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Author Topic: DIY Scrap Iron Bandsaw Mill  (Read 15332 times)

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Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #260 on: September 21, 2023, 07:48:08 AM »
@beenthere   Guess I should have looked it up first. You'd think a pallet would be a no brainer. I found this thread from @doc henderson Pallet dimensions. It also contained a link to Standardizing lumber pallets. I can still fix it. Just need a few runners under the stickers and some more blocking to the ground. Looks like I didn't need the 4x4's at all. The next one will be easier.

Philippians 4:8

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Partially built bandsaw mill

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #261 on: September 24, 2023, 01:06:35 PM »
The pulleys showed up Friday afternoon. The next two weeks are pretty full. Hopefully I'll get enough time to work on it before then.



Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #262 on: September 30, 2023, 07:04:00 PM »
Worked on moving the winch a little this week. Unfortunately, while doing some welding I forgot to move the ground from the saw head to the frame when I changed locations. That resulted in spot welding one of the sliders to the post. We've got another busy week coming up next week. I probably won't get much mill time for at least another week. My plan is to use a hydraulic jack to break it loose.
Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline Crusarius

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #263 on: October 01, 2023, 04:54:03 PM »
quick wack with a hammer will do it.

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #264 on: October 02, 2023, 08:07:09 AM »
  The hammer with some winch tension was the first thing I tried. I can't get a good angle for a solid blow on that side. I hope to have some sawmill time today and tomorrow. The rest of the week is already tied up. I'm going to put a jack between the frame foot and the bottom of the head. Between that and a hammer on the upright it should pop a loose. I've made this mistake once before, but it came loose pretty easy last time. 
  I think I made the slider on that side a little too snug to start with. I'ts never moved as smoothly as it should on that side. When the engine is running that little vibration keeps it from sticking. If the engine is off it's a little jumpy moving down but OK going up. I was hoping a little wear would make it better. I've tried greasing it and that just made a mess. I've also tried oil, transmission fluid, WD40, dry lube, and silicone spray. The best thing I found for it so far is car polish. That seemed to work better than anything. Someone suggested I rub the post with a bar of soap. I haven't tried that yet, but I plan on trying it and also some auto wax if that doesn't work.
  Does anyone have a better suggestion for lubing the up rights? I don't think I would have this problem If I had used new square stock. The galvanized telescoping mast I used was not exactly smooth or even flat on the sides to start with.
Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline fluidpowerpro

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #265 on: October 02, 2023, 10:57:04 AM »
My mill didn't move smoothly on the uprights either and I was constantly trying different lube with no success. I later found that the cause of my issues was the cable pulleys. If they use bronze bushing as the bearing, you have to be religious about keeping them lubricated. The main pulley that took the most load was replaced with one of a larger diameter that used a ball bearing. Once I made that change, problem solved.
Change is hard....
Especially when a jar full of it falls off the top shelf and hits your head!

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #266 on: October 02, 2023, 03:54:15 PM »
don't put tension on it when you wack it that is defeating the purpose of the wack. You need it to move when you hit it.

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #267 on: October 02, 2023, 07:20:43 PM »
  I got the slider loose, but it drug worse than ever. I ended up cutting a section off the bottom of that slider. That really freed it up. I don't know how I'm going to clean up the sharp edges. since it's all welded together there's no way to disassemble and grind it down. I may just have to live with it until I build mill 2.0 as someone else has done. ;)



  I think it was worth it in the long run. Both sides rise and fall smoothly now. I did go ahead and rub some white dial bar soap on the post. I don't know if it helps or not, but it makes the mill smell good. Here are a few pictures of the new winch in it's new location and the reconfigured cables. The first image is the winch and it's line going straight down to a pulley mounted at the top of the saw head. The cable goes back up and terminates just under the winch. That cuts the lifting speed in half. I haven't tried sawing with it yet, but it still moves pretty fast.




To the right of the pulley you can make out the bolt that secures the other cable that goes down and around the pulley mounted to the frame then back up and over the two pulleys at the top of the mill to lift the other side of the saw head.




  The second cable terminates on an eyelet bolt so I can adjust the level of the beam.




Here's a front view of the mill as it is today. I finally got around to replacing a bad bearing on one of the axles today. I don't have to listen to it crying anymore. I cant wait to try it out again.




Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #268 on: October 04, 2023, 07:20:30 PM »
  I thought I posted this yesterday. I must have done something wrong. When I checked to see if anyone had answered my question it was gone. I put this 16' elm log on the mill yesterday. I found it already on the ground some months ago. It looks pretty bad, but most of the log as hard as a rock. 
  I want to cut some 2x6's out of it to use as rafters in my camper repair project. They won't be load bearing at all, just have to support the aluminum skin of the roof. They only need to be 7'6"  long. The problem is this I think this tree is full of powder post beetles. It''s got a bunch of tiny holes with a black ring around them. If I cut the lumber and spray it good with borax would the the wood be suitable for construction lumber or should I look for something else?
  I don't think I'll be loading anymore logs this size on the mill until it's in it's permanent location. It was all the tractor wanted to lift and I was worried that I would drop it and take out the shed, diesel tank and camper all at the same time. Plus I'm not setup to handle this much weight right now. Maybe cut the next one in half.
  I didn't finish sawing the log. The opening cut turned out wavy so I know it's time to replace the blade. There must be a lot of stress in this log. I could hear it poping as I cut. When I came out the othe end both ends of the cutoff piece were about an inch above the log.There's no more mill time for this week It will have to wait til Monday for me to get back to it. 
  Let me know what I can do with this wood.




Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline Crusarius

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #269 on: October 04, 2023, 07:36:16 PM »
that wood = rustic. but have to kill the bugs first. borax won't kill them hot kiln will.

2x6 is to large for in a camper. and I would find something that doesn't have bugs in it.

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #270 on: October 04, 2023, 08:35:35 PM »
  I was afraid of that. I don't have access to a kiln at this time. I would like to build one eventually. I guess it will be stacked to the side until a kiln can be built.
 The 2by's in the camper lay flat and taper down to 3/4" starting about a foot from each end. Original ones were 2x3. But I just wanted the extra width to better support the roof and a couple patches when it goes back together. It's a no rush project. I paid $50.00 for the camper to keep it from going to the crusher. It may become a portable workshop.
Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #271 on: October 21, 2023, 08:44:37 PM »
  I've been learning to use the mill and have had a few problems. I think my band speed may be too fast. The sawdust is very small and the blade leaves a lot of it on the log. I'm going to have to find the calculator I saw a while back and see what it says. It does cut good though.
 The welds on the log clamps broke right at the Tee. I had used the wire feed welder and it didn't penetrate very  well. I went back and re-welded them with the stick welder.
 I had my turn at trashing a saw blade on a side stop. Very irritating. I hit it hard too. Put a good groove in the stop. :(
 Then I had this log decide to jump off the mill while I was moving it into position. Luckily it didn't tear anything up. I had to cut it into small sections and roll them out of the way. :) No big deal, the log was pretty rotten anyway and crooked. Just wanted to cut it for the practice.





 The last problem I had was with the new pulley I mounted to the lower frame. The groove was catching sawdust and the cable would pack it down tight. I made this little hood for it. The bolt in the center is ground down to help scrape any dust out before it can be packed down and affect the  level of the sawhead.




 It's all good though. I ordered 5 new 10 blades to try out and some parts to build a blade sharpener. I read somewhere the 10 blades work better on mills with less than 25hp. My little kubota falls into that category.
Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline Magicman

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #272 on: October 21, 2023, 08:55:10 PM »
The problem is this I think this tree is full of powder post beetles. It''s got a bunch of tiny holes with a black ring around them.
Those holes are not PPB's but Ambrosia Beetles.  Spray the lumber to prevent PPB's and don't be concerned about the Ambrosia Beetles.  They are already in the log/lumber and they will exit as the lumber dries leaving a small pyramid of sawdust.
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Re: DIY Scrap Iron Bandsaw Mill
« Reply #273 on: October 22, 2023, 04:57:24 PM »
With my limited experience milling I have found the 10 degree blades to be the worst ones I use. I get better cut out of all the others. I have 22hp.

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #274 on: October 22, 2023, 07:16:56 PM »
Those holes are not PPB's but Ambrosia Beetles

What would be the best thing to spray it with? Do you think it would be usable on the interior of a camper after it's dry? I had in mind making some thin shiplap and staining it for a ceiling. But I don't want to infest the camper either. It's already had a hard enough life.
Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #275 on: October 22, 2023, 07:22:18 PM »
Don't be concerned with them, just do whatever you wish.  They will exit as the lumber dries leaving a small pyramid of sawdust.  They can not infest anything.

Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

It's Weird being the Same Age as Old People

Never allow your "need" to make money to exceed your "desire" to provide quality service.....The Magicman

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #276 on: October 22, 2023, 07:31:10 PM »
I have found the 10 degree blades to be the worst ones I use.

Wow, I hate to hear that, but I only ordered 5. The first blades I ordered were from Sawblade.com. I'm not really happy with them. They cut fine, but from the marks on the wood it looks like they have a problem with consistent set on the teeth. I thought it might just be the first blade I tried, but the second blade left the same marks, right up until I tried to saw through a side stop. I can't say that helped it at all. I'm on the third blade now and it's just like the other two. So I ordered 5 of the 10 deg blades from WoodMizer. We'll see how it goes.
Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #277 on: October 22, 2023, 07:43:20 PM »
They can not infest anything.

 Thanks, I had written that stack off. I just threw it on some pallets in the edge of the woods and covered it up. I'll have to go back and move it to the shed where I have a flat spot for it to dry on. 
Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #278 on: October 22, 2023, 07:55:59 PM »
Most of the interior finish lumber in our cabin had ambrosia beetles.  Nothing was kiln dried.  After I finished occasionally I would notice a pyramid on some flooring somewhere and I would vacuum it up.  After the lumber finished drying the ambrosia beetles were gone.  They can not live in dry lumber, but PPB's love it.  Tim-Bor, etc. will prevent PPB's from entering the dry lumber.

Conversely, Ambrosia Beetles usually enter the log while it is still a log.
Knothole Sawmill, LLC     '98 Wood-Mizer LT40SuperHydraulic   WM Million BF Club Member   WM Pro Sawyer Network

It's Weird being the Same Age as Old People

Never allow your "need" to make money to exceed your "desire" to provide quality service.....The Magicman

Offline RetiredTech

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Re: DIY Scrap Iron Bandsaw Mill
« Reply #279 on: November 07, 2023, 04:07:18 PM »
  I started a new thread here Band Blade Drag Sharpener with band sharpening questions. Somehow I let it devolved into another discussion of my mill so I thought I'd try to bring it back here and try to get the other thread back on topic too. 
  We were talking about engine speed and sawdust. I had a couple flitches still on the mill bed so I edged them just to generate a little sawdust at a reduced rpm.

This is a picture of the sawdust the mill generates at full speed. This batch was from some Cedar but everything I've run through was about the same. I wanted something small to put in the picture as a comparison. All I could find was a piece of .035 welding wire. It's smaller than cornmeal.




This is what it looks like at about 1/2 throttle. I'm fairly sure it was Elm.




Here's a shot with both piles.




I'm thinking the sawdust should look more like the lighter colored pile.

Philippians 4:8

Branson 4520R, EA Wicked Root Grapple, Dirt Dog Pallet Forks
Echo cs-450 & cs-620p , Husqvarna 136, Poulan Pro, and Black Max Chainsaws
Partially built bandsaw mill


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