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Thread: Woodfast Jr Bandsaw Restoration
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8th May 2021, 06:18 PM #1Member
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Woodfast Jr Bandsaw Restoration
Picked this little guy up quite a while ago now off scumtree with the intent to restore back to its former glory... I'm in between places at the moment, most of my things packed up in storage so haven't had much time on the tools lately. Decided to drag the ol' bandsaw out of storage and make a start on the resto. Reading through the forums it seems I'm in good company, no doubt I'll be referring back to Bueller's great restoration thread a few more times as I progress.
The bandsaw came pretty much complete, guide bushings appeared to be in reasonable condition. I have the belt and pulleys with an old 1/2HP induction motor (the oldschool kind that uses oiled bushings, rather than bearings). I've pulled the motor apart, the thing was chock full of sawdust so gave it a bit of a clean, checked the winding insulation resistance with a megger and checks out ok so should be right to put back in service once I put it back together.
I'm shocking at documenting my progress when I do projects like this, once I get stuck into things I forget all about taking photos. I forgot to take some before I started so I'm already off to a terrible start! Hopefully writing stuff down here will help prompt me to stop and take photos every once in a while, as well as maybe helping anyone else out who is undertaking a similar restoration.
The motor and bandsaw has been at some point re-painted in a sort of royal blue colour, I'm planning on stripping back the paint and re-painting - probably back to the classic Woodfast teal/green. First things first, I got stuck into removing the paint today and hoo boy it sure is baked on.
I started with the pulley, which had been painted all over (including in the v groove) so I hit it with some paint stripper - which softened the paint to an extent, but still required a considerable amount of elbow grease with the metal brush to get the stuff off. multiple applications of paint stripper later and some time at the wire wheel and I'm almost there:
IMG_0167.jpg
For the body I decided to change tack and go at it with a poly strip wheel. after an hour or so I managed to get most of the wheel cover sorted.
IMG_0158.jpgIMG_0159.jpg
There are a few nooks and crannies I couldn't get into with the wheel, and there are as loads of little facets in the main body casting and the underside of the table - I've no idea yet how I'm going to remove the paint in there, perhaps with flap wheels and cups and a drill? Any suggestions are most welcome!
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1st June 2021, 08:21 PM #2Member
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I've been chipping away at this over the last few weeks - stripped more paint, still a ways to go.
In the meantime I'm slowly picking up some other things I'll need for the restoration;
I have ordered a set of new urethane tyres from ebay:
Urethane Bandsaw Tyres 8"/9"/10"/11"/12"/14"/16"/17"/18" | Set of 2 | eBay
New bearings are from SKF:
2 x 6201-Z
1 x 6202-Z
1 x 6202-2RSH
I also managed to score a brand new Baldor 4p, 1/2HP single phase motor on marketplace for $80. Couldn't believe my luck, the old pulley is a perfect fit on the new motor shaft!!
IMG_0206.jpg
Next, I'll order a DOL starter. I think this one will work well with my motor
https://www.directautomation.com.au/...4-1-phase.html
Hopefully I'll have more time this weekend to keep progressing things!
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1st June 2021, 08:26 PM #3
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2nd June 2021, 01:31 PM #4GOLD MEMBER
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Buy a cheap sandblasting setup and some blast medium for the cast areas, easiest and quickest way to strip them. Or call up a dry ice blasting company and take it there for them to do.
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2nd June 2021, 07:45 PM #5Member
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Riverbuilder, I did look at getting a sandblasting setup for future projects. I was looking at the Hafco SB-200:
S289 - SB-200 Workshop Sandblasting Cabinet | Hare & Forbes Machineryhouse
The thing that put me off was the volumetric flow requirements, the Hafco cabinet as an example requires min. 12cfm - which means I would need to pair it with at least a somewhat capable compressor (cheapest single phase compressor I can see on the H&F website that can manage that kind of delivery is around $1k). Granted I'm sure I would use the compressor for other things but it's a hard to justify the expense at the moment..
I've not heard of dry ice blasting before, it sounds like it would be more gentle on the soft aluminium castings which is a plus but a quick search doesn't show much in the Brisbane area unfortunately (I considered taking it to a local blasting shop but figured the assoicated labour costs would probably blow out my budget.)
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13th June 2021, 09:25 PM #6Member
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Update, I finally relented and bought the sandblasting cabinet. Ended up spending the better part of my saturday putting the bloody thing together, but eventually we were up and running. It comes flat packed, all the panels are held together with bolts, as such it leaks abrasive grit like crazy. I've put a container under the hopper to catch the abrasive. its set up outside, so not a huge concern but eventually I'll empty it and seal everything up (either taping up the seams or weld it together if I'm feeling up to it)
IMG_0226.jpg
I've got it hooked up to my in law's compressor for now. Slowly working my way through everything the poly strip discs couldn't get to:
IMG_0224.jpgIMG_0225.jpg
I'm almost ready to start priming a few parts. The original aluminium castings are rough as guts so I've been sanding and filing back the casting marks, after priming I'll apply some auto body filler to smooth everything before applying epoxy paint over the top.
That's all for now, still got a ways to go!
Cheers,
Caillan
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15th August 2021, 09:36 PM #7Member
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progress update
It's been a minute. I've been absolutely slammed at work the last few weeks, so haven't had a lot of spare time to work on the bandsaw.
I got the bandsaw all stripped back to bare metal. A few coats of etch primer and some body filler to fill the larger voids.
IMG_0283.jpg
First coat of Epoxy Enamel in AS2700 G22 - 'Serpentine' down. My first time using a spray gun, the finish isn't as uniform as I would like it. I'll let it cure a week, sand back some of the gnarly bits and give it a final coat.
IMG_0286.jpg
I used a hammertone paint in charcoal grey on the wheels, got the urethane tyres on. Was expecting them to put up a fight, but after soaking in hot water they stretched on without too much manhandling.
I've cut a 3.5mm rubber stip from Clark Rubber to fit the channel, which produces a very slight, if any crown. Not sure if this will be an issue, I've read differing opinions on crowning bandsaw tyres so I will see if it gives me any trouble once I have it up and running and look to pack the channel up a bit to produce a more pronounced crown if needed.
IMG_0291.jpgIMG_0292.jpg
Getting closer!
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