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Forum topic by Dave__8 posted 04-19-2017 01:13 PM 318 views 0 times favorited 4 replies Add to Favorites Watch
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Dave__8

2 posts in 242 days


04-19-2017 01:13 PM

Topic tags/keywords: question bandsaw band saw stiff motor

I picked up a Brico 14” bandsaw from 1995 as my first bandsaw. It seems to be a basic Delta style knock off made in Taiwan. I think it has a 3/4 hp motor.

I’m trying to tune it up and I’ve already found a major issue that when I raise and lower the rod the guides are mounted to all my adjustments get out of whack.

My question is actually about motors in general I think. I was watching a bandsaw setup video and the guy was able to effortlessly spin the wheels. I think my motor is stiff because it takes a fair amount of effort to turn my wheels. I have to think that’s robbing power, so what can i do to address it?

Thanks


4 replies so far

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GR8HUNTER

2966 posts in 552 days


#1 posted 04-19-2017 01:34 PM

I would start by taking off the tension and then the blade ….then try spinning the wheels …....that should isolate the problem better …... I doubt it is your motor :<))

-- Tony Reinholds,Pa. REMEMBER TO ALWAYS HAVE FUN

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DrDirt

4414 posts in 3581 days


#2 posted 04-19-2017 02:14 PM

ditto of Tony…. either release the tension of the blade

Sometimes folks overtension the motor – - in an effort to get rid of vibration from a belt with a permanent kink in it.
This stresses the bearings in the motor.

Work your way down. if it doesn’t turn free, then take the belt off the motor, and see what spins free and what doesn’t.

For setup – - here is the obligatory Alex Snodgrass video on tuning.

https://www.youtube.com/watch?v=wGbZqWac0jU

-- “The two most important days in your life are the day you are born and the day you find out why.” Mark Twain

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Dave__8

2 posts in 242 days


#3 posted 04-19-2017 06:27 PM

That’s good advice, and I’ll try taking the blade off tonight and testing again.

However, that Alex Snodgrass video is exactly the steps I was following to setup my bandsaw and in that video he can turn the blade under tension just by pushing the back of his knuckles into the teeth and moving his hand down. If I tried that the blade/wheels wouldn’t budge and I’d have a nice cut on the back of my hand.

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MrUnix

6012 posts in 2038 days


#4 posted 04-19-2017 06:43 PM

Take the drive belt off the motor and try spinning the motor pulley and wheels to see if you have any resistance. There should be some if the bearings are good (the grease in them provides a bit of resistance), but not excessive. Of course, it’s not a bad idea to just go ahead and replace the bearings regardless. Cheap and easy insurance, and then you will know they are good. Many (most) of those imports use about the cheapest crappy bearings imaginable, and i’ve seen new machines that had them go bad after a very short period of time.

Cheers,
Brad

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

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