[cstmwrks]

I've been looking up G-code info on the web and slowely getting some ideas on how to run my machine with G code. Anyhow I only run the X and Z axis and only one motor turns at a time. Right now I run my system with its own on board servo command mode but it has limits that I need to find a way to avoid.
For what I do the torque setting will always be the same. Velocity and the # of steps is about all that changes.
My motion profile looks some thing like this:
X steps 1000 CW Vel 100
Z steps 30000 CCW Vel 500
Z steps 30000 CW Vel 50
Time delay 2 min.. no motion
X steps 1000 CW Vel 100
Z steps 10000 CCW Vel 500
Z steps 10000 CCW Vel 100
Z steps 10000 CCW Vel 500
Time delay 30 sec.. no motion
Z steps 30000 CW Vel 50
Time delay 2 min.. no motion
X steps 1000 CCW Vel 100

This is the basic motions that I run. Each motion has a fixed acceleration profile to it as well.. In other words if I want to change velocity going from point A to point B my current system veiws this as another motion profile. As in accelerat to speed, decelerat,stop ( milliseconds ) accelerat to new speed
... so on and so on. This is a pitfal I would like to get away from and hope that G-code makes this possable.

Any input would be great!
Bill

[Switcher]

I'm not really sure what you want.

Anyway some basics:

(1) If you want more than one axis to move at the same time, put both commands on the same line.

G01 X-5.0 Z-1.5 F50

Breakdown of above code:

(A) G01 (Linear Interpolation)
(B) X-5.0 Z-1.5 (Move the "X" & "Z" axis the specified distance)
(C) F50 ("F" stands for Feed, so the Feed here is equal to 50 mm/in a minute)

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If you want to pause a program with no axis movement:

G4 F120

(A) G4 (Dwell Time)
(B) F120 (Pause for 120 seconds)





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Sample:

X (Distance to travel (+/-)) F100
Z (Distance to travel (+/-)) F500
Z (Distance to travel (+/-)) F50
G4 F120 (Time delay 2 min.. no motion)
X (Distance to travel (+/-)) F100
Z (Distance to travel (+/-)) F500
Z (Distance to travel (+/-)) F100
Z (Distance to travel (+/-)) F500
G4 F30 (Time delay 30 sec.. no motion)
Z (Distance to travel (+/-)) F50
G4 F120 (Time delay 2 min.. no motion)
X (Distance to travel (+/-)) F100

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WARNING

This is just a sample , I have NO idea what your machine/control setup is, Run at your own risk

Plus an actual program has more code.



.

[Al_The_Man]

Bill.Also see your first post on the related subject.
Al.

[cstmwrks]

Thanks guys for the input!.. this helps me. For some more detail of the motors I use, they each have there own on board controller, They where fast and easy to get up and running and required very little brain power on my part. Anyhow my machine only moves on the X and Z axis. All it does is dip a part in a selection of chemical tanks. Only one motor needs to run at any one time. NEVER at the same time like one needs for a router.
I'll study some more on the web and come up with some more focused questions if you folks don't mind.
Bill

[cstmwrks]

Switcher,
Does G01 command apply when you are moving only one motor? What command defines direction of motor rotation?
Bill

[Switcher]

Does G01 command apply when you are moving only one motor?

The answer is, yes. Also I believe some controls don't require you to use "G01" (an option) while others do require it. I always use it out of habit anyway.

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What command defines direction of motor rotation?

(A) To rotate a motor clockwise use the ( + )
(B) To rotate a motor counter-clockwise use the ( - )

Example:

G01 X+5.0 F50
G01 Z-1.5 F50

(The sample would make the "X" motor spin clockwise, and the "Z" motor would spin counter-clockwise)

Again, I believe some controls don't require you to use " + " (an option) while others do require it.

As far as the negitive sign ( - ), I think all controls require you to use that.

So the sample above, could also look like this:

G01 X5.0 F50
G01 Z-1.5 F50

Notice the ( + ) missing from (X+5.0)

If your just starting out, with g-code I would recommend keeping the ( + ) & ( G01 ), to keep the program as clear to you as possible.


Again as far as what way a motor spins clockwise/counter-clockwise would all depend on how your machine is built ( If the above doesn't work for your setup, try reversing them ( - ) & ( + ) in your code.

Keep your ( F ) very low when practicing, your code. Then when you get the path correct, crank up your Feed. Just be cautious at first

.

[cstmwrks]

Switcher,
X-5.0 Z-1.5 (Move the "X" & "Z" axis the specified distance) The 5.0 and 1.5 is this the number of steps? or a distance assuming a certian mechanical set up?
Bill

[Switcher]

X-5.0 Z-1.5 (Move the "X" & "Z" axis the specified distance) The 5.0 and 1.5 is this the number of steps? or a distance assuming a certian mechanical set up?

That would be Linear moves (distance to travel), in either millimeter or inch, depending on what you set your control up with.

You could use the same examples and switch the Linear, and instead have a rotary axis such as "A axis". Then it would be in degree.


Example:

G01 A-360 F50 ("A" would rotate counter-clockwise, 360 degree, at a Feed rate of 50 mm/inch a minute)



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Just curious , do you have any photos of your setup?



.

[cstmwrks]

Just curious , do you have any photos of your setup?

Right now no.. its 3000 pounds, 50+ sq ft of floor space and 7 feet tall. Lots of pumps, heaters, ventelators and a low tech load lock to keep the nasty stuff inside and away from the operator.