collets : to chuck or not to chuck

samedi 26 juillet 2014

OK ............ following advice given in another thread (flycutter caused chuck to jam tight on headstock) am investigating collets. (birthday soon)



This collett ER32 COLLET - IMPERIAL #F6300



has to be mounted in a collet chuck and then a drawbar is attached to the collet chuck to secure it - a metric or imperial set of collets is available from CTC for approx $75ish and a chuck for $20ish



This collett C136 | 3MT Collet | machineryhouse.com.au sits directly in the taper on the headstock and needs a drawbar to secure it



Could somebody please kindly give me some pointers as to why and in what circumstances one of these would be preferred over the other ?



Thanks



Bill




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