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Lathe Indexing Attachment
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John Stevenson:
Double edged sword.
Myfords claim they are there to quieten the gear train down but the ML7 has steel gears.

The earlier ML7's, non gearbox model, have a two piece leadscrew with a brass shear pin so it acts as the 'fuse', later ones had a one piece leadscrew and steel gears so no fail safe.

If I owned a super 7 I'd replace the 20T and 30T tumbler gear with cast ones as they wear better and go to a two piece leadscrew with brass shear pin.

In the event of a crash like Rob has had it would only be a case of fitting a new pin and carry on with the job, no expense, no waiting and typical lack of Myford foresight to lose something they had.

John S.
krv3000:
HI brill worck can not wate till is all dun regards bob
Gerhard Olivier:
Rob nice work  Sorry about crash gears

Why did you make the threading tool holder like that?????  And is it steel or ali (would that matter)????

Gerhard
j45on:
Rob I am also interested in your threading tool holder
I've not seen one like that please tell us more  :bow:
John Stevenson:
I'll leave Rob 'smash it' Wilson to explain it but they were used years ago for finish work on shapers.

John S.
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