petro1head | 16/09/2023 12:43:37 |
![]() 984 forum posts 207 photos | These look like a great idea for polishing and deburing. Looking at 150x25 however not sure where to but and what grade plusmis there andecent alternative to 3M as they are quite expensive
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Baz | 16/09/2023 14:28:43 |
1033 forum posts 2 photos | Last aerospace company I worked for used to use them a lot, we had a 8 inch grinder with a drill chuck either end and a plywood template to cut the circles of scotchbrite around, they were mounted on a 1/2 inch bolt with a couple of ply washers supporting them and that was it. Used to get a lovely finish with them on stainless bits but you need a mask and safety glasses because of all the bits and dust that comes off the scotchbrite. |
Dave Halford | 16/09/2023 20:24:31 |
2536 forum posts 24 photos | Scotchbrite has Aluminium oxide in it |
Dalboy | 16/09/2023 21:33:14 |
![]() 1009 forum posts 305 photos | Not sure if THESE are the same type of thing as they say they are used to produce a satin finish on metal. Have been thinking of trying them if anyone has any experience of them. I also looked at the M3 ones and found them expensive |
bernard towers | 16/09/2023 21:38:24 |
1221 forum posts 161 photos | I use fine deburring wheels from 3m they are quite expensive but do a superb job, mostly used used for taking the burr off the last gear in a stack off the Hobber. Edited By bernard towers on 16/09/2023 21:38:56 |
george baker 1 | 16/09/2023 22:10:05 |
39 forum posts | Hi I'm not sure that they were the same thing but I worked in a place with a big floor scrubber that used similar looking pads. Odd pads were often available, so I suppose you could cut circles and after a few revolutions I suspect the circles would trim them selves. G |
petro1head | 16/09/2023 22:22:04 |
![]() 984 forum posts 207 photos | Posted by Dalboy on 16/09/2023 21:33:14:
Not sure if THESE are the same type of thing as they say they are used to produce a satin finish on metal. Have been thinking of trying them if anyone has any experience of them. I also looked at the M3 ones and found them expensive No thay are the soft ones
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Martin Connelly | 17/09/2023 08:21:06 |
![]() 2549 forum posts 235 photos | Baz, sounds much like using a Scotchbrite type of wheel in a Dremel. The bits that fly off them is best kept out of the workshop. Martin C |
petro1head | 17/09/2023 08:40:44 |
![]() 984 forum posts 207 photos | This is what I am refering to HERE |
Michael Gilligan | 17/09/2023 08:49:55 |
![]() 23121 forum posts 1360 photos | Posted by petro1head on 17/09/2023 08:40:44:
This is what I am refering to HERE . Which just goes to demonstrate a point that I have previously tried to make:
Similar to the situation with “loctite” … merely referencing a trade name is not enough ! MichaelG. . Ref. https://www.model-engineer.co.uk/forums/postings.asp?th=176664&p=1 Edited By Michael Gilligan on 17/09/2023 08:51:22 |
Baz | 17/09/2023 09:24:51 |
1033 forum posts 2 photos | Posted by Martin Connelly on 17/09/2023 08:21:06:
Baz, sounds much like using a Scotchbrite type of wheel in a Dremel. The bits that fly off them is best kept out of the workshop. Martin C Totally agree Martin, amazing how many bits fly off. We used the light brown grade which is quite coarse and after half an hour you were covered in dust. I don’t use them at all in my workshop, if I had to use them I would do it in the garden.
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noel shelley | 17/09/2023 10:19:11 |
2308 forum posts 33 photos | For the sort of things we do I would recommend the 3M unitized discs, about 3" dia with the rolok attachment on a 4.5 angle grinder. They come in a wide array of grain size and for cleaning or satin finish are very good. They will take cast brass from as cast to satin, but be warned they are a lot more agressive than you might think. Their not cheap. Best used in the open as the particles will get everywhere. Noel. PS When they were first about, they supplied a kit with a range of grits and the rolok fitting at a reasonable price to get you hooked. |
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