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Messages - BR549

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41
G-Code, CAD, and CAM discussions / Re: Loop-d-loop G41
« on: June 07, 2020, 04:10:00 PM »
Tweakie is correct. IF mach3 sees that the leadin is too short for teh tool it will create a path to make it work. Normally the path will be incorrect when it does so. One of Mach3 quirks.

I would not trust UCCNC error codes either as teh G41 in that controller has quirks of its own.

Just a thought , (;-) TP

42
General Mach Discussion / Re: Probe debounce...
« on: June 06, 2020, 09:51:31 PM »
A Mach3 probe does NOT automatically back away from the trip point . You have to program the macro to do so.

What does your Macro code look like ? IF you think Debonce will help then you use the Debounce setting.



Just a thought , (;-) TP

43
General Mach Discussion / Re: My first air cut (Video)
« on: May 29, 2020, 09:21:16 AM »
When calibrating the rotary axis it is best to do a min 10 turn test to check for errors in the steps/per. At one rev it is very hard to spot a couple of steps error where a 10 turn test makes it obvious.

Just a thought, (;-) TP

44
Mach4 General Discussion / Re: G68 Angle and Probing
« on: May 12, 2020, 09:03:44 AM »
Somewhere on the mach3 YAHOO site is the Gcode to do that function. It was written many years ago.

(;-) TP

45
General Mach Discussion / Re: Punch press cylinder as Z axis
« on: January 23, 2020, 11:50:42 AM »
I dought you will find a software solution to be able to run generic Gcode. So your machine uses Step Direction drives for X and Y ? That would be unusual for such a machine. Most use analog servo drives.

(;-) TP

46
General Mach Discussion / Re: Punch press cylinder as Z axis
« on: January 23, 2020, 11:07:47 AM »
Replace teh 0-10v feedback with a linear encoder. Add a S/D->10v analog convertor to drive teh propotional valve and run teh axis as a normal cnc z axis.

Are your X and Y axis +- 10v analog or step direction ??

(;-) TP

47
General Mach Discussion / Re: New burning machine idea
« on: January 17, 2020, 01:14:32 PM »
IF you need to build a combo machine that can cut profiles , lines and perfect circles then you simply use a XYZ table and add the 4th axis (C) and have the best of both worlds.

(;-) TP

48
General Mach Discussion / Re: New burning machine idea
« on: January 17, 2020, 01:08:02 PM »
If ALL you were ever going to do is cut circles like you said then it would be a very simple machine with basically no high end math involved. There would be a central rotary axis (C) that simply rotates and a linear axis (X) that simply moves away from the center of the rotary. It's motion defines the diameter of the circle you wish to burn.

You could then create a simple WIZARD to define what size cirlce you need and enter in teh specs and it would create teh needed Gcode to burn teh circle.

G0 X0 C0
G0 X5.125  (sets teh diamter of teh circle to burn plus 1/2 of teh cut kerf)
M4 ( start the preheat )
M3 ( start teh cut )
G1 C 365  F10   ( move teh rotary axis 360 degrees ( circle) plus an overburn distance of 5 deg)
M5 ( shut off torch)

You could also do a leadin burn to avoid a dimple at teh pierce point.

Just a thought (;-) TP

49
General Mach Discussion / Re: Losing computers
« on: January 03, 2020, 12:31:58 PM »
I find with older PCS is to leave teh PC ON all teh time. With older PCs the power cycling tends to fail the capacitors more often than not.

Just a thought, (;-) TP

50
Mach3 under Vista / Re: Mach 3 cuts all my DXF drawings 4 times
« on: January 02, 2020, 01:19:11 PM »
You really need to learn teh CAD side of CNC so you can clean up your own drawings before converting to Gcode. You time is free (;-).

(;-) TP

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