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Messages - Chip

General Mach Discussion / Re: Homing Problem - Slave Axis
« on: January 31, 2009, 01:31:55 PM »
Hi, Joepardy

I used X, C axises to save the A for rotary use later if needed, Yes if you have one axis reversed you'll need to change the wiring.

Stepper 4 wire type, Swap the A, A- wires around on the motor, On stepper 5 wire type, Reverse the 4 wires on motors 1, 2, 3, 4, to 4, 3, 2, 1.

Servo's, Swap the motor + - wires around and swap the A & B encoders outputs.

Sent you a PM top left of this screen, Click on Messages.


General Mach Discussion / Re: Homing Problem - Slave Axis
« on: January 31, 2009, 01:13:56 AM »
Hi, Joepardy

Are you using the "Reversed" settings on you X or A axis.

Looked back at the xml used on the gantry water-jet cutter, We used X and C axises with no "Reversed" on ether axis in Homes & Limits and DoButton( 22 ).


General Mach Discussion / Re: Homing Problem - Slave Axis
« on: January 30, 2009, 09:04:52 PM »
Hi, Joepardy

Try this in your "Ref All Home" Button's, I had similar Issues with a X, A, dual Axis system awhile back.

DoButton( 24 ) 'Z Home Axis
RefCombination( 9 ) 'X + A Home
DoButton( 23 ) 'Y Home Axis

Hear's some info to review from some Post's.

"Art wrote....> Common problem. When you home , the slaving is disabled till the home is
> done. This is done to auto-square the gantry of such a system, thats why
> the
> lack of slaving when you stop the homing.. The solution is to make the
> homing go in the correct order. This is done by modifying the Homing
> button.. If you open the 1024.set file in the screen designer and double
> click the "Ref All-Home" button, you will see the code is
> DoButton( 24 )
> DoButton( 23 )
> DoButton( 22 )
> DoButton( 25 )
> This basically calls the Z, then X then Y and A homes. This needs to be
> changed to ..
> DoButton( 24 ) ' this homes the Z
> DoButton( 23) ' this homes the Y
> RefCombination( 9 ) ' this will home the X and A at the same time.
> RefCombination accepts a number where X = 1 , Y = 2, Z = 4, A = 8, you
> simply add the values of the axis
> you wish to home, so X + A = 9..
> The squaring will be automatic and can be adjusted by your settings for
> the home position of the switches..
> Thanks,
> Art
> www.artofcnc.ca

Art also wrote this... and I found the complete "Refcombination" listing here....

"Art wrote....   The home switches, (which may be set to the same input as the limit
switches), are used only for homing. The axis will move to the switch, then
slowly move off.

   The program by default does one at a time, because thats the most usual
combination. YOu CAN move any combination at once by editing the RefAll
buttons script. There is a command called RefCombination( n ) which will ref
any combination of the axi s. N is calcuated by adding the following

X - 1
Y - 2
Z - 4
A - 8
B - 16
C - 32

Ref X and Y together would be RefCombination( 3 )

Hope this Helps, Chip

General Mach Discussion / Re: 'y' and 'z' axis working together?!?!
« on: January 30, 2009, 01:40:25 PM »
Hi, Odinson

Glad you got it working, Would you post the final Motor Outputs settings.


FAQs / Re: M98
« on: January 30, 2009, 01:16:40 AM »
Hi, Mario

Try this'

G54 G94 G90 G21
M6 T1
G43 H01 G0 Z50
G0 X0 Y0
M98 P2000 L50; P2000 calls O2000, L50 repeat's it 50 times
G0 Z10 M30

G81 R2 Z-12
G91 X5
G90 M99
% ;need this or blank line feed also


General Mach Discussion / Re: 'y' and 'z' axis working together?!?!
« on: January 28, 2009, 01:13:58 PM »
Hi, Odinson

Sounds like your Ports & Pins settings are set incorrect, In Motor Outputs re-check your Pin setting's.

1. Direction & Step "Low-Active's", Should be ALL be the Same, Ether All ("Check" or All "X") ed. (Only exception is if your using different type's of driver board's).

If any Axis Run's Backwards, Use, Configure, Home & Limit's, "Reversed", ("Check" or "X") ed., To resolve this.

Just a start, Chip

General Mach Discussion / Re: Help with G-Code?
« on: January 26, 2009, 12:30:38 AM »
Hi, Tom

It's under this Tab.


General Mach Discussion / Re: Gantry Jerk at Reset
« on: January 17, 2009, 11:42:07 PM »
Hi, Wayne

Your gantry is twisting. It can be allot of issues, Steps Per settings different on one side, Homing issues, Home  SW's settings issues, Lost step's on one side, ...........

Give us the details as Hood stated, Have a overhead gantry water jet hear, Been down this road myself.


LazyTurn / Re: LazyTurn
« on: January 17, 2009, 07:07:35 PM »
Hi, Art, Dave

Edit: I figured it out DUaaaaaa, You need to use Lt or Rt Tool select, Not Center..

Thanks, Chip

LazyTurn / Re: LazyTurn
« on: January 17, 2009, 04:51:10 PM »
Hi, Art, Willem

That fixed it up, All tool's seem to load now, Her's 3 dxf's all the same except for left side shape termination, one good two are bad.

I see you cant rotate the cutter insert's now, In time will get it back when you get the final pass worked out, I'm guessing.

Willem, With the large Units your using, There's allot of calculations going on with small cuts per pass values are used, When proofing the profile try using a larger per pass value, It speeds it up allot.

Thanks, Chip