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Messages - Leo Voisine

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11
General Mach Discussion / Setup Mach on Maxnc ???
« on: January 22, 2011, 09:25:05 AM »
I have Mach3 currently set up to run my Larken 2424 router.  Mike Tierini helped me set that up.  Well actually Mike set it up.

I have acquired a new little baby.  Maxnc 10

I have VERY little information about it, other than that it was never used from new.  It is in prestine condition.  When I plugged a cable in from my computer to the machine and turned it on the spindle turned on.

I tried running the Mach3 for my Larken - but the little baby did not respond.

So - for this GREEN guy and I do mean GREEN - can you guys help me to create a separate desktop icon for the baby, and help me to configure it to run.  I will agree to read stuff in the manual if you tell me what to read.

I do believe there is somewhere in this forum the pin configurations.  I can search that out.

I have an operators manual - but NOTHING like a circuit diagram, or schematic

In the end --- I would like to have my ONE computer set up - with TWO icons on the desktop - ONE for the Larken - and ONE for the baby -- I will have ONE parallel output going to an A/B switch then branch off to either machine.

Can you help???

12
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 26, 2010, 12:18:00 PM »
Rich, Mike, Hood,

Thank you,  I have also had communications with Larry at Larken.

He told me he had a BOB for the machine.

But before I bought it - I wanted to go through a little more troubleshooting on the machine to be sure I was not having mechanical problems instead.

I think after this discussion with you - THANK you - I am going to purchase the BOB from Larken.

Larry knows I bought the machine used and it is about 10 years old.  Even at the age it is - I KNOW it got just about NO usage at all.

The machine is pretty rugged.

I just went through a sample 3D cutting run, and noticed that the control is not moving the Z axis to the programmed position.

Larry told me that the older starcam boards had trouble processing direct gcode.

At this point, I am waiting on Larry to look at a couple of gcode programs I sent him, and to look at a detailed explanation of the Z axis problem I am having.

I am not dead in the water - the machine is functioning - it is just not performing in 3D modeling the way it should.  All the axis drives work - the spindle starts and stops fine.  It can do just about everything it is meant to do - it just has about .030 Z error over about 5" of XY travel.  I believe the problem is in the ability of the older starcam board to process direct gcode.

I am almost certain I will be converting to Mach3 and replacing the board.
I will certainly get the BOB from Larken - he deserves a sale from me, because of all the help he is offering up to me.
I don't mind a little waiting.  I don't do this for income - just for hobby and crafting.

Sorry, I am being idle for periods of time - as this is a "side line" in my shop right now.
I am also working on a different project.

AND -- thank you for such TREMENDOUS support

I will be needing more in the coming weeks  ----- I am sure.

Leo

13
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 10:11:30 PM »
Whoa!!!  $1800 --- $2400

Way out of my league.

Larken did say he had a BOB for $169 - but I didn't know what that was.

I think I can go the $170 - but not $1800

Rich - you are talking a bit greek to me.

I understand about unplugging the estop but not about reassigning it to pin 10

I underatand about unplugging the "Y" and "Z" axis drives to experiment

I don't understand what you mean about xml files

I can keep trying with Larken - they do respond - but real slow.

In the meantime - I can still use the Larken software - and work at the Mach 3 setup.

Take me through slow - I can do it - but one step at a time.

I am mechanical - not electronic.

BTW - yes this is a starcam controller Mach3 not Mach2.  The steppers are upgraded to more powerful ones, not the standard ones.

Also - this machine has the AC Tech MC Series variable speed drive that I hope to operate through gcode programming.

I installed the Mach3 software tonight, but I did not try anything with it yet.

Leo

Larken I 

14
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 06:08:23 PM »
Mike I am ALWAYS ALWAYS up for meeting new people and making new friends.

ESPECIALLY those who have any interest at all in woodworking - and in CNC.

My son lives in Bridgeport Ct.

I would LOVE to go visit Hood --- Scotland??  Beautiful country there!!!

15
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 06:07:03 PM »
Mike I am ALWAYS ALWAYS up for meeting new people and making new friends.

ESPECIALLY those who have any interest at all in woodworking - and in CNC.

My son lives in Bridgeport Ct.

16
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 05:44:19 PM »
Not so good, have never dealt with Larken so cant comment on his support but it certainly doesnt sound good from your experience :(

Shouldnt be too much hassle getting it running, even with the trial and error approach :)
Hood

Actually Larry from Larken just emailed me.

He said if it's an older machine it might be best for me to convert to Mach 3

I asked for the pin config and anything else I would need. 

Hopefully he gets back to me with some info.

I'll be back after I hear from Larken.

Leo

17
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 05:41:23 PM »
Hi Leo,
If you lived near my I would love to come over and help.
It could be straightened out in a hour or two in person.

It looks like the purple, gray and green wires are just step, direction and common. Not that I can tell which is which at this distance.

Worst case you get a G540 and connect directly to the steppers and bypass all the existing stuff. If your power supply is under 50v and your motors take less than 3.5 amps.


CAUTION. The exposed terminals on the large cap can hurt you real bad if you touch them while the power is on.


Mike

Mike,

I am in southeastern Mass - about 45 minutes south of Boston -- another 20 minutes south and you get you feet wet in the Atlantic --- I would love the visit.

BTW - thank you for the warning.  That IS something I "would" do

Leo

18
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 03:29:18 PM »
I have been asking Larken for help - but getting no answers.

I sent emails and I posted at CNC zone.

I don't know why, no help is offered?

I am not going to ask for help for pin out configuration, or anything else, I just get frustrated when I get no help from support.

I also need help getting better repeatability from my "Z" axis.  I am not sure if it is stepper related or hardware related.  I think the leadscrew might be bad, but I don't know what to order.

I want to convert over to Mach 3 because I feel I can get better support and help.

Anyway - I do like your idea about trying the pinout configurations in the software.  Sounds tedious, but I am very patient.

I also like that Mach 3 recommends doing the trial first before purchasing.

I will do it - but I am in the middle of another project also.  It will be a few days.

I am excited about the Mach 3 --- I think it will help me to control the 3D stuff and get better results from my "Z" axis repeatability problem.  I still think my lead screw might be bad though.  Wish Larken would help with this. 

It's actually a pretty nice machine - but I need support. 

19
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 10:35:30 AM »
Hood,

I can resize the pics

I know the board has a load of electronics on it - and that confuses the heck out of me.

That board also controls the spindle drive, and the override stops.

Being that I am not an electronics person - I will not be able to rewire anything.

Later tonight - I will resize some pics - and retest with the ohm meter on a different setting.

Leo

20
General Mach Discussion / Re: Can I convert to Mach 3
« on: July 20, 2010, 09:35:57 AM »
Hood,

I am NOT an electronics person - I really don't know much about how to use an ohm meter but here is some information I was able to find

I don't know if I am calling the pins the correct thing put I start at the lower left corner as #1 and work my way around clockwise.



This is what the parallel board inside the Larken controller looks like



These are the 3 axis control boards as installed in the Larken controller - is also shows the end of the parallel port board



The parallel port board is at the front end of the board which is mounted to the front of the Larken control box.

On the back end of the board is three sets of 3 wires.  In each set is  One Green, One Purple, and One Gray.  There is one set of wires for  each axis control board.  I have ID'd each of those.

I also used my ohm meter

I had the meter set on 200k ohms
Like I said - I don't really know how to use this stuff.


I used a paper clip inserted into the plug that plugs into each axis drive drive board on each of the colored wires - and checked every pin on the parallel port pins.

This is what I got  

"0" means there is no connection at all
            

"X" Axis                     
                     
   Pin #      Wire color   Wire color   Wire color      Wire color
                     
         Green      Purple      Grey
                     
   1      71.8      0.8      72
   2      71.8      0.8      72
   3      71.8      0.8      72
   4      71.8      0.8      72
   5      71.8      0.8      72
   6      0      0      0
   7      0      0      0
   8      0      0      0
   9      0      0      0
   10      74.9      1      75
   11      0      0      0
   12      0      0      0
   13      0      0      0
   14      74.9      1      75
   15      74.9      0      75
   16      74.9      0      75
   17      74.9      0      75
   18      74.9      0      75
   19      0      0      0
   20      0      0      0
   21      0      0      0
   22      0      0      0
   23      0      129.2      0
   24      0      0      0
   25      0      0      0
   frame      71.9      0.8      77



Does any of this make any sense to you?

If it does I will do the other two axis's later today.



BTW ---- it there an easy way to insert a pic??

Leo

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