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  1. #1
    Join Date
    Aug 2005
    Posts
    158

    Harding HNC Centroid retrofit

    Bought this machine a year ago. Finally getting a chance to work on it now. Apparently the story goes like this. The Guy I bought it from bought it from a company that was replacing the machine for a larger CNC lathe and they just cut the wires from the centroid control to get it out. I doubt that the story ends there but I bought it cheap so whatever. My problem is sometime in between 4 terminal strips were taken from the hardinge cabinet making making the repair more than just simply connecting the severed wires. I do have the the Retrofit Procedure manual but I don't have any schematics. I tried contacting Centroid twice over a few weeks but no replies so far. Attached is a photo of what the manual says it should look like and the mess mine is in. If someone could send me the schematic it would be greatly appreciated.
    Dan
    Attached Thumbnails Attached Thumbnails 100_1367.jpg   100_1369.jpg  
    www.decalpro.ca

  2. #2
    Join Date
    Jun 2004
    Posts
    36
    Dan,

    I have attached a schematic for the HNC cabinet. Are you planning on adding a new Centroid Control to get the machine back up?
    Attached Files Attached Files
    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  3. #3
    Join Date
    Aug 2005
    Posts
    158
    It already looks like a somewhat new T39 control retrofit that is on it. Problem is someone went apes#!t cutting the wires that go from the centroid cabinet to the machine. Thanks for the PDF I'll go through it and report back.
    www.decalpro.ca

  4. #4
    Join Date
    Aug 2005
    Posts
    158
    This is the control cabinet that I have and the wires that were cut.
    Attached Thumbnails Attached Thumbnails 100_1364.jpg   100_1366.jpg   000_0013.jpg  
    www.decalpro.ca

  5. #5
    Join Date
    Jun 2004
    Posts
    36
    Is that a Servo3IO? I can't quite make it out from here.
    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  6. #6
    Join Date
    Feb 2008
    Posts
    280
    No, it is not a SERVO3IO. A SERVO3IO would not have enough inputs and outputs to run the Hardinge accessories.

    This control has a SERVO1 drive and a PLCIO2 I/O unit. It probably dates from around 2005.

    pimpbike: where in Canada are you located?

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