Walkman Cutter Grinder

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cidrontmg:
Seems VERY interesting. I asked a while ago how people sharpen their milling cutters (http://madmodder.net/index.php?topic=3194.0), and got some suggestions. Notably from John Stevenson, and his "the El Stevo Tool and Cutter grinder MK0.5." This seems like another variant of the general theme :)
I happen to have a Myford vertical slide that no longer has much use (none in fact) since I now have a milling machine. Similar bench grinders I have 2, and a number of stones for them, grey, green, cupped, diamond, etc. The only big item missing is the X-Y table, but it doesn´t seem overwhelmingly expensive. I also have the 5C collet indexing device as per John´s suggestion, and a number of collets. You bet I´ll be watching this with both eyes wide open :thumbup:
Hoping for a phenomenal success!
:wave:

sbwhart:
Thanks for you interest Lads.

Cid:- Like you I've bin thinking about this problem for quite some time keeping a look out for ideas I could use or adapt, When john posted the cross vice idea last year some time it fertilized my brain into thinking in that direction ( I'm sure the grumpy bugger won't mind :D)

I'm thinking of using a 5C to ER32 adaptor with an index plate, but I've not thought it through completely yet, concentrating on getting the grinder going first.

This is a magnetic block I'm thinking of using for a base, the coolant type are the cheapest available, I need to strip it down to machine a flat face but can't work out how to get inside it, any of you guys know ?.

As a back issue this is how I got to where I'm.

Myford vertical slide

Stripped down and two flats and a centre bolting hole machine into the slide.

The left over swivelly bit I'll use as a universal tool grinder.

This is the casting I've used as a vertical mount for the motor it came of a projector thing John gave me I stripped it down and this became one of those:-"I'll keep it as it may be useful moments" that paid off, you could use a bit of channel iron.

This is the motor with the base striped off.

The spindles for these cheap Chines Grinders are not very good for mounting wheels even with washers the shoulder is just not wide enough to keep things square.

So I make a collar held on with a grub screw to give the wheel a nice wide flat shoulder.

This is it with an adaptor to mount a cup wheel. Its a bit of an issue with me that wheels are not supplied with cardboard washers always mount wheel with washers.

This is the plate used for mounting the motor to the slide.

And drilling and tapping the ally jig plate to mount the table and motor too, you could use a bit of wooden work top but a metal plate would be better.

The compound table has slots for bolting it down which is handy as you can move it in and out on the jig plate.

And this is it with a cup wheel.

I'm still very much feeling my way with this one, and I won't to get my boiler completed so I'll drop this and go onto the boiler when I get some copper for a new back head.

But as its generated so much interest I'll keep you up to date with progress as it happens.

Stew

andyf:

--- Quote from: sbwhart on July 03, 2010, 04:32:51 AM ---This is a magnetic block I'm thinking of using for a base, the coolant type are the cheapest available, I need to strip it down to machine a flat face but can't work out how to get inside it, any of you guys know ?.

--- End quote ---

Peel back the blue and white label from the black plastic slab it sits on, and all will be revealed.

Andy

Davo J:
Hi,
That project is coming along and looks good.
I don't recommend you take the mag base apart as it will loose it's magnetism (don't ask me how I know this). There are a few article's on line about them being dismantled and some have had success having them demagnetized with an old auto electricians magneto magnetizer.

Is there much play in the standard bearings? Or are you replacing them with something better?
Dave

Rob.Wilson:
Hi Stew

I see your making good use of the leftover bits to :dremel: :thumbup:,,,,,,,,,, your sure giving me :proj: as i have most of the stuff lying about the shop ::)

Rob

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