Used STUDER S145 CNC Internal & External Grinder

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Product Highlight

Used STUDER S145 is a Swiss-built CNC universal grinding machine designed for precision internal, external, non-round, form and thread grinding. Equipped with GE Fanuc Series 16i-T control, a multi-position turret wheelhead and three installed high-speed spindle units, it provides a flexible solution for complex precision components requiring multiple grinding operations with fewer setups.

Product Description

Used STUDER S145 CNC universal internal and external cylindrical grinding machine from Switzerland, equipped with GE Fanuc Series 16i-T control and a multi-position turret wheelhead. Designed for high-precision ID, OD, non-round, form and thread grinding, it supports complete machining in a single clamping for complex precision components.

Technical Specifications

Specification	Details
Machine Type	Used CNC Universal Internal & External Cylindrical Grinding Machine
Brand	STUDER
Model	S145
Country of Origin	Switzerland
Condition	Used / Pre-Owned
CNC Control	GE Fanuc Series 16i-T
Operating Hours	Approx. 12,000 h
Grinding Length	200 mm
Center Height	225 mm
X-Axis Travel	129 mm
Z-Axis Travel	510 mm
X-Axis Feed Rate	Up to 5,000 mm/min
Z-Axis Feed Rate	Up to 10,000 mm/min
Wheelhead Type	Turret-Type Multi-Spindle Wheelhead
Grinding Spindle Positions	Up to 4 positions
Installed Spindle Units	3
B-Axis CNC Swivel Range	-10° to +280°
B-Axis Indexing Positions	0° / 90° / 180° / 270°
Internal Grinding Diameter	Up to 120 mm
Workhead Spindle Bore	50 mm
Workpiece Spindle Speed	0–1,000 rpm
Workhead Motor Power	3 kW
Workhead Q-Axis Swivel	±30°
C-Axis	360° capability for non-round, form and thread grinding
Max. Torque	180 Nm
Internal Grinding Spindle 1	60,000 rpm
Internal Grinding Spindle 2	60,000 rpm
Internal Grinding Spindle 3	42,000 rpm
Internal Spindle Lubrication	Oil / Mist Lubrication System
Internal Spindle Cooling	TECHNO THERM TTK 5500/2
Coolant System	KNOLL VRF 150/350M
Filtration	Belt-Type Filtration System
Coolant	Through-Spindle / Through-Center Cooling
Programming	Contour / Polygon Programming
Interface	RS232C
Electronic Handwheel	Equipped
X/Z Axis Scale	Heidenhain Linear Scale
Power Supply	400 V
Connected Load	22 kVA
Floor Space	Approx. 3120 × 2000 mm
Machine Height	Approx. 2000 mm
Machine Weight	Approx. 5,700 kg

STUDER documentation for the S145 family confirms the use of a multi-position turret wheelhead, Fanuc CNC control, 50 mm spindle bore and workhead speeds up to 1,000 rpm, although individual machines may differ according to configuration.

Typical Applications

The STUDER S145 is suitable for precision manufacturers producing complex, high-value components where bore geometry, concentricity, surface finish and repeatability are important.

Typical applications include precision molds and dies, metering pumps, precision punch and die components, carbide dies, aerospace engine components, automotive transmission parts, gear and spline components, precision shafts, machine-tool spindles, medical-device components, automation components, hydraulic components, engineering machinery parts, textile machinery components, cutting-tool manufacturing, precision fixtures, semiconductor equipment components and optical-industry hard-material components.

It is particularly useful for prototype production, high-mix precision manufacturing, small-to-medium batches and complex parts requiring several grinding operations in one setup. Public S145 information similarly identifies tooling, aerospace, automotive and other high-precision manufacturing applications.

FAQ

Can the used STUDER S145 perform both internal and external cylindrical grinding?

Yes. The S145 platform is designed for flexible cylindrical grinding applications and can support both internal and external grinding configurations. This machine uses a multi-position turret wheelhead, allowing different grinding operations to be combined according to the installed spindle and tooling configuration.

Can the STUDER S145 grind non-round or complex profiles?

Yes. The machine is equipped with C-axis capability that can be used for non-round, form and thread grinding. This makes it suitable for components requiring more complex geometries than conventional cylindrical surfaces.

How many grinding spindles can the S145 turret wheelhead carry?

The turret wheelhead supports up to four grinding spindle positions. This machine currently has three spindle units installed, allowing different grinding processes to be arranged for multi-operation machining.

What CNC control does this used STUDER S145 use?

This machine is equipped with a GE Fanuc Series 16i-T CNC control, providing programmable axis movement, grinding-cycle control and contour machining capability.

What type of manufacturers is this machine suitable for?

It is suitable for precision mold and die manufacturers, aerospace component suppliers, automotive and transmission manufacturers, cutting-tool producers, hydraulic component manufacturers, medical-device suppliers and other companies machining high-precision components with demanding ID, OD or complex profile requirements.