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Messages - Tweakie.CNC

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8321
General Mach Discussion / Re: RS232
« on: April 08, 2010, 11:01:30 AM »
Simple answer is yes you can transfer any data provided both computers are equipped with serial ports and you use a crossover data cable.

However, from experience, I have found it a whole lot easier to use a USB dongle/memory stick to transfer files from one computer to another.

Tweakie.

8322
General Mach Discussion / Re: Mach 3 putting in offsets? HELP!
« on: April 08, 2010, 07:08:41 AM »
OK. An alternative approach:-

Write the code for your letter 'T' once only and set the Z depth to the maximum you require.
Then use the Mach Wizard 'Multi Pass', setting your incremental depth to create the toolpath for the numerous passes.

Tweakie.

8323
General Mach Discussion / Re: Mach 3 putting in offsets? HELP!
« on: April 08, 2010, 02:57:09 AM »
It's an interesting shaped toolpath you have created there - Not sure it could ever be made using a 3 Axis machine (because of the undercut) but interesting none the less.

Tweakie.

8324
Show"N"Tell ( Your Machines) / Re: New Project for the shop.
« on: April 08, 2010, 02:35:02 AM »
Echo, echo, glad to see you back Dave.

Nice Machine. Did you have to modify the energy chain for the Y Axis to get that bend in the opposite direction ?.

Tweakie.

8325
Thanks Sam, I like 100% free.  ;D

My laptop runs Vista so I will add it to the sidebar gizmo's.

Also a big thanks to the Secret Squirrel.

Hey, how's that new mill of yours coming along ?.

Tweakie.

8326
It's not the GCode that is at fault here or it would produce the same results for me.

You are correct in that you need to look at your configuration settings and double check everything.

Tweakie.


8327
Just ran your code and it appears OK (not the most optimized code I have seen however).

At what point does it all go 'pear shaped' and what happens to the tool path ?.

Tweakie.

8328
General Mach Discussion / Re: Z axis keeps losing caliberation
« on: April 07, 2010, 12:20:22 PM »
You could try reducing the 'velocity' and 'acceleration' settings for the 'z axis' in 'motor tuning'- don't forget to save the axis settings.

Tweakie.

8329
General Mach Discussion / Re: Math check on motor tune please
« on: April 07, 2010, 10:25:15 AM »
Hi Greg,

Steps per revolution calculations are OK but enter the complete figure (1904.7618) not just 1905.

The steps per revolution go into the 'steps per' box the velocity and acceleration are done by trial and error. Try velocity at 2000 and acceleration at 200 to start with and work from there. Select one axis, enter the figures and try the result with the up/down arrow keys, when correct click 'save axis' and then move on to the next axis etc. You may need to go back and fine tune them again when testing the whole machine.

Tip; Don't go for the highest possible speed as best overall reliability is probably some 10% to 20% less than the motors will reliably run at.

Hope this helps,

Tweakie.

8330
*****VIDEOS***** / Re: Vinyl cutting.
« on: April 07, 2010, 03:05:07 AM »
Thanks Sam.

If it wasn’t for the encouragement from all you guys I think I would still be engraving Road Runner

There has been quite a lot of discussion about tangential control and it’s necessity for producing tight corners which is why I made this video to demonstrate that, as far as vinyl is concerned, the simple ‘drag knife’ method produces more than acceptable results.

Terry has a recording studio built in his house, he plays the bass, acoustic and electric guitar’s and sings the vocals but the rest is all electronically generated. The synth alone looks like the Star-ship Enterprise. He is a very talented fella and I am fortunate indeed to be able to use his music in my video’s.

Tweakie.

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