Quick change tooling

[egaParticipant @ega]

JAR QC tailstock toolholders:

I made some of these many years ago, use them all the time and wouldn't be without them. There are some photos in my Miscellaneous album. The Arrand design looks very good but, so far as I understand it, much more difficult to make. The JAR design involves dovetail slides and the turning of a morse taper. Lacking a mill, I did all the work on the Myford.

Tractor man: might you get your camera out and treat us to a video?

[mechman48Participant @mechman48]

I have difficulty getting my head around the pin concept​… I assume the pin is to stop rotation plus help in alignment; but how do you release the pin to change tooling… is it a spring loaded detent, or do you have it extended at the rear to 'pull' the pin out… not having a rear view I can only surmise ?

George.

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