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Messages - Tweakie.CNC

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7131
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: October 22, 2009, 02:35:41 AM »
Thanks Guys.

I keep wondering if the cooling system will be man enough for the job.  ;D

Tweakie.

7132
Thanks for the compliments Guys.

Nothing special is done to the cutting path - the important thing is the tip offset of the cutting knife (the smaller the better) and it's freedom of rotation. The 90 degree corner radius, which is produced by drag knifes, is only just perceptible and in many ways it is an advantage in so far as that the vinyl may otherwise easily tear at a sharp corner when weeding. For really small signage the very thin vinyl (used for RC model decals etc.) is superb.

Now that Winter is almost here I will try to increase the X file page on my website to cover more aspects (RSA encryption and factoring of large numbers).

Tweakie.

btw. I think Gertrude is a mill (with rotary axis).

7133
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: October 21, 2009, 10:20:01 AM »
Just engraved some of the obligatory labels that have to be fitted to the laser housing.

Tweakie.

7134
Show"N"Tell ( What you have made with your CNC machine.) / Vinyl Cutting.
« on: October 21, 2009, 10:11:57 AM »
I made a self steering vinyl cutter (drag knife) some time ago and for anybody that is interested the details can be found here:-   http://www.cooperman.talktalk.net/files/11.htm

Thought I would adorn my machine with yet another sticker.  :-\

Once the design has been converted to vector it is cut into the vinyl - then comes the fiddly weeding bit to remove the unwanted vinyl - then application tape is applied over the top and the design peeled from it's backing and applied to the machine - then the application tape is carefully removed - simplicity itself.

Tweakie.

7135
Show"N"Tell ( Your Machines) / Re: My TSlot based router...
« on: October 20, 2009, 01:44:22 AM »
That's a brute.  :D

Tweakie.

7136
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: October 19, 2009, 11:14:19 AM »
Now that the beam steering fixture, mirror positions and adjustments have all been carried out using the HeNe laser it is now time to fit the CO2 tube onto it's mountings and connect the wiring and pipework. I have also fitted a small, digital milliamp meter (to the front of the laser enclosure) which will display laser current during use.

Tweakie.

7137
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: October 17, 2009, 09:14:28 AM »
Started getting the parts fitted to the machine. Radiator, circulating pump and flowswitch are in place. Still waiting for the header tank and fan guards but this will not hold up the wiring etc.

Tweakie.

7138
General Mach Discussion / Re: No Movement
« on: October 15, 2009, 01:21:53 PM »
I could be a number of things, your configuration settings, your controller or your interconnection wiring but one thing you can be certain of is that it is not is Mach3 itself.

Could you step a motor by toggling the relevant step pin using Parmon ?.
Can you rotate any of your motors by hand when the machine is powered up ?

Tweakie.

7139
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: October 14, 2009, 02:33:01 AM »
Another piece in the grand jigsaw puzzle has arrived from the USA. This is the Gems Sensors flowswitch - it has 1/4 NPT threads and I have made hose connections from stainless and phonelic which can be attached with pipe fittings.

Tweakie.

7140
Tangent Corner / Re: Mystery object ?.
« on: October 14, 2009, 02:25:35 AM »
 ;D ;D ;D

Tweakie.

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