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Cutting a circle in to a tube.

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Lee_D:
Whats the best way to cut a tube such that it mates neatly against another tube ready to be welded up into a T shape for example.

I'm toying with fabricating a wheel carrier as I have all the kit.... just not all the knowledge.. last time I fabbed something in tube it was lots of time spent with the grinder. Not well versed (yet) with tube fabrications. :?

Lee

Stormin:
You've just about said it. :D  Depending in the size of tube, it's gas axe, grinder and/or file.

LOFTY:
A quick on site method we use is,
from centreline of tube, cut back towards length at about 30 degrees, both sides of centreline,
this will leave  the end pointed, which fits over your your other tube, making a tidy joint.
Or for £200,000 approx, Mazak machinery do a lovely CNC laser tube cutting machine called a Fabri-gear, makes joints in box, tube, rsj a piece of cake.
 :wink:

Manicminer:
A quick method if you only want to weld a 'T' shape is to put the open end in a vice and squeeze it until it's nearly shut. This will give you a nice straight edge to weld.
If you want to make a join where fluid travels through then you have to cut it.

Bush Tucker Man:
Are varieties of Hole-Saw available for steel, perhaps with an extended drill-bit for work at angles???

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