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Forum topic by Gerald Thompson posted 10-16-2018 04:19 PM 328 views 0 times favorited 7 replies Add to Favorites Watch
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Gerald Thompson

1105 posts in 2407 days


10-16-2018 04:19 PM

I just received the black rubber bandsaw tires I ordered. Do the tires have a crown on them after installation? I took off the originals and do not recall if they had a crown. Is it necessary that a crown be present? Alex Snodgrass stressed this in his video.
The bandsaw is a 14’’ Delta about 30 years old.

Thanks.

-- Jerry


7 replies so far

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MrUnix

7004 posts in 2371 days


#1 posted 10-16-2018 04:43 PM

The Delta wheels have a crown built into the rim, so you should be good to go after gluing them down. However, crowning them after installation is still a good idea IMO, as it will diminish any run-out that may have been present allowing the blade to run smoother.

Cheers,
Brad

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

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Gerald Thompson

1105 posts in 2407 days


#2 posted 10-16-2018 07:54 PM

How does one “crown” them after installation?

-- Jerry

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MrUnix

7004 posts in 2371 days


#3 posted 10-16-2018 08:37 PM

LOL – there are probably as many ways as there are bandsaws :)

This Vintage Machinery Wiki article should get you started though: Tire Crowning

Cheers,
Brad

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

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Ocelot

2103 posts in 2810 days


#4 posted 10-16-2018 08:48 PM

I’ve only changed a bandsaw tire once. It’s a grizzly 17” saw. I did not crown the tire. It seems like a lot of bother – especially since the wheel is crowned. I think that should be enough to cause the blade to self-center.

Also, my tires were not glued.

The new one, installed in the winter, however, was a very tight fit. I soaked it in a pan of hot water, to warm and soften it a bit, then quickly dried it (with a cloth followed by a blow dryer), then stretched it on using two round-shafted screwdrivers (only the round shafts pulled the tire). I only replaced it because the original tire on the upper wheel had become loose. The lower wheel still has the original tire. I didn’t see any point in replacing it, even though I bought a pair of tires.

-Paul

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AHuxley

818 posts in 3494 days


#5 posted 10-17-2018 12:15 AM



I ve only changed a bandsaw tire once. It s a grizzly 17” saw. I did not crown the tire. It seems like a lot of bother – especially since the wheel is crowned. I think that should be enough to cause the blade to self-center.

Also, my tires were not glued.

The Delta 14” cast saws and the clones along with a lot of Asian saws have crowned wheels so it is not necessary but most old iron REQUIRES you to crown the tires. The same thing with gluing, most Asian saws tires do not require gluing but you usually can’t get away with not gluing tires that should be glued.

You are beginning to find urethane tires made for older saws that include the crown in the mold an example are the tires for the older Delta 20” saws with the T shaped tire.

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Ocelot

2103 posts in 2810 days


#6 posted 10-17-2018 03:28 PM

my tires were urethane.

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fivecodys

1199 posts in 1808 days


#7 posted 10-17-2018 07:53 PM

My new tires were urethane as well. A very pretty orange.
I just heated them up in a pan of water on the stove (per instructions) and stretched them on. No adhesive.
The wheel has the crown not the tire. I let it cool and set overnight and off I went. It’s been almost a year without issue.

-- I always knew I would grow old, But I expected it to take longer!

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