[TowerTalk] Grinding hole in thick steel plate?

[George Dubovsky]

On Wed, Sep 9, 2015 at 10:47 AM, john at kk9a.com <john at kk9a.com> wrote:

> Waterjet kerf has a taper.  Make sure that this will be acceptable to you.
>

​But you can instruct modern waterjets to consider one edge of the cut to
be the "good" edge and it will tilt the jet so that that edge is dead nuts
square​ and all of the taper is on the "waste" side.

73,

geo - n4ua


> John KK9A
>
>
> To: "towertalk at contesting.com" <towertalk at contesting.com>
> Subject:        Re: [TowerTalk] Grinding hole in thick steel plate?
> From:   Rich Hallman - N7TR <rich at n7tr.com>
> Date:   Tue, 8 Sep 2015 21:54:31 +0000
>
>
> The company I found locally has a water jet set up and If I reshaped the
> hole
> there was too much metal gone for my comfort.   We could have welded in the
> holes...but after discussion we decided to start over and it will be
> perfect
> this time. And half the cost of the original job!
>
> The water jet system is quite the machine!!
>
> Thanks...
> Rich
>
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