Messages

6431

General Mach Discussion / Re: Type of Construction for Aluminum Milling

« on: August 07, 2011, 02:03:35 AM »

Hi Chris,

Don't be intimidated by others stuff - you can do it just as they do if you are determined enough (although I would hold on a while before attempting one of Steve's V8's  http://www.machsupport.com/forum/index.php/topic,15091.0.html ).

I have made quite a lot of stuff that I really don't have the skills to make by conventional or manual means - all thanks to Mach3 and CNC. 

Tweakie.

6432

General Mach Discussion / Re: Type of Construction for Aluminum Milling

« on: August 06, 2011, 09:26:51 AM »

"Tossers" I am really surprised at you Hood - They are called "Bankers", or at least it rhymes with Bankers 

Tweakie.

6433

General Mach Discussion / Re: Type of Construction for Aluminum Milling

« on: August 06, 2011, 09:08:57 AM »

Reading is free but we all want help the economy so speed read and start spending.

Not sure about that Rich - We have been told that it is our spending that has got us into debt. 

Tweakie.

6434

General Mach Discussion / Re: Type of Construction for Aluminum Milling

« on: August 06, 2011, 01:38:41 AM »

Hi Chris,

The "router" type of construction is ideal for wood and plastics.
The "mill" type of construction is ideal for metals.

Although each will, to a certain extent, do each others job it would not be ideal.

In general, home construction of a "milling machine" requires specialist machinery and knowledge so it is best to buy a mill and if necessary do the CNC conversion yourself. The "router" is relatively easy meat for home construction and requires a bit of skill but is not rocket science.

Hope this helps,

Tweakie.

6435

G-Code, CAD, and CAM discussions / Re: G40, G41 and G42 have no effect.

« on: August 05, 2011, 02:51:16 AM »

Hi Jim,

I can only help with one thing because I apply the offsets prior to the GCode compilation.

I run G40 at the end of every program to clear offsetting. Does there need to be anything other than a line number, space, and then "G40" on the line?

You need a CR so it is usual to add  %  as the last line of any GCode. (not much but it's a start  )

Tweakie.

6436

General Mach Discussion / Re: CNC MISSING THE ODD STEP

« on: August 05, 2011, 02:37:41 AM »

Hi Jim,

Two things you could try;

Try selecting 'Sherline 1/2 Pulse Mode' in Config / Ports and Pins.
Try increasing the Debounce Interval in Config / General Config.

Your Kernel Speed should really be set to 25000Hz or 35000Hz.
The TB6560 is a good chip (assuming it is a genuine Toshiba and not a clone) so that Chinese board should be OK.

Tweakie.

6437

General Mach Discussion / Re: mach3 estop external switch issue

« on: August 05, 2011, 02:25:54 AM »

Going off topic and reverting to the fingers issue;

I have friends in the woodworking industry who have missing parts of fingers. It is perhaps surprising but they were not lost through lack of experience (one had 40 years in the trade) they were lost through complacency and familiarity with the machines they used and they will all say that they have no one to blame except themselves.

Take care Guys - It is not luck that keeps fingers it is vigilance.

Tweakie.

6438

General Mach Discussion / Re: Caps on inputs

« on: August 04, 2011, 12:52:40 PM »

Well, we switched the caps to go from the input pins to ground and the test pattern worked perfect!! but...then a longer pattern flipped out. We definitely have interference issues. Gonna rewire with shielded cable - is this stuff any good or is there some that would be better? http://homeavcables.com/22108.html

You would be better using a cable which has a braided shield (more surface area) the foil stuff is OK but far from Ideal.

Tweakie.

6439

General Mach Discussion / Re: G31 Probe problem

« on: August 04, 2011, 09:00:47 AM »

Thanks Ian.

Tweakie.

6440

General Mach Discussion / Re: mach3 estop external switch issue

« on: August 04, 2011, 07:27:17 AM »

 

Tweakie.