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#1
Posted to rec.woodworking
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Broke a bandsaw blade
I broke a bandsaw blade today, a big bang (no new life in THIS universe)
and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. Puckdropper -- Make it to fit, don't make it fit. |
#2
Posted to rec.woodworking
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Broke a bandsaw blade
In article om,
Puckdropper wrote: I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. This is probably a good excuse to do a tune-up on the saw... check for co-planar wheels, check the blocks or bearings, tires, etc. |
#3
Posted to rec.woodworking
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Broke a bandsaw blade
On 13 Jun 2012 00:07:46 GMT, Puckdropper
puckdropper(at)yahoo(dot)com wrote: I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? Yes, make sure the blades teeth point down. (DAMHIKT). -- Jack Novak Buffalo, NY - USA |
#4
Posted to rec.woodworking
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Broke a bandsaw blade
If this is a delta 14" take a look at the piece that hung up.
It's prone to bending at least according to Iturra... He has a new better piece. If mine ever goes I'll get his... since my post doesn't track straight up and down and his somehow remedies that. On 6/12/2012 8:07 PM, Puckdropper wrote: I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. Puckdropper |
#5
Posted to rec.woodworking
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Broke a bandsaw blade
"Puckdropper" puckdropper(at)yahoo(dot)com wrote in message eb.com... I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. I'd check the tires for cuts.... A few weeks back I had a tire break while doing a lot of resawing of large pine boards. I didn't even notice as the saw kept cutting just fine as the wheel itself is crowned. It wasn't until I was cleaning up and found the broken tire laying in the bottom of the saw that I knew the tire broke. I thought that was really weird! It was one of the tight fitting, non-rubber tires and it appears to have broken at the joint as it was a perfectly straight break. John |
#6
Posted to rec.woodworking
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Broke a bandsaw blade
It is item # 10405 improved delta 14" tracking arm...
There are catalogs on line from various sources. I wish Iturra would put his catalog online. On 6/12/2012 9:35 PM, tiredofspam wrote: If this is a delta 14" take a look at the piece that hung up. It's prone to bending at least according to Iturra... He has a new better piece. If mine ever goes I'll get his... since my post doesn't track straight up and down and his somehow remedies that. On 6/12/2012 8:07 PM, Puckdropper wrote: I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. Puckdropper |
#7
Posted to rec.woodworking
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Broke a bandsaw blade
tiredofspam nospam.nospam.com wrote in
: If this is a delta 14" take a look at the piece that hung up. It's prone to bending at least according to Iturra... He has a new better piece. If mine ever goes I'll get his... since my post doesn't track straight up and down and his somehow remedies that. It's a 14" Jet. Everything seemed ok, but that was only during a quick onceover trying to figure out how to get the top wheel free again. I'll have to take a closer look at it. Puckdropper -- Make it to fit, don't make it fit. |
#8
Posted to rec.woodworking
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Broke a bandsaw blade
"John Grossbohlin" wrote in
: "Puckdropper" puckdropper(at)yahoo(dot)com wrote in message eb.com... I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. I'd check the tires for cuts.... A few weeks back I had a tire break while doing a lot of resawing of large pine boards. I didn't even notice as the saw kept cutting just fine as the wheel itself is crowned. It wasn't until I was cleaning up and found the broken tire laying in the bottom of the saw that I knew the tire broke. I thought that was really weird! It was one of the tight fitting, non-rubber tires and it appears to have broken at the joint as it was a perfectly straight break. John I was planning on changing the tires anyway, so maybe I'll delay putting a blade on until the new ones get here. One of them moved on me a couple days ago as I was putting a different blade on, so I figured it was time to replace them. This bandsaw has taught me a lot about bandsaws, but it sure does gobble up the parts... Puckdropper -- Make it to fit, don't make it fit. |
#9
Posted to rec.woodworking
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Broke a bandsaw blade
"Puckdropper" puckdropper(at)yahoo(dot)com wrote in message eb.com... "John Grossbohlin" wrote in : "Puckdropper" puckdropper(at)yahoo(dot)com wrote in message eb.com... I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. I'd check the tires for cuts.... A few weeks back I had a tire break while doing a lot of resawing of large pine boards. I didn't even notice as the saw kept cutting just fine as the wheel itself is crowned. It wasn't until I was cleaning up and found the broken tire laying in the bottom of the saw that I knew the tire broke. I thought that was really weird! It was one of the tight fitting, non-rubber tires and it appears to have broken at the joint as it was a perfectly straight break. John I was planning on changing the tires anyway, so maybe I'll delay putting a blade on until the new ones get here. One of them moved on me a couple days ago as I was putting a different blade on, so I figured it was time to replace them. This bandsaw has taught me a lot about bandsaws, but it sure does gobble up the parts... My credo has been "To really learn about something bust it and then fix it!" I took the opportunity to go over my whole bandsaw and tweak it after the tire broke. It worked much better afterwards with the tweaking, new tire and new blade.... I had been running it nearly non-stop for a couple-three days so the improvement was very noticeable. John |
#10
Posted to rec.woodworking
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Broke a bandsaw blade
Dave Balderstone wrote:
In article om, Puckdropper wrote: I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. This is probably a good excuse to do a tune-up on the saw... check for co-planar wheels, check the blocks or bearings, tires, etc. Out of curiousity how do you check for co-planarity of the wheels? My bandsaw is fairly new, but I'm curious how it's done. -- Al Dunstan, Software Engineer OptiMetrics, Inc. 3115 Professional Drive Ann Arbor, MI 48104-5131 "There are two ways of constructing a software design. One way is to make it so simple that there are obviously no deficiencies. And the other way is to make it so complicated that there are no obvious deficiencies." - C. A. R. Hoare |
#11
Posted to rec.woodworking
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Broke a bandsaw blade
You take the table off and anything that restricts putting a level or
straight edge against the wheels. Both wheels are co-planar when they touch the wheels at 4 points. So first start with the very top and bottom of the wheels stick a straight edge/level across them. Then move out to 2 other points on each side of center. It should still touch at 4 points. If not adjust .. On my delta w/riser block I had to remove the pins in the riser block. Delta had no idea how to drill the block or the frame so the whole thing was twisted. Do what you have to to get it in line. Once you do the cutting performance is greatly enhanced. On 6/13/2012 2:09 PM, A. W. Dunstan wrote: Out of curiousity how do you check for co-planarity of the wheels? My bandsaw is fairly new, but I'm curious how it's done. |
#12
Posted to rec.woodworking
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Broke a bandsaw blade
In article , A. W.
Dunstan wrote: Dave Balderstone wrote: In article om, Puckdropper wrote: I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. This is probably a good excuse to do a tune-up on the saw... check for co-planar wheels, check the blocks or bearings, tires, etc. Out of curiousity how do you check for co-planarity of the wheels? My bandsaw is fairly new, but I'm curious how it's done. The quick answer is "use a straight edge". Snag a copy of Duginske's "Bandsaw Handbook"... It's a good resource. -- Woodworking and more at http://www.woodenwabbits.com |
#13
Posted to rec.woodworking
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Broke a bandsaw blade
Puckdropper puckdropper(at)yahoo(dot)com wrote in
eb.com: "John Grossbohlin" wrote in : "Puckdropper" puckdropper(at)yahoo(dot)com wrote in message eb.com... I broke a bandsaw blade today, a big bang (no new life in THIS universe) and the blade was broken. Looks like stress due to the dulling blade cutting through several logs and perhaps a twist from when the piece moved on the sled caused the failure. My question is this: Is there anything I should watch out for when I put another blade on? The top wheel got stuck on the sheet metal up top, but a gentle whack with a mallet solved that issue. I'd check the tires for cuts.... A few weeks back I had a tire break while doing a lot of resawing of large pine boards. I didn't even notice as the saw kept cutting just fine as the wheel itself is crowned. It wasn't until I was cleaning up and found the broken tire laying in the bottom of the saw that I knew the tire broke. I thought that was really weird! It was one of the tight fitting, non-rubber tires and it appears to have broken at the joint as it was a perfectly straight break. John I was planning on changing the tires anyway, so maybe I'll delay putting a blade on until the new ones get here. One of them moved on me a couple days ago as I was putting a different blade on, so I figured it was time to replace them. This bandsaw has taught me a lot about bandsaws, but it sure does gobble up the parts... Puckdropper Don't forget to inflate the tires to the proper pressure. |
#14
Posted to rec.woodworking
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Broke a bandsaw blade
On 6/14/2012 5:37 PM, noone wrote:
Puckdropper puckdropper(at)yahoo(dot)com wrote in I was planning on changing the tires anyway, so maybe I'll delay putting a blade on until the new ones get here. One of them moved on me a couple days ago as I was putting a different blade on, so I figured it was time to replace them. This bandsaw has taught me a lot about bandsaws, but it sure does gobble up the parts... Puckdropper Don't forget to inflate the tires to the proper pressure. And rotate them every 3000 miles ... -- www.eWoodShop.com Last update: 4/15/2010 KarlCaillouet@ (the obvious) http://gplus.to/eWoodShop |
#15
Posted to rec.woodworking
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Broke a bandsaw blade
Swingman wrote in
: On 6/14/2012 5:37 PM, noone wrote: Don't forget to inflate the tires to the proper pressure. And rotate them every 3000 miles ... Wait, you're supposed to rotate them every 3000 miles?! I thought I was supposed to do that soon before and during each use. No wonder they need to be changed! Puckdropper -- Make it to fit, don't make it fit. |
#16
Posted to rec.woodworking
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Broke a bandsaw blade
On Thu, 14 Jun 2012 17:55:15 -0500, Swingman wrote:
Don't forget to inflate the tires to the proper pressure. And rotate them every 3000 miles ... And when the treads are worn down and they're bare, it's time to replace them... |
#17
Posted to rec.woodworking
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Broke a bandsaw blade
Dave wrote in
: On Thu, 14 Jun 2012 17:55:15 -0500, Swingman wrote: Don't forget to inflate the tires to the proper pressure. And rotate them every 3000 miles ... And when the treads are worn down and they're bare, it's time to replace them... Bandsaw tires are more like drag slicks... How can you tell with those? (Not the bandsaw tires.) Puckdropper -- Make it to fit, don't make it fit. |
#18
Posted to rec.woodworking
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Broke a bandsaw blade
"Puckdropper" puckdropper(at)yahoo(dot)com wrote in message b.com... Dave wrote in : On Thu, 14 Jun 2012 17:55:15 -0500, Swingman wrote: Don't forget to inflate the tires to the proper pressure. And rotate them every 3000 miles ... And when the treads are worn down and they're bare, it's time to replace them... Bandsaw tires are more like drag slicks... How can you tell with those? (Not the bandsaw tires.) In either case, when there is more of the tire on the ground than on the wheel it's time to change them... |
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