Cone Forming

[T04GTR]

hey all. im abit stuck. i need to roll a cone 26" long. going from 1"-3" in diameter out of 1.6mm aluminuim,but most slip rollers ive seen have 40~mm diameter rollers? also what is the best way to approach this?

cheeres.

[StealthX]

try a bong instead, rolling joints is too much hassle...

[VB-]

LMAO beaten to it

[DC33VN]

lolll

[YLD-CHLD]

Make a wooden cone (mandrel)in a lathe, the size you want then cut the piece of sheet & form around the mandrel TIG the join up all done.

[Mohsen]

Make a wooden cone (mandrel)in a lathe, the size you want then cut the piece of sheet & form around the mandrel TIG the join up all done.

or you can use styrofoam

[T04GTR]

not sure you all know, but i dont have tarsan grip to bent 1.6 into a 1" circle. and the ends dont need to be perfect as there will be a 1cm gap the length of it.

[BOZ22N]

Use heat and the wooden mandrel ?????

[XRATED]

I have to ask... whats it for?

a ceramic mould and plug... then cast it?

machine it on a lathe from solid round stock?

machine up a steel ID size cone, screw one edge of the ally sheet to the length of the cone, then heat and fold/bash the plate around it until it overlaps, cut it along the overlap, fold flat and weld the seam, then cut the ends where required....

GL bud.

J.

[Cre8toR]

try a bong instead, rolling joints is too much hassle...

[Craved]

does it have to be a rolled cone dave or just needs to be conical?

you can use a press brake and do alot of folds to curve the sheet around to what you need

[T04GTR]

all good, i built it, used a 4x4 piece of hardwood and turned it down on the lathe. cut out ally sheet to taper cone shape, screwed it along the centre line onto the wooden cone, and with lots of bashing with a rubber mallet and finished off with hose clamps and more hammering, its all good with no dings.

[Craved]

haha sweet, must be nice to have a 1200mm lathe available

[XRATED]

Picks!!! I gotta see this.

[flamo_damo]

dude if you want one rolled up let me knoe thw sizes and ill make one for ya as im a sheetmetal worker ?