RE: [taigtools] Re: Chopping stock to size, what tpi?
- We used to have a reciprocating power hack saw (replaced mostly by
horizontal band saws nowadays, although our other plant still has their
power hacksaw which they use for cutting harden cast ash line pipe). We
used to get Starrett hacksaw blades that were HSS the whole width of the
blade. They made great scrappers, homemade chopping knives etc when the
blade worn out or broke and were in great demand by our millwrights. The
new blades are now electron welded HSS on the tooth area only, not quite
so brittle, but not as useful for "other" purposes :-(
From: stevejackson@... [mailto:stevejackson@...]
Sent: Friday, March 01, 2002 6:49 PM
Subject: [taigtools] Re: Chopping stock to size, what tpi?
On 1 Mar 02 wmbrady wrote:
> Years ago we had a "power hacksaw" which was just a giant weighted
> hacksaw pulled back and forth by a motor. You set the blade on a big
> piece of steel stock, turned it on, and went to lunch. When it
> cutting it shut off automagically. I haven't seen one of those in 40+
> years. Now I guess everything is band saws.
They still make them. There is one in the next classroom (2nd
year students) but they always come over and use our (1st year
students) B-I-G DoAll bandsaw. If you want a hacksaw Lindsay
sells a ?Gingery? book that shows how to make one for a few $$
and a bit of work. I bought the book and intend to make one as the
vise will allow clamping closer to the blade thus facililtating cutting
smaller pieces. Gingery devised an ingenious way to lift the saw
on the back stroke - everybody DOES lift the saw on the back
stroke don't they? :-). The design even uses standard hacksaw
blades so you won't go broke tooling it.
"Carefully tighten it down, just until it strips,
back off a quarter turn and apply a drop of green loc-tite."
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