Citizen Cincom M32-VII

The Citizen Cincom M32-VII is the middle variant of Citizen's current M32 series, a 32 mm Swiss-type (sliding-headstock) lathe with a gang tool post, a 10-station turret and a back tool post that carries up to 9 drills on its own Y3 axis. The headstock takes 32 mm dia. bar, 38 mm dia. as an option, and moves 320 mm per chucking. Main and back spindles share the same ceiling of 8,000 rpm and a 5.5/7.5 kW motor each.

What the VII buys over the Cincom M32-V is back-end capacity. The M32-V carries 5 back tool post drills and has no Y3 row in its table; the VII carries max. 9 and moves Y3 at 32 m/min. That matters on parts where the cut-off face needs off-centre holes or several features, because the back spindle can work through them while the main spindle is already turning the next part. Citizen gives the tool count as 23 to 31 +α, a wider spread than the 25 to 27 +α of the Cincom M32-V.

Tool sizes are identical across the three variants. Turning tools are 16 mm Sq. and the sleeve holders 25.4 mm dia. Turret rotary positions drill to 12 mm dia. and tap M12 at max. 6,000 rpm (2.2 kW). Gang rotary tools reach max. 9,000 rpm with 8 mm dia. and M8 limits, also 2.2 kW. The back rotary tools are the weak point: 8 mm dia. drilling, M6 tapping and 6,000 rpm on 1.0 kW. Heavy threads on the back end therefore stay within the back spindle's stationary figures of 12 mm dia. and M12.

No B-axis is listed for the VII; that is the step to the M32-VIII. Finished parts up to 145 mm come off through the standard recovery unit. The machine weighs 4,300 kg, needs 24 kVA (13.1 kVA average under load), 79 A full-load current, a 100 A main breaker and air at 0.5 MPa and 110 NL/min.