hacksaw for cutting into washers? - Woodworking Talk - Woodworkers Forum

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post #1 of 11 Old 03-20-2017, 01:42 PM Thread Starter
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hacksaw for cutting into washers?

What I have is a stack of three washers (3/8th inner hole) that have been steel-epoxy'd together to form a cylindrical stack. I need to do some shaping of this stack, and they are zinc-plated. What are some cheap options that could get the job done? I need to be able to cut one side flat and shape another into a hook-like pattern. I heard from one person that a hacksaw with the right blade can do that, but other places say that it won't work very well. Given how small the material is that I am working with, I don't want to run it through my bandsaw and risk chopping my fingers off if it gets caught on the blade.
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post #2 of 11 Old 03-20-2017, 01:49 PM
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A hacksaw is made to cut steel, I don't see any problem
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post #3 of 11 Old 03-20-2017, 02:59 PM
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Quote:
Originally Posted by chughes10 View Post
Given how small the material is that I am working with, I don't want to run it through my bandsaw and risk chopping my fingers off if it gets caught on the blade.
When machining or milling metal you spend much more time 'fixturing', or devising ways of holding the work than woodworking. Perhaps you could fix the washers onto some scrap, perhaps bolting it to the scrap. Then bandsaw the scrap, the washers, and perhaps even the sacrificial bolt and nut.
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post #4 of 11 Old 03-20-2017, 03:23 PM
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Can you get it on a grinder?
I've shaped washers on my grinder by holding them tightly with vice grips.

If you don't have time to do it right the first time, when will you have time to do it over?
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post #5 of 11 Old 03-20-2017, 03:35 PM
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You might have better luck with a jewellers saw and a file if profiles are involved.

“Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.”
― Marcus Aurelius
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post #6 of 11 Old 03-20-2017, 04:28 PM
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Originally Posted by Toolman50 View Post
Can you get it on a grinder?
I've shaped washers on my grinder by holding them tightly with vice grips.
I like this idea. I have done similar.

George
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post #7 of 11 Old 03-20-2017, 07:41 PM
where's my table saw?
 
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It's about the heat

Heat from grinding will cause the epoxy to come apart. You need to bolt them together to work on them safely. Better yet get a solid piece of steel round, drill your 3/8" hole in the center and then you can machine, grind or saw them at will.

The answer to your question will only be as detailed and specific as the question is detailed and specfic. Good questions also include a sketch or a photo
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post #8 of 11 Old 03-20-2017, 08:55 PM
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You may want to use silver solder next time. The flat is easily done on the bench grinder, dip often to keep cool. The other shape may be possible by clamping the work in the vice and using a cut off blade in an angle grinder, spray with a squirt bottle while cutting.
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post #9 of 11 Old 03-20-2017, 10:21 PM
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Dremel tools DO actually work for small machining like this.
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post #10 of 11 Old 03-21-2017, 06:18 AM
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Dremel tools DO actually work for small machining like this.
I sculpted the tips of some Klein needlenose pliers that I found to make into snap ring pliers with my Dremel and a cutting disk.
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post #11 of 11 Old 03-21-2017, 10:21 AM
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Quote:
Originally Posted by Larry Schweitzer View Post
You may want to use silver solder next time. The flat is easily done on the bench grinder, dip often to keep cool. The other shape may be possible by clamping the work in the vice and using a cut off blade in an angle grinder, spray with a squirt bottle while cutting.
+1 on this approach.
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