Subject: Re: Tool Grinding

From: [email-masked] (Paul Pierce)
Date: 26 Apr 1996 00:47:30 GMT

I bought a green wheel (6" x 1/2" x 1/2"), mounted it on a Sears grinder 
that I made a 4" square rest for, and was very happy with the lathe 
(3/8") bits that I ground.  I set the rest with a straightedge pointing 
about at the center of the grinder shaft.  I figure that should be about 
7 degrees on a 3/8" toolbit.  Whatever-it seemed to work well.

-
  PAUL PIERCE in AJ AZ
  [email-masked]
  NRA Endowment Member

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From: Steve Wellcome <[email-masked]>
Date: 29 Apr 1996 18:43:30 GMT

Your tool grinding technique (flat table, so the top of the toolbit
is some defined distance above the wheel centerline) is straight
out "The Design and Use of Cutting Tools," by Leo J. St.Clair.  It
works extremely well, as you've found.  Prof. Dennis Chaddock also
talks about it with regard to the Quorn, as I recall.

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From: [email-masked] (Timothy Manning)
Date: Tue, 30 Apr 1996 09:15:07 -0600

In article <[email-masked]>, Steve Wellcome <
[email-masked]> writes:

> is some defined distance above the wheel centerline) is straight out 
> "The Design and Use of Cutting Tools," by Leo J. St.Clair.  It 

I've noticed the Quorn in Model Engineer magazine and pondered how I would go 
about sending a self-addressed-stamped envelope to England (don't have any 
British stamps handy).  Do you know if the Quorn is available in the U.S. or 
just directly from England?  Also, who is Professor Dennis Chaddock?
Tim Manning
College Station, TX

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From: [email-masked] (Randolph Lee)
Date: Thu, 02 May 1996 09:55:58 -0400

In article <[email-masked]>, [email-masked] (Timothy

> just directly from England?  Also, who is Professor Dennis Chaddock?

Tim the Late Prof Chaddock was a highly respected teacher in Tech Colleges
in the UK and a major contributor to the ME press in the 60s, 70s and 80s.

Any outfit that asks for a SASA in the UK ME press will be very happy to
send you their stuff if you send them about 6 IRCs (International Reply
Coupons), you can get them at any post office. When I researched it and
got my castings about 5 years ago it was about 100 bucks cheaper to get
them direct from MES in the UK...(though    -  Power Model Supply
      13260 Summit Drive
      De Soto, MO  63020
      (314) 586-6466 had them here in the US)

 in the event I actualy picked them up at MES on a visit and saved a
further $80 in shipping by schleping them home in my bags... nice folks to
deal with.

~R

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From: Steve Wellcome <[email-masked]>
Date: 2 May 1996 19:47:39 GMT

You can buy "International Reply Coupons" at some post offices
that you can enclose with a letter and the person at the other
end can cash them in at his post office for postage.  They ain't
cheap, but it's one way of doing an international SASE.

As far as actually *ordering* something from overseas, use a
charge card number.  It get charged in the local currency at 
their end, gets changed to your local currency by the credit 
card company (at a very good rate), and appears on your bill 
like any other charge.

There are some places in the U.S. (I assume you're U.S.) that
carry the Quorn kit.  I think Power Model Supply is one dealer.

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From: Steve Wellcome <[email-masked]>
Date: 2 May 1996 19:49:08 GMT

Oh yeah - Prof. Chaddock is the person who designed the Quorn.