Knurling…

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  • #48677
    tmac1956
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    • Topics Started: 171
    • Total Posts: 1259

    All:

    Does anyone know of a knurling attachment for the 8mm lathe? Or failing that, perhaps there is something that I can adapt to a mini drill/mill?

    Thanks!
    Tom

    #53900
    david pierce
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    • Topics Started: 90
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    Tom,
    Knulsing is a heavy duty low precision job best done on an engine lathe. This operation is not one I would want to subject a high precision watchmaker lathe. It requires a good bit of power and puts a lot of pressure on the spindle and spindle bearings. A watchmaker lathe is designed to make high precision tiny parts and I do not feel that the machine should be pushed beyond that.
    david

    #53901
    tmac1956
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    • Topics Started: 171
    • Total Posts: 1259

    David:

    Thanks… I did find a hand knurler at Enco, but I’m not sure how small it will go. I suppose a 2×4 and a file would work for smaller stuff. Again… thanks for keeping me straight. The last thing I want to do is to put uneeded wear on the Levin. I pulled apart the head stock today for the first time to clean it. The thing looks like new – I sure did get lucky with that purchase (unlike most of my endeavors). ;)

    Thanks!
    Tom

    Oh… By the way… What is the recommended depth to take on the HF drill mill for brass and aluminum? The manual doesn’t tell me anything and I don’t want to blow a gear on that.

    #53902
    david pierce
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    • Topics Started: 90
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    Tom,
    Do you have the mill?
    david

    #53903
    tmac1956
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    • Topics Started: 171
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    @david pierce wrote:

    Tom,
    Do you have the mill?
    david

    It is on order (I downloaded the manual from their web site) . I should have it within a week. I’ve got the stuff that you recommended and I have a spot set up for it. I have a guy comming in to upgrade the power in my shop (spare bedroom). I’m just waitin’ on the thing to get here. Very excited!
    Thanks!
    Tom

    #53904
    david pierce
    Participant
    • Topics Started: 90
    • Total Posts: 1360

    Tom,
    The motor on the mill is not a high horsepower motor. I have my mill in a spare bedroom and did not modify the power. I have not had any problems with the power. The depth of cut and feed rate will have to be learned through trial and error. Large industrial equipment uses charts and nomographs to calculate feeds, speeds and cut depths but this will not really apply with this machine.
    david

    #53905
    tmac1956
    Participant
    • Topics Started: 171
    • Total Posts: 1259

    David:

    That’s good to hear… you just saved me a couple hundred bucks!

    Later,
    Tom

    #53906
    david pierce
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    • Topics Started: 90
    • Total Posts: 1360

    Tom,
    I looked at my motor and it only draws 4.5 amps. If you have a fairly modern house with circuit breaker protection, there should not be any problems. Open the door of your circuit breaker box and look at the tips of the breaker switches. The number moulded into the switch is the maximum amount of amperage supplied to that line. Twenty amps per line is the normal amount in most modern houses. Since your motor only draws 4.5 amps, you should be safe.
    david

    #53907
    tmac1956
    Participant
    • Topics Started: 171
    • Total Posts: 1259

    David:

    All of the single brakers are 20 amps, so I should be good.

    Thanks again!
    Tom

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tmac1956Knurling…