Grinding chuck jaws

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Subject Author Date
Grinding chuck jaws David 05-15-2008
Posted by David on May 15, 2008, 4:48 pm
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Yes, I was thinking I may have had to make something like that, but I
thought for all I am doing, it probably is a bit OTT. I just wanted
something quick (and efficient) just so that I can get on with building my
engine...

Perhaps when I eventually turn my lathe into a pseudo cylindrical grinder, I
will go to a bit more length for something like this. However, it may be
worth me getting an air grinder.

Thanks.

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


> 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



Posted by Peter Fairbrother on May 15, 2008, 8:39 pm
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David wrote:
> 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).

Is that the Ferm combi-tool thingy?

If so then the plastic bit next to the chuck unscrews, and you can mount
the tool in something vertical with (I think, but check) an 18 x 1.5 mm
threaded hole.

The 18 x 1.5 mm thread seems common to many such tools, including
Dremels and most dremeloids.


-- Peter Fairbrother

Posted by David on May 16, 2008, 2:53 am
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Hi Peter,

Yes, it is like that ferm combi tool. (Mine has Toledo tct15 on it, which is
what I wrote, but it looks like they are the same). Yes, I did notice the
nose has a thread on it (didn't know what it was... thanks for clarifying).
I would have thought though that just supporting on the nose wouldn't be
enough as there is all the weight of the body the other side.

However, if I combine that idea with Charles' idea when I come to make a
more permanent mounting for it, it could be a good method for location.

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


> David wrote:
>> 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).
>
> Is that the Ferm combi-tool thingy?
>
> If so then the plastic bit next to the chuck unscrews, and you can mount
> the tool in something vertical with (I think, but check) an 18 x 1.5 mm
> threaded hole.
>
> The 18 x 1.5 mm thread seems common to many such tools, including Dremels
> and most dremeloids.
>
>
> -- Peter Fairbrother



Posted by Peter Fairbrother on May 16, 2008, 12:31 pm
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David wrote:
> Hi Peter,
>
> Yes, it is like that ferm combi tool. (Mine has Toledo tct15 on it, which is
> what I wrote, but it looks like they are the same). Yes, I did notice the
> nose has a thread on it (didn't know what it was... thanks for clarifying).
> I would have thought though that just supporting on the nose wouldn't be
> enough as there is all the weight of the body the other side.
>
> However, if I combine that idea with Charles' idea when I come to make a
> more permanent mounting for it, it could be a good method for location.

The threaded nose is intended for mounting the drill in a vertical
stand, which it does quite well - but a horizontal mounting may well
need some extra support at the back end.

Also the m18 x 1.5 thread was originally chosen for a Dremel, which is
smaller and lighter.

-- Peter Fairbrother

Posted by David on May 16, 2008, 4:11 pm
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Ah, right. I wasn't aware of that... Makes sense. For a horizontal mount, it
would not have been suitable.

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


> David wrote:
>> Hi Peter,
>>
>> Yes, it is like that ferm combi tool. (Mine has Toledo tct15 on it, which
>> is what I wrote, but it looks like they are the same). Yes, I did notice
>> the nose has a thread on it (didn't know what it was... thanks for
>> clarifying). I would have thought though that just supporting on the nose
>> wouldn't be enough as there is all the weight of the body the other side.
>>
>> However, if I combine that idea with Charles' idea when I come to make a
>> more permanent mounting for it, it could be a good method for location.
>
> The threaded nose is intended for mounting the drill in a vertical stand,
> which it does quite well - but a horizontal mounting may well need some
> extra support at the back end.
>
> Also the m18 x 1.5 thread was originally chosen for a Dremel, which is
> smaller and lighter.
>
> -- Peter Fairbrother



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