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Sunday, October 19, 2014

Tribal Knowledge Video: Putting Screw Threads in Aluminium



http://youtu.be/LuqliWT1k5A

Thank you Giovanni Manzoni, whoever you are! 

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at 11:06 AM
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3 comments:

  1. Bruce WattendorfOctober 20, 2014 at 11:46 AM

    Bill!
    Yikes you have a hammer out next to the heat sink!!

    ReplyDelete
  2. Bruce WattendorfOctober 20, 2014 at 12:47 PM

    Great Video Bill!

    ReplyDelete
  3. AnonymousOctober 20, 2014 at 3:18 PM

    Hi Bill,

    You chose a difficult size for your first use of a tap. As you found out, 4-40 taps are very fragile! A couple of tips to add to the Tribal Knowledge:

    1. If you use a hand drill, it pays to drill the hole first with an undersize bit, and then enlarge it with the correct size bit. This is not necessary if you have a drill press.

    2. A better lubricant for tapping aluminum is kerosene, or if that's not available you can use WD-40. The oil is better for tapping steel.

    3. You found the correct method for turning the tap holder - the T handle is only necessary if you are using taps larger than about 1/4 inch.

    The amplifier looks pretty nice - hope it works out OK.

    73,

    Shlomo, 4X4LF

    ReplyDelete

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