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1/2-Sheet Sander?

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Forum topic by jimintx posted 03-14-2018 06:10 PM 586 views 0 times favorited 17 replies Add to Favorites Watch
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jimintx

802 posts in 1611 days


03-14-2018 06:10 PM

Topic tags/keywords: sander 12 sheet half-sheet sanding machine

I have a Ryobi Super Sander, that is super ancient, that uses 1/2 sheets. Happens to be a SU-6200, made in Japan. It is in poor condition, having been used extensively to sand the bottom of large sailboats, early in its life. And the rubber insulation on the cord is nearly all deteriorated and badly cracked. It runs, and the wires inside the cord seem to be ok. This one is also loud and has no modern features, such as speed control, dust collection or vibration damping.

When I search now for a new 1/2-sheet machine, so far I can only find a couple:
a Makita selling for 175 to 200 dollars, and a Bosch for 300+.

Does anyone know of another 1/2 sheet sized sander I have missed?

Given the choices I have found, I would take the Makita (BO4900V).
I expect it is a fine choice, but it is still a lot for a sander, in my current budget world.

For now I still can use the old Ryobi. Plus, I have a few 1/4 sheet sanders on hand as well was a couple each of ROS and belt sanders – so I can get my sanding fix when needed.

Thanks!

-- Jim, Houston, TX


17 replies so far

View John Smith's profile

John Smith

1003 posts in 189 days


#1 posted 03-14-2018 06:35 PM

Jim ~ I bought an older Makita BO4900V 1/2 sheet finishing sander at a yard sale for $10.00
it needs a small part that is broken and a new foam pad that are available from online sources.
there is a new one on E-Bay now for $188.00

although there is the inherent risk in a used power tool, the cheaper price risk offsets the new price
and with a good inspection and evaluation, hopefully you won’t get a lemon.
check your local pawn shops, yard sales, etc – you might get lucky. and, like yourself, I already have
several other sanders and I just can’t justify a new one at those prices..
the Makita BO4900V that I have weighs in at a hefty 6 pounds 12 ounces. (with dust collection).
I just checked the tag and it says it is Made in Japan and is 2.9 amps.

other brands are: Festool, Black & Decker, Craftsman, Bosch, Ryobi, etc.
just depends on your budget if you want to buy another one.

-- Graduated Valedictorian from the University of HardKnocks --

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BoardButcherer

144 posts in 121 days


#2 posted 03-14-2018 06:50 PM

Sounds like it’s been a while since you bought a big sander. Nothing about big tools are cheap anymore.

I’d pony up and treat it as a buy once cry once situation. Seemed to work for you for the first time since that sander dates back to when Ryobi still made tools in Japan. Don’t know of anyone else getting 20 years out of a handheld sander.

When was that? ‘96-97?

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jimintx

802 posts in 1611 days


#3 posted 03-14-2018 06:56 PM

Yep, John, that is the one. You got a good find, it sounds like. The BO4900V is $176 on Home Depot.com now, with free shipping to a store. It is probably my best bet, and I will wait for my next cash accumulation to occur.

I won’t be considering Festool, and those other brands just don’t have the 1/2 sheet size, except the Bosch.

Yard sales are tougher here. I live in an area where they are not allowed. Driving around this big metropolitan area to check for random items of most any type at yard sales is a huge time consumer and a traffic morass. I do drive by a couple of pawn shops from time to time, so I will go see what they have. It has been a while but in the past I always was shocked at how high their prices were for everything, close to new retail level.

-- Jim, Houston, TX

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Rich

2998 posts in 616 days


#4 posted 03-14-2018 07:55 PM

+1 on the Makita BO4900V. It’s a workhorse, easy to load paper and the dust collection actually works. What’s stupid is that for that price, it doesn’t come with a punch plate (at least it didn’t when I bought mine). Every other sander does so go figure. The Festool punch plate has the right spacing, but it was $40 when I looked at it.

So, I made my own. I even did a blog post on it. Reading back I was complaining about the paper dust bag the sander uses, and that I’d ordered a pack of 5 replacements. Fact is, I’m still using the original one. I just empty it out and it hasn’t torn or anything.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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John Smith

1003 posts in 189 days


#5 posted 03-14-2018 08:13 PM

I bought my Makita sander several months ago and due to this post,
I got energized and disassembled the sander to check what part was
broken (according to the seller – it had a broken part).
what I found out was that the metal paper clamp was missing.
I went to e-replacementparts online to order the part ($5.47)
and saw that other parts were so cheap, I ordered two new paper clamp levers (they are plastic)
with new screws…... with $5.25 for shipping, the order came to $25.00 total.
the foam pad was $52.00 so I will improvise on that one – it will last a few more years as-is.
so – with the $10.00 purchase price and new parts, I have a very good condition sander for $35.00
it was very clean inside and the bearings are clean and turn freely. so it probably belonged to a hobbyist.

so Jim, if you can find a cheap used Makita, the replacement parts are very affordable.

good luck !!

-- Graduated Valedictorian from the University of HardKnocks --

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John Smith

1003 posts in 189 days


#6 posted 03-14-2018 08:45 PM

Rich – I didn’t understand why you needed a punch plate as I have never used one……
with your photo and description, I understand it is to punch holes in the paper so the dust collection works.
the other half sheet sanders I had were the vintage (1980s) Black n Decker and worked quite well
as they were used either in the open garage or outside and did not have the dust collection ability.
I can make the punch plate template now that I have the machine apart.
I have a couple of dust bags from the Porter Cable belt sanders that might fit with a little tweaking.

Thanks for the tutorial !!!

Edit: this is a photo of the cyclone dust extractor….. seems like it will work quite well !!

.

-- Graduated Valedictorian from the University of HardKnocks --

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jimintx

802 posts in 1611 days


#7 posted 03-14-2018 09:20 PM

Okay, I am sold. I will make that punch plate per your instructions, Rich. I can see no indication that it has a plate in the box.
I will check a few pawn shops, first, but more than likely I’ll have to get it ordered.

-- Jim, Houston, TX

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Rich

2998 posts in 616 days


#8 posted 03-14-2018 10:16 PM

That bag is going to hang down and get in the way, John. The OEM bag has a tray. It’s kind of clunky, but it does keep the bag above the board. https://www.ereplacementparts.com/paper-dust-bag-holder-set-p-57059.html

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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John_H

176 posts in 1733 days


#9 posted 03-15-2018 12:38 AM

I have the Bosch and even though it was more money, I feel it was worth it. The Bosch has variable speed and their ‘vibration control’ which really does cut down on vibration. Instead of using a dust bag, they have a dust filter that actually works quite well. And, it comes with a punch plate

Take a look and read the reviews
https://www.amazon.com/Bosch-OS50VC-120-Volt-Finishing-Vibration/dp/B00B7EU1I4/ref=sr_1_1?ie=UTF8&qid=1521074286&sr=8-1&keywords=Bosch+OS50VC&dpID=41dOV1YGErL&preST=_SX300_QL70_&dpSrc=srch

I recently made a ‘play table’ for the grandkids. The top is 3/4” MDO edged in Poplar. The pic below is of the initial sanding. Note the darker brown areas – those are low spots that a smaller sander would just sand into instead of flattening out the area. The redder looking areas is where the outer layer of the MDO is getting sanded off. Something funky was going on with this end of the sheet – I usually don’t have issues like this when working with MDO

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jimintx

802 posts in 1611 days


#10 posted 03-15-2018 06:47 PM

I have the Bosch and even though it was more money, I feel it was worth it. The Bosch has variable speed and their vibration control which really does cut down on vibration. Instead of using a dust bag, they have a dust filter that actually works quite well. And, it comes with a punch plate. ...
- John_H

Dang, more complication, mainly due to almost no competition for this class of power sander. I’m just surprised by that realization. Before this quest, I had not realized that larger, 1/2 sheet sanders were no longer common.

My immediate solution for coming needs is to fire up this old beast:

-- Jim, Houston, TX

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BoardButcherer

144 posts in 121 days


#11 posted 03-15-2018 07:09 PM


Dang, more complication, mainly due to almost no competition for this class of power sander. I m just surprised by that realization. Before this quest, I had not realized that larger, 1/2 sheet sanders were no longer common.

My immediate solution for coming needs is to fire up this old beast:

- jimintx

It’s the same for 4×24 belt sanders. You’ve got a choice between 2 Makitas and 2 Porter cables. For some reason the big handheld sanders are going the way of the dodo unless they have some use for automotive finishing.

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John Smith

1003 posts in 189 days


#12 posted 05-07-2018 03:16 PM

Makita BO4900V 1/2 sheet finishing sander = update.

Jim, did you find a half sheet sander yet ??
I mentioned above that I was going to use the Porter Cable dust bag
on my newly acquired sander . . . . after waiting a while on replacement parts,
it is finally in action and I am very pleased with the modified results.
after experimenting a bit with the PVC pipe, this is what works best for me in my world.
I will be making a punch plate for the holes in the paper as per Rich’s design. (Thanks Rich).
the PVC is standard 1/2” but the 3/4” CPVC will also work well.

and as I mentioned – it works for ME in MY world – - – I am not a cabinet shop
making a whole lot of sheet related projects. for the price of the sander ($10)
and the replacement parts ($22) . . . it works just fine for the projects that I do.
besides, I have a few more sanders in my arsenal – this one is just a nice addition (for cheap).

.

-- Graduated Valedictorian from the University of HardKnocks --

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jimintx

802 posts in 1611 days


#13 posted 05-07-2018 06:29 PM

I like what you concocted there, John! Clever, and effective.

The answer about my choice is no, I have not done anything. I think I lean toward getting the Bosch, but I have not been so moved to spend that much money. Further irritating about it is that I cannot go look at one in person before purchase. I know, I could send it back if I wanted.

In the meantime, I have used the ancient Ryobi I pictured above a little bit, and i just set up on horses outside and don’t worry about dust collection.

IF I did find one like yours at all, let alone at some sort of price like you scored, I would certainly buy it. And like you, I am not short on sanders overall.

-- Jim, Houston, TX

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Rich

2998 posts in 616 days


#14 posted 05-07-2018 07:27 PM

I’m confused, John. Where do you drop the marble in and what part traps the mouse?

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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John Smith

1003 posts in 189 days


#15 posted 05-07-2018 07:40 PM

.

-- Graduated Valedictorian from the University of HardKnocks --

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