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Topics - JoeS01

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In AutoCAD 2018, I  made a simple drawing , a U shaped 3 sided drawing, with the 4th side a curve of radius 150mm. Save as a dxf file and a pdf file showing the dimensions ( see attached).
In AutoCAD, in DWG TrueView and in DWG FastView, and in  DWGSee Pro, the curve is very smooth, no sign of any faceting.

When this DXF file is imported into Mach3, the end result is a faceted curve, and the CNC router cuts it like that.
When the DXF file is imported into Easel (see Inventables.com), the faceted curve appears again , as per the attachment CNC Image.pdf

Can anybody please advise what might be happening to make these faceted curves appear, and the best way to prevent it and get a smooth curve on the CNC router?

kind regards to all,
Joe

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Mach4 General Discussion / System recommendation for newbie
« on: November 04, 2019, 01:09:35 AM »
Hello, I am new to CNC.
 I have a CNC3040 mini-CNC 3 axis engraver with faulty controller that needs replacing. The manufacturer wants a lot of money for it.
I have an old HP Compaq dc7700 low profile desktop computer, 2 GHz CPU and 4GB RAM  with a Windows 7 32 bit system. This PC has a parallel port, USB 2.0 and Ethernet ports. It also has a separate Radeon 6450 video card with 1GB memory.

Can anyone please suggest the best configuration of hardware and software to get this system up and running ?  My preference is to run Mach 4 software if you agree that is the best way to go

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