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Messages - longislandrim

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1
Show"N"Tell ( Your Machines) / Probe on a cnc lathe running mach 3
« on: August 08, 2012, 03:42:42 PM »
Hi,

I am Carl , I'm in the wheel business. We re manufacture automotive alloy wheels

Got my  Pratt and Whitney  lathe retrofitted with a logitrol  system , using Mach 3. Only down side was i had to change the Axis stepper to a 3256 oz/in model( turned out it was my  z axis ballscrew, after trying to put oversize balls  and failing  , I bought a new one  on eBay).

My Lathe can cut or polish(5 hp buffer attached) up to a 20 inch diameter automotive wheel . Now i believe competition is good, but i got three guys in New York that bought $65,000.00 lathes.  . I know i can compete with my $8,000.00 lathe.

The only difference  in the finish is  $57,000 lol  and they can program and cut a wheel in 20 seconds. it takes my longer, because my  way of measuring  the wheels are quit crude.

The way i take measurements of the wheels is buy putting a  short finder on my tool post , grounding the wheel and manually righting my x and z coordinates than throwing them into bobcad.

I bought a probe on ebay Item number: 150864179227 , hooked it up  ,it did not  work i also substitute a limit switch, that did not work either however, when i toggled the probe or the switch i could hear something tripping


What i want to do with this probe is , using my pendant move  it till  it hits the wheel (mark my coordinates) move on to the next point.

Any suggestions?

2
General Mach Discussion / Re: Help out a newbie with mach3turn
« on: August 22, 2010, 08:05:02 PM »
rich.

you were right on the money!  Thank  you


Carl

3
General Mach Discussion / Help out a newbie with mach3turn
« on: August 20, 2010, 09:08:56 PM »
I have mach3 versionv3.042.040 according to the tab  function    my jog values are as follows  (as they appear on the screen )

    x-
z-     z+
    x+

when i load up   this text file:  

G00 X0 Y0
G03 X 0.1516 Z 0.002 I 0.1329 K-4.395f4
X 0.1949 Z-0.0472 I-0.0422 K-0.0808
X 0.2067 Z-0.2539 I-0.9587 K-0.1585
G02 X 0.2362 Z-0.2854 I 0.0596 K 0.0263f12
G01 X 0.7697 Y 0. Z-0.2953
G03 X 5.5945 Z-0.063 I 4.8615 K-50.7546
G01 X 5.7323 Y 0. Z-0.065
X 5.7323 Y 0. Z-0.0675
X 5.5945 Y 0. Z-0.0655
G02 X 0.7697 Z-0.2978 I 0.0367 K-50.9869
G01 X 0.2362 Y 0. Z-0.288
G03 X 0.2067 Z-0.2565 I 0.0301 K 0.0578
G02 X 0.1949 Z-0.0498 I-0.9705 K 0.0482
X 0.1516 Z-0.0006 I-0.0855 K-0.0316
X0. Z-0.0025 I-0.0187 K-4.3969  



I get circles not a  wheel profile. What am i doing wrong?

4
One on one phone support. / Re: About one on one phone support.
« on: August 09, 2010, 04:27:59 PM »
I need professional  help(physchriatic  and   mach3).  Ill take mach3 help for now.  I need help setting up my cnc lathe. Located in freeport new york  11520   Carl  1-516-643-2284

5
General Mach Discussion / Re: help a newbie with machturn please
« on: August 09, 2010, 11:19:51 AM »
Thank  you    Hood.  You hit the nail on the head

6
General Mach Discussion / help a newbie with machturn please
« on: August 03, 2010, 07:27:20 PM »
Part1     I am new to mach3.  I have a cnc slant bed lathe i am retrofitting to polish  auto wheels.  According to  to my  cad program  the  x axis turns positive  on the way up and negative  on the way down.  Is this correct?.

Part 2    A buffing head  is attached to my toolpost.   I have a logitrol cnc system.  I am  currently manually  polishing wheels by jogging the pendant.   With the pendant  in hand  if i toggle the joy stick up (the polishing head goes" up" as it should , Down as it should) However the dro  indicate   that as i move it" up" past zero   i am going (-)  negative  .  How do i fix this

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