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Cross vice + grinder = Quorn?

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Stub Mandrel10/12/2011 20:49:46
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4315 forum posts
291 photos
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Excellent coarse engineering Les!
 
Neil
Les Jones 111/12/2011 09:17:15
2255 forum posts
156 photos
Hi Neil,
Thanks for the comment but I do not think it is in the same league as a "Quorn" It just seemed a cheap and lazy way to make a support to use Harold Halls end mill and four facet drill sharpening jigs. Before anyone comments on the wheel coming off when the motor is running in reverse (As it needs to be sharpening the end mill.) the hub is keyed onto the shaft.
By the way Neil, how did you insert the picture before the post ?
 
Les

Edited By Les Jones 1 on 11/12/2011 09:18:52

Harold Hall 111/12/2011 18:21:22
418 forum posts
4 photos
I like the idea Les, makes me wonder why I designed my grinding rests.
 
What is the studding for, bottom right, is it an adjustable stop.
 
I think perhaps that David would like it as an article for MEW.
 
Glad you find the end mill sharpening and four facit drill sharpening jigs useful!
 
Harold
Les Jones 111/12/2011 18:55:28
2255 forum posts
156 photos
Hi Harold,
You are correct. The studding is an adjustable stop which I fitted for use with the four facet drill grinding jig. I am not happy with the stop as it has to stick out so much and is in the way when turning the feed handle. I am also thinking of replacing the original feed screw with one with a finer thread. Other problems with the design are that the angle to which the table can be set is limited by the back end of the plate touching the space between the jaws. another problem is although the pivot for the plate is as close to the wheel as I can get the grinder has to be raised or lowered at times by adding or removing spacers. The table only pivots on one axis whereas yours pivots on two axis. I find your two jigs very useful. The only problem I find with the drill grinding jig is that larger drills tend to rock in the V grove. I think increasing the length of the V groove will solve this problem. You may just be able to see that I moved the grub screws to the corner of the square bar to give a longer length of thread when there is a large hole through the bar for big cutters. The grinder head is also your design with the addition of a reversing switch and the hub being keyed to the shaft. By the way I am very impressed with your website.
Les.
Stub Mandrel11/12/2011 20:46:16
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4315 forum posts
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Les,
 
When you said you has successfully uploaded a picture recently I looked at your album
 
If you comment on a picture it starts a thread like this one.
 
Neil
Les Jones 129/12/2011 09:00:44
2255 forum posts
156 photos
I noticed that Axminster Tools have cross vices on the sale page of their website. The 3" one is £17.44 I think this would be a cheap basis for a low cost tool grinder.
 
Les.
Stub Mandrel29/12/2011 13:03:11
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4315 forum posts
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A cheap sorce of cast iron even if its total cr*p!
 
Neil
Michael Horner16/02/2013 17:46:30
222 forum posts
63 photos

Hi Les

I like your ingenuity, what size grit is your wheel?

I'm toying with the idea of using and old lathe, ML2 I think but there isn't a Myford on the casting so who knows.

Cheers Michael

Les Jones 116/02/2013 18:31:22
2255 forum posts
156 photos

Hi Michael,
I think the wheel is 60 grit from the part number. I bought one white and one green wheel from AbTec about 3 years ago. They were selling one of each wheel together with a diamond dresser on Ebay. If you do a search on Google with abtec and grinding you will find their website. I do not know if they still sell on Ebay.

Les.

Michael Horner16/02/2013 18:57:49
222 forum posts
63 photos

Hi Les

Thanks for that. I think they still sell on Ebay, I'll check it out.

Cheers Michael

Jens Eirik Skogstad16/02/2013 22:15:10
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400 forum posts
22 photos

The poor man's tool works as well as expensive tools. With knowledge and good job, you get a wonderful result of your craft. smiley

IanT17/02/2013 10:30:24
1993 forum posts
212 photos

Hi Les,

Any chance of a couple of more photos of your arrnagement please - one from the side and one a bit closer up of the table arrangement ?

Regards, IanT

Bazyle17/02/2013 11:40:25
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6324 forum posts
222 photos

As it looks rather like a Kennet grinder perhaps the prominent angle graduation on the table for that design would be of value.

John Stevenson17/02/2013 13:07:57
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5068 forum posts
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I posted this way, way back on another forum in the 1990's just as a concept idea.

It was never built or even close to it.

The picture is just a posed shot of what could be achived with a minimum of "Chequebook Engineering"

 

 

The part not really visible between the vise and spin indexer is just a piece of rusty black angle iron.

Obviously this needs redesigning to use a piece of non rusty bright angle iron.

Edited By John Stevenson on 17/02/2013 13:09:59

Les Jones 117/02/2013 18:14:55
2255 forum posts
156 photos

Hi IanT,
Here is a closer view of my lash up tool grinder.

img_0823 (custom).jpg

There are more pictures in "My Photos"
John has just proved a point that was made on another thread that that if you have an idea then someone has had the same idea before. Sorry John I only used black angle and plate. Only the top surface of the table was machined.

Les.

John Stevenson17/02/2013 18:21:30
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Moderator
5068 forum posts
3 photos

At least you built yours Les, mine was only a concept idea which ironically was shot down by many of the readers as a rubbish idea.

Should have used brass and stainless, obviously not enough bling in it to attract the unwashed.wink

Stub Mandrel17/02/2013 20:03:32
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4315 forum posts
291 photos
1 articles

John,

You should have bolted the grinder to a bit of scaffold bar, epoxied to a bit of plywood, like I did.

The other mistake was not to cover it all with smoothrite

As you can see it also makes a really fine tablemat.

Neil

General View of Grinder

IanT17/02/2013 22:57:51
1993 forum posts
212 photos

Thanks for the photos Les - very helpful.

John - I might have some rusty black angle iron somewhere down the shed but I'm fairly certain that I don't have any non-rusty stuff anywhere (just about everything in my shed is rusty!) - so please put a hold on that redesign.

Regards,

 

IanT

Edited By IanT on 17/02/2013 22:58:23

Bill Todd21/03/2013 14:39:02
2 forum posts
4 photos

Knocked up something similer a while ago. I used a motorcycle forkleg as a slide for grinding endmill flutes

 

tcg.jpg

 


air bearing 1.jpggrind 2.jpg

Edited By Bill Todd on 21/03/2013 14:45:17

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