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Machining cork!

Machining cork!

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Maurice04/03/2019 19:48:55
450 forum posts
50 photos

Can anybody tell me how to make a cork, into a smaller cork please? I have tried (with little expectation of success) turning with various shapes of tool; and assorted abrasives . All I got was a lot of cork dust and less corks! Some time back I made a working model Archimedes screw, with two wooden tanks (see album ). The upper tank has a drain made from 3/8" copper pipe, but I have nothing to plug it with, that doesn't leak, other than a piece of Plasticine. Not elegant. I'm sure I have seen corks this small but I have so far not found one. Any ideas please?

Regards Maurice

Rockingdodge04/03/2019 19:59:45
142 forum posts
29 photos

Turn one out of balsa wood?

John Pace04/03/2019 20:07:13
157 forum posts
156 photos

Hi Maurice,

I you have ever used some silicone sealant the tapered nozzle that is on the tube always has some left over sealant inside that sets inside , pull it out and you have a tapered plug of silicone ,cut it as required to form a suitable silicone cork.


DMB04/03/2019 20:07:33
950 forum posts

Cant help with making corks to size,but if and when you succeed, a light smear of vaseline will waterproof the cork.

mechman4804/03/2019 20:08:00
2531 forum posts
379 photos

Freeze it... ?

Nick Hughes04/03/2019 20:08:04
210 forum posts
131 photos

Have a look here

Tapered Cork Stoppers

(Also lists Silicone and Neoprene rubber versions)


Edited By Nick Hughes on 04/03/2019 20:14:00

Bizibilder04/03/2019 20:38:19
63 forum posts
7 photos

Have a look online at methods of shaping cork fishing rod handles - lots of advice and videos etc.

Maurice04/03/2019 21:36:59
450 forum posts
50 photos

Thanks gents. Moulding in silicon sounds good to me. I,ll give it a try.


dcosta04/03/2019 23:54:51
466 forum posts
204 photos

Hi Maurice,

Please see thread **HERE** .Seventh post.

Dias Costa

Alan Charleston05/03/2019 05:02:07
76 forum posts
19 photos

Hi Maurice,

Moulding a silicone bung sounds a good idea. If that doesn't work try a scientific supply company. Rubber bungs are made from a small end diameter of a millimeter or so to huge (>100mm).



Speedy Builder505/03/2019 06:38:42
1865 forum posts
130 photos

High speed and sandpaper, if required, glue sandpaper to a flat block of wood.

Neil Lickfold05/03/2019 06:45:17
580 forum posts
102 photos

Grind it. With a dremel and sanding drums works really well. The use a vacuum cleaner to keep the dust to a minimum.

Maurice05/03/2019 07:54:10
450 forum posts
50 photos

Thank you for all your help. I think I will try bringing it down to size and tapered using a Dremel and finishing it with the sandpaper glued to wood idea; I'll tell you how I get on. May take a week or so. Other stuff to do!

Regards Maurice

Martin Kyte05/03/2019 08:55:46
1541 forum posts
24 photos

Razer blada mounted vertically. Feed slowly and run the lathe fast. Essentially you take small slices from the face of the cork to full depth required. Either Geo Thomas or more probably Tubal Cain described this eons ago. Works on rubber too.


JohnF05/03/2019 09:35:46
908 forum posts
114 photos

Maurice, have not read all the reply so apologies if I'm repeating but grinding is the way to go or abrasive paper, fishing rod handles are profited in this way, first by grinding a profile then fine finishing by hand with wet & dry paper. The cork shives are glued onto the blank and are quite large compared to the finished unit hence the grinding.

Regards John

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