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Hi Guys
Here's a couple of pics of what I use. As well, there are a couple of screenshots of the cad drawing of this extrusion.
As you can see it can be configured for either 20mm square bar with...

Hi Guys
I have a custom extrusion that I use on the machines I build. It is a heavy section, with the ability to use either 20mm profile linear rails or you can put 20mm square mild or stainless...

Hi Rick
Clear as mud! (only joking). I will send you a PM.

Regards
Andrew

Hi Rick
Sorry for not being clear in what I would like....I would love to get around the 100K steps per second.
Sounds great to me. I would love to have a play with your system - I would be more...

Hi Rick
Sounds like a great project - I would be very interested in trying it out.
Is the maximum step rate 20K???? I tend to use Servo motors with a relatively high encoder count so I really need...

Hi Neil
No worries, will do.
Yep Russ, is a good mate and we talk about this a little yesterday, but obviously we didn't hold our mouths right or something when looking at the problem.
Regards...

Hi Neil
Thanks for your help. I hadn't even concidered a line driver (couldn't see the forest for the trees). Its exactly what I need.
I am trying to send the signals approx 3m, and didn't really...

Hi Guys
I am hoping someone can help me out here. I am making up a breakout board, and I am using HCPL2630 optos on my step and direction lines, but my problem is that I am wanting to output 24v...

Hi Tom
No I still don't have this fixed. I put in a support question about it, and I got a reply that they would contact me, but they have not.
My posting is fine it is just the preditor editor...

I have just installed V24 after uninstalling V23 and Predator. Now when I try to open predator cnc editor from within Bobcad or from the desktop I get an "Index out of bounds" error.
Predator...

Hi James,
What I am thinking, is that you don't even have to worry about ramping on your micro, all the ramps have been taken into acount in the gcode compiler, and you are just telling the micro to...

Hi Guys,

I have been contemplating a similar project for some time now, and because I am a very accomplished procrastinator, I haven't really got anything to show for my efforts.
What I have been...

Hello,

I am not sure if anyone can help me but..... I am trying to install a BMC-63/1 horizontal machining centre that has been in storage for about 5 years, this machine is fitted with a TOSNAC...

Hi All,

I am just wondering if anyone has played around with the UC3638 chip from TI. I am wanting to build a low cost DC Servo drive that takes a +-10V control signal.
I have found a simple...

Hi
No - I just havn't managed to find the time. I have too many projects and not enough time.....
It is still on my to-do list.

Regards
Andrew

Hi Dan

Thanks for your reply. The first link you sent looks very promising. I am madly porting it over to C#.

Thanks again

Andrew

Hi
I am trying to write a simple 2.5d cam program, for a specific special purpose machine.
Does anyone have an example code of creating offsets and/or for pocketing of a dxf file. I can easily...

Hi
Thanks for your help, it works perfectly.

Regards
Andrew

Hi
I am having trouble trying to mirror a part, and I am hoping someone can help me.
I have drawn a part, with various holes and extrusions etc, and this makes up a right hand side plate of the...

Hi Samco
Thanks for your input.
I am hoping it is as simple as you have drawn, but I must admit I am a little confused with this whole pwm thing. I thought that I needed a pwm signal that at 50%...

Hi Steve,
Thanks for the reply.
I am playing around with using the Shaw dsPic processor listed here, http://www.cnczone.com/forums/showthread.php?t=40940. But I want to use a hbridge as the power...

Hi all,
I am hoping someone can help with a little problem I have. I am trying to convert PWM & Direction signals (sign magnatude) into pwm and not pwm for feeding into a hbridge using ir2184 gate...

Hi Ted,
I have been looking over this project and am quite interested. Do you feel there is much work required to get this to work with a HBridge????
Regards
Andrew

Hi,
Thanks for the reply guys. I was originally thinking of using compact flash instead of USB, but I had an 8Gig usb stick handy. I know Centroid/Ajax use a compact flash on their Linux based...

Hi
I am trying to set up EMC via the Ubuntu Live install cd, but I am trying to install to a usb key, I am trying this to achieve a solid state hard drive set up. I get 98% through the install but...

Hi Mariss,
I tried your suggestion but found the course sanding disk dust blocked the cable a but to much - I had to suck quite hard, and my eyes bugged a little. I switched to a finer grade of...

Hi Al,
Yes all my dc commons are tied to a common earth plate. I will try the RC and see if it helps any. Will let you know how it goes

Regards
Andrew

Hi
Just hoping someone may be able to help me out. I have a relay which is controlling my router on/off. This relay is tripping out my control randomly, mostly on turn off but sometimes on turn...

Hi Alexander,

Very nice looking board - you must have put a lot of work into it.
Can you please tell me what sort of step rates we might expect with this board, and what encoder speed it can...

Thanks for the info guys.
Greg, where did you get your rack and pinions from??

Regards
Andrew
PS Yes it is raining at the moment Greg.