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Messages - Tweakie.CNC

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7091
General Mach Discussion / Re: Shop Sabre Mach3 Set Up
« on: April 02, 2010, 09:44:38 AM »
No not necessarily - If the machine is genuinely configured to run from WinCNC (which would indicate that it may have already been modified), then WinCNC outputs step and direction signals to drive the machine in a similar way to Mach. Thus with a bit of sorting the pin allocations and timing it should be capable of running with Mach.

Tweakie.

7092
General Mach Discussion / Re: Shop Sabre Mach3 Set Up
« on: April 02, 2010, 04:08:14 AM »
Hi Bill,

Generally the Shop Sabre machines have their own motion controller built-in and so Mach is not required for their operation. If you plan on stripping out the electronics and rewiring it then use axis controllers which accept step and direction signals to achieve Mach compatability.

Tweakie.

7093
Show"N"Tell ( Your Machines) / Re: My first attempt at a CNC build.
« on: April 02, 2010, 03:52:15 AM »
With regard to your limit switches - It is better to run two wires because the machine frame is not always all at the same potential (moving axis for example may only be electrically connected to the main frame via the slides bearings). Also ground loops are a potential source of noise pickup and subsequent problems. Don't forget to used screened cable (grounded at the controller end only, preferable to a single point ground connection).

Tweakie.

7094
Welcome to the forum Luis.

Looking at your excellent work I think we will all be learning a lot about art from you. In return, the forum hosts many skills in CNC and any problems with your machines or software you post here are sure to be resolved quickly.

Tweakie.

7095
No problem Sir - my pleasure.

Glad you liked the website. I must get on with the laser project now the weather has turned for the better and I don't freeze in the workshop.  ;D

Tweakie.


7096
General Mach Discussion / Re: zero plate problem
« on: March 26, 2010, 12:47:51 PM »
Way to go Paul.

Glad you got it sorted.

Tweakie.

7097
General Mach Discussion / Re: zero plate problem
« on: March 26, 2010, 12:08:58 PM »
Hi Paul,

There are just so many settings within Mach3 that I am not certain about this but....

In the menu bar click 'Config' then select 'General Config' and in the pop-up screen, un-check 'Include TLO in Z from G31'

That should do it.

Tweakie.

7098
General Mach Discussion / Re: dispensing liquid with Mach 3
« on: March 26, 2010, 04:58:07 AM »
Hi Todd,

I think that using the A Axis to drive the pump would be the best solution - that way you have complete control over the volume dispensed and you could also include a small reverse direction to the A Axis after dispensing to prevent unwanted drips at the nozzle when moving to the next X-Y position.

Tweakie.

7099
General Mach Discussion / Re: zero plate problem
« on: March 26, 2010, 04:47:56 AM »
Hi Paul,

After further testing I think you may have missed out the decimal point. To retract 1/2 inch the relevant line should read :-

Code "G0 Z 0.5" 'Z-Axis retract height is set here

Tweakie.

7100
General Mach Discussion / Re: zero plate problem
« on: March 26, 2010, 03:37:33 AM »
Hi Paul,

Strange - Only retracts 0.5 on my machine.

Which version of Mach3 are you using please ?.

Tweakie.

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