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How to model slideway ( twist guide for the aluminium cans) in SolidWorks.

By michal on 08 Mar 07:09 3 answers 6 comments

My problem is to model slideway for empty cans. Main problem is in round bars.

I need to have good models of bars for CNC bending bars machine.

I tryied to use a combination of:

loft - when bars goes only in Radious
loft with twist along the path - when can is rotated along the path.

But it do not looks good- i obtain not smooth regular shape.

What operations i should use in solidworks to make it in the proffesional way.

The can inside do not may to stock- so the profile along the path shall be always the same.
I'm adding the pictures of oryginal guide which i must modydi for inner can.
and my test-sample creenshots with bad method of modeling(not smooth shape)

Added images

Square Square Square

3 answers

  • Branko Stokuca
    Branko Stokuca over 4 years ago

    Why don't you try using composite curve. After making the path that consists of several lines use composite
    curve to create one path and than use the sweep.

  • Waleed Kahn
    Waleed Kahn over 4 years ago

    howzit gave it a bash
    you can controle spline pretty well with sketch points
    try this
    you get vey good control


    guide.SLDPRT, 279 KB
    spline.docx, 1.58 MB
  • michal
    michal over 4 years ago

    Ok guys! Thanks a lot for your sugestions.
    Finaly i did the smooth shape with "parrallel" bars among all the path with loft operation.
    I lofted - Two round profliles and give the moddle path (3d sketch - splajn with only one point to control -which i fixed into auxiliary sketch, begining and the end tangent to existing bars.


    Guide_test.sldprt, 729 KB

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