CNC cylindrical grinding machine Geibel & Hotz RS 2000 CM-DS

For sale is a Geibel & Hotz RS 2000 CM-DS, a high-precision CNC cylindrical grinding machine for demanding external grinding applications on long and heavy workpieces. The machine was commissioned at the end of 2012 and is equipped with SIEMENS 840D Solution Line control with dialog-guided operation and electronic handwheel. Thanks to its rigid machine design, precise axis control and comprehensive grinding and dressing functions, the machine is well suited for both production use and sophisticated individual part grinding. The machine can also be equipped for automated operation with loading gantry and in-process measuring systems.

Technical data:

Manufacturer: Geibel & Hotz

Type: RS 2000 CM-DS

Machine type / Typology: CNC cylindrical grinding machine

Year of manufacture: 2012

Commissioned: End of 2012

Condition: Used

Control: SIEMENS 840D Solution Line

Operation: Dialog-guided operation

Electronic handwheel: Available

Centre distance: 2,000 mm

Centre height: 230 mm

Centre height (manufacturer option): 300 mm

Grinding length: 2,000 mm

Max. swing diameter: 455 mm

Max. workpiece weight between centres: 800 kg

Max. workpiece weight, overhung: 200 Nm incl. clamping equipment

X-axis infeed movement:

Drive type: Electromechanical with recirculating ball screw

Infeed speed: 0.01 - 8,000 mm/min

Setup: Electronic handwheel or directional push-button

Measuring system: Glass scale

Internal resolution: 0.0005 mm

Manufacturer specification for linear measuring system, internal resolution: 0.0001 mm

Z-axis table movement:

Table speed: 0.01 - 10,000 mm/min

Manufacturer specification table speed: 0.01 - 8,000 mm/min

Workpiece spindle:

Workpiece spindle motor: 3.0 kW at 0 - 300 rpm

Manufacturer specification drive power: 5 kW

Speed range: 0 - 300 rpm

Spindle taper: MT5 / KK5

Manufacturer specification spindle taper: MT5 / KK6

Grinding spindle:

Grinding spindle motor: 11 kW

Manufacturer specification grinding spindle motor with water cooling: 15 kW

Grinding wheel peripheral speed: 35 (50) m/s

Manufacturer specification grinding wheel peripheral speed: 35 (63) m/s

Standard grinding wheel: 600 x 80 x 203.2 mm

Right-hand face grinding wheel: 300 x 40 x 127 mm

Internal grinding spindle: According to customer requirements / optional

Tailstock:

Tailstock taper: MT4

Tailstock: Manual (hydraulic)

Tailstock foot switch with quill stroke 40 mm and MT5

Manufacturer specification workpiece clamping: Spring-loaded hydraulic retraction

Machine functions / software:

Data management for workpiece data, up to 100 grinding wheels and 40 dressers

Program-controlled cylindricity error correction for all dressable grinding wheels

Dressing from workpiece spindle headstock or tailstock

Automatic compensation of dressing values

Optional integration of diamond form rollers or swivel dressers

Various dressing strategies available in the control

Integrated CAD program optional

Import of existing CAD data optional

B-axis / spindle arrangements:

B-axis infinitely swivelling

Fast and highly repeatable

Available grinding spindle arrangements:

External grinding wheel left

External grinding wheel left + face grinding wheel right

External grinding wheel left + external grinding wheel right

External grinding wheel left + internal grinding spindle

External grinding wheel left + face grinding wheel right + internal grinding spindle

Production capability / options:

Suitable as a production machine

Can be equipped with loading gantry and in-process measuring systems

Modular machine concept / available options:

Manual or infinitely automatic B-axis swivel

Number and arrangement of external and internal grinding spindles

Positional probe (Z-length measuring probe)

Contact detection

In-process measuring control

Controlled C-axis for out-of-round grinding

Hydrostatic guideway in the X-axis

Swivel dresser / diamond form roller

Servo-controlled tailstock with programmable clamping force

Network connection

Data backup

Remote maintenance

Universal paper band filter

Compact air cleaning unit

Grinding cycles:

X plunge grinding

Z plunge grinding

Z traverse grinding

Angular plunge grinding

Multi-X plunge grinding

Contour grinding

Angular oscillation

Positional cycle

Out-of-round machining

Face grinding

Z peel grinding

Auxiliary function

Modernization / documented work in 2022:

Grinding table repair: EUR 255.40

Tailstock removal: EUR 1,174.50

Tailstock removal, 2nd technician: EUR 868.50

Installation of reconditioned tailstock: EUR 1,875.00

Installation + overhaul of tailstock: EUR 12,073.42

Total documented work scope: EUR 16,246.82