Used Swiss KELLENBERGER KEL-VARIA RS 175/1000 CNC Grinder

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Product Highlight

This KELLENBERGER KEL-VARIA RS 175/1000 is a high-precision CNC universal cylindrical grinding machine manufactured in Switzerland. It features a 175 mm center height and a 1,000 mm distance between centers, making it well suited for precision external cylindrical grinding of long shafts, spindles, transmission components, aerospace parts, and other high-accuracy workpieces.

Product Description

This used KELLENBERGER KEL-VARIA RS 175/1000 CNC cylindrical grinding machine, originally manufactured in Switzerland, offers a 1000 mm grinding length, 175 mm center height and dual external grinding wheelheads. Equipped with a FANUC CNC control and a hydrostatic machine design, it is an attractive option for manufacturers looking for high-precision cylindrical grinding capability without the investment required for a new Swiss grinding machine.

Technical Specifications

Specification	Details
Condition	Used / Pre-Owned
Brand	KELLENBERGER
Model	KEL-VARIA RS 175/1000
Machine Type	CNC Cylindrical Grinding Machine / External Cylindrical Grinder
Country of Origin	Switzerland
CNC Control	FANUC 31i*
Center Height	175 mm
Distance Between Centers	1,000 mm
Grinding Length	1,000 mm
Maximum Grinding Diameter	349 mm
Maximum Workpiece Weight Between Centers	100 kg
Grinding Head Configuration	Two External Grinding Wheelheads
X-Axis Travel	320 mm
Z-Axis Travel	1,150 mm
Left Grinding Wheel Size	400 × 63 × 127 mm
Left Wheel Speed	1,500–2,200 rpm
Peripheral Grinding Speed	32 m/s
Rapid Feed Rate	10 m/min
Right Grinding Wheel Size	400 × 63 × 127 mm
Right-Side Speed	8–800 rpm, according to supplied specification*
Headstock Spindle Taper	MT5
Tailstock Taper	MT4
Tailstock Travel	30 mm
Chuck Diameter	200 mm
Listed Chuck Clamping Capacity	100 mm*
Hydrostatic System	X, Z, B axes and spindle, according to seller information
Power Supply	3 × 400 V, 50 Hz
Machine Dimensions	4,840 × 2,260 × 2,120 mm
Machine Weight	Approx. 4,800 kg
Sample Roundness Reading	P-P 0.4 μm shown on supplied measurement screen*

Applications & Suitable Workpieces

The used KELLENBERGER KEL-VARIA RS 175/1000 cylindrical grinder is suited to precision cylindrical grinding applications where dimensional accuracy, roundness and surface finish are important.

Typical applications include aerospace engine shafts and rotor components; precision shafts, gears, splines and couplings; pneumatic and mechanical spindle components; toolholder tapers, collets and precision fixtures; cutting-tool and measuring-tool components; oil and gas valve parts; semiconductor and photovoltaic equipment components; automation equipment parts; drilling and construction machinery components; textile and sewing-machine parts; mold and die components such as punches and ejector pins; and other high-precision rotational parts.

Its 1,000 mm between-centers capacity and 349 mm maximum grinding diameter make it especially suitable for medium-to-long precision shaft components.

FAQ

Is this KELLENBERGER KEL-VARIA RS 175/1000 a new machine?

No. This is a used / pre-owned KELLENBERGER CNC cylindrical grinding machine. The KELLENBERGER brand and model names are used only to identify the original manufacturer and machine model.

What size workpieces can the KEL-VARIA RS 175/1000 grind?

The machine has a 1,000 mm distance between centers, a 1,000 mm grinding length, a 175 mm center height, and a listed maximum grinding diameter of 349 mm. The maximum listed workpiece weight between centers is 100 kg.

What grinding accuracy can I expect from this machine?

The seller reports precision around the micron level, and one supplied roundness measurement screen displays a P-P value of 0.4 μm. This should be treated as a reference measurement rather than a guaranteed production specification. Final accuracy depends on the workpiece, wheel condition, dressing, setup, temperature and operating conditions.