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Messages - RICH

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2441
G-Code, CAD, and CAM discussions / Re: Newbie Checking in and saying Hello
« on: September 11, 2012, 05:58:59 AM »
You can start searching the internet and will find all kinds of info. You end up spending more time looking than learning in
my opinion. I must also add that there are different "dialects" of gcode some are propriatory and not all are recognized by
different controllers.

The book gives a user a solid basis on fundamentals and expalins in detail all the gcode. Thus you have  a single source from a recognized
expert on the subject matter.

RICH


2442
G-Code, CAD, and CAM discussions / Re: Newbie Checking in and saying Hello
« on: September 11, 2012, 05:10:24 AM »
andy,
I would recommend CNC Programming Handbook by Peter Smid.
RICH

2443
General Mach Discussion / Re: Help I need to get setup!!
« on: September 10, 2012, 06:09:00 PM »
Quote
i am tying to draw a scorpion.tap file


Not sure what you mean. A tap file is file which contains the Gcode for use by a controller.
You don't draw in Mach, rather the controller/ Mach  uses the gcode file  to control the axis movements based
on the file.

Quote
how do I configure mach3
That is a loaded question but i will assume that you want run the tap file.
File>Open> select the file will load it into Mach. There is more to just running the file as you need to have
Mach configured properly both for your machine and also for the file and for that I suggest you have a read of the
Mach Manuals.

Quote
The file when loaded is offset,I don't understand, how do I make the machine x0 and y0 the same as the .tap file?

See reply#3. You need an understanding of how to setup a machine machine, so have a read of the Mach Manual.

Quote
I get that part, why doesn't the image load on center?
See reply #6 and also #9.

with that Jpeg can I use inkscape to convert it to DXF since it's a basic drawing

I provided you with a dxf file which locates the image at x & Y=0
I know nothing about Inscape, what it can or can't do. Why convert the image when I gave you a modified dxf?

can you help me with something that will work? Anything?

Actualy the file gcode works fine. See above comments. Foks provide you with information to address your
concerns and you ignore their advice. You can scale axis  in Mach and you will find specific info on it in
the Manuals.

I am just looking for something to test with to start.
just 2" square, I need an editor....... to use that is simple and inexpensive or free
8"Long 8"wide 1/8" thick or 8" long 8" wide 0" thick.

8X8X1 DEEP ATTACHED

Do you have any examples i can use?

You can use Notpad or Wordpad to edit the tap file.

can you help me make it work? Software suggestions?

is the DXF that you attached good to use?

Yes, it is a usable dxf file.

How do I use LazyCAM to center it?

In the LC manual on page 20 Shift Draw also can just click on the origin and drag it to a location.

I will be providing video soon on how easy it is to use mach3

Look forward to it and hopefully it will help others.

Look at the support! I managed to get one thing good then nothing but headache, no one helps.

Word to the Future Wise, people are looking for simple solutions not complicated ones, it's no wonder why Mach3
 has a free version and why most people choose EMC. It's because no one want to struggle to get something they paid for to work, they would rather learn for free or pay for something that already works.
Adjust your attitude as you are making an ask out of yourself.

A simple DXF 2" - 8" square, is that such a tall order?
Attached.

Can you suggest a solution to the software, maybe something open source?
What kind fo software? First there is CAD, then there is CAM , also specific use software, prices range from free to expensive.
See reply #22

why does it take 10 posts to get anywhere

Simple...you get information, don't listen, argue with the replies given, don't take any initiative to understand what you are asking,
 etc, etc just like other posts else where.

why people come to a forum provided by "Mach3" as a service in hopes people will pay for the product, it's marketing

This is a site with many knowledgable users willing to just help folks with just about anything. See what  I mean about attitude!

Or what is wrong with just fixing the drawing so a person can test a machine?

Wise person once said, teach one to fish and they will never hunger!

It's great that things are explained but my problem still remains because people choose not to help when they can.
I can't be the only one frustrated with this.

That is correct my friend, but you also must realize what is involved with CNC as it covers a lot of territory and frankly
you will find that the learning never ends. It is not plug and play.

 ; :)RICH




2444
General Mach Discussion / Re: Help I need to get setup!!
« on: September 10, 2012, 06:52:04 AM »
Quote
It seems to me like this is just one big ploy for job security rather than helping people.
Hint all you want, but if you want people to pay for your stuff, show them why it's worth it.
Pissed off, I cant even find a simple file that works with the sample product, talk about sad.

We are not paid, yes there is job security because there is always someone that will appreciate the volunteer work
of folks on this site. Just because you are frustrated don't take it out on us with comments like above...that will not
achieve anything.

We are not hinting about anything, there is no magic, but rather a learning curve which only you can walk and learn.
CNC is not plug and play.

Try CamBam, there is a free version and it includes CAD. Watch the videos and read the manual for it.

RICH


2445
General Mach Discussion / Re: Help I need to get setup!!
« on: September 09, 2012, 09:20:51 PM »
Crob,
I don't kow if you have ever done any CAD work but in general here is how things work.
- The user creates a a drawing of something in a CAD program, save's  the drawing as a dxf ( version 12 usualy preferred), the dxf file is imported into a  CAM
program which creates the Gcode based on the info from the dxf file. During the CAD phase one can move, scale whatever was drawn to ones wishes.
Where the drawn figure is relative to X & Y =0 is the users choice,but, one usualy positions it to suite the way they deisre to have the Gcode generated.
Of course one can scale the drawing or choose to manipulate in Mach to accomplish the equivilant.

LazyCam is free if your not going to do any offsets and there is a manual in Member's Docs. You should find a lot of the info helpfull.
BTW, LC is an imported of a dxf and not meant to be a CAD program.
Have fun ........
RICH

2446
General Mach Discussion / Re: Help I need to get setup!!
« on: September 09, 2012, 09:01:11 PM »
CROB,
Two pic's attached, one shows how the scorpian was drawn and an appox center point. Attached dxf moves the X & Y locaton in the dxf which you can use to generate
new code is you wish. If you move to coardinates per Jerry's comment then the original will be centered.
RICH

2447
LazyCam (Beta) / Re: Arcs in Lazycam not working
« on: September 08, 2012, 08:33:37 PM »
Post the dxf file and also the gcode file and I will have have a look and then comment.
 
Are you aware that there is a manual for LazyCam? It's located in Members Docs.

RICH

2448
General Mach Discussion / Re: Mach3 not following path just cuts circles
« on: September 06, 2012, 06:29:30 PM »
Runs fine here. What do you want it to do other than just follow the profile as drawn and cut it at a single depth?

RICH

2449
General Mach Discussion / Re: Mach 3 table size and drawing units confusion
« on: September 06, 2012, 06:57:41 AM »
If you haven't the foggiest idea how to calculate the steps per unit and want to use the axis calibration then:

1. Make a small move, say 25mm
2.It then asks you how far it moved, say it moved 12mm, then that is what you input, Mach will calculate the proper steps based on what you  measured and asks if you want accept the steps per unit, you accept and the steps per unit are changed in tuning.
3. There was probably error in what you measured above, so now make the longest move you can do, say 250 mm
4. Move 250mm, input the actual measured as accurately as you can measure, and again accept

So not knowing anything you made a small move and refined the steps per unit and then made a longer move and minimized the error by making a longer move.

You should calculate the steps as Hood mentioned and then check and refine the steps per unit to account for YOUR systems axis components. Again refining them will only be as accurate as your measurements.

RICH

2450
LazyTurn / Re: LazyTurn DXF's
« on: September 06, 2012, 06:22:51 AM »
Yes, that is the curreent version.
RICH

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