Adjustable Boring bar

[Arcticfox46]

I am looking for an adjustable boring bar holder

Machine: Nakamura WT150
Max RPM = 6000

2 holes – one is brass -- one is bronze
Hole size: .1565+/-.0001
Roundness within .00015

Live tool
Cross hole
ER-32 collet holder

I am currently using a Criterion TMT-0750 boring bar holder in an ER collet.
Solid carbide boring bar.

I am having a difficult time adjusting size.

I need a super precision adjustable holder so that I can adjust within at least .0001 – preferably adjustable to within .00005

Thanks,
Leo Voisine
Manufacturing Engineer
Mahr Federal Inc.
Providence, R.I.
Leo.voisine@mahr.com
401-784-3370

[RICHARD ZASTROW]

Leo, Sounds like a jig grinder job or a jig grinder attachment to your ? machine.

Dick Z