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Turn more accurate, consistent and concentric pen barrels with this one of a kind mandrel system. The Turn Between Centers mandrel rides on 2 centers rather than a typical rod Ð so more accurate, perfectly straight turning. There is no mandrel shaft to bend so youl will eliminate an out-of-round blank, producing a blank that mates precisely with your pen parts.
Video Instructions For the TBC Mandrel
Turn Between Centers Mandrel System - #2MT
Turn more accurate, consistent and concentric pen barrels with this one of a kind mandrel system. The Turn Between Centers mandrel rides on 2 centers rather than a typical rod Ð so more "dead on" turning. There is no mandrel shaft to bend so your turned barrel will eliminate an out of round blank, producing a blank that mates precisely with your pen parts. The system includes an MT headstock insert and live MT tailstock insert - each with 7mm pins (similar to a 7mm mandrel shaft). Mount your bushings onto the pins, mount your pen blank, then bring the tailstock forward to secure your blank between centers. Ideal for single tube pen styles. For #2 Morse Taper Lathes.
Exclusively, from ExoticBlanks, your mandrel set will include two nylon washers to eliminate the problem of the bushings sticking to the mandrel.
Turn Between Centers Mandrel Instruction Sheet
You can find the specifications on your lathe in the user manual. In the case of the powermatic 3520, I did a google search and found the manual, page 3 is the specifications: https://manualmachine.com/powermatic/3520b/631681-user-manual/#3 The headstock and tailstock are both #2 Morse Tapers. Ed