To avoid these ads, REGISTER NOW!

side grinder to burnishing tool adapters

toplessHO

Well-known member
Joined
Oct 20, 2014
Messages
14,013
Location
central florida
bought one of these and shame on me didnt know that not everyone in the world has a side grinder that uses 5/8-11 threads
Is there anyone out there that makes the arbor extension for a 5/8 inch thread?
I would rather find the right one and send this back vs drilling and tapping

 
To avoid these ads, REGISTER NOW!

tarbellb

Well-known member
Joined
Apr 17, 2011
Messages
5,743
Location
Oregon
Seems you are already putting a lot of leverage force on the grinder with that attachment.

Not sure you would want to add a adapter to it as well.

Yes they do exist, hard to find, I'd start with eBay.
 
OP
T

toplessHO

Well-known member
Joined
Oct 20, 2014
Messages
14,013
Location
central florida
wont be a very big project,Im sure grinder will be OK for it.
I have looked on ebay,if I missed it please provide the link
 

darkzero

Well-known member
Joined
Oct 20, 2011
Messages
3,320
Location
SoCal
Do you have a buddy with a lathe? 5/8" is larger than M14 but there's probably not enough meat to bore & retap. I'd bore out that attachment, press in a sleeve the tap to 5/8"

But if you think adding an adapter extension should be fine for your needs, how about something like these?


 

Attachments

  • s-l1600-5.jpg
    s-l1600-5.jpg
    29.2 KB · Views: 23
OP
T

toplessHO

Well-known member
Joined
Oct 20, 2014
Messages
14,013
Location
central florida
good plan
this one is actually 10mm so if the proper arbor in 5/8 inch isnt available, I may need to get an M14 one and use as short of an adapter as I can find. This shaft is .750 so not a good plan to thread to .625.
 

Jswain

Well-known member
Joined
Apr 26, 2013
Messages
2,457
Location
Calgary, AB
Is it steel and do you have a welder? Get a 5/8 11 nut make a jig to keep it centered & weld it on

Bonus points if you cut the nut out of an old wore out wire wheel and it doesn't cost a cent
 

PoorUB

Well-known member
Joined
Mar 29, 2021
Messages
11,622
Location
Fargo, ND
Is it steel and do you have a welder? Get a 5/8 11 nut make a jig to keep it centered & weld it on

Bonus points if you cut the nut out of an old wore out wire wheel and it doesn't cost a cent
Good luck with that plan at 10,000 RPM!
 

Jswain

Well-known member
Joined
Apr 26, 2013
Messages
2,457
Location
Calgary, AB
Good luck with that plan at 10,000 RPM!
It would be a out a 5 minute job if the shaft is hollow and you have access to a lathe. Turn down section of 5/8 bolt to match Id of shaft, thread on the nut, insert into shaft, weld, unthread bolt. Not going to be any worse then the quality you get off eBay I'm sure
 

PoorUB

Well-known member
Joined
Mar 29, 2021
Messages
11,622
Location
Fargo, ND
It would be a out a 5 minute job if the shaft is hollow and you have access to a lathe. Turn down section of 5/8 bolt to match Id of shaft, thread on the nut, insert into shaft, weld, unthread bolt. Not going to be any worse then the quality you get off eBay I'm sure
You didn't mention a lathe in the first comment and if you have a lathe you would be far better off to machine and thread one out of one piece instead of welding something together.
 

Jswain

Well-known member
Joined
Apr 26, 2013
Messages
2,457
Location
Calgary, AB
You didn't mention a lathe in the first comment and if you have a lathe you would be far better off to machine and thread one out of one piece instead of welding something together.
I said make a jig, I didn't say the tools you require. You could do it on a drill press with a file and measuring tool if it would hold a 5/8 bolt if that's all you had. While making a new unit would be best, cutting them two keyways would **** if you weren't set up for it. People weld on shafts everyday
 

PoorUB

Well-known member
Joined
Mar 29, 2021
Messages
11,622
Location
Fargo, ND
I said make a jig, I didn't say the tools you require. You could do it on a drill press with a file and measuring tool if it would hold a 5/8 bolt if that's all you had. While making a new unit would be best, cutting them two keyways would **** if you weren't set up for it. People weld on shafts everyday
People that weld shafts every day have a few more tools than the average GJ member.
If the OP had the tools to build or weld up a proper adapter I doubt he would be posting here other than to say look at what I built.
 

Jswain

Well-known member
Joined
Apr 26, 2013
Messages
2,457
Location
Calgary, AB
People that weld shafts every day have a few more tools than the average GJ member.
If the OP had the tools to build or weld up a proper adapter I doubt he would be posting here other than to say look at what I built.

Because he posted asking if someone knew where to buy one premade, he's not capable of fixing it himself? **** he's got 10k+ GJ posts he's gotta have a few tools lol
 

tarbellb

Well-known member
Joined
Apr 17, 2011
Messages
5,743
Location
Oregon
Judging by the quality of some abrasive wheels I see out in the wild

welding your own nut onto a hub is well within most of our ability.
 
To avoid these ads, REGISTER NOW!

American Locomotive

Well-known member
Joined
Jan 8, 2017
Messages
10,945
Location
Rhode Island
For what it's worth, I actually have a cup wheel that's rated for M14 AND 5/8-11 threads. I'm guessing they just made the threads sloppy enough to work on both.

Makes me wonder if you can't just ram a 5/8-11 tap down it...
 

neophyte

Well-known member
Joined
Apr 23, 2012
Messages
9,582
Location
Pennsylvannia
Fein used to or still does sell a 5/8-11 adapter rod gor those drums for there polisher.

The adapter however was specifically meant for the fein polisher, which ran at a max 2,500 rpm or thereabouts.
The Metabo burnishers run at about 3,000 rpm.
I’m not sure what the max rpm is for the drums, but it is likely signigicantly below the 10,000-11,000 rpm grinders usually run at.
Osha safety requirements usually say never to run an accessory on a tool with a max rpm above the max rpm of the accessory, since even if the power tool has electronic variable speed, it is possible for the variable speed controller to fail, which tends to cause the power tool to speed up to the maximum rpm of the tool.
 

neophyte

Well-known member
Joined
Apr 23, 2012
Messages
9,582
Location
Pennsylvannia
Sorry,
I forgot to mention,
Most proper burnishing machines that use these drums, have at least two bearing next to each other to support the shaft, or widely offset bearings for the same purpose.
Regular angle grinders have no where near the same bearing support for the longer shaft.
 

Al Borland

Well-known member
Joined
Jan 20, 2016
Messages
1,598
By the time you mod your tool to make a "Maybe", you could spend a bit more and get this. No screwing around, no welds, no toasting bearings.
Also potentially deprives us of a funny story when the modded tool flies apart, removing the "Ridge" from your Rhodesian Ridgeback.
 
OP
T

toplessHO

Well-known member
Joined
Oct 20, 2014
Messages
14,013
Location
central florida
thanks for your concern
just what Im trying to avoid
buying another corded Asian power tool
especially for a couple hours worth of use
 
OP
T

toplessHO

Well-known member
Joined
Oct 20, 2014
Messages
14,013
Location
central florida
bought the M14 adapter,sending back the 10MM one.
I tried an M14 to 5/8" adapter but it made the assembly too long,
so I drilled the M14 out and tapped it to 5/8"
It works like a charm for what I needed it for,cleaning up rough sawn cedar trim
before restaining and sealing
 

Attachments

  • 20220622_172302.jpg
    20220622_172302.jpg
    537.6 KB · Views: 13
  • 20220622_172327.jpg
    20220622_172327.jpg
    398.3 KB · Views: 11
  • 20220622_172346.jpg
    20220622_172346.jpg
    369.6 KB · Views: 13
  • 20220622_172935.jpg
    20220622_172935.jpg
    406.5 KB · Views: 15

dnschmidt

Well-known member
Joined
Oct 3, 2014
Messages
7,270
Location
Phoenix, AZ
Or, just go to Harbor Freight and buy the tool that's made to do this job to begin with. I have the Eastwood model.
 

neophyte

Well-known member
Joined
Apr 23, 2012
Messages
9,582
Location
Pennsylvannia
By the time you mod your tool to make a "Maybe", you could spend a bit more and get this. No screwing around, no welds, no toasting bearings.
Also potentially deprives us of a funny story when the modded tool flies apart, removing the "Ridge" from your Rhodesian Ridgeback.
Weird.
I’ve never seen a burnishing tool with a gear box laid out like that.
 

dnschmidt

Well-known member
Joined
Oct 3, 2014
Messages
7,270
Location
Phoenix, AZ
Metabo has made a version of the Eastwood and Harbor Freight tools for at least 25 years. Since it's Metabo it cost close to $1000. I believe Fein has as well. They are how you achieve a linear scratch pattern on stainless steel. This was their original purpose. Then somebody figured out that with a coarse Scotchbrite wheel that they were the nuts for stripping paint. Just because you haven't seen it doesn't mean it never existed.
 

neophyte

Well-known member
Joined
Apr 23, 2012
Messages
9,582
Location
Pennsylvannia
Metabo has made a version of the Eastwood and Harbor Freight tools for at least 25 years. Since it's Metabo it cost close to $1000. I believe Fein has as well. They are how you achieve a linear scratch pattern on stainless steel. This was their original purpose. Then somebody figured out that with a coarse Scotchbrite wheel that they were the nuts for stripping paint. Just because you haven't seen it doesn't mean it never existed.
Fein actually uses separate arbor adapters, that attack to a polisher, which can be outfitted with a steel drum guard.
Flex( the German power tool brand) has been making a burnisher for decades.
Metabo also makes at least a couple models including a cordless version.
Suhner makes a version(UPK 5-R) although, like the Fein, it may just be a polisher with an adapter arbor and guard attachment.
I think all of the above use the standard 100mm x 100mm drums, and the tools that use adapter arbors can use other sizes as well.
There were some other brands that made similar burnishing nachines that used other drum sizes.
Walter was one, but it looks like the current Walter tools use the above drum size.
Festool/Protool used to make a version but it looks like they must have discontinued it.
 
To avoid these ads, REGISTER NOW!
Top Bottom