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WALDRICH COBURG 8 DH 3536 10000

WALDRICH COBURG Hydraulic Double-Column Planing and Grinding Machine

Control System: Conventional contactor control
Operation: Original Waldrich Coburg main control panel with push buttons, rotary switches, analog indicators, and emergency stop
Display / Positioning: 2 x HEIDENHAIN POSITIP digital position displays / positioning aids on the main control panel
Additional control units: Siemens SIMATIC HMI KTP700 / KTP400 for grinding support and grinding attachment

Partial modernization 2021: approx. EUR 170,000
Continuous modernizations / retrofits up to 2021
Retrofitted grinding attachment
Modernized grinding support
Siemens / Lenze drive technology
Switch cabinet and modernization documentation available

Working Area
Maximum planing width / clamping: 1,750 / 1,790 mm
Maximum throat height: 1,850 mm
Total clamping area: 10,900 x 1,500 mm
Additionally documented: 2 x 4,750 x 1,500 mm
Usable table/length per specification: approx. 10,200 mm
T-slots: 7 units
T-slot spacing: 210 mm
T-slot width: 28 mm
Minimum crossbeam / cross-rail width: 420 mm

Crossbeam / Columns / Supports
Number of crossbeams: 2
Number of columns: 2
Crossbeam horizontal stroke: 1,960 mm
Crossbeam vertical stroke: 250 mm
Column horizontal stroke: 550 mm
Column vertical stroke: 1,850 mm
Support swiveling: +/- 60°
Support tiltable: +/- 25°

Speeds / Feeds
Working speed: 5 - 60 m/min
Return speed: 5 - 60 m/min
Planing slide vertical: 0.1 - 7.5 mm
Planing slide horizontal: 0.1 - 15 mm
Column slide vertical: 0.1 - 7.5 mm
Column slide horizontal: 0.1 - 7.5 mm

Dimensions / Weight / Connection
Space requirement: 22.67 x 3.97 m
Height: 3.95 m
Weight: approx. 51,872 kg
Voltage: 500 V
Fuse protection: 125 A
Current type: three phase
Frequency: 50 Hz

Grinding Support / Grinding Attachment
Grinding support with grinding spindle
Guideway system with base body and Z-axis
Y-axis grinding support retrofitted to ball screw spindle 40 x 10
Preloaded double nut
Single-axis control for feed axis
Right angle gear motor 72 Nm
Synchronous servo motor 11 Nm with absolute encoder
Rittal compact control cabinet

Grinding Spindle / Grinding Wheel Drive
Siemens asynchronous motor for grinding spindle
9 kW at 1,500 rpm / 57 Nm
10 kW at 1,750 rpm / 55 Nm
Max. speed: 9,000 rpm
Siemens SINAMICS drive technology
Siemens SIMATIC control unit for grinding support / grinding attachment
Lenze L-force axis drive for Y-axis grinding support
Separate control cabinets for grinding wheel drive and Y-axis grinding support

Cooling / Hydraulics
Schimpke DK150-V cooling unit
Cooling capacity approx. 17.5 kW
Cooling medium: oil ISO VG46
Gear pump approx. 135 l/min against 10 bar
Pump motor approx. 5.5 kW
Transformer 500 V to 400 V
Separate hydraulic unit available

Mechanics / Overhaul
Partial overhaul on bed/table, crossbeam with Y1/Y2 slides, Z1-axis planing support and lubrication system
Machine bed hand-scraped
Bed geometry established
Table hand-scraped
Guideways reworked
Y1/Y2 slides hand-scraped
Rails coated and hand-scraped
Steel tape replaced
Central lubrication extended
Scrapers replaced
Crossbeam lifting system repaired
Worm shaft, central drive shaft, coupling pieces, and rolling bearings replaced
X-axis bellows replaced

Condition / Equipment
Column area newly painted
Table and functional surfaces in very good condition
Accessories, components, and spare parts available
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