how to draw this spring in proe

[prasadh]

<a target="_blank" href="uploads/prasadh/2012-10-01_054950_spring.zip" target="_blank">2012-10-
01_054950_spring.zip</a>

Can any one help me for modeling method of this spring...

 

[kenppy]

For the regular spiral insert a curve using a cylindrical equation, copy
this curve and add the end bits then extrude or otherwise.

see example




2012-10-01_090023_spiral.prt.zip

 

[prasadh]

Thank you very much kenppy....