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  #1  
Old Fri 11 April 2008, 14:52
dmoore
Just call me:
 
Some alternatives to Bosch grinders for skate

There is not a parts list for building the rail skate M610100A so I did my best to make one up:

Bosch Grinder (US): 1347A
Bearings: 8 of 6001 Bearing (12mm ID, 28mm OD, 8mm Width (www.superiorbearing.com part 6001-2RS)
Eccentric Bushings: 4 of M1 20 210 T (www.superiorbearing.com part B3X)
Bearing Posts: 4 of 5/16" x 2" long - Pan/Flat head
Bearing Posts: 4 of 5/16" nuts
Bearing Posts: 4 of 5/16" washers
Plate bindings: 2 of 5/16" bolts
Plate bindings: 4 of 5/16" washers
Plate bindings: 2 of 5/16" nuts
Angle Adjustment: 2 of 5/16" x 3" full body thread
Angle Adjustment: 6 of 5/16" nuts
Angle Adjustment: 8 of 5/16" washers
Rail Rider Height Adjustment: 2 of 1/2" x 1 1/2" Stainless Steel Bolt (requires drill/tap hole to 1/2")
Rail Rider Height Adjustment: 2 of 1/2" nuts

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  #2  
Old Sat 12 April 2008, 08:04
lunaj76
Just call me: Justin #24
 
Littleton, (Colorado)
United States of America
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David,

Are you sure the Bosch 1347A will work? We bought the 1710 because the 1375A didn't work with the skate. The 1710 has a 7.5 amp motor.

http://www.toolking.com/category/pow...--45-inch.aspx
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  #3  
Old Sat 12 April 2008, 10:08
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
David was probably (mis)lead by:

Quote:
Originally Posted by Gerald D View Post
Do you all have any of these Bosch 115mm [4.5"] 11 000 rpm grinders easily available in your country?:
(all appear to have have similar aluminum gearheads)

230Volt countries:
GWS 11-125 (1100 Watt) (125mm)
GWS 10-125 (1000 Watt) (125mm)
GWS 9-125 (900 Watt) (125mm)
GWS 8-115 (800 Watt)
GWS 7-115 (750 Watt)
GWS 6-115 (650 Watt)

115V countries:
1810PS (8.0 Amp)
1810PSD (8.0 Amp)
1800 (7.5 Amp)
1375A (6.0 Amp)
1347A (6.0 Amp)

I could design a system that fits to their gearheads . . . .
Justin, are you saying that the 1347A had a different gearhead that would not fit the lasered skate? How well did the 1710 fit? Realise that I have never done it myself . . .

Is there a 1710 model? I only see 1810.
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  #4  
Old Sat 12 April 2008, 10:58
lunaj76
Just call me: Justin #24
 
Littleton, (Colorado)
United States of America
Send a message via Skype™ to lunaj76
I believe we checked the 1375A it could have been the 1375-01. It had a 6Amp motor and didn't fit lasered skate. If you use my link and go to page 2 you will see the 1710 this is the one we purchased (fit perfectly). We did not check the 1347A. Just wanted to make sure the 1347A did work.
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  #5  
Old Mon 05 May 2008, 23:29
dmoore
Just call me:
 
Bosch 1710 appears to be discontinued...

I ordered the Bosch 1710 and they responded with the following:

"BOS 1710 has been discontinued and replaced with part # BOS 1810PS.* The 1810PS is 4-1/2" small angle grinder."

Does anyone know for sure if the 1810 PS is a direct replacement for the 1710? Has anyone seen the 1810 at a big box store in the US?

Thanks,
david
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  #6  
Old Mon 05 May 2008, 23:55
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Doesn't answer your question, but this should help with a decision:
http://www.boschtools.com/Products/T....aspx?catid=75
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  #7  
Old Tue 06 May 2008, 00:09
dmoore
Just call me:
 
Yep - I've been there... I've looked over the manuals and the service manuals and I can't find a photo comparing the bottom of the units. I think I'll have to find a real-life one and check it out.

Does anyone have an actual photo showing the bottom of the skate bracket attached to the grinder?

Thanks,
david
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  #8  
Old Tue 06 May 2008, 01:17
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
From the Parts Diagram of the 1810PS grinder in the link above, the 4 screws are mentioned as thread forming tap, screw. In my case, that thread turned out to be M4 X 0.7mm, the most common 4mm metric thread. You need to get longer screws to allow for the thick skate plate. And again, not too much longer, (same as with the geared stepper motor casings), because you could damage the alu gear casing of the grinder. Too short, and it will strip the threads. Rather buy too long and then cut to length. ie. cut so that it just tightens lightly without a washer, then add a washer.

The Bearing Flange number for the 1810PS is 1 607 000 374. From another source, the bearing flange for the 1710 is 1 607 000 347 so there are differences. The guard, fig#651 also differs, but fig#'s 35 and 49 are the same between the models.

I have a high confidence that the skate will fit to either model, the key being the 4 screws and their spacing. The large hole might need some enlarging, but I doubt that.
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  #9  
Old Tue 06 May 2008, 06:14
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
the hole spacing worked fore on the ryobi 4208 model. I had to enlarge the back part of the large hole for clearance. Otherwise, just as you mentioned. Thanks for the list in certain many will appreciate the help. Sean

The laered hole was enlarged June 2008 - Gerald
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  #10  
Old Tue 06 May 2008, 21:07
dmoore
Just call me:
 
New grinder Models "mostly" compatible with the Skate

Ok, I gave up on finding a real-life Bosch 1810 so I could see if it would fix the skate, so I trotted down to the evil Home Depot to view the selection of Ryobi and I did find the AG402. The AG402 is basicly the same grinder as the AG452, the difference is mainly that the AG402 is a 4.4amp grinder and the AG452 is a 5.5amps. Since the head and the bolt pattern was the same, I purchased the AG452 since the price difference was only $10.00 USD (29$ vs 39$).

The head/collar of the AG452/402 is 1.810" OD as the skate hole is 1.714", so smreish was correct - just minor clearancing. I'd just recommend the AG452 over the 402 for the extra power, plus the extra flapdisk and wire wheel it comes with. I'll post photos later showing it mounted along with the additional parts required.
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  #11  
Old Wed 17 March 2010, 14:22
gooberdog
Just call me: Chuck
 
Kansas City, MO
United States of America
The Ryobi AG452, 4 - 4mmx0.7x25mm bolts and the skate plates and you are set up grinder wise. The grinder is running $39 USD from Home Depot
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  #12  
Old Fri 19 March 2010, 21:51
AuS MaDDoG
Just call me: Tony #71
 
Brisbane
Australia
My Hitachi 4" angle grinder is in no way close to fitting the skate, is anybody aware of or can recommend a grinder model here in Australia that will fit either the older or the newer type skate.

Cheers
Tony.
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  #13  
Old Fri 19 March 2010, 23:56
KenC
Just call me: Ken
 
Klang
Malaysia
Tony, I have a Ryobi, a Hitachi & a Skil then I borrowed a couple of Boshe & Chinese grinders but non of them fit the skate perfectly. As I don't wish to buy another grinder, I just ground the screw slots on the skate to fit my Skil grinder.
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  #14  
Old Sat 20 March 2010, 01:08
AuS MaDDoG
Just call me: Tony #71
 
Brisbane
Australia
All under control hopefully bought a Bosch grinder today and only had to make some very very minor mods to the skate for all to fit.

Are people using 4" and 5" grinders with their skates?? slight mods required to make the 5" disc fit the skate also.
Guess I should be able to use my Hitachi grinder for general work on the rest of the build.

Cheers
Tony.
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  #15  
Old Sat 20 March 2010, 01:50
KenC
Just call me: Ken
 
Klang
Malaysia
Tony,

I'm afraid slight grinding is required on the mounting holes.

4" grinder is the common practice.

To me 4" grinder handles beautifully with the skate, the 5" might be a bit cumbersome IMHO. If I can't remember exactly whether the 5" disc will run into something... or is it high risk to operate with the skate...

From my experience, you need more "feel" then power for good result on angle grinding.

Don't forget to secure the angle iron properly for safe operation, wear preparatory or at least a face mask & work outdoor if you don't like dusty shop. Can do without glooves.
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  #16  
Old Sun 21 March 2010, 09:06
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
5" is just a bit tall....works, but a little top heavy. I have had great success with both the 4" and the 4.5" grinders. Most recently the Ryobi 4.5" version worked well.
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  #17  
Old Sun 21 March 2010, 18:14
domino11
Just call me: Heath
 
Cornwall, Ontario
Canada
I have a Dewalt that will fit the skate. I could find the pn if anyone is interested.
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  #18  
Old Mon 22 March 2010, 03:47
AuS MaDDoG
Just call me: Tony #71
 
Brisbane
Australia
I have posted a couple of photos showing the skate mounted to my new Bosch grinder. So far so good, will be interesting to see how the 5" goes. I am feeling confident but time will tell I guess.

Link to my build journal and photos
http://www.mechmate.com/forums/showt...?t=1919&page=4

Cheers
Tony.
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