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WALDRICH COBURG 8 DH 3536 10000

WALDRICH COBURG Hydraulic Double-Column Planer and Grinding Machine

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

Partial modernisation in 2021: approx. EUR 170,000
Ongoing modernisations / retrofit up to 2021
Retrofit grinding unit
Modernised grinding slide
Siemens / Lenze drive technology
Documentation for switch cabinet and all modernisation work available

Working Area
Max. planing width / clamping width: 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 (as per data card): approx. 10,200 mm
T-slots: 7 units
T-slot spacing: 210 mm
T-slot width: 28 mm
Minimum width between crossbeams: 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 swivel: +/- 60°
Support tiltable: +/- 25°

Speeds / Feeds
Working speed: 5 – 60 m/min
Return speed: 5 – 60 m/min
Vertical traverse of cross planing slide: 0.1 – 7.5 mm
Horizontal traverse of cross planing slide: 0.1 – 15 mm
Vertical traverse of column slide: 0.1 – 7.5 mm
Horizontal traverse of column slide: 0.1 – 7.5 mm

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

Grinding Support / Grinding Unit
Grinding support with grinding spindle
Guideway system with base body and Z-axis
Y-axis of grinding support converted to ball screw 40 x 10
Preloaded double nut
Single-axis control for infeed axis
Bevel 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 grinding support / grinding unit
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 up to 10 bar
Gedpfxey Ubn Ss Ak Tobp
Pump motor approx. 5.5 kW
Transformer 500 V to 400 V
Separate hydraulic power 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 machined
Table hand-scraped
Guideways reworked
Y1/Y2 slides scraped
Gibs coated and hand-scraped
Steel tape replaced
Central lubrication system expanded
Way wipers replaced
Crossbeam hoist repaired
Worm shaft, central drive shaft, couplings, and roller bearings replaced
X-axis bellow replaced

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

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