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post #1 of 24 (permalink) Old 02-22-2012, 03:58 PM Thread Starter
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Default Homemade tablesaw

I have a quarter hp electric motor which I intent to power a homemade circular saw. The motor will drive an 8Inch blade at 5000rpm.
Is the motor strong enough for a table saw?
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post #2 of 24 (permalink) Old 02-22-2012, 04:34 PM
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Hi Shahidan and Welcome

I would say the 1/4HP motor may be to small but what the heck give it a try can't hurt to try it.


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I have a quarter hp electric motor which I intent to power a homemade circular saw. The motor will drive an 8Inch blade at 5000rpm.
Is the motor strong enough for a table saw?



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post #3 of 24 (permalink) Old 02-22-2012, 10:50 PM
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I would say it is too small too but you might be able to cut up to 3/4" okay at slow feed speed. A 3/4 HP at that blade size would work better.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #4 of 24 (permalink) Old 02-22-2012, 11:10 PM
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The shaper the blade the truer the fence the heavier you can cut. 1 hp has difficulty with a dull blade.

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post #5 of 24 (permalink) Old 02-23-2012, 01:16 AM
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Hi Shahidan,
Welcome to the router forums.
Here is a link for vintage plans for a home made table saw:

http://www.vintageprojects.com/power...-saw-plans.pdf

enjoy,
Mike

Mike
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post #6 of 24 (permalink) Old 02-23-2012, 02:53 AM
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I would say minimum 1 hp preferably 2 hp.
I used a home made table saw for over a year. I just took the base of a cheap 1500 watt (2hp) circular saw and mounted it in a table. Used a t-square type fence with clamps. It actually worked pretty well but blade height was limiting.
I recently bought a contractor style saw which is only really slightly better than my home made one.
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post #7 of 24 (permalink) Old 02-23-2012, 05:50 PM
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You will hate a 1/4 HP table saw. An old rule in auto racing and woodworking is "there is no substitute for horsepower". There are lots of cast iron table saws in the 8" + range that will make you happy for around $50, sometimes less. The rusty ones go cheap, and even ugly cast iron cleans nicely. I got a beautiful (now) Homecraft by Delta with a one horse motor for a club I belong to for $30. Listen to paduke, the blade means a lot.
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post #8 of 24 (permalink) Old 02-23-2012, 06:20 PM
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I use an old craftsman TS with a Vega Fence and 60t blade. Yesterday I needed a slice of a 10/4 block of hard maple. I usually use a 40t blade but it was an 8" long block. The blade sliced right thru. Sharp blade and true fence. I used a dial gauge when I refurbished the saw. Its a expensive delta brand blade and I have it resharpened. The shapening costs are equal to buying cheap blades. The blade when sharpened professionally cut better than it did new.
I use the bosch TS on mobile work stand in the field. I buy box store blades for it. I am very experienced in the differences. For most woodworkers I would recommend buying a 40t expensive blade (buy the 60t also and use it while the 40t is sharpened)
Maybe bargain hunter tom can suggest best online source I buy them at contractor supply store when buying DW screws

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post #9 of 24 (permalink) Old 02-27-2012, 07:35 AM Thread Starter
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Default Homemade tablesaw.

Thank to all for responding to my question about the suitability of a 1/4 hp motor for powering a tablesaw.

Yes, I agree that the motor is too small. Maybe I would use the 1hp motor which is driving my disc sander. To tell the truth I am a bit scared of using a powerful motor to drive a table saw.

But the blade J have with me is a 7inch blade. The blade was bought new and I have not tried using it. Now the motor would be too big for the blade . I think I will redesign the table saw shaft using a bigger diameter steel rod. I am old fashioned and I think I would be safer using a bigger shaft.

If I had the extra cash I would of course prefer a secondhand saw .even one without the motor.
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post #10 of 24 (permalink) Old 02-27-2012, 12:33 PM
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Quote:
Originally Posted by Shahidan View Post
To tell the truth I am a bit scared of using a powerful motor to drive a table saw.
That raises a big red flag right there for me. If it scares you to do it, then it maybe best to not do it. There is a lot of variables to consider when doing a DIY table saw. However, if you fall short in any of these areas, you will create a machine that is incredibly dangerous to use. I know some guys have done it, and have done well, but they have the skill and experience to undertake something like this.

My recommendation is wait. Sounds like cash maybe limited, but I would much rather see you save a little here and there over time, and eventually buy a decent second hand table saw. PLEASE consider this as an option.

Last edited by MikeMa; 02-27-2012 at 12:38 PM.
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