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Type: Posts; User: jrmachinist

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  1. Replies
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    Re: Knots in my Aluminum?!?

    Well, here it is. After a new, good, sharp end mill, lower depth of cut (to 0.020), RPMs to max (1775) a lot of WD-40 and about an hour and a half, here's what I ended up with:

    344328

    I still...
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    Re: Knots in my Aluminum?!?

    Will the router bits get dull faster than "official" endmills? Any reason to go with a name brand vs. house brand (if there is such a thing) at our local Lowes or Home Depot?
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    Re: Knots in my Aluminum?!?

    Thanks, Jim. I also left out the the endmills were HSS imports. Nothing special.

    Now when you say router bits, what's different about them? (I am not a wood worker and have never even held a...
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    Knots in my Aluminum?!?

    Hi. I need help diagnosing what happened (what I did wrong) making a simple part (a heat-sink) from some scrap Aluminum I had on hand. I have no idea what type of Al alloy it is, but assumed 6061. I...
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    Here is Help for the Chinese Mach3 Handwheel (MPG/Pendant)

    Folks,

    The pendant I have was purchased from eBay about 6 months ago. (There are probably variations out there, but I'm guessing that the basic electronics are the same.) I installed it yesterday...
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