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Posted by Joel Mayes on May 10, 2008, 1:34 am
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Hi All;
I'm trying to identify the taper on a drill press I've recently aquired.
The top of the taper is ~17.1mm and the bottom is ~15.8mm just like JT6
but the overall length of the taper is only 23mm so it 'aint.
Does any one know what this coule be?
Thanks
Joel
--
Human Powered Cycles | High quality servicing and repairs
joel@humanpowered.com.au | Affordable second hand bikes
(03) 9029 6504 | Bicycle reuse centre
www.humanpowered.com.au | Mechanical and on-road training and instruction
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Posted by Leon Fisk on May 10, 2008, 2:25 pm
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wrote:
>Hi All;
>
>I'm trying to identify the taper on a drill press I've recently aquired.
>The top of the taper is ~17.1mm and the bottom is ~15.8mm just like JT6
>but the overall length of the taper is only 23mm so it 'aint.
>
>Does any one know what this coule be?
>
>Thanks
>
>Joel
See if this publication has the info (~1.8mb):
http://www.jacobschuck.com/pdf/Technical-Information.pdf
It lists the specs for Jacobs tapers and a few others.
Jacobs made an oddball "2 short" that some import drill
presses use, but your dimensions don't seem right for that
one (shrug).
--
Leon Fisk
Grand Rapids MI/Zone 5b
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Posted by Joel Mayes on May 11, 2008, 12:10 am
Please log in for more thread options > wrote:
>
>>Hi All;
>>
>>I'm trying to identify the taper on a drill press I've recently aquired.
>>The top of the taper is ~17.1mm and the bottom is ~15.8mm just like JT6
>>but the overall length of the taper is only 23mm so it 'aint.
>>
>>Does any one know what this could be?
>>
>>Thanks
>>
>>Joel
>
> See if this publication has the info (~1.8mb):
>
<SNIP>
Hi Leon;
Thanks for the reply, however I've checked against all the standard
machine tapers I could find, including the Jacobs list from that site
with no luck :-(
I'm starting to come to the conclusion that it is a non-standard
attachment.
Thanks again
Joel
--
Human Powered Cycles | High quality servicing and repairs
joel@humanpowered.com.au | Affordable second hand bikes
(03) 9029 6504 | Bicycle reuse centre
www.humanpowered.com.au | Mechanical and on-road training and instruction
|
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Posted by Leon Fisk on May 12, 2008, 1:42 pm
Please log in for more thread options wrote:
<SNIP>
>Thanks for the reply, however I've checked against all the standard
>machine tapers I could find, including the Jacobs list from that site
>with no luck :-(
>
>I'm starting to come to the conclusion that it is a non-standard
>attachment.
Dumb question/thought... but have you verified that the
female taper in the drill press actually matches the chucks
taper well? Maybe somebody just jammed the wrong or a
modified taper into it and it worked good enough for them
(shrug).
--
Leon Fisk
Grand Rapids MI/Zone 5b
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Posted by on May 11, 2008, 12:55 am
Please log in for more thread options > Hi All;
>
> I'm trying to identify the taper on a drill press I've recently aquired.
> The top of the taper is ~17.1mm and the bottom is ~15.8mm just like JT6
> but the overall length of the taper is only 23mm so it 'aint.
>
> Does any one know what this coule be?
>
> Thanks
>
> Joel
>
> --
Lots of taper standards out there, not a lot of them currently in use,
though. If it's an Asian drill press, there were some imported that
had a lesser-used taper, was discussed in.r.c.m. years back. Chucks
with that taper were available back then from a few suppliers, were
expensive though. If you got a good deal on the thing, you know why
now.
Stan
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>
>I'm trying to identify the taper on a drill press I've recently aquired.
>The top of the taper is ~17.1mm and the bottom is ~15.8mm just like JT6
>but the overall length of the taper is only 23mm so it 'aint.
>
>Does any one know what this coule be?
>
>Thanks
>
>Joel