[TheForge] Drilling angles etc

[Peter Fels & Phoebe Palmer]

Molten sulfur was traditionally used as well...cheap and quick setting .

Peter Hirst wrote:
> Why is it a one-time shot?  When setting iron in concrete, you want to set 
> it in some kind of plastic material anyway:  lead, epoxy, thin-set, 
> hydraulic cement.  You do *not* want just a friction fit in the concrete. 
> Collects water and * rusts*.  Drill it way oversize, position the post to 
> your specs, and pour in whatever goo you like working with best.  I favor 
> epoxy, or for historic accuracy, lead.
> 
> 
> ----- Original Message ----- 
> From: "Woolley" <wjec1 at verizon.net>
> To: <mspencer at tallships.ca>; "Blacksmithing List Sponsored by ABANA" 
> <theforge at mailman.qth.net>
> Sent: Wednesday, March 11, 2009 5:35 PM
> Subject: Re: [TheForge] Drilling angles etc
> 
> 
>> What you guys are describing is working metal on a table.  The problem
>> I'm trying to solve is drilling into an angled concrete wall like you
>> would find on either side of a stoop in the city.  A one time shot to
>> get it right.
>>
>>
>>
>>
>>
>> Mike Spencer wrote:
>>> Marc> The only trick I've used that works is to start the holes going
>>> Marc> in straight.  Then when the hole is deep enough to "catch" the
>>> Marc> bit at the desired angle, I stop and rotate the table or drill
>>> Marc> head at the angle.
>>>
>>> It may work even better if you:
>>>
>>>     + Start the hole, with, say, a 3/8" drill, at right angles, but
>>>       just enough to create a dimple, and just a tad -- 1/8" or so --
>>>       "uphill" of the desired starting point,
>>>
>>>     + center-punch the correct location inside of, on the side of, the
>>>       dimple,
>>>
>>>     + reset the workpiece to the desired angle, and
>>>
>>>     + drill a pilot hole, say 1/8" or so, where you center-punched.
>>>
>>> It will be easier to keep the 1/8" drill from drifting out of the
>>> punch mark than it would be with your final-sized drill, which latter
>>> has a much wider chisel edge. And because you're starting the pilot
>>> hole on the side of the dimple, it will be closer to right angles
>>> anyhow.
>>>
>>>
>>> FWIW,
>>> - Mike
>>>
>>>
>> ______________________________________________________________
>> TheForge mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/theforge
>> Help: http://mailman.qth.net/mmfaq.htm
>> Post: mailto:TheForge at mailman.qth.net
>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html
>>
> 
> ______________________________________________________________
> TheForge mailing list
> Home: http://mailman.qth.net/mailman/listinfo/theforge
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:TheForge at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>