Power chuck NV15

3-jawpower-operatedclosed-center

Product overview
The Kitagawa NV15 is a 381 mm three‑jaw vertical power chuck with a closed centre, specifically designed for vertical turning lathes (VTL). The NV series features reinforced sealing around the base jaw to limit swarf ingress and ensure reliable operation in heavy machining environments.

Main features

• Jaw Stroke (diameter): 16 mm
• Plunger Stroke: 35 mm
• Gripping range: 381 mm (max), 72 mm (min)
• Max. Draw Bar Pull Force: 82 kN
• Max. Gripping Force: 247 kN
• Max Speed: 2900 rpm
• Weight (with soft jaws): 133 kg
• Moment of inertia: 2.580 kg·m2
• Matching cylinder: Y2035R
• Max pressure: 3.2 MPa
• Matching Hard Top Jaw: HB15N1
• Matching Soft Top Jaw: SB15N1
• Spindle Nose: A2-15 (adaptor mount fitted)
• Sealing: fitted with wiper seals to limit swarf ingress

Technical specifications

• Model: NV15
• Type: 381 mm three‑jaw vertical power chuck, closed centre
• Grip range: 72 mm (min) to 381 mm (max)
• Jaw Stroke (diameter): 16 mm
• Plunger Stroke: 35 mm
• Maximum Gripping Force: 247 kN
• Maximum Draw Bar Pull Force: 82 kN
• Maximum Speed: 2900 rpm
• Weight (with soft jaws): 133 kg
• Moment of inertia: 2.580 kg·m2
• Matching Cylinder: Y2035R
• Maximum Operating Pressure: 3.2 MPa
• Matching Hard Top Jaw: HB15N1
• Matching Soft Top Jaw: SB15N1
• Spindle Nose / Adaptor: A2-15 adaptor mount fitted

Applications and compatibility
Designed as the standard closed‑centre chuck for vertical lathes, the NV15 is suited to medium‑to‑large workpieces in automotive, aerospace and general heavy machining. Compatible accessories include cylinders Y2035R and top jaws HB15N1 / SB15N1. A2‑15 adaptor mount is fitted and wiper seals reduce swarf ingress for easier maintenance.