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WALDRICH COBURG 8 DH 3536 10000

WALDRICH COBURG Hydraulic Double-Column Planing and Grinding Machine

Control: Conventional contactor control
Operation: Original Waldrich Coburg main operating console with pushbuttons, rotary switches, analog displays, and emergency stop
Display / Positioning: 2 x HEIDENHAIN POSITIP digital position indicators/positioning aids at the main console
Additional control units: Siemens SIMATIC HMI KTP700/KTP400 for grinding support and grinding equipment

Partial modernization in 2021: approx. EUR 170,000
Ongoing upgrades/retrofit until 2021
Retrofit grinding equipment
Modernized grinding support
Siemens/Lenze drive technology
Switch cabinet and modernization documentation available

Working Area
Max. planing width/clamping: 1,750 / 1,790 mm
Max. clearance height: 1,850 mm
Total clamping surface: 10,900 x 1,500 mm
Additionally documented: 2 x 4,750 x 1,500 mm
Usable table/length, per spec: approx. 10,200 mm
T-slots: 7 units
T-slot spacing: 210 mm
T-slot width: 28 mm
Minimum width between cross beams: 420 mm

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

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

Dimensions / Weight / Power Supply
Required space: 22.67 x 3.97 m
Height: 3.95 m
Weight: approx. 51,872 kg
Voltage: 500 V
Fusing: 125 A
Power type: Three-phase
Frequency: 50 Hz

Grinding Support / Grinding Equipment
Grinding support with grinding spindle
Guideway system with base body and Z-axis
Y-axis grinding support converted to ball screw spindle 40 x 10
Preloaded double nut
Single-axis control for infeed axis
Angular geared motor 72 Nm
Synchronous servo motor 11 Nm with absolute encoder
Rittal compact control cabinet

Grinding Spindle / Grinding Wheel Drive
Siemens asynchronous motor 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 grinding support / grinding equipment
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 at 10 bar
Pump motor approx. 5.5 kW
Transformer 500 V to 400 V
Separate hydraulic/power pack available

Mechanics / Overhaul
Partial overhaul on bed/table, crossbeams with slides Y1/Y2, Z1-axis planer support and lubrication unit
Machine bed hand-scraped
Bed geometry adjusted
Table hand-scraped
Guideways reworked
Slides Y1/Y2 scraped
Strips coated and hand-scraped
Steel tape renewed
Central lubrication system extended
Scrapers renewed
Crossbeam hoist repaired
Worm shaft, drive shaft center, coupling pieces, and anti-friction bearings replaced
X-axis bellows renewed

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

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