Grinding chuck jaws

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Subject Author Date
Grinding chuck jaws David 05-15-2008
Posted by David on May 15, 2008, 1:53 pm
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Hi all,

Towards the bottom of this page
http://homemetalshopclub.org/news/aug04/aug04.html is an article on grinding
chuch jaws. The method seems to make some sort of sense.

I have a Toledo TCT 15 Combimachine grinder (struggling to find any decent
images, but look here http://www.wowowo.co.uk/top_products/5292/5292-30.htm
about a 1/3rd way down).

I need to somehow mount the grinder to my lathe in order to grind the jaws.
My lathe is a boxford cud (4.5" center height). If I were to stick the
grinder direct onto my compound slide (replace the toolpost), it will be
about center height, but as the case is plastic and no flats on it, I am not
sure how I would mount it.

Looking for ideas (or if anyone has done something similar, perhaps some
photos).


On another note, when I can get it mounted, no doubt I could do cylindrical
grinding... (I used to be a trained grinder before I joined the airforce). I
would prefer to dress the wheel prior to grinding. I have a diamond dresser,
any ideas how I would mount it in order to dress my wheel parallel?

Thanks.

Best regards,
Dave Colliver.
http://www.AshfieldFOCUS.com
~~
http://www.FOCUSPortals.com - Local franchises available



Posted by dave sanderson on May 15, 2008, 2:04 pm
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> Hi all,
>
> Towards the bottom of this
pagehttp://homemetalshopclub.org/news/aug04/aug04.htmlis an article on grinding
> chuch jaws. The method seems to make some sort of sense.
>
> I have a Toledo TCT 15 Combimachine grinder (struggling to find any decent
> images, but look herehttp://www.wowowo.co.uk/top_products/5292/5292-30.htm
> about a 1/3rd way down).
>
> I need to somehow mount the grinder to my lathe in order to grind the jaws.
> My lathe is a boxford cud (4.5" center height). If I were to stick the
> grinder direct onto my compound slide (replace the toolpost), it will be
> about center height, but as the case is plastic and no flats on it, I am not
> sure how I would mount it.
>
> Looking for ideas (or if anyone has done something similar, perhaps some
> photos).
>
> On another note, when I can get it mounted, no doubt I could do cylindrical
> grinding... (I used to be a trained grinder before I joined the airforce). I
> would prefer to dress the wheel prior to grinding. I have a diamond dresser,
> any ideas how I would mount it in order to dress my wheel parallel?
>
> Thanks.
>
> Best regards,
> Dave Colliver.http://www.AshfieldFOCUS.com
> ~~http://www.FOCUSPortals.com- Local franchises available

If its a dremel clone, which from the piture it looks like then a
couple of big hose clamps
round the body securing a bar which can be clamped in the toolpost
would do it
As for dressing a wheel magnetic stand on lathe ways with dresser
clamper to post, move
carriage back and forward, use cross slide to alter DOC?

Dave

Posted by Richard Edwards on May 15, 2008, 2:24 pm
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On Thu, 15 May 2008 11:04:01 -0700 (PDT), dave sanderson

>> Hi all,
>>
>> Towards the bottom of this
pagehttp://homemetalshopclub.org/news/aug04/aug04.htmlis an article on grinding
>> chuch jaws. The method seems to make some sort of sense.
>>
>> I have a Toledo TCT 15 Combimachine grinder (struggling to find any decent
>> images, but look herehttp://www.wowowo.co.uk/top_products/5292/5292-30.htm
>> about a 1/3rd way down).
>>
>> I need to somehow mount the grinder to my lathe in order to grind the jaws.
>> My lathe is a boxford cud (4.5" center height). If I were to stick the
>> grinder direct onto my compound slide (replace the toolpost), it will be
>> about center height, but as the case is plastic and no flats on it, I am not
>> sure how I would mount it.
>>
>> Looking for ideas (or if anyone has done something similar, perhaps some
>> photos).
>>
>> On another note, when I can get it mounted, no doubt I could do cylindrical
>> grinding... (I used to be a trained grinder before I joined the airforce). I
>> would prefer to dress the wheel prior to grinding. I have a diamond dresser,
>> any ideas how I would mount it in order to dress my wheel parallel?
>>
>> Thanks.
>>
>> Best regards,
>> Dave Colliver.http://www.AshfieldFOCUS.com
>> ~~http://www.FOCUSPortals.com- Local franchises available
>
>If its a dremel clone, which from the piture it looks like then a
>couple of big hose clamps
>round the body securing a bar which can be clamped in the toolpost
>would do it
>As for dressing a wheel magnetic stand on lathe ways with dresser
>clamper to post, move
>carriage back and forward, use cross slide to alter DOC?
>
>Dave

Some "Milliput" or something similar can be moulded onto your grinder
body to hold the bar steadier. Some clingfilm will stop it sticking.
All clamped as above.

--

Richard

Email address is valid but remove burrs before sending!

Posted by David on May 15, 2008, 2:25 pm
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It is like a dremel, but much bigger. (I used to have a smaller one, but it
somehow disappeared. It did have flats on that one that I could have clamped
to).

Good idea re the hose clamps. Never thought of that. I was thinking of
somehow making like a bridge type of clamp, but I think that would have been
unstable. Hose clamps sounds like a much better idea and quicker to
implement as well.

Also, good idea re the mag mounting of the diamond dresser.

Best regards,
Dave Colliver.
http://www.AshfieldFOCUS.com
~~
http://www.FOCUSPortals.com - Local franchises available


>> Hi all,
>>
>> Towards the bottom of this
>> pagehttp://homemetalshopclub.org/news/aug04/aug04.htmlis an article on
>> grinding
>> chuch jaws. The method seems to make some sort of sense.
>>
>> I have a Toledo TCT 15 Combimachine grinder (struggling to find any
>> decent
>> images, but look
>> herehttp://www.wowowo.co.uk/top_products/5292/5292-30.htm
>> about a 1/3rd way down).
>>
>> I need to somehow mount the grinder to my lathe in order to grind the
>> jaws.
>> My lathe is a boxford cud (4.5" center height). If I were to stick the
>> grinder direct onto my compound slide (replace the toolpost), it will be
>> about center height, but as the case is plastic and no flats on it, I am
>> not
>> sure how I would mount it.
>>
>> Looking for ideas (or if anyone has done something similar, perhaps some
>> photos).
>>
>> On another note, when I can get it mounted, no doubt I could do
>> cylindrical
>> grinding... (I used to be a trained grinder before I joined the
>> airforce). I
>> would prefer to dress the wheel prior to grinding. I have a diamond
>> dresser,
>> any ideas how I would mount it in order to dress my wheel parallel?
>>
>> Thanks.
>>
>> Best regards,
>> Dave Colliver.http://www.AshfieldFOCUS.com
>> ~~http://www.FOCUSPortals.com- Local franchises available
>
> If its a dremel clone, which from the piture it looks like then a
> couple of big hose clamps
> round the body securing a bar which can be clamped in the toolpost
> would do it
> As for dressing a wheel magnetic stand on lathe ways with dresser
> clamper to post, move
> carriage back and forward, use cross slide to alter DOC?
>
> Dave



Posted by Charles Lamont on May 15, 2008, 4:43 pm
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David wrote:
>
> I have a Toledo TCT 15 Combimachine grinder (struggling to find any decent
> images, but look here http://www.wowowo.co.uk/top_products/5292/5292-30.htm
> about a 1/3rd way down).
>
> I need to somehow mount the grinder to my lathe in order to grind the jaws.
> My lathe is a boxford cud (4.5" center height). If I were to stick the
> grinder direct onto my compound slide (replace the toolpost), it will be
> about center height, but as the case is plastic and no flats on it, I am not
> sure how I would mount it.

Here is my die-grinder toolholder, which I made initially for the
purpose of de-bellmouthing some chuck jaws, its prolly a bit OTT, as is
my usual way. Light alloy was what I had to hand at the time:

http://www.gateho.nildram.co.uk/images/iqc_grinder_holder.jpg

Incidentally, the chuck is a lot better for it.
--
Charles Lamont

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