Foundry Castings

[David Ilvedson]

Yeah, so there you go ...nothing compelling...;-]

David I.



----- Original message ---------------------------------------->
From: Phillip Ford <fordpiano@earthlink.net>
To: <pianotech@ptg.org>
Received: Wed, 28 Aug 2002 09:55:38 -0700
Subject: Re: Foundry Castings

>No, I suppose not, if you don't consider higher stiffness, higher strength, or
>lower weight compelling.

>Phil F

>On Tue, 27 Aug 2002 20:06:11 -0700 David Ilvedson <ilvey@sbcglobal.net> wrote:

>> Sure, go on...but I don't see anything in your
>> list that has a compelling property superior to
>> cast iron...do you?
>>
>> David I.
>>
>>
>>
>> ----- Original message
>> ---------------------------------------->
>> From: Phillip Ford
>> To:
>> Received: Tue, 27 Aug 2002 19:28:56 -0700
>> Subject: Re: Foundry Castings
>>
>> >> I would think that several of the leading
>> >> manufacturers...Yamaha, for example
>> >> would have researched this and come the
>> >> conclusion that cast iron is the best
>> >> material for job.  Cost included.  The
>> material
>> >> would have to be easy to machine/grind etc.
>> >> What could take its place?
>> >>
>> >> David I.
>>
>> >Steel.
>> >Iron alloys other than gray iron.
>> >Nickel alloy.
>> >Metal matrix composite.
>> >Glass/epoxy.
>> >Carbon/epoxy.
>> >Boron/epoxy.
>> >Ceramic.
>>
>> >Shall I go on?
>>
>> >Phil F
>>
>>
>>