Any good jokes ... ?

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Alex H

Legendary Member
Location
Alnwick
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Poacher

Gravitationally challenged member
Location
Nottingham
They say the old ones are best, so:

Dico, dico, dico, meum canem non proboscis habet.
Non proboscis? Quomodo olet?
Horribile!
 

Alex321

Guru
Location
South Wales
There is a serious point there. Taper fittings which rely only on friction are extensively used for holding machine tooling. First time I came across it was on a big electric kango drill we were using to drill quite deep 1" diameter holes in rock, the drill bit was just held in by a tapered socket with nothing like a chuck or anything

https://en.wikipedia.org/wiki/Machine_taper

The same is true with lathes - you have drive centres and tailstock 'live' centres which are just held by tapers. They need knocking out from the back to get them out (actually on my tailstock it auto-ejects when you wind it in far enough).
 

dicko

Guru
Location
Derbyshire
The same is true with lathes - you have drive centres and tailstock 'live' centres which are just held by tapers. They need knocking out from the back to get them out (actually on my tailstock it auto-ejects when you wind it in far enough).

Twelve years a tool room centre lath turner and the Morse Taper shanks never gave me a problem.
 
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