Thread: Bosch Random Orbital Sander

G'Day Paul,
I have a very cheap 5" random orbital sander that won't hold the 40grit sanding disc while the 80grit seem to be okay.
I also have a 10 plus years old 6" Bosch Blue Random Orbital sander and can't fault it; I just air blow it & the filter out at the end of each use.
I can't vouch for the newer models.
Cheers, Crowie

I was involved in metal polishing for a number of years and we found that while hook and loop was the bees knees for being able to work through grits to finish cleaning up welds, it does not like any heat buildup at all. We were working from 120 to 600 on 5 inch angle grinders running at about half speed probably running 3-4 hours a day, (balance of time flapwheel or surfacing machines), and were lucky to keep a hook adaptor usable for a week or so. We started replacing the hook adaptor (abt $30), then buying Norton individual hook pads to replace the worn ones (abt $17). Ultimately we bought a self adbesive hook pad in metre wide sheets of the roll about 2 or 3 metres at a time and cut our own pads with sissors. Cost per pad was down to $1.50 each for material, about a minute to cut them and a couple of minutes to clear an old pad and replace it.

Would take a bit longer to punch extraction holes for perfed disks, but definitely worth considering.

Thanks Crowie and Malb

I'll take all of that on board, prticularly the self adhesive sheet. Malb, where did you source the material?

I do see a problem with the 400. It is Bosch's hobby range and I probably give it a bit more stick than I should.

The second issue is that this separation of the pads hasn't really been a problem in the past.

Anyhow still interested to hear reports on the Turbo 150 before I lash out close to 400 readies.

Regards
Paul

My Bosch PEX is virtually useless. Threw the disc holding pad assembly off just out of warranty - and it had had very little use. The screw that hols it all in place just worked loose. even Loctite fails to hold it in place.

To me a circlip would be a better idea.

Originally Posted by Bushmiller

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Has anybody else experienced similar problems with the PEX 400 AE?

I'm not sure of the model, but I've had a Bosch Pex random orbital for 10 or so years and had the frisbeeing disc problem as well.
I just bought a sheet of (good quality) hook material and glued it straight over the old flattened stuff. I've done this a few times since.. but I get a couple of years run out of each.

I like Malb's post re the self stick sheet - it appears that it could be an answer for me even though mine is not a Bosch but a Makita

Eg https://www.woodworkforums.com/f13/ma...roblem-126960/

Well, I picked up a Bosch Pex 12 ae for $10 at a garage sale. It also sheds discs like it's going out of fashion. The pad itself looks of, so I had to order some discs from The Sandpaperman and whilst cruising the site found the Converter discs. So I'll give them ago.

Re sourcing velcro hook sheets, I don't know where we got the sheets I mentioned above from as they were originally located by someone else and after testing one lot he was responsible for further purchases. A bit of googling bought up the sandpaper man who has a variety of sizes available. This one has a picture or the stuff rolled showing the backing and the hook face. The logo in the back protective film is the same as what we were buying, so it is probably the same stuff in aadifferent sheet size.

Good one Pat & Malb - thanks for the info.

Well the converter disc is installed and once someone remembers the threadlock the pad to the machine, no sanding disc flying thru the shed