Re: My Own Worst Enemy

Posted by T_Bone on July 10, 2005 at 08:23:02 from (4.240.90.225):

In Reply to: My Own Worst Enemy posted by Allan in NE on July 10, 2005 at 04:46:45:

Hi Allan,

Get a copper clad carbon rod from any welding supply. Peal back the copper about 3/4" then sharpen to a point just smaller than the existing hole diameter then apply 6v or 12v battery power to the carbon rod then wait until the metal becomes cheery red then stop the current flow and let cool slowly.

This will soften the steel so it can be drilled with a normal HSS drill bit. You may have to repeat the procedure several times until the hole is completed.

Break/make the connection at the battery so you don't leave a piece of carbon on the hole to be drilled. Also the carbon rods come in different diameters.

You can also use a DC welding machine using DCEN at about 100a but watch that you don't exceed the machines duty cycle rating.

T_Bone

Follow Ups:

• Re: My Own Worst Enemy Alberta Mike 08:44:16 07/10/05 (2)
  • Re: My Own Worst Enemy T_Bone 10:01:22 07/10/05 (1)
    • Re: My Own Worst Enemy mark 19:16:39 07/10/05 (0)

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