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Machine Shop and Tool Talk Shop Equipment, fabrication, repairs, how to fix it, which tool to use for the job. Machinist shop talk, straight to the point.

Machine Shop and Tool Talk

Hand/Power Hacksaw


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Old 11-07-2017, 09:57:12 AM
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Default Hand/Power Hacksaw

Acquired this small Buffalo Specialty Co. hack saw recently. It was pretty complete, missing weight, crank handle, bent shoulder bolt loose dovetail slide, etc. Found some photos & advertising cuts on VintageMachinery.org and a YouTube video ... not much else.

Blade is 9" long(cut down & re-drilled 1/2" & 5/8" x 12" bi-metal blades). Fairly hefty at 80 pounds. 4" Vise swivels & locks with flat head screw. Blade slide assembly locks in "up" position with spring loaded pin. Still need to make a weight to increase down pressure when cutting steel.

Would like to use it with an engine with crank handle removed to cut steel washers from round rod and/or let kids run it to cut cookies from hardwood dowels at shows.
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Old 11-07-2017, 10:03:55 AM
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Default Re: Hand/Power Hacksaw

Matched the original pea green paint with flat camouflage olive & highlighted raised letters with flat black.

3rd photo shows dog clutch in disengaged position; 4th in engaged.
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Old 11-07-2017, 01:28:48 PM
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Default Re: Hand/Power Hacksaw

akuna,
There is a flat cast in top of sliding blade frame about 4" long with a cast tab about 1/4" wide & 1" long & 3/4" high(my tab partially broken off). I think original weight was a cast round with a flat on the bottom & a 1/4" wide slot to accommodate the tab. I'll look in my scrap box & machine a flat & slot in a piece of cold rolled about 2" in diameter. I don't think I have any cast iron that large.
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Old 11-08-2017, 11:37:08 AM
Pete Spaco Pete Spaco is offline
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Default Re: Hand/Power Hacksaw

I am not sure that bandsaw blades like to be used in reciprocating mode.
I bought a flat belt powered power hack saw years ago that had been converted to electric motor drive, using an appropriate gear motor and chain drive. The guy had also used band saw blades. But they didn't last long and tended to bow which made them not cut straight.
My main project at the time was to cut up a bunch of 1" X 4" and 1" X 6" mild steel bars. As you can imagine, my chop saw didn't like that thick material at all.
I finally bought "real" power hacksaw blades and they work well and last a long time.
The machine just sat there and sawed up that plate nice and straight.

Real power hacksaw blades are wider than most bandsaw blades (an inch or so) and thicker (.050 to .079). About 30 years ago. A pack of 6 cost me about $50.00. I still have 4 new ones in the box. (Too long for your saw, I think)

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Old 11-08-2017, 07:45:53 PM
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Default Re: Hand/Power Hacksaw

Pete,
The 5/8" x 12" blades I cut off & re-drilled are what they call small power hacksaw blades and are bi-metal. They are a little thicker & stiffer than the 1/2" x 12"s that are for use in hand hacksaws. Saw just isn't large enough to use the 1 1/4" wide 'real' power hacksaw blades.
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