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Messages - Tweakie.CNC

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4751
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: May 23, 2012, 11:42:13 AM »
Just a note, for others that follow….

The bench top type of CO2 laser machines imported from China will not cut metals without some major modifications. It is basically a reaction between the combination of the laser beam heat, the assist gas and the carbon content of the material which allows metals to be cut (with stainless steel being the preference).
A group of us, here in the UK, investigated metal cutting but as quite large volumes of Oxygen were required as the assist gas it was concluded to be an extremely dangerous venture for a home shop environment and it was suspended.

Tweakie.

4752
General Mach Discussion / Re: Noob Configuration Help
« on: May 23, 2012, 02:25:10 AM »
Hi Yesd0g,

I think you need to check your pin assignments for step and direction (ports and pins) also reduce your Velocity and Acceleration settings (motor tuning).
Do you have the recommended settings in your machine manual ??

Tweakie.

4753
General Mach Discussion / Re: version download
« on: May 23, 2012, 01:50:04 AM »
Hi Gregg,

As John has said, the development version R3.043.062 handles the M10/M11 just fine.

Tweakie.

4754
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: May 23, 2012, 01:08:21 AM »
Hi Fernando,

With the right lens yes it will cut metal but only very thin stuff and not all types / compositions (the shorter wavelength YAG lasers are usually used for metals).

Sorry but this is not an area in which I have practical experience so cannot give any more detailed information.

Tweakie.

4755
General Mach Discussion / Re: Indicator led lights
« on: May 22, 2012, 02:33:37 AM »
Hi Steve,

Use one of the Mach3 Screen designers to add an LED in an appropriate place on your screen. This LED is then mapped to your switch.

Tweakie.

4756
General Mach Discussion / Re: Help with electrical interference
« on: May 21, 2012, 11:45:13 AM »
Hi Stuart,

Pleased to hear you are making some progress.
As Hood has suggested your shields must only be connected at one end (preferably the controller end).

Tweakie.

4757
Tangent Corner / Re: If Only.
« on: May 21, 2012, 11:42:03 AM »
 ;D ;D ;D

Tweakie.

4758
Tangent Corner / If Only.
« on: May 21, 2012, 08:12:39 AM »
If only I had the CNC files for the Olympic Torch - have you seen the price these are currently fetching on eBay ??

Tweakie.

4759
Nice work Dave - things like this make all the machine building time worth while.

Tweakie.

4760
General Mach Discussion / Re: Help with electrical interference
« on: May 20, 2012, 03:46:56 AM »
Thanks Tweakie,
This was something I was also thinking about doing but wanted to hear from others first. So I am clear, we are talking about a normal Ceramic Cap (not electrolytic)??

Appreciate your good advice.

Stuart

Hi Stuart,

Yes, the miniature ceramic disc caps are OK (don't forget to sleeve the leads, if necessary, so they cannot short to each other)

Tweakie.

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