Hello everyone please i need some help.. I am facing a problem with my cnc milling machine , when i finish a sketch of spline and circles and then save the Drawing as dxf file , after copying the file to the machine i find that every curve spline and circle are not shown instead the machine shows a single straight line !!

Anyone can help me please ?!


Categories: SOLIDWORKS Add-Ins, Design Checker

Comments
Last comment By: Omar Abdelhady   Thu, 14 Dec 2017 21:24:35 GMT
Re: Curves,splines and circles are not read by cnc machine when converted to dxf !

The machines we have here do not accept splines.  Our mills react as yours has.  And our N-Cell laser nesting software creates an
infinite amount of code points along any spline geometry, causing the machine to slow considerably and create a bad cut quality.  In the case of splines:

1) We use Radan to tool the path, then re-export as spline free dxf geometry of arcs and lines

2) Or export from SW as polylines, and allow Almacam to recognize and replace with arcs. 

3) Others may have software that does similar conversions or scenarios for import/export.
3) Use a macro to re-arc splines within SW:

https://forum.solidworks.com/thread/96630

https://forum.solidworks.com/thread/100662

By: John Christensen  Wed, 13 Dec 2017 14:25:53 GMT
Re: Curves,splines and circles are not read by cnc machine when converted to dxf !

Omar,, If you save the file to dxf and have option to save splines as polylines then you can edit that in Acad or Draftsite in order to convert it to arcs and lines. I'm sure your machine will understand that.. Or just explode the polylines and end up with thousands of tiny lines (in some cases). Yep, that slows the machine.

By: Dennis Bacon  Wed, 13 Dec 2017 14:53:36 GMT
Re: Curves,splines and circles are not read by cnc machine when converted to dxf !

Thank you guys for your replies, that helped me a lot.

By: Omar Abdelhady  Thu, 14 Dec 2017 21:24:35 GMT
You are not authorized to view this page No results found! Suggestions: Check spelling, try a different search, or browse topics below.