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Vintage Delta 46-700 Repair

Discussion in 'Woodturning Discussion Forum' started by Tom De Winter, Sep 9, 2020.

  1. Tom De Winter

    Tom De Winter

    Joined:
    Apr 30, 2020
    Messages:
    41
    Location (City & State):
    Quad Cities, IL
    I bought this lathe probably 25 years ago and likely haven’t used it 5 hours. Now that my turning interest has been rekindled I’ve likely put 20 hour on it. During this time it kept getting more noisy with lots of vibration. It would only get up to half the speed nit should.

    As most of you know the Reeves drive was a weakbush design on these lathes. I found the motor pulley worn out with the sliding half of the pulley flopping around. These parts are long discontinued.

    My new Jet 1640 is on backorder for a couple more weeks and I’d already gifted the Delta to my son after the Jet arrives. So I had to fix it!

    The center of the outer pulley was badly wallowed out and the bushing it rides on bad too. I machined the bushing back to round. Then I bored the id of the pulley it about 0.150o” oversized. Next I turned a steel insert 0.002” oversized for an interference fit in the pulley. Heating the pulley to approx 250 degrees allowed me to press the bushing into the pulley. Once cooled I bored the id to fit the bushing with just enough clearance to slide.

    All back together now and running well. Wish I’d thought to take pictures.
     
    Mark Jundanian likes this.
  2. john lucas

    john lucas AAW Forum Expert

    Joined:
    Apr 26, 2004
    Messages:
    7,266
    Location (City & State):
    Cookeville TN USA
    cool. I got rid of my boat anchor about 25 years ago. They had to back order the pulley parts. that was the second time I had to replace the pulleys in 2 years and I did not turn a lot in those days. Frustrated I ordered a Nova Comet, the first real mini lathe of that erra other than Bonnie Kleins. It ran so smooth my turning improved over night. I sold the Delta as soon as I got it repaired.
     
  3. Tom Gall

    Tom Gall

    Joined:
    Feb 20, 2013
    Messages:
    203
    Location (City & State):
    Hillsborough, NJ
    I could be wrong, John .... but I received my Vicmarc VL-100 in March 1996. I believe it was the first mini lathe with a 1"x8 tpi spindle and MT2 on both headstock and tailstock. Only downside was it didn't include a motor. But that turned out to be an upside because I added a DC motor with variable speed control.
     
  4. Richard Coers

    Richard Coers

    Joined:
    Aug 14, 2009
    Messages:
    1,002
    Location (City & State):
    Peoria, Illinois
    Another option is to buy parts from Grizzly. Identical to Delta and likely come from the same factory.
     
  5. john lucas

    john lucas AAW Forum Expert

    Joined:
    Apr 26, 2004
    Messages:
    7,266
    Location (City & State):
    Cookeville TN USA
    Not sure exactly when I got my Nova but probably somewhere around 90 to 94.
     

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