Industrial CNC Machine Directory

Star SV-32J II

$320,000 - $480,000 Updated 2025-03-15
Star SV-32J II Swiss-Type Lathes
01

Key Specifications

Rapid Traverse

32 m/min

max bar capacity

32 mm (1.26 in)

max machining diameter

32 mm (1.26 in)

max machining length

320 mm (12.6 in)

main spindle speed

10,000 RPM

back spindle speed

10,000 RPM

02

Overview

The Star SV-32J II is the second-generation evolution of Star Micronics' high-performance SV-32J Swiss-type CNC automatic lathe, combining the SV series' premium performance with the SR-32J's proven architecture in an updated platform. The 'II' generation brings refined thermal management, enhanced structural rigidity, and updated control algorithms that deliver measurable improvements in precision and productivity over the original SV-32J.

The SV-32J II features a main spindle reaching 10,000 RPM and a back spindle at 10,000 RPM, with built-in motor designs optimized for the 32mm bar class. The matched spindle speeds ensure balanced high-speed capability for front and back operations, which is critical when cycle time optimization requires aggressive backworking at speeds matching front-spindle performance. With up to 10 axes including Y-axis capability and up to 33 tool positions, the SV-32J II provides comprehensive multi-tasking capability for the most demanding 32mm Swiss applications.

The second-generation improvements focus on the fundamentals that matter most in production: thermal stability for consistent precision during extended runs, structural rigidity for better surface finishes and longer tool life, and optimized Motion Control System algorithms for faster cycle times. These refinements don't add dramatic new features but deliver the incremental precision and productivity gains that compound into significant competitive advantage over production hours and months.

Star's hydraulic-free design carries through to the SV-32J II, providing vibration-free operation and eliminated hydraulic maintenance. The Fanuc 31i-B5 control with updated firmware provides faster processing and enhanced programming capabilities, and Star's programming environment simplifies multi-axis synchronized program creation. Guide bushing and non-guide bushing configurations are both supported.

03

Full Specifications

Parameter Value
Max Bar Capacity 32 mm (1.26 in)
Max Machining Diameter 32 mm (1.26 in)
Max Machining Length 320 mm (12.6 in)
Main Spindle Speed 10,000 RPM
Back Spindle Speed 10,000 RPM
Live Tool Speed 9,000 RPM
Number Of Axes Up to 10 (including Y1, Y2, C1, C2)
Tool Positions 33 (including live tools)
Y Axis Stroke ±18 mm
Guide Bushing Yes (guide bushing and NGB available)
CNC Control Fanuc 31i-B5
Rapid Traverse Rate 32 m/min
Machine Weight 3,100 kg (6,834 lb)
Power Consumption 13 kVA

Specifications sourced from starcnc.com — verified 2026-03-28

04

Strengths & Limitations

Strengths

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Limitations

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05

Best For

Shops upgrading from first-generation SV-32J machines that want improved precision without changing their programming and tooling approach Medical device manufacturers requiring enhanced thermal stability for tighter tolerance consistency on implant and instrument components Aerospace shops producing precision fittings and connectors where dimensional stability over long runs is critical High-volume 32mm Swiss production environments where incremental cycle time and precision improvements compound into significant competitive advantage Contract manufacturers seeking a premium 32mm Swiss platform with the latest Star engineering refinements
06

Frequently Asked Questions

01 What does a Star SV-32J II cost?

A new Star SV-32J II typically costs between $320,000 and $480,000 depending on configuration and options. The II generation commands a modest premium over the original SV-32J for the enhanced performance. Used first-generation SV-32J machines are available from $100,000-$250,000.

02 What improvements does the II generation bring?

The SV-32J II features improved thermal management for better dimensional stability, refined casting designs for enhanced vibration damping, updated MCS algorithms for optimized cycle times, and faster control processing. These refinements deliver measurable improvements in tolerance holding and surface finish quality.

03 How does the SV-32J II compare to the SV-32?

The SV-32 offers B-axis capability and slightly more tool positions (35 vs 33) in the highest-end configuration. The SV-32J II offers second-generation thermal and rigidity improvements not yet available on the SV-32. Choose the SV-32 for B-axis angular work, and the SV-32J II for maximum precision stability.

04 Is the SV-32J II compatible with first-gen tooling?

Yes. The SV-32J II maintains tooling compatibility with the first-generation SV-32J. Shops upgrading from the original model can transfer their existing tooling and toolholders, minimizing the transition investment and setup time.

05 What's the typical ROI timeline for upgrading from SV-32J to SV-32J II?

For shops running 2-3 shifts, the improved cycle times, reduced scrap from better thermal stability, and lower maintenance costs typically deliver ROI within 2-3 years. The calculation depends on part complexity, volume, and the value of the precision improvements to your specific applications.

07

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Community Discussions

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