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Tuning my Delta 28-276 bandsaw

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Forum topic by Joe posted 07-23-2010 09:14 PM 1562 views 0 times favorited 3 replies Add to Favorites Watch
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Joe

2 posts in 2325 days


07-23-2010 09:14 PM

Bought my first bandsaw, a Delta 28-276, a couple weeks ago. Snagged it new in a box from a guy on Craig’s List without much research because it was really cheap and was then horrified to read about all the problems people have had with these. Got it together and tuned it to the best of my ability. Blade is tracking ok and doing some passable resawing, at least for my level of inexperience. However, I think the upper wheel is out of balance. If I run just the motor/lower wheel without a blade on, it purrs nicely and has no problem passing the nickel standing on edge test. With the blade on there’s pretty serious vibration in the upper half of the machine. I can cut with it, but it’s pretty annoying and likely going to limit the precision I can achieve.

So, I’m wondering if I should just bite the bullet and buy a replacement wheel from Delta for $50. If I can get a decent running saw out of it, I’m still doing pretty good, investment-wise. Anything I should investigate before shelling out for the new wheel?

Also, doesn’t appear to be any way to adjust the lower thrust bearing. Adjusted the upper guide unit so that the blade hits the edge of the bearing just fine, but the blade hits the lower bearing a good bit in from the edge and I don’t see any way to adjust. Good as it gets, just leave it?


3 replies so far

View mcase's profile

mcase

446 posts in 2590 days


#1 posted 07-24-2010 09:44 PM

There is no guarantee a new wheel from Delta will change anything.

View Joe's profile

Joe

2 posts in 2325 days


#2 posted 07-25-2010 01:45 AM

???

If the old wheel is out of spec and the new wheel is good, then it will change things, right? If the new wheel is out of spec, I can send it right back, right? Unless I’m mistaken and the vibration is coming from something other than the wheel, I don’t see a huge downside, except maybe being out some shipping costs.

So, what else should I rule out?

View MedicKen's profile

MedicKen

1610 posts in 2923 days


#3 posted 07-25-2010 02:21 AM

I would take a look at the upper wheel bearings and the shaft. The bearings are a lot cheaper than a new wheel. The shaft that the wheel runs on is connected to the tilt/tracking bracket that is located to the rear of the saw, look to see that the shaft is not worn or the trianglar bracket it not wallowed. The other option could also be the blade. Is the blade new? Tires can also cause a problem. Worn, cracked and not crowned correctly can all lead to vibration. If you haven’t already, I would recommend getthe ” The Bandsaw Book” by Lonnie Bird. Ot has a lot of good info on tuning

-- My job is to give my kids things to discuss with their therapist....medic20447@gmail.com

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