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Forum topic by Hermando posted 07-11-2012 10:37 PM 1370 views 0 times favorited 7 replies Add to Favorites Watch
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Hermando

75 posts in 1517 days


07-11-2012 10:37 PM

Advice needed for an upgrade to my Ridgid Bandsaw BS1400. I have the stock motor 3/4hp, link belt and new urethane tires. I also beefed up the metal stand. All this has suppressed the notorious vibration problems.

My question for an upgrade is that I have an extra 1HP induction motor. Would the extra 1/4hp make a difference in cut performance. Right now I seem to have to watch my speed rate of feeding wood to keep the cuts clean and online. I have tuned the settings and blade tension as much as I can.

Thanks for any advice.

H.


7 replies so far

View Heisbert's profile

Heisbert

34 posts in 899 days


#1 posted 07-12-2012 06:56 PM

Upgrading your 3/4hp induction motor to a 1HP induction motor could do a great deal in improving your band speed. But it is different when you talk about cutting materials. Yes, you increase the maximum speed of your saw because of upgrading. But cutting needs to follow a feed and speed relationship. There should be a compatible speed to a feed rate in such material type. If your older motor can handle that speed, there is no difference when it is upgraded because it is runs the same exact speed rate. For example, (feed rate held constant) if a certain type of wood needs 175 sfpm to obtain superior cuts, running such speed in different motors is still the same. 175sfpm performed by a 3/4hp motor is exactly the same as 175sfpm done by a 1hp motor. The good thing there is that your saw is now capable of cutting another type of wood that needs higher band speed.

View dlmckirdy's profile

dlmckirdy

195 posts in 1853 days


#2 posted 07-12-2012 08:09 PM

The highr horsepower rating won’t necessarily change the speed. A motor is designed to turn at a rated speed at the rated voltage and avaible amperage. The horsepower rating is a measurement of strength. One horsepower is the amount of force exerted by an standard horse (what ever breed/size that is?). If you can make a cut without the motor bogging down, you are ok. If the Motor boggs down during a cut, you need a stronger (higher horsepower) motor.

-- Doug, Bakersfield, CA - I measured twice, cut it twice, and it is still too short!

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dbhost

5386 posts in 1952 days


#3 posted 07-12-2012 08:28 PM

My HF 14” 4 speed band saw which is similar in design to your Ridgid has a 1 HP motor, and honestly, I doubt the 1/4 HP extra will be enough to matter.

-- My workshop blog can be found at http://daves-workshop.blogspot.com

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Hermando

75 posts in 1517 days


#4 posted 07-12-2012 10:33 PM

Thank you all for your input, I went out to the shop to do some test cuts with the 3/4hp motor with various kinds of wood pine, oak, maple and did not notice much in the way of the motor bogging down, but that I had to adjust my feed rate to match the wood hardness. I am not using my bandsaw for much resawing, but find it does struggle a bit with tight curves. Could be the Blade and I need to find a blade designed for that.

I don;t think I will gain much by going to a 1 hp, but I do have the motor ready and waiting if this one burns out or I need an extra boost of power.

Thanks, Again I really appreciate the knowledge you guys share.

H.

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Alexandre

1417 posts in 911 days


#5 posted 07-12-2012 10:58 PM

To be honest, I wouldn’t.
Why???
Doesn’t the Ridgid come with the lifetime warranty?
If you applied for it, replacing the motor will void the warranty& if the motor burns out, ridgid will fix or replace it free of charge.

-- My terrible signature...

View Tom148's profile

Tom148

39 posts in 984 days


#6 posted 07-13-2012 12:35 AM

I have a similar model ridgid and I had similar feed and speed issues.

Here is what I did:

A freind had a 1.5 HP motor which fit with litlle mod.
I also put in a riser block and gaurd kit fron Grissley which fit perfectly.

So no I run a 105 inch blade and that gives me plenty of head room for my carvings.

The speed and feed is more related to the blade and tpi that you have it seems. I was running a 6 tpi and it was slow even with the new motor. The new motor would not bog down but the cut rate was still slow. I switched to a 3 tpi blade and now my cut speed is very fast. So what I have learned is that it really matters what blade you use regardles of HP.

If I had a 1HP motor I would put it on. It should only6 take an hour or so and you might have to cut a little sheet metal on the gaurd but it will be worth it. Then I would experiment with different blades until you find the best amtch.

Good luck.

Tom Davis

-- Tom

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Heisbert

34 posts in 899 days


#7 posted 07-13-2012 04:06 PM

If you’re done with your induction motor problem, you may consider your blade too. The best blades for re sawing hard woods are carbide tipped blades. This blade is primarily used for abrasive woods.
This set tooth carbide blade is beveled with a straight leading tooth to provide high wear resistance when cutting. This design enables a smooth, trouble-free cut on all kinds of applications.

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