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cornucopia
14th April 2009, 01:40 AM
when i first learnt how to chase threads by watching Allan battys video a few years ago my dad saw a picture of a nut and bolt which Allan had made. ever since then he has pesterd me to make one, so here it is.
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5137.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5136.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5121.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5115.jpg
the bolt is 3" long by 2 1/4" wide it has a hand chased 18tpi thread.

Dalboy
14th April 2009, 03:30 AM
Nice one Cornucopia that's something I would like to learn to do cutting threads in wood. I suppose you need to have the correct wood for this

arose62
14th April 2009, 08:16 AM
You're NUTs! :)

Sawdust Maker
14th April 2009, 11:22 AM
Super nice work :2tsup:

when I read the thread name thought it might have been one of those stories about coming across a nut and bolt within a blank:doh:

rotten_66
14th April 2009, 11:56 AM
Super nice work :2tsup:

when I read the thread name thought it might have been one of those stories about coming across a nut and bolt within a blank:doh:
Me as well, one of those saw/thicknesser horror stories that has resulted in much damage, blood and tears.

dai sensei
14th April 2009, 06:59 PM
Well done, that thread looks flawless :2tsup:

What speed did you chase at?

thefixer
14th April 2009, 07:45 PM
Nice thread you started here:D
Looks much better than ones I make with the chinawese wood tap and die set.

Cheers
Shorty

powderpost
14th April 2009, 09:11 PM
Excellent work. What speed was the thread cut at?
Jim

artme
14th April 2009, 09:11 PM
Very nice Cornucopia.:2tsup::2tsup::2tsup:

Must learn to do that!

Ruddy
14th April 2009, 09:16 PM
Impressive.....very impressive indeed

Ruddy

terry arnold
14th April 2009, 10:00 PM
Extremely well done I love it



Cheers Terry

cornucopia
15th April 2009, 02:08 AM
thank you for all of your kind comments

I chase all of my threads at 250 rpm

would you like me to post a breif step by step of it being done?

marter1229
15th April 2009, 03:07 AM
Yes!

cornucopia
15th April 2009, 04:19 AM
first of I mounted the wood between centres in dave's centre holes (a huge help thank you)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5068.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5068.jpg)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5069.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5069.jpg)
here is my rough marking out of proportions
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5070.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5070.jpg)
here you can see the results of me hand sanding the blank- i used a wooden block, i started at 120 and went through to 600 by which point the boxwood was like glass.
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5072.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5072.jpg)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5073.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5073.jpg)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5075.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5075.jpg)
here i have made the basic cuts defining the nut and bolt shape
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5077.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5077.jpg)
here is the pith- will it cause me a problem? at this stage i don't know-but i was thinking thats a long length of male thread to chase :-k
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5079.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5079.jpg)
bolt head definition
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5081.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5081.jpg)
a slight hiccup here a si needed to make a dovetail spigot to fit my o donnel jaws but i hadn't allot of room- so i found a old parting tool which i got free with my first clarke lathe and ground a skew on the end of it- it worked perfectly.
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5084.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5084.jpg)
the two blanks parted of and ready to go
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5085.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5085.jpg)
I

cornucopia
15th April 2009, 04:20 AM
I tend to always do the female thread first- here it is mounted in my chuck jaws ready to go
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5087.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5087.jpg)
i cut all the way through with a spindle gouge- at this point i was thinking thats a long female thread to chase will i be able to do it?
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5089.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5089.jpg)
with the lathe at about 250rpm (this is the only time i ever care about what speed i am turning at- as it is vital with thread chasing) i have done the hardest part and started the female thread successfully- no double start etc
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5091.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5091.jpg)
a few seconds later and a few more threads added
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5092.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5092.jpg)
and here is the threads to full depth all the way through the nut- it started to get a bit difficult towards the back to get the thread smooth but this doesn't matter as it will be cut away later when its reversed.
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5095.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5095.jpg)
out with the nut in with the bolt
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5097.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5097.jpg)
the start of the male thread
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5098.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5098.jpg)
a bit more- by now the chaser is feeding itself in all you have to do is guide it.
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5099.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5099.jpg)
here it is complete- the nut fits but isn't screwing all the way on because of that ragged bit at the back, so i take a risk and take the bolt out of the jaws to sort out the nut- note to self if i ever make another one remember to do this earlier :roll:
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5100.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5100.jpg)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5101.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5101.jpg)
heres a blurry pic of the nut threaded onto a waste block of african blackwood, so that i can clean up the back side
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5103.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5103.jpg)

cornucopia
15th April 2009, 04:22 AM
much to my relief with the nut cleaned up and a little more chasing on the bottom end of the male thread it screws on and of the entire length :D a great feeling.
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5104.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5104.jpg)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5105.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5105.jpg)
i reverse turned the bolt to remove the chuck marks by wrapping the thread with masking tape and gently holding it in the central part of my chuck jaws- it worked a treat :)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5109.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5109.jpg)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5111.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5111.jpg)
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5112.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5112.jpg)
the chasers
http://i690.photobucket.com/albums/vv262/a-cornucopia/th_DSCF5113.jpg (http://s690.photobucket.com/albums/vv262/a-cornucopia/DSCF5113.jpg)
for now i've treated it with lemon oil to protect it- i usually polish my threaded box's with the u-beaut system but I don't think this lighter coloured boxwood will look good shiny so i'll have to think about an alternative finish :-

there you go folks- i've had to post it in 3 sections due to a 12 image limit

new_guy90
15th April 2009, 09:24 AM
wow thats great :2tsup: now you have started it i can see everyone is now going to give this a try so you better show us what else you have made for um inspiration honest :p

great work its great to see :2tsup:

Patrick

dai sensei
15th April 2009, 08:02 PM
Well done and thanks for posting. I've never got that chasing part to work, but my lathe only goes down to 350rpm.

powderpost
15th April 2009, 10:03 PM
Thanks for the wip. I have played a bit with thread chasing with marginal success. Timber selection is very important. So far citrus fruit wood has been the most successful.
Jim

boysie39
18th April 2009, 10:32 AM
George, it looks every bit as good on here. Give them the full monty they will love your work on this forum. REgards Boysie.:2tsup::2tsup:

cornucopia
7th August 2009, 04:57 PM
for some reason my original wip pic's have gone so thanks to aussie for letting me know here they are again.
the edit button has dissapeared from the original post so i cant remove the missing images and replace them with these, so i've had to post them on a new reply- could a moderator delete these for me please.

here is how I did the nut and bolt box
first of I mounted the wood between centres in dave's centre holes (a huge help thank you)
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5068-1.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5069-1.jpg
here is my rough marking out of proportions
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5070-1.jpg
here you can see the results of me hand sanding the blank- i used a wooden block, i started at 120 and went through to 600 by which point the boxwood was like glass.
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5072-1.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5073-1.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5075-1.jpg
here i have made the basic cuts defining the nut and bolt shape
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5077-1.jpg
here is the pith- will it cause me a problem? at this stage i don't know-but i was thinking thats a long length of male thread to chase :-k
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5079-1.jpg
bolt head definition
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5081-1.jpg
a slight hiccup here a si needed to make a dovetail spigot to fit my o donnel jaws but i hadn't allot of room- so i found a old parting tool which i got free with my first clarke lathe and ground a skew on the end of it- it worked perfectly.
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5084-1.jpg
the two blanks parted of and ready to go
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5085-1.jpg

cornucopia
7th August 2009, 04:59 PM
I tend to always do the female thread first- here it is mounted in my chuck jaws ready to go
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5087-1.jpg
i cut all the way through with a spindle gouge- at this point i was thinking thats a long female thread to chase will i be able to do it?
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5089-1.jpg
with the lathe at about 250rpm (this is the only time i ever care about what speed i am turning at- as it is vital with thread chasing) i have done the hardest part and started the female thread successfully- no double start etc
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5091-1.jpg
a few seconds later and a few more threads added
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5092-1.jpg
and here is the threads to full depth all the way through the nut- it started to get a bit difficult towards the back to get the thread smooth but this doesn't matter as it will be cut away later when its reversed.
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5095-1.jpg
out with the nut in with the bolt
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5097-1.jpg
the start of the male thread
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5098-1.jpg
a bit more- by now the chaser is feeding itself in all you have to do is guide it.
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5099-1.jpg
here it is complete- the nut fits but isn't screwing all the way on because of that ragged bit at the back, so i take a risk and take the bolt out of the jaws to sort out the nut- note to self if i ever make another one remember to do this earlier :roll:
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5100-1.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5101-1.jpg
heres a blurry pic of the nut threaded onto a waste block of african blackwood, so that i can clean up the back side
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5103-1.jpg

cornucopia
7th August 2009, 05:00 PM
heres a blurry pic of the nut threaded onto a waste block of african blackwood, so that i can clean up the back side
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5103-1.jpg
much to my relief with the nut cleaned up and a little more chasing on the bottom end of the male thread it screws on and of the entire length :D a great feeling.
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5104-1.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5105-1.jpg
i reverse turned the bolt to remove the chuck marks by wrapping the thread with masking tape and gently holding it in the central part of my chuck jaws- it worked a treat :)
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5109-1.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5111-1.jpg
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5112-1.jpg
the chasers
http://i690.photobucket.com/albums/vv262/a-cornucopia/DSCF5113-1.jpg
for now i've treated it with lemon oil to protect it- i usually polish my threaded box's with the u-beaut system but I don't think this lighter coloured boxwood will look good shiny so i'll have to think about an alternative finish :-k
A big thankyou to DaveL for cutting the hexagonal blank on his router thing so accurately

Sawdust Maker
7th August 2009, 05:10 PM
Have you made your dad a wooden spanner for it yet :q
and thanks for the new pics

Ozkaban
7th August 2009, 05:37 PM
thanks for reposting. Cool WIP...

Cheers,
Dave

rsser
8th August 2009, 08:09 PM
Nice work.