Used KELLENBERGER RS 175/1000 CNC Cylindrical Grinder

Used Swiss KELLENBERGER KEL-VARIA RS 175/1000

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Product Highlight

Used KELLENBERGER KEL-VARIA RS 175/1000 is a Swiss CNC cylindrical grinding machine designed for precision external grinding of shafts, spindle parts and other high-accuracy cylindrical components. Equipped with FANUC 31i control, 1000 mm between centers and dual external grinding wheels, it offers a practical solution for manufacturers seeking established KELLENBERGER grinding capability at a lower capital cost than purchasing new equipment.

Product Description

Used KELLENBERGER KEL-VARIA RS 175/1000 CNC cylindrical grinder, made in Switzerland and equipped with FANUC 31i control. With 1000 mm distance between centers, 349 mm maximum grinding diameter and dual external grinding wheels, this machine is designed for precision grinding of shafts, spindle components and other high-accuracy cylindrical parts. Seller-provided specifications indicate hydrostatic X/Z/B axes and spindle support, with grinding accuracy reported at around 1 μm, subject to final inspection and test grinding.

Technical Specifications

Specification	Details
Machine Type	Used CNC Cylindrical Grinding Machine
Brand	KELLENBERGER
Model	KEL-VARIA RS 175/1000
Condition	Used / Second-hand
Country of Origin	Switzerland
CNC Control	FANUC 31i
Grinding Type	External Cylindrical Grinding
Center Height	175 mm
Distance Between Centers	1000 mm
Grinding Length	1000 mm
Maximum Grinding Diameter	349 mm
Maximum Workpiece Weight Between Centers	100 kg
X-Axis Travel	320 mm
Z-Axis Travel	1150 mm
External Grinding Wheels	2
Left Grinding Wheel Size	Ø400 × 63 × 127 mm
Left Grinding Wheel Speed	1500–2200 rpm
Peripheral Grinding Speed	32 m/s
Rapid Feed Rate	10 m/min
Right Grinding Wheel Size	Ø400 × 63 × 127 mm
Right-Side Rotational Speed	8–800 rpm*
Main Spindle Taper	MT5
Tailstock Taper	MT4
Tailstock Stroke	30 mm
Chuck Diameter	200 mm
Chuck Capacity	100 mm*
Power Supply	3 × 400 V, 50 Hz
Machine Dimensions	4840 × 2260 × 2120 mm
Machine Weight	Approx. 4800 kg
Guideway / Spindle Design	Hydrostatic X, Z, B axes and spindle*
Reported Grinding Accuracy	Approx. 1 μm*

*Seller-provided specification; exact configuration and machining accuracy should be confirmed during technical inspection or test grinding before purchase.

Applications & Suitable Workpieces

The used KELLENBERGER KEL-VARIA RS 175/1000 CNC cylindrical grinder is suitable for precision external cylindrical grinding where dimensional accuracy, roundness and surface finish are important.

Typical applications include:

Precision shafts, spindles, arbors and stepped shafts
Bearing journals, sleeves, pins and rollers
Machine tool spindle and transmission components
Gear shafts and precision drive components
Hydraulic and pneumatic components
Tooling, fixtures and precision mold components
Automotive and aerospace precision parts
General mechanical engineering components
Small-batch high-precision grinding and production work
External cylindrical, shoulder, taper and multi-diameter grinding

KELLENBERGER currently identifies mechanical engineering, automotive, aerospace, tool and mold making, energy and medical technology among the industries served by its precision machine portfolio.

FAQ

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

The machine has a 1000 mm distance between centers, a center height of 175 mm, and a maximum grinding diameter of approximately 349 mm. Maximum workpiece weight between centers is listed as 100 kg.

Which CNC control does this used KELLENBERGER grinder have?

This machine is equipped with a FANUC 31i CNC control, providing CNC operation for precision cylindrical grinding and production programming.

Can this machine achieve micron-level grinding accuracy?

The seller reports grinding accuracy of approximately 1 μm and a hydrostatic design for the X, Z and B axes and spindle. Because actual accuracy depends on machine condition, setup, dressing, wheel selection and operating environment, buyers should confirm performance through inspection or a test grind.

What parts are best suited to this KELLENBERGER cylindrical grinder?

It is particularly suitable for shafts, spindle components, bearing journals, sleeves, rollers, precision transmission parts, tooling and other cylindrical components requiring accurate diameter, roundness and surface finish.