Hello Guest it is August 18, 2019, 04:02:04 AM

Author Topic: Toolpath screen in Mach3 is upside down?  (Read 7442 times)

0 Members and 1 Guest are viewing this topic.

Toolpath screen in Mach3 is upside down?
« on: May 11, 2009, 09:25:50 AM »
I figure this is probably something really easy I can't find...

My toolpath view in Mach3 is always upside down?  If I am surfacing a material in three passes, it shows the bottom cut first, then the middle, then the top (as shown in the toolpath view), however on the part it is obviously cutting from the top down.  What am I missing?

Thanks

Offline Hood

*
  •  25,849 25,849
  • Carnoustie, Scotland
    • View Profile
Re: Toolpath screen in Mach3 is upside down?
« Reply #1 on: May 11, 2009, 10:33:55 AM »
In machine coords when your z axis is fully up is it zero and then any move down into the work is a negative?
Hood
Re: Toolpath screen in Mach3 is upside down?
« Reply #2 on: May 13, 2009, 12:04:38 AM »
In machine coords when your z axis is fully up is it zero and then any move down into the work is a negative?
Hood

Yes

Offline Chip

*
  • *
  •  2,056 2,056
  • Gainesville Florida USA
    • View Profile
Re: Toolpath screen in Mach3 is upside down?
« Reply #3 on: May 13, 2009, 12:16:21 AM »
Hi, Radioactive

If your not setting the "cut depth" to a neg. value (-#.####) In your G Code this will/can happen.

Chip
Re: Toolpath screen in Mach3 is upside down?
« Reply #4 on: May 13, 2009, 01:05:03 AM »
I've been setting the cut depth negative, however does the peck depth or step depth need to be negative as well?

Offline Chip

*
  • *
  •  2,056 2,056
  • Gainesville Florida USA
    • View Profile
Re: Toolpath screen in Mach3 is upside down?
« Reply #5 on: May 13, 2009, 01:28:33 AM »
Hi, Radioactive

Hard to say, What are you using to generate the G Code file.?

Chip
Re: Toolpath screen in Mach3 is upside down?
« Reply #6 on: May 13, 2009, 09:58:46 AM »
NFS wizards...  Last night I was drilling some holes (used the linear hole wizard).  All the toolpaths show it moving to the correct X and Y location, then traveling upwards on the screen to do the drilling.  In reality the drill bit is traveling downwards into the material and my Z is getting more negative as it drills downwards. 

I figured I must have something configured incorrectly somewhere.  It's like the toolpath view has a configuration somewhere to select whether Z is normally pointing upwards or downwards (for positive values).  My small X,Y,Z indicator shows that Z is pointing straight down.

Offline Hood

*
  •  25,849 25,849
  • Carnoustie, Scotland
    • View Profile
Re: Toolpath screen in Mach3 is upside down?
« Reply #7 on: May 13, 2009, 11:18:13 AM »
can you post an example of the code that you are having problems with?

Hood
Re: Toolpath screen in Mach3 is upside down?
« Reply #8 on: May 13, 2009, 11:31:16 AM »
I'm currently at work so this version of Mach 3 isn't setup the same as my one at home.  Isn't there a file I can copy from my home pc to this one that will bring all the settings with it?

Regardless, here is a screen shot that shows the simple code and a view of the toolpath.  HOWEVER, this one is shown correct.  My machine PC would show the Z movement flipped.

I guess I can't attach an image.  It appears as though I must post a link to a hosting site, which I can't do from work.

Here's the code:

(Code by Newfangled Wizard, 5/13/2009)
(Program Posted for Aluminum )
G0 G49 G40.1 G17
G80 G50 G90 G98 
G20 (Inch)
(***** Linear Hole Pattern *****)
M6 T1
M03 S4000
M7 (Mist On)
G00G43 H1 Z0.2
G73 X1 Y1 Z-1 Q0.05 R0.2 F7.9
G91 X1 Y0 L1
G80
G90
M5 M9
M30
Re: Toolpath screen in Mach3 is upside down?
« Reply #9 on: May 13, 2009, 11:32:53 AM »
This problem isn't normal right?  I mean, typically on a milling machine with the quill up all the way, that is considered zero and any movement downward is negative. Correct?