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Model Forum / General / Models / June 2010Live centre
Going to buy a live centre for my lathe. Choice is between a fixed normal 60 degree tip, or a set of changeable ones. I haven't come across a use for anything other than a 60 degree tip so far, is there any compelling reason I would want the others? In article <4786d0fa-c392-4e94-bcd8-bc4ade2a036f@u7g2000yqm.googlegroups.com>, pcb1962 <pcb1962@googlemail.com> writes >Going to buy a live centre for my lathe. Choice is between a fixed >normal 60 degree tip, or a set of changeable ones. I haven't come >across a use for anything other than a 60 degree tip so far, is there >any compelling reason I would want the others? A large cone can be useful, for example if you need to support a length of tube, or something with a large concentric hole in the end. A female centre can be useful if you need to support something with a taper pointed end. Pretty rare in both cases, for most people, I would think. A very small centre can be useful where access is limited. A good compromise is a fixed live centre with a large conical end, will work on fairly large bores but is equally at home on normal centre holes. David  SignatureDavid Littlewood > In article > <4786d0fa-c392-4e94-bcd8-bc4ade2a036f@u7g2000yqm.googlegroups.com>, [quoted text clipped - 15 lines] > > David Half centres can be very handy for access AWEM On 16 June, 07:27, "Andrew Mawson" <andrew@no_spam_please_mawson.org.uk> wrote: > > In article > > <4786d0fa-c392-4e94-bcd8-bc4ade2a0...@u7g2000yqm.googlegroups.com>, [quoted text clipped - 24 lines] > > Half centres can be very handy for access Yes a half centre is useful, but only as a fixed centre, a 'live' half centre doesn't make any sense > Going to buy a live centre for my lathe. Choice is between a fixed > normal 60 degree tip, or a set of changeable ones. I haven't come > across a use for anything other than a 60 degree tip so far, is there > any compelling reason I would want the others? I assume from the lack of replies that nobody finds much use for the extra tips you get in a set so I'll just buy a plain fixed tip one. |
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