Used STUDER KC33 1000U CNC Cylindrical Grinder

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Product Highlight

Used STUDER KC33 1000U CNC universal cylindrical grinder for precision internal and external grinding. This machine from the Swiss STUDER brand features FANUC 0i-TD CNC control, 1000 mm between centers, 175 mm center height and a 40,000 rpm internal grinding spindle, making it suitable for precision shafts, spindles, sleeves and other medium-sized cylindrical components.

Product Description

Used STUDER KC33 1000U CNC universal cylindrical grinder is designed for high-precision internal and external cylindrical grinding of medium-sized workpieces. Equipped with a FANUC Series 0i-TD CNC control, 1000 mm distance between centers, 175 mm center height, and an installed 40,000 rpm internal grinding spindle, this pre-owned machine is well suited for precision shafts, spindles, sleeves, bearing seats and other demanding cylindrical components.

A supplied machine geometry test certificate records the listed inspection results within their corresponding permissible tolerances, providing useful reference data for buyers evaluating this used precision grinder.

STUDER's current KC33 technical information confirms the platform's 650/1000 mm center-distance configurations, 175 mm center height, 285 mm X-axis travel and suitability for individual and batch production of medium-sized parts.

Technical Specifications

Specification	Details
Brand	STUDER
Model	KC33 1000U
Machine Type	CNC Universal Cylindrical Grinder
Condition	Used / Pre-owned
Brand Origin	Switzerland
CNC Control	FANUC Series 0i-TD
Grinding Capability	Internal & External Cylindrical Grinding
Distance Between Centers	1000 mm
KC33 Series Center Distance	650 / 1000 mm
Center Height	175 mm
Maximum Workpiece Diameter	Approx. Ø349 mm
Maximum Workpiece Weight	Up to 120 kg for 1000 mm configuration
X-Axis Travel	285 mm
X-Axis Feed Range	0.001–5,000 mm/min
X-Axis Resolution	0.0001 mm
Z-Axis Travel	1150 mm
Z-Axis Feed Range	0.001–10,000 mm/min
Z-Axis Resolution	0.0001 mm
Worktable Swivel	8.5°
Wheelhead Indexing	Automatic, 1° indexing
B-Axis Swivel Range	Up to 195° platform specification
Grinding Wheel Diameter	Ø500 mm
Standard Grinding Wheel Size	Ø500 × 63 × Ø203 mm
Maximum Wheel Peripheral Speed	50 m/s
Wheelhead Drive Power	7.5 / 9 kW, configuration dependent
Installed Internal Grinding Spindle	40,000 rpm
Internal Spindle Platform Range	Approx. 24,000–120,000 rpm depending on spindle configuration
Workhead Speed	1–650 rpm
Workhead Spindle Bore	Ø50 mm
Tailstock Taper	MT4
Tailstock Quill Travel	35 mm
Tailstock Quill Diameter	50 mm
Connected Load	Approx. 20 kVA
Pneumatic Supply Pressure	5.5 bar
Approx. Machine Weight	5,000 kg for 1000 mm configuration
Inspection Documentation	Machine geometry test certificate supplied

The major capacity figures are consistent with STUDER's published KC33 specifications, including 1000 mm between centers, 175 mm center height, 285 mm X travel, 1150 mm Z travel and up to 120 kg workpiece capacity for the longer configuration.

Applications & Suitable Working Scenarios

The used STUDER KC33 1000U is suitable for manufacturers and precision machining companies that need flexible ID and OD cylindrical grinding without investing in a new high-end grinder.

Typical applications include precision shaft grinding, machine-tool spindle grinding, sleeves and bushings, bearing journals and bearing seats, transmission shafts, hydraulic and pneumatic components, tooling components, tapered cylindrical parts and general precision engineering components.

It is particularly suitable for small-batch production, medium-batch production, toolrooms, precision job shops, machine rebuilding companies, automotive component manufacturers, machine-tool manufacturers and other workshops processing medium-sized cylindrical components. STUDER describes the KC33 platform as suitable for both individual-part and batch production of medium-sized workpieces.

FAQ

Can this STUDER KC33 grind both internal and external diameters?

Yes. This configuration supports internal and external cylindrical grinding, making it useful for manufacturers that need to process different features on precision shafts, sleeves, spindles and similar cylindrical components.

What size workpieces can the KC33 1000U handle?

This 1000U configuration has approximately 1000 mm distance between centers, a 175 mm center height, and can accommodate workpieces weighing up to approximately 120 kg between centers, subject to workpiece geometry and setup requirements.

What CNC control is installed on this used STUDER grinder?

The machine is equipped with a FANUC Series 0i-TD CNC control. It also has an installed 40,000 rpm internal grinding spindle, making it suitable for precision bore grinding as well as external cylindrical grinding.