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Messages - ger21

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5841
Flash Screens / Re: Function to get a number from a string!?
« on: October 15, 2008, 01:43:08 PM »
Is it case sensitive? Try Len and not LEN? That's the VBA function. Maybe the script function is different. I'll have to check the docs.

5842
Flash Screens / Re: Function to get a number from a string!?
« on: October 15, 2008, 11:31:29 AM »
Try:

mystring = "something"
X = LEN(mystring)

X should be 9.

You might be able to just do:

X = LEN("something")

5843
General Mach Discussion / Re: Cutter Compensation
« on: October 15, 2008, 05:55:56 AM »
There are some bugs that Brian is going to start working on pretty soon. Probably a good idea to send him examples of any problems your having so he can fix all the problems with comp.

5844
General Mach Discussion / Re: Forth axis
« on: October 08, 2008, 11:16:10 AM »
It's indexed 4th axis, but it's still 4 axis, and a lot cheaper than any other methods that I know of. :)

5845
If you only use the calculated value, then why does Mach3 have a function to calculate your steps/unit based on distance moved?

If the screws specs are ±.009, then it could be off by up to .009 per foot. Most likely it'll be better, but imo it's a good idea to check that your getting the actual distance your trying to get. If not, you adjust your steps/unit.

5846
Mach3 does exactly what the g-code tells it to do. It has no idea what your cutting, or how to cut it. It just reads the g-code and sends the tool where the code tells it to. Sounds like you need a CAM package, which can calculate the toolpaths for you based on the material your using.

5847
Although 10,000 is the calculated amount, you may need to adjust the number up or down a little bit. Typically, the acme screws you're using have a tolerance of ±.009 per foot, so are rarely actually 10,000 steps per inch. Also, the steps per inch can vary along the length of the screw, so you need to check in different areas of the machine and pick a number that works best overall.

5848
General Mach Discussion / Re: Forth axis
« on: October 07, 2008, 08:42:03 PM »
MeshCAM can do 4th axis inexpensively. www.meshcam.com

5849
NC Pod / Re: status of NCPod
« on: October 07, 2008, 08:37:17 PM »
Is there a significant benifit of this controller say versus Xylotex for example

The ncPod is a motion control, that sends sends step and direction signals to a stepper drive. The Xylotex is a stepper drive. Comparing them is apples and oranges.


Fred, didn't you used to sell the ncPod on your site? I don't see it there now, but seem to recall I did in the past. Where else can you buy them.

It seems to me that for the $55 more fof the SmoothStepper, you get a whole lot more. More I/O, faster step rates, more features, active development.....

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