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7th July 2012, 04:09 AM #16
I just use a machinist V block. You can often find these cheap from China. I got mine when the set at work got rusty and they were throwing them away.
Before this I used a corner jig made from scrap wood, I can't find the picture yet.
Regarding your original concern about the blank cracking, I find this happens often when the drill size is large compared to the blank size. Cut the blanks a 1/4" longer and set the drill depth to stop 1/8" before the bottom of the blank. Trim the bottom end with the Bandsaw and you have opened up the hole with no fear of cracking. I do this all the time on burls, olivewood and all fountain pen blanks.Brad, HardingPens.ca
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7th July 2012, 01:31 PM #17SENIOR MEMBER
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Cheers for the replies however is someone able to point me in the direction of drilling on the lathe.
I have a Carbatec 1100 lathe and I have vouchers to use there so what Scroll Chuck and what Jacobs chuck could you recommend I get from Carbatec.
Thanks heaps
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7th July 2012, 01:44 PM #18
OK, these are what I have and they are sold by Carbatec
Scroll Chuck
Teknatool® G3 Key Operated Chuck : CARBA-TEC
Pin Jaws
Teknatool® Pin Jaw Set : CARBA-TEC
Jacobs Chuck
http://www.carbatec.com.au/keyless-c...e-taper_c14390
The pictures I linked to in an earlier post here show these items on my previous lathe, an MC900, so very similar to yours.
I have to say if I was starting over I would go for the Vicmarc VM100 chuck with their pin jaws, they may cost a bit more but they are worth that bit extra.
But if you have vouchers for Carbatec, the Nova will do the job quite nicely.
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7th July 2012, 01:58 PM #19
Have a look at this.
Pen Blank Drilling Chucks at Penn State Industries
Davidgiveitagoturning @hotmail.com
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7th July 2012, 02:03 PM #20
Sold locally by McJing
McJING Online Tools Products Search
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7th July 2012, 02:08 PM #21
That's good to see save on postage.
Davidgiveitagoturning @hotmail.com
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7th July 2012, 02:17 PM #22SENIOR MEMBER
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Cheers guys but wow, SWMBO will never let me spend that much considering how much I have spent already (
I would not be very popular at all
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7th July 2012, 03:56 PM #23
Re: Pen holding Jig for drilling blanks
Tell her to cost of it will pay for itself when you make pens for her friends. Carroll's has an economy version with 3 or 4 jaw sets Arry. Use your Carb ate voucher on pen kits )
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8th July 2012, 10:33 AM #24
Arry
McJing Tools also have them. Her is the link. McJING Tools Online
I bought one a few weeks ago and it is much better and easier than the drill press. They also have the chucks you need for the tailstock. When I bought the chuck I went for the biggest so I could put a 14.5mm drill bit in it. A lot won't take that size drill bit and are limited to 13 - 13.5 I think.
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8th July 2012, 12:31 PM #25
I tried jigs and stuff, for me I found the best and cheapest way was to mount the blank in the chuck in the lathe and mount a Jacobs chuck into the tail stock and bore it out, centre the blank and line bore it use a smaller drill to pilot bore the hole and finish up with the right sized drill bit, since doing this I have had no blow outs and every hole has been straight on centre.
You don't need fancy chucks just use your four jaw chuck and cut your blanks square.Two things are infinite: the universe and human stupidity; and I´m not so sure about the universe.
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8th July 2012, 01:07 PM #26SENIOR MEMBER
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Arry,
I'm not sure I would use Carbatec vouchers for pen kits given the limited range they offer. They are plenty of local sellers that stock or list a better range at better pricing. Better to pay with vouchers for garden variety odd and sods consumables like polishes, CA and abrasives even if the price might be higher at Ctec than other sources.
If you are only buying the chuck and pin jaws for drilling blanks and you don't plan to do a huge number in the short term, I personally think you should practice technique with a drill press and save your bikkies. There are numerous threads that discuss blank drilling and avoiding blank blowouts when drilling. If you don't have one already, drill press vices are cheap. (A good chuck esp. in combination with various jaw types opens up a myriad of turning options though.)
There are sellers that offer economy options for chucks and jaws, just don't go too cheap or upgrade time will roll around too fast.
d.
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8th July 2012, 02:44 PM #27Novice
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I made my own jig for drilling blanks out of 3 scrape pieces of wood and 2 G clamps it keeps the blanks square and supports the end of the blank and best of all very cheap.
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8th July 2012, 04:58 PM #28SENIOR MEMBER
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Cheers guys
Dave, how is it secured to the drill press?
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8th July 2012, 05:46 PM #29Novice
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Arry There is normally no need to secure it to the drill press, one the occusion when I have had to I just used a large G clamp. ( It would be just as easy to drill a hole in the jig and bolt it to the drill press bed)
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8th July 2012, 06:07 PM #30
The Blowouts.
Hi Arry,
I may have missed one of the Posts/ Threads, but to my way of thinking, you are not taking the Drill Bit in & out enough times.
An 11+ mm. Drill is fairly big, & I would think you would have to retrieve that Bit at least 9 / 10 times, in say a 2 1/2in. / 65mm. blank & you would not need to much Speed.
Well that is the way I think I would do it.
That's my 2 sence worth.Regards,
issatree.
Have Lathe, Wood Travel.
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