Whether a 2 wheel or 3 wheel bandsaw it is more of a hobby to check, care for, adjust and use than any other type of saw.
Assuming the wheels, bearings and guides are all in good condition, the common mistake is to adjust the blade tension so tight it is distorting the casing and wheel geometry, making it impossible to properly adjust the blade tracking.
SOURCE: When making a straight cut with my bandsaw, the blade will
Before tuning it up, loosen the guides and wheels away and square the table to the tensioned blade. Then follow these steps in order:
At this point, check the cut by trying to follow a straght line penciled on a board. Some blades will naturally tend to veer slightly on a diagonal, depending on how they are sharpened, and you may have to adjust your fence to compensate for this "drift".
But if you follow the steps outlined above, and have a good sharp blade to begin with, you should be able to split a line.
If you follow these tips and they prove helpful, please let us know your problem is solved. Otherwise, give us a little more detail and someone will be happy to follow up.
SOURCE: blade doesn't stay straight. bent spindle?
if the blade is mounted on the motor shaft? if it is, then you need to replace the motor bearing.
SOURCE: Ryobi Bandsaw model EBW4023L will not cut straight
I do a lot of resawing with mine and I have found that a 3/8" wide blade gives me nice straight cuts.
SOURCE: bandsaw blade keeps coming off the wheels. What
ALL BAND SAWS HAVE AN ADJUSTMENT FOR THE BLADE TRAVEL WHEN I WOULD REPLACE MINE I WOULD ROTATE THE TOP WHEEL BY HAND TO CHECK THE ALIGNMENTAND WATCH WEHICH WAY THE BLADE STARTS TO TRAVEL THERE SHOULD BE AN ADJUSTMENT ON THE TOP WHEEL THAT TILTS THE WHEEL IN OR OUT JUST A TINY TURN WILL MAKE A BIG CHANGE
SOURCE: How do you make A straight cut? on A bandsaw
You need to rig up a simple guide fence to feed the work straight into the blade.
Often a blade will "bounce" or "jump" when passing through the saws guides. This will cause problems by overloading the blade gullet, or causing expensive damage to your head feed system. The following is a list of the most common causes for a "bouncing blade".
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