to be cut in sections either by laser or plasma cutting and then twisting each section by beating with hammer and then welding it on the inner periphery of the drum inorder to take shape of a spiral. The inner and outer diameter and flat pattern of each section of the vane is required after flattening it since it has to be sent for laser cutting in 2d I have been try to find a solution for days but have been unsuccessful so far please help me out 5.pdf Quote Link to comment Share on other sites More sharing options...
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