New to me 65 year old Delta/Rockwell drill press
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Thread: New to me 65 year old Delta/Rockwell drill press

  1. Top | #1
    tomd999's Avatar
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    New to me 65 year old Delta/Rockwell drill press


    Here's another example of what you can find when you lurk on CraigsList: A very early '50's Delta/Rockwell 17" DP-600 drill press with a production table made by The Delta Power Tool Division of Rockwell Manufacturing in Milwaukee.

    Overall it's a lovely shade of turquoise straight out of the '50's. Doesn't appear to have seen much use as the quill is very quiet and tight, as is the pinion. The motor is a '70's vintage GE continuous duty 120v single phase so I am going to assume that it was originally a 3 phase setup converted for home use. It came out of a basement around Boston. Had to slip the head off to get it up the stairs and out the troll door. (about 4 foot tall door) It's steel and cast iron, I figure about 450 Lbs.

    It's got the high speed pulley set on it as it was used for wood, I'll either go to a VFD/3 phase motor to get variable speed and lower RPM or I may fab up a jackshaft and run a 3 step pulley with 10%, 30% and 50% reductions, all depends how ambitious I get.

    Click image for larger version. 

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    Captain Hook Kennyd's Avatar
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    Great find Tom, that old iron is sure built well compared to what’s available today.
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    I can't tell you how many times I have pulled the handle on one of those. We mostly use them to chamfer hole exits and entrances next to either production drilling machines or cnc mills.
    These are so well made that many survive two shift daily operation to this day.
    Very nice adjustable dead stop that gives almost no flex and also the bolt that supplies tension to the quill is great to adjust a little drag in the stroke when you are drilling through parts and don't want to plunge through the exit too rapidly.
    You have a real nice condition example there.
    I like your vfd idea, many tools need low rpm vs drilling small holes at higher speeds.
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    Superglidesport's Avatar
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    Very nice score Tom. They just don't make them like they used to.
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    I have one almost identical---the table is different on mine and I replaced the original 3-phase motor with a single phase. The replacement motor trips the overload after it runs for just a little bit. Never have figured that out. Always have to let it "cool" a few minutes and press the reset button on the motor. Even though it's not "hot" at all. Done this since I installed the new motor.
    etcallhome and Herminator like this.

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    Very nice fine looks great.
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    Used; but not abused as near as I can tell.
    I have more ideas than ambition.

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