peterh5322
Diamond
- Joined
- Dec 15, 2002
- Location
- Monterey Bay, California
Here ...
https://www.practicalmachinist.com/vb/general-archive/home-made-5c-chuck-done-86161/#post160998
... is J King's shopmade Sjogren, made using "found" materials, the planetary gear system from an automatic transmission, no less.
Perhaps this should be called an Auto Magic collet chuck?
But then we would have to 5AM collets to go with it :-) .
Just about the only thing lacking in this very, very nice implementation is an external 2-3/16"-10 or, optionally, an external 4º taper, for use with Hardinge's step collet system.
See Russ' sticky ...
Step collet chuck
... for an example of a shopmade step collet chuck.
https://www.practicalmachinist.com/vb/general-archive/home-made-5c-chuck-done-86161/#post160998
... is J King's shopmade Sjogren, made using "found" materials, the planetary gear system from an automatic transmission, no less.
Perhaps this should be called an Auto Magic collet chuck?
But then we would have to 5AM collets to go with it :-) .
Just about the only thing lacking in this very, very nice implementation is an external 2-3/16"-10 or, optionally, an external 4º taper, for use with Hardinge's step collet system.
See Russ' sticky ...
Step collet chuck
... for an example of a shopmade step collet chuck.
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