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CNC Expert
Live Tailstock MT3 to spindle nose adapter
Hi

Just something I have made with my lathe.

At one end is a No.3 Morse Taper that fits into the tailstock.
At the other end is the same thread used on the headstock spindle.
In the middle are two Timken taper roller bearings.

The bearings are protected by seals to prevent any contamination getting in.

With this adapter I can mount 3/4 jaw or ER32 collet chucks on the tailstock to hold pipes, centreless bar or odd shaped work.

I found I was able to get within 0.0002 inch of target diameters. Such accuracy was necessary to get proper bearing fits.
Attachments:
The components that make up the adapter excluding the bearings.
The components that make up the adapter excluding the bearings.
finished adapter 3.jpg (33.34 KiB) Viewed 20695 times
The black band in the centre is a lip seal protected from damage by a small flange.
The black band in the centre is a lip seal protected from damage by a small flange.
finished adapter 2.jpg (28.69 KiB) Viewed 20695 times
The completed live MT3 spindle adapter
The completed live MT3 spindle adapter
finished adapter 1.jpg (29.35 KiB) Viewed 20695 times
Regards

Dazz

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