Star SR-32J

$200,000 - $320,000 Updated 2026-03-11

Key Specifications

Max Spindle

7,000 min-1

Spindle Power

5.5kw (continuous) / 7.5kw (30min./60%ED)

Max Turn Length

310mm (12-13/64in)

max bar capacity

32 mm (1.26 in)

max machining diameter

32 mm (1.26 in)

max machining length

320 mm (12.6 in)

Overview

The Star SR-32J is an 8-axis CNC Swiss-type automatic lathe built for production machining of parts up to 32mm (1.26 in) diameter—a capacity class that covers a significant portion of medical, aerospace, and automotive turned components. With a 7,000 RPM main spindle delivering 7.5 kW and a matching 7,000 RPM counter spindle at 3.7 kW, the SR-32J provides serious power for both front and back operations on materials ranging from free-machining brass to titanium and stainless steel. The 8-axis configuration enables simultaneous multi-path machining that keeps both spindles cutting while tools index and axes reposition.

Tooling capacity is one of the SR-32J's defining strengths. The machine accommodates tools across multiple stations: Guide Bush Holder 1 with 4 motorized positions running live tools at 5,000 RPM, Guide Bush Holder 2 with 6 positions, an end attachment with 4 positions, and a secondary operation station with 4 positions for backworking. This distributed tooling architecture allows complex parts with multiple OD features, cross-holes, flats, threads, and backworked features to be completed in a single cycle. The maximum machining length of 320mm per chucking provides ample capacity for longer shaft-type components.

Like its smaller sibling the SR-20J, the SR-32J benefits from Star's hydraulic-free design philosophy—eliminating hydraulic pumps, lines, and fluid management while reducing power consumption and maintenance overhead. The machine weighs 2,900 kg and occupies a footprint of 1,700 x 2,515 mm, which is compact for a 32mm-class Swiss machine. Available in both guide bushing and non-guide bushing (JN) configurations, the SR-32J gives shops the flexibility to optimize for part geometry and material utilization. The Fanuc control manages the 8-axis simultaneous operation with Star's proprietary programming environment for multi-path synchronization.

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	7,000 RPM
Main Spindle Power	7.5 kW (10 HP)
Counter Spindle Speed	7,000 RPM
Counter Spindle Power	3.7 kW (5 HP)
Number Of Axes	8
Live Tool Speed	5,000 RPM
Tool Positions	18 (4 live + 6 turning + 4 end + 4 back)
Guide Bushing	Yes (J) / Non-guide bushing (JN)
Machine Weight	3,100kg
Floor Space Required	1,700 x 2,515 mm
Total Installed Power	20 kW
CNC Control	Fanuc
Key People	Frank Schlesinger
Related Topics	brightness
Max Turning Diameter	ø32mm (1-1/4in)
Max Turning Length	310mm (12-13/64in)
Max Spindle Speed	7,000 min-1
Spindle Motor Power	5.5kw (continuous) / 7.5kw (30min./60%ED)
Turret Stations	6 tools
Tool Shank	16mm
Rapid Traverse X	24m/min
Rapid Traverse Y	24m/min
Rapid Traverse Z	24m/min
Coolant Capacity	174ℓ
Cnc Control	Fanuc 32i-B
Floor Space	2,711 x 1,275 x 1,705mm
Electrical	6.2KVA

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

Strengths & Limitations

Strengths

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Limitations

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Best For

Medical device manufacturers producing orthopedic screws, spinal implants, and surgical instruments in the 20-32mm range Aerospace suppliers machining precision fittings, connectors, and hydraulic components from stainless and titanium Automotive shops producing fuel injector components, sensor housings, and high-precision turned parts Contract manufacturers needing a versatile 32mm Swiss platform that handles diverse part mixes Shops stepping up from 20mm Swiss capacity that need larger bar diameter without moving to full-size turning centers

Frequently Asked Questions

01 What does a Star SR-32J cost?

A new Star SR-32J typically runs $200,000-$320,000 depending on configuration, tooling, and options. The guide bushing (J) and non-guide bushing (JN) models are priced comparably. Used SR-32J machines from 2008-2018 typically sell for $70,000-$150,000 depending on condition, hours, and tooling included. A bar feeder adds $15,000-$35,000 to the total investment.

02 What is the difference between the SR-32J and SR-32JII?

The SR-32JII is the updated version with refined tooling configurations, improved axis servo performance, and updated control software. Core specifications remain similar—32mm bar capacity, 7,000 RPM spindles, 8-axis operation. The JII offers incremental improvements in cycle time reduction, programming ease, and tooling flexibility. The SR-32JIII is the latest generation with further refinements.

03 How does the Star SR-32J compare to the Citizen Cincom L32?

Both are premier 32mm Swiss lathes. The Star SR-32J emphasizes hydraulic-free operation and Star's Motion Control System for cycle time optimization. The Citizen L32 offers LFV chip-breaking technology and up to 9 axes in the L32 XII configuration with a B-axis for angular machining. The L32 also supports more tool positions (up to 44 in some configs). For pure turning production, both are excellent; for complex milling-intensive parts, the L32 XII's B-axis gives it an edge.

04 Can the SR-32J handle stainless steel and titanium?

Yes. The 7.5 kW main spindle provides strong torque for machining 304/316 stainless steel, 17-4 PH, and Ti-6Al-4V titanium at appropriate speeds and feeds. The rigid machine construction and guide bushing support help maintain accuracy when machining these tougher materials. Many medical and aerospace shops run these materials daily on the SR-32J.

05 What bar feeders work with the Star SR-32J?

The SR-32J pairs with standard 32mm-capacity magazine bar feeders from LNS (Alpha, Quick Load), FMB (Turbo), IEMCA (Boss, Elite), and Edge Technologies (FMB/Edge). Most shops choose a 12-foot magazine feeder for production work. The bar feeder interface is standardized, so most major brands integrate without issues.