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  • #1

    Drill Press

    I need your talent with machinery. I have an old drill press made in Tiwan about 30 years ago. The chuck wabbles about .025 in. I have checked the spindle with a dial indicator setup and it is less than .002in out. But the indicator shows that the chuck, which is held on the spindle with a Jacobs taper #3, is .025 out of center. I tried shim stock without any improvement and I am not sure what to do next. One thing, I don't have the money to spend on a machine shop solution. The fix must be something I can do at home. I have a lot of tools and some machine shop experience but no lathe or milling machine. Thanks for reading.
    Ole Jack
    J.D."Jack" Smith
    1980G&S "Halfbreed"
    1978E straight job
    "We the people are the rightful masters of both congress and the courts, not to overthrow the constitution, but to overthrow the men who pervert the constitution." Abraham Lincoln

    Life is like a coin, you can choose to spend it any way you wish, but you can only spend it once. Make your choices wisely.
    Tags: None
  • #2
    Replace the chuck; that's not a big deal, and doesn't have to be expensive. Look here: http://www.use-enco.com/CGI/INSRHI?PMSECT=0000001036
    and select what you need/want. As long as the spindle bearings are good, a new chuck will do it....
    Fast, Cheap, Reliable... Pick any two

    '78E original owner - resto project
    '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
    '82 XJ rebuild project
    '80SG restified, red SOLD
    '79F parts...
    '81H more parts...

    Other current bikes:
    '93 XL1200 Anniversary Sportster 85RWHP
    '86 XL883/1200 Chopper
    '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
    Cage: '13 Mustang GT/CS with a few 'custom' touches
    Yep, can't leave nuthin' alone...

    Comment

    • #3
      In fact, here's what they have for a 3JT mount... http://www.use-enco.com/CGI/INLMK32?PARTPG=INSRAR2
      Can you afford $43?
      Fast, Cheap, Reliable... Pick any two

      '78E original owner - resto project
      '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
      '82 XJ rebuild project
      '80SG restified, red SOLD
      '79F parts...
      '81H more parts...

      Other current bikes:
      '93 XL1200 Anniversary Sportster 85RWHP
      '86 XL883/1200 Chopper
      '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
      Cage: '13 Mustang GT/CS with a few 'custom' touches
      Yep, can't leave nuthin' alone...

      Comment

      • #4
        I was having the same trouble with my drill press. Every time I cinched a bit down it would wobble but never the same.

        A friend suggested that I should cough up a few extra dollars and get a ball bearing chuck. I bought a Jacobs. Rhom was out of my budget.

        It acted like a new machine. Tracks perfect. Very smooth. Dont have to break your wrist to tighten a bit.

        Worth a couple extra bucks in my opinion. (which isn't worth a couple bucks anyway)
        RIP Whiskers (Shop Boss) 25+yrs

        "It doesn't hurt until you find out no one is looking"

        Everything on hold...

        Comment

        • #5
          I bought one of the import ball-bearing chucks, currently about $62 (Enco part number 290-1515). It's been in use for about 3 years now with no issues. Seem to be plenty heavy-duty (I've got it's near-twin on my lathe, and that one's seen some serious use) at much less than the 'name-brand' units. But it does pay to shop around or wait for a sale sometimes...
          Fast, Cheap, Reliable... Pick any two

          '78E original owner - resto project
          '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
          '82 XJ rebuild project
          '80SG restified, red SOLD
          '79F parts...
          '81H more parts...

          Other current bikes:
          '93 XL1200 Anniversary Sportster 85RWHP
          '86 XL883/1200 Chopper
          '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
          Cage: '13 Mustang GT/CS with a few 'custom' touches
          Yep, can't leave nuthin' alone...

          Comment

          • #6
            Without doing a bunch of research I'd be willing to bet that there isn't much difference between the two chucks at all. I just wished I had tossed the old chuck years earlier.

            Anything is better than what came on the drill press I have.

            As a matter of fact I bought my chuck from ENCO too.
            RIP Whiskers (Shop Boss) 25+yrs

            "It doesn't hurt until you find out no one is looking"

            Everything on hold...

            Comment

            • #7
              Thank you guys, I knew you would come thru. I had dreamed that there might be some penniless and painless remedy out there, but the chuck replacement is the best practical answer. I have some scrap metal I am going to sell next week and will have enough to buy a new chuck. Thanks again, one and all.
              Ole Chuckless Jack
              J.D."Jack" Smith
              1980G&S "Halfbreed"
              1978E straight job
              "We the people are the rightful masters of both congress and the courts, not to overthrow the constitution, but to overthrow the men who pervert the constitution." Abraham Lincoln

              Life is like a coin, you can choose to spend it any way you wish, but you can only spend it once. Make your choices wisely.

              Comment

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