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Messages - RICH

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5141
General Mach Discussion / Re: Motor and driver problems. Please HELP
« on: January 13, 2010, 07:56:20 PM »
Two different drives and three different kind of motors probably wired differently.
Get info on your drives and understand the differences between them including wiring to / from , how settings are accomplished, etc. Get info on the motors and understand the different ways to on how they are wired.
Got some reading and research to do. Maybe someone is familar with them and won't need to do any research.

If you post the above info the response to your questions can be more rapidly reponded to.
RICH

5142
General Mach Discussion / Re: A axis setup ?
« on: January 13, 2010, 12:02:18 PM »
RUSS,
Good going as i will need a pic for a write up i am picking away at.
Steal with pride from the best of the best!

Jump into the recent rotary posts, you'll be able to increase your contributions and get an A
on next the next report card.  ;D The spider has cast his web!  >:D
RICH

5143
General Mach Discussion / Re: A axis setup ?
« on: January 13, 2010, 11:13:00 AM »
Russ,
Maybe put them in the Members Docs along with the right hand rule info.
RICH

5144
General Mach Discussion / Re: Spindle won't run, flashes yellow?
« on: January 13, 2010, 10:56:56 AM »
Thanks Hood,
Interesting, in that, just a little miss interpretation of what is written, can create a lot of confusion.
You can see this through many posts on rotary / 4th axis use. Then you get into use of the rotary for indexing
or continuous rotation, add the rotation radius settings for feedrate compensation, maybe restrictions on motion in the different planes, work arounds that have been posted to do something,lack of a feedback ie; encoder or index, some recent changes to Mach ,the swapping axis and gcoding ......well, lets just say the rotary  can complex quickly!
And a bad setting in the beginning can affect things down the road.

Nothing around that puts it all in perspective ........good grief .......another write up.......How to get confused!  :)
RICH

Having fun Pete?



5145
Looks like your having more fun again and it has an amazing resemblance to someones wife i know.  ???
 ;D RICH 

5146
LC has  a 50 line limit if you are using LC without a MACH3 license.
There is a Pro version of LC which can be purchased which allows for advanced features and I don't know if Plasma is an advanced feature.

You can install LC by itself via download or when doing a Mach3 installation.

I never used MACH or LC for controlling a torch  / plasma so i can't help you with that in any way.

There is a manual for LC in the Members Docs. It does not cover the Plasma module.

Not all DXF's are created equaly and Corel seems to provide some that have problems. The DXF should be a  
VER 12 DXF.

Don't hack your way though LC, read the manual.  ;)

RICH


5147
General Mach Discussion / Re: Spindle won't run, flashes yellow?
« on: January 12, 2010, 10:52:51 PM »
READING THE MANUAL:   :) I can write but not read !  :D

In the Mach3 CNC Controller - Software and Installation Configuration Manual section page 5-29 section 5.5.5.3 you will find instructions on how to set the steps per unit. For a 1.8 degree stepper ( 200 steps ) and 10u steps you
would have a "steps per unit" ( pulses required  for one rev of spindle ) of 2000 x 135 (total  gear reduction in my case )=270000 for the input in motor tuning.

The velocity setting in motor tuning should be in "revs per second"  at full speed as Hood mentioned. I know the max reliable rpm for mine is around 10 rpm, then 10/60= 0.1666. When tried, the spindle turned extremely slow.  :-\
So input 10 ( 10 revs per minute) and spindle speed was correct.
Is the manual wrong?  ???

CONFIG>Pulley Selection - there is only one pulley, so to speak, for this kind of setup, so for pulley number 1
                                     O min   10 max   ratio 1

So i could measure / test the indicated RPM in the DRO ( make sure the spindle pulley is 1, lathe screen here) the configuration was changed as follows:
GENERAL CONFIG>Spindle Incr. value was changed from 10 to 1 (this allows you to step the spindle speed in 1 rpm increments and note that it must be an interger and can't input values like 0.5)

The spindle displayed rpm to set rpm agreed and was correct to within the  1 rpm value that i could measure. ( if you don't have an rpm measuring device you could always take  a time reading using a stop watch over a rev and get a fairly decent measurement.

All a user  need to do is read the whole manual to get the above posted info ........... ;D

BTW: MACH ver .033 using PP

Hope this helps,

RICH

5148
General Mach Discussion / Re: Spindle won't run, flashes yellow?
« on: January 12, 2010, 04:53:35 PM »
I will repost later on the motor tuning and settings, got to go.
Amazing what you find after RTFM, but then depends on what manual you read. ;)
Later,
RICH

5149
General Mach Discussion / Re: Spindle won't run, flashes yellow?
« on: January 12, 2010, 01:14:53 PM »
Oh I forgot,
CONFIG>SPINDLE PULLEYS- set the min and max speed and gearing ratio if any.
RICH

MODIFIED: Input of a ratio caused loss of RPM display .  ???
               

5150
General Mach Discussion / Re: Spindle won't run, flashes yellow?
« on: January 12, 2010, 12:56:02 PM »
HI ALL,
I will jump in here as a newbie since i never set up a stepper motor to run a spindle until 5 minutes ago!
Just so you know i have a stepper attached to a gear reducer which dirves the lathe spindle.
Don't have any encoders or feedback, so basicaly just like yours.It works fine here and here is some info:
CONFIGURATION:
PORTS &PINS>MOTOR OUTPUTS- enable the spindle and assign the pin out and state just like any other  stepper.
                      >SPINDLE SETUP - check the Use SPindle motor Output and Step/Dir Motor
                                                   - Check use spindle feeback in Sync Modes, for now you can uncheck spindle speed averaging
                                                   - i have Disabled Spindle Relays checked
                                                   - used 0 for all the General Parameters
To get an RPM display you need to have at least an single slotted index via Opto or whatever, else you will not get an
RPM display. Associated with this are a few other settings which affect how fast the rpm will display, but for now lets just get
the spindle moving.

                       >Motor Tuning - You can have the steps per unit set up a number of different ways for the spindle......
                                                IE; steps per rev, steps per degree, steps per inch and depending on what you
                                                do requires an appropriate velocity setting and acceleration. Hood can enlighten us more on this.
                       BUT.....no matter what you choose your spindle will turn on a commanded S but it could be so slow
                       that you would think it is not turning, just listen to the stepper later on and you will hear the pulses being sent to it.
                       I didn't use step per rev ( 270000, specific to my machine) or steps per degree ( 750)  but used inches per rev
                       which happens to be 21352 for me based on a 4.025" diamter vel at 60 and accel 12 and the stepper dosn;t skip
                       with those setting for me.
GENERAL CONFIG> DEBOUNCE Interval is 600 Index is 10  ( affect index / rpm display )
                             > Shuttle accel is .005
In the MDI:
type in - S5000 ( Start  low say S5, S100, S1000, S5000 )
type in  M3 (rotate spindle CW)  or M4 ( CCW) - the spindle will start turning......
type in M5 to stop the spindle

At least the spindle should turn for you,  :D

HOOD, lots of places you can commnent on in my reply, feel free to do so......  ;)

RICH

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