584,837 active members*
5,677 visitors online*
Register for free
Login
IndustryArena Forum > MetalWorking Machines > Haas Machines > Haas Lathes > SL20 Chip Auger Cycling with NO LOAD
Results 1 to 2 of 2
  1. #1
    Join Date
    Mar 2017
    Posts
    3

    SL20 Chip Auger Cycling with NO LOAD

    03/00 Production
    MOCON 10.2

    A few days ago I noticed my chip auger was cycling forward and back like the overcurrent protection circuit was kicking in.

    I cleared the chip pan (there were no large chips or parts binding it up), and turned on the auger again. It ran forward for 3 seconds, stopped, and reversed.

    I disconnected the auger so that the only thing the motor had to turn was the gearbox, same cycling issue,

    I disconnected the motor from the I/O board, and hit Chip FWD, the LED lit up and it ran in the forward direction without cycling.

    I pulled the motor and contacted the manufacturer, they sent me a spec sheet and the motor checked out fine, except that the capacitor was out of spec.

    I replaced the cap, and tried running the motor again, and again it cycles back and forth with no load.

    I found some info sheets on replacing the I/O board, and noticed there's a potentiometer adjustment for the overcurrent protection. I was wondering if it might be set on the low side, and if I could tweak it a little. I couldn't' find the specs for my specific board, and several board sheets have a very wide range of settings (from 500ohms to 4,500 ohms).

    I checked the resistance on my board between TP6 and TP7 at R119 and R122, and it measured 3.7K ohms.

    The tag on my I/O Board reads:

    SM01003002
    3080S REV D

    Does anyone have a spec sheet for this board? I'd like to have something on paper before I start turning potentiometers.

    Also, if anyone has any other ideas which may cause this issue, please reply.

    Thanks,

    -John

  2. #2
    Join Date
    Mar 2014
    Posts
    133

    Re: SL20 Chip Auger Cycling with NO LOAD

    Measure your resistance between tp6 and tp7. Adjust the overcurrent to 3k ohms +/- 100 ohms for augers and conveyors.
    Adjust the overcurrent to 4.5k ohms +/- 100 ohms for lathe chip conveyors.


    You could have a faulty motor, wiring between the I/O and motor could be bad, and of course the I/O could be bad. If it's a conveyor the belt could be damaged and bound up underneath. Hope this helps

Similar Threads

  1. Chip Auger
    By jrmach in forum BobCad-Cam
    Replies: 12
    Last Post: 12-21-2014, 02:41 AM
  2. Chip auger
    By l u k e in forum Haas Mills
    Replies: 5
    Last Post: 05-26-2011, 10:02 PM
  3. VF2 Chip Auger
    By rrbmachining in forum Haas Mills
    Replies: 1
    Last Post: 01-13-2009, 04:40 AM
  4. Chip auger
    By br1 in forum Haas Mills
    Replies: 0
    Last Post: 09-11-2008, 03:15 PM
  5. Chip auger help
    By Janos in forum Uncategorised MetalWorking Machines
    Replies: 0
    Last Post: 01-29-2007, 04:40 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •