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Messages - BR549

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3411
Tangent Corner / Re: Compatible PC Combo MoBo
« on: December 09, 2012, 03:05:45 PM »
You answered your own question(;-)

Faster cpu are a bonus BUT only if you can still get all the work down the pipe. The same problems exist with full size PCs.

FInd the best compromise for the money you have to spend.

Most use a mini HD from a laptop, Solid state will work BUT be aware of the compromises in solid state HDs. MORE READING.

I would seriously think about using a complete built system over a pieced together best guess system of unknown compatibilty.

Just a thought, (;-) TP

3412
General Mach Discussion / Re: metric ball screw
« on: December 09, 2012, 02:31:46 PM »
Does the machine move correctly with their XML?

(;-) TP

3413
General Mach Discussion / Re: Noob needing help. Z axis dropping as it cuts
« on: December 09, 2012, 02:10:57 PM »
In a lot of cases it is caused by running too fine a pitch on the Z screw. In order to get SPEED you have to take the motor into the rpm range where it has little torque to do the function.

Most time it is as simple as replacing the feed screw with a courser pitch to move the motor rpm down into the high torque band.

Just a thought, (;-) TP


3414
Tangent Corner / Re: Compatible PC Combo MoBo
« on: December 09, 2012, 02:04:58 PM »
Heck just do saerch there is PLENTY of info out there on the subject.

(;-) TP

3415
Tangent Corner / Re: Compatible PC Combo MoBo
« on: December 09, 2012, 02:00:42 PM »
Here is someone that has done it. Pay attention to the suggested supply link(;-)

http://www.plansandprojects.com/My%20Machines/Mini-itx.html

3416
General Mach Discussion / Re: Auto tool measuring and offsets
« on: December 09, 2012, 01:30:28 PM »
(;-) No

(;-) TP

3417
ONLY the noble Robin HOOD could make that claim.

Well said Sir Robin of Hood.

(;-) TP

3418
Tangent Corner / Re: Compatible PC Combo MoBo
« on: December 09, 2012, 12:33:47 PM »
DO you plan on using the LPT port or something else ? 

(;-) TP

3419
Tweaks does this assume that the 2 points are inline with the axis when referenced back to the drawing ?  IF not you have to account for that offset as well. 

Just a thought, (;-) TP

3420
General Mach Discussion / Re: 6 axis robot arm thoughts.
« on: December 09, 2012, 12:10:07 PM »
First problem is Mach3 will only accept 4 encoders.

You could probably create an encoder reader board then interface it into Mach3 with a plugin and with a LOT of interface programming make it work. BUT you could only move one joint at a time jogging as MACH3 does not have joint kenimatics for world jogging. Mach3 was never designed with rotary joints in mind. It is just a simple CNC machine controller.

Why not just use LinuxCNC(EMC2) it does rotary arm joints for robots AND with kenimatics it can do world jogging in real time.

Just a thought, (;-)TP

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