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Old 04-10-2018, 12:50 PM
Taylor Kurrle Taylor Kurrle is offline
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Hot shop stringer pulling apparatus

Does anyone have an image or design for a device to pull large quantities of stringer in the hot shop? I have seen images of said devices but cannot remember or source the literature or web site.

Thanks.
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Old 04-10-2018, 02:02 PM
Eben Horton Eben Horton is offline
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Toots zynski has a set up for this. I donít have any pics
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Old 04-10-2018, 02:05 PM
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Pete VanderLaan Pete VanderLaan is offline
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we made a really large wheel and cranked it around. It worked better than just running into the wall but it wasn't great. Northstar as I understand it has a series of pulleys that apparently work well. Timing is everything.
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Old 04-10-2018, 05:05 PM
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Sky Campbell Sky Campbell is offline
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I would think a large square wheel unless you want curved cane.
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Old 04-10-2018, 06:55 PM
Eben Horton Eben Horton is offline
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Quote:
Originally Posted by Sky Campbell View Post
I would think a large square wheel unless you want curved cane.
A benson burner, two slow rotating wheels to grab the thread and pull and a chopper that chops every 30 seconds and a hopper underneath to catch the threads.
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Old 04-10-2018, 07:25 PM
Jordan Kube Jordan Kube is offline
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Quote:
Originally Posted by Sky Campbell View Post
I would think a large square wheel unless you want curved cane.
It's cold by the time it hits the wheel. Square wheel would break everything. Do it too hot and it gets deformed.
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Old 04-10-2018, 07:30 PM
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Pete VanderLaan Pete VanderLaan is offline
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well, make the square sides the size you want the stringer. do it hot
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Old 04-10-2018, 07:51 PM
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Rich Samuel Rich Samuel is offline
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Something similar to an adjustable yarn skeiner should work. Easy to motorize, too.

https://www.google.com/search?q=yarn...w=1024&bih=483
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Old 04-10-2018, 07:58 PM
Sam Stang Sam Stang is offline
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John Chiles made one for my wife, Kaeko almost 20 years ago. It uses the concept of chucking up a color bar in a lathe and uses a oxy/pro torch to melt the tip and rollers to pull a continuous thread. The operator has to control the torch, start the thread with tweezers and advance the color bar. John used side cutting pliers with a solenoid to cut 2 foot (or whatever you want) lengths and the threads drop into a pvc 1/2 round trough.
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Old 04-10-2018, 09:50 PM
Cecil McKenzie Cecil McKenzie is offline
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For what it is worth . A picture of a device I made many years ago. i heated up the bolt in the middle so that I could attach a hot bit then turned the device on a threading machine and made threads that were about 8 inches long with a little radius on the end. it worked fairly well but there was a problem. As the glass cooled it would shrink enough to break and the little threads would start flying through the air or falling on the floor. i thought that making the armature have a little flex would help, This is about the size of a blowpipe.
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File Type: jpg IMG_3020.jpg (17.7 KB, 52 views)
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Old 04-11-2018, 12:08 AM
Michael Ahlefeldt-Laurvig Michael Ahlefeldt-Laurvig is offline
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Ive made thin stringers with a bike. Take one junk bicycle, turn it upside down on the floor and cut off back tire. Cut an angled notch in the rim to accept the plier pinched tip of a hot color rod. Crank the pedals! You have to cool the glass violently with air before it spools on to the rim if you dont want it breaking when it shrinks as it cools.
Its best to be two people and the glass is spooled onto the rim from behind so you have to cut part of the brake or something or tack the gear to be able to crank it backwards.

If you want to go overboard in class then make a tiny little electric furnace with a hole in the bottom and a hole in the tiny crucible and mount it15 ft up in the air and and let gravity and temperature pull your stringers - perfect control of diameter of stringers with aperture diameter and temp variations. Thats one way that halogen bulbs and florescent lighting tubes are made
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Old 04-11-2018, 08:14 AM
Art Freas Art Freas is offline
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fusers use a raised kiln with a hole in the bottom with a mold with a hole in it above the hole in the kiln. Look up vitragraph. once it starts to drip out the hole they grab it with tweezers and pull away. https://www.bing.com/videos/search?q...5037&FORM=VIRE

Last edited by Art Freas; 04-11-2018 at 08:16 AM.
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Old 04-11-2018, 03:14 PM
Charles Friedman Charles Friedman is offline
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cane pulling machine

Here is one I made.
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File Type: jpg cane pulling machine 2.jpg (48.9 KB, 67 views)
File Type: jpg cane pulling machine 3.jpg (41.5 KB, 67 views)
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Old 04-12-2018, 12:18 AM
Allan Gott Allan Gott is offline
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a looooong parking lot right outside the shop, running shoes, impeccable traffic control
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