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Dave's Workshop #10: Bandsaw Reset

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Blog entry by Dave Rutan posted 01-24-2015 02:22 AM 1253 reads 0 times favorited 7 comments Add to Favorites Watch
« Part 9: My Multipurpose Router Station Part 10 of Dave's Workshop series Part 11: Puttering Around with Loose Ends »

I wanted to finally do a review of my bandsaw, so I asked the gang here what sort of things should I be testing? After receiving the replies I set out to see what my band saw would do.

No so fast there! When I know the saw is capable of re-sawing a 2×4, but when I tried raising the blade guard to do just that, it topped out at about 3 1/4. I knew this was not right.

After a few minutes I identified the problem. The upper blade guide assembly was too far forward and was hitting the metal of the saw casing. OK, I knew things were not exactly right with my saw, but I had been putting up with things for expediency.

When I was a printer in the mom and pop shop, occasionally the press I was running would just start goofing up in some way. When this happened, instead of fighting the settings all day, making myself miserable and disappointing my employer, I would usually break the set up down, I.E. move almost everything, and set up the press from scratch. The problem usually came from what I call ‘setting creep’. That’s where you run a press for a long time and just keep compensating for things instead of doing things the correct way.

So I took the blade off, took the table off and removed the guide assemblies top and bottom. The rear bearings needed dome oil, but other wise were fine. I made sure the wheels were OK. The top one was running over to the outside a bit much, so I reset the tracking from scratch. I think it was skewed so much that the top edge was rubbing on the blade guard too.

Before putting it back together, I blew out the dust and checked everything. I put everything back together and grabbed a scrap piece of plywood. As a test, I cut out two more of John Heisz’s push sticks. Everything cut fine. Then I grabbed a hunk of 2×3 and drew a line down its length. It re-sawed just fine. Like most folks, I do have some blade drift, about 5 degrees I guess. I put on the fence, made it parallel to the blade and managed to re-saw one side of the 2×3. I also cut off a piece of the re-sawn 2×3 and tried to cut a small circle in it. With a 1/4 inch blade I cut a circle about 1/2 inch in diameter.

Feeling really confident I grabbed a 2 foot length of 2×4 that I was saving for something else (sob) and re-sawed that too. OK, I tried to re-saw it, but apparently I didn’t hold the piece down well enough and it sort of twisted as it went. Ok, but still not bad.

-- Ni faru ion el ligno!



7 comments so far

View CharlieK's profile

CharlieK

467 posts in 3260 days


#1 posted 01-24-2015 02:33 AM

Hi Dave,

How about some pictures?

Thanks,
Charlie

-- Adjustable Height Workbench Plans http://www.Jack-Bench.com

View Dave Rutan's profile

Dave Rutan

1433 posts in 1655 days


#2 posted 01-24-2015 11:36 AM



Hi Dave,

How about some pictures?

Thanks,
Charlie

- CharlieK

Do you mean pictures of the wood I cut, or of the inside of my saw?

-- Ni faru ion el ligno!

View CFrye's profile

CFrye

8758 posts in 1307 days


#3 posted 01-24-2015 02:47 PM


Hi Dave,

How about some pictures?

Thanks,
Charlie

- CharlieK

Do you mean pictures of the wood I cut, or of the inside of my saw?

- Dave Rutan


Yes!

-- God bless, Candy

View Dave Rutan's profile

Dave Rutan

1433 posts in 1655 days


#4 posted 01-24-2015 04:42 PM

I’ll remind you that you asked for this…

[Above] This is the upper guide bearing assembly of my band saw. You can see what I mean by all the little fiddly bits that require a hex key to adjust. [Below] Two views of the lower guide bearing assembly. All of these adjustments just remind me of the small offset presses I used to run.

-- Ni faru ion el ligno!

View Dave Rutan's profile

Dave Rutan

1433 posts in 1655 days


#5 posted 01-24-2015 04:45 PM

[Above] The lower two are the hex key and the upon end wrench that came with my band saw. The upper is the hex driver I made from a spare hex key. It will make adjustments a lot easier.

-- Ni faru ion el ligno!

View Dave Rutan's profile

Dave Rutan

1433 posts in 1655 days


#6 posted 01-24-2015 04:54 PM

[Above] These are the two push sticks I cut out of a piece of scrap plywood to test my band saw after I tuned it up. All they need is some sanding and a heel glued to the bottoms. I’m getting a collection of these, so I better start using them up on the table saw.

[Above] This is the 2×4 chunk that I tried to re-sw. The sawing part went fine. My holding it down on the table went awry. You can see the witness marks on the end from when I checked my table for squareness.[Below] This is pretty much what’s left of the 2×3 that I re-sawed. I then used the fence to trim one edge from one side, then I tried cutting circles. I also tried to re-saw one of the re-sawn pieces. The larger circle was cut with the table tilted to create a sort of truncated cone. I was just playing.

-- Ni faru ion el ligno!

View CFrye's profile

CFrye

8758 posts in 1307 days


#7 posted 01-24-2015 05:07 PM

Thank you. :-)

-- God bless, Candy

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