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1930 Crescent Machine Co. 32" bandsaw

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Forum topic by Campeasy posted 04-14-2018 03:53 AM 316 views 0 times favorited 6 replies Add to Favorites Watch
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Campeasy

35 posts in 291 days


04-14-2018 03:53 AM

Topic tags/keywords: bandsaw antique tools crescent huge saw

I recently acquired an old Crescent Bandsaw. It is definitely in need of some TLC but fully functional and a beautiful machine. The only problem is the 3phase Motor it came with. I do not have 3 phase power at my shop. I’m thinking i can instead buy a good single phase 220 3-5 hp.i plan on using it mostly to resaw large pieces of hardwood. So, what size motor would y’all recommend and what type of(188”) blade?


6 replies so far

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Loren

10244 posts in 3610 days


#1 posted 04-14-2018 04:01 AM

You can buy 100’ coils of Laguna Shear Force
blade stock on ebay and solder up your own.
It’s not hard to do. A single carbide tipped
blade might run you even more than a coil and
you’d have to send it out for resharpening. With
the steel resaw blades they can be inverted on the
saw and the gullets reground with a moto-tool
in a cradle.

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MrUnix

6578 posts in 2161 days


#2 posted 04-14-2018 04:15 AM

I’d leave the motor alone and get a VFD for it. Usually cheaper and easier than trying to swap out a motor, plus you get lots of extra benefits you wouldn’t otherwise.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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shipwright

7965 posts in 2760 days


#3 posted 04-14-2018 04:37 AM

Great saw. I used to have a 36” Crescent. I had five Hp. on it and I think it needed it. I had three phase in my shipyard but when I moved I went with a phase converter and kept the motor. I would agree with Brad that is the way to go.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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Campeasy

35 posts in 291 days


#4 posted 04-15-2018 06:17 AM

Loren, thank you.
Brad, what do you mean by extra benefits? I was told that this motor is only about 1¼hp. This saw has a 13” resaw capacity that I intend to use. Also, I’m a welder/fabricator and blacksmith, so any type of brackets i may need isn’t going to be an issue. I don’t see it being all that difficult to swap motors. I’ve done it on a car. I feel like I can handle this. I’ve put aside about $1000 to restore this saw and i really don’t want an underpowered saw when I’m finished.

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MrUnix

6578 posts in 2161 days


#5 posted 04-15-2018 06:40 AM

Brad, what do you mean by extra benefits?
- Campeasy

Ignoring the fact that a three phase motor is more robust (no start circuitry, capacitors, etc..) and more efficient – a less than $200 VFD will get you soft start, controlled breaking, trivial wiring, constant speed/torque/over-torquing, over/under voltage and overload protection and a lot more (you can look up all the features a VFD will provide elsewhere). But for a bandsaw, one of the biggest benefits is the variable speed capability – something that most other wood/metal cutting saws require multiple pulleys to accomplish.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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Campeasy

35 posts in 291 days


#6 posted 04-16-2018 08:42 PM

Brad, thank you. That’s definitely worth looking into.

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