Messages

4791

General Mach Discussion / Re: Probing Wizard

« on: January 06, 2013, 03:51:32 AM »

Looks good 

Tweakie.

4792

General Mach Discussion / Re: How to split gcode into 2 parts or more..

« on: January 06, 2013, 03:46:52 AM »

Hi Anant,

Sorry to make a dumb comment but I am relating to a recent discussion in another thread...

I think that if I had spent a couple of thousand dollars on purchasing Aspire and Artcam I would be reading the manuals to learn how to use them.

Tweakie.

4793

General Mach Discussion / Re: Mach3 controlling Co2 Laser

« on: January 06, 2013, 03:38:19 AM »

Hi Warped,

If it's any help, take a look at my article here http://hobbycncart.com/publ/cikkek/mach3_temaju_cikkek/switching_a_laser_under_mach_control/8-1-0-29 (also the following comments relating to the updates) then, if necessary come back with any questions.

Tweakie.

4794

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.

4795

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.

4796

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  

Tweakie.  

4797

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.

4798

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.

4799

Show"N"Tell ( Your Machines) / Re: CNC Build Proceeding - Cheap Couplers...

« on: January 05, 2013, 02:13:27 AM »

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.

4800

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.