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Messages - Tweakie.CNC

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5531
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 05, 2013, 11:44:57 AM »
Thanks again Dan.

That led to video showing almost exactly what I want to do  http://www.youtube.com/watch?v=5NFk4Yv_ePc&NR=1&feature=endscreen

Tweakie.

5532
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 05, 2013, 11:19:55 AM »
Hi Dan,

Thanks, I will do a search and see if I can find it.

Tweakie.

5533
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 05, 2013, 10:56:33 AM »
I love the effect of the "scrimshaw" look that you get with that. I'm imagining the old oriental carvings or the scenes that sailors on ships would do on ivory teeth/tusks.

Interesting technique indeed!
Dave

Hi Dave,

I agree with you, they certainly can look really old world.

Something I want to try is a circular, rotating, panoramic view around a cylinder and since Terry created the Y to A cylindrical mapping screen this project has started to look a whole lot easier to do. I have seen pictures, in old books, where this sort of thing was done on lamp shades but I am thinking more of incorporating it into the base of a lamp. All I need is time  ;D

Tweakie.  


5534
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 05, 2013, 06:27:37 AM »
Hi Bry,

The original discovery was made whilst using the blue 'Painters Tape' but I am uncertain if this contains PVC so it would need to be ‘burn tested’ before trying - just to be sure.

I used the paper transfer tape, as used for the application of vinyl signs. Different tiles and possibly different makes of tape will produce slightly different shades - this was one of the super white tiles which have a slightly bluish appearance the standard white tiles produce more of a sepia shade. As far as I am aware it only works with ceramic glaze.

I would be most interested to see / hear of others results with this.

Tweakie.

5535
Show"N"Tell ( Your Machines) / Re: The Laser Project.
« on: January 05, 2013, 05:45:31 AM »
A recent, accidental, discovery (not by me) when laser cutting a mask in preparation for paint spraying revealed that the adhesive and or mask somehow fuses with the ceramic surface glaze on wall tiles.

Obviously I had to give it a try and this is the result of my first test. I am not certain about the long-term durability but this has been through my dishwasher once without any noticeable degradation – if it survives say 10 cycles through the dishwasher then I would say that it is pretty permanent. An interesting discovery.

Tweakie.


5536
Hi Zig,

Any stress applied to the stepper will ultimately shorten its bearing life but that could well be after years and years of use.

Coupling miss-alignment will most likely show as a reduction in maximum axis speed (the motor will stall at a lower rpm due to the torque reducing with speed).

I am looking forward to seeing some more pictures of your build as you proceed.  ;)

Tweakie.

5537
General Mach Discussion / Re: Anybody ever seen this???
« on: January 04, 2013, 08:36:58 AM »
You could check that you have the correct 'Direction pin' configured, and correctly connected, for your slave axis (obviously the 'Step pin' is correct).

Tweakie.

5538
General Mach Discussion / Re: Steps per and velocity Problem (solved)
« on: January 04, 2013, 05:46:50 AM »
We never stop learning John (hopefully).

Thank you for sharing your experience.

Tweakie.

5539
General Mach Discussion / Re: DeskEngrave WIZARD
« on: January 04, 2013, 05:40:57 AM »
Sounds pretty useful to me, a great idea.  8)

Tweakie.

5540
General Mach Discussion / Re: material translation matrix
« on: January 04, 2013, 05:37:47 AM »
ANY ideas on a Transformation matrix where you scan the material then Process the Gcode Z axis to fit the material. ? One controller I have seen has it working . The demo was impressive to say the least.

(;-) TP

How about Paul's Warp Driver http://paulrowntree.weebly.com/warpdriver.html

Tweakie.

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