CHRIS-MARINE®

Wavecut Grinding Machine / WGM

Portable machine for in-situ wavecut grinding.

  • For cylinder liners 350–980 mm diameter bore
  • Overhauling of MAN B&W 2-stroke diesel engine liners
  • Self-centering, highly stable and accurate
  • PLC-controlled grinding depth feeding system
  • Cooling water system for liquid supply
  • Automatic stop after completed operation
  • Pneumatically driven motors

Wavecut Grinding Machine WGM used for cylinders with liner bore 500 - 980 mm

Wavecut Grinding Machine WGM used for cylinders with liner bore 500 - 980 mm

Wavecut Grinding Machine WGM used for cylinders with liner bore 500 - 980 mm

Remote control panel

Remote control panel

Grinding with high capacity CBN grinding wheel

Grinding with high capacity CBN grinding wheel

WGM used for cylinders with liner bore 350 – 460 mm

WGM used for cylinders with liner bore 350 – 460 mm

Portable wavecut grinding machine for in-situ grinding

Wavecut Grinding Machine – WGM – has been specifically developed to provide cylinder liners with a tribologically superior surface known as wave cut pattern. The pattern enhances lubrication and reduces attrition. Thanks to the mounting adapters on top of the machine, is self-centering, stable and accurate.

WGM – product features

  • For cylinder liners 350 – 980 mm diameter bore
  • Overhauling of MAN 2-stroke diesel engine liners
  • Machining process within time for piston overhaul
  • Air driven motors
  • Self-centering machine frame on top of cylinder liner
  • PLC-controlled grinding depth feeding system
  • Cooling water system for liquid supply
  • Automatic stop after completed operation

Available for several engine makers, like: Bergen, Caterpillar, MAN DIESEL, Sulzer, and Wärtsilä

Reliable and approved by MAN

Designed for use on cylinder liners. Cost efficient machining on site. Specific mounting adapters at top of the liner. Excellent machine stability
gives perfect machining precision.

 

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Technical Specification
WGM (500 – 980mm)
Machine capacity Cylinder liner bore 500 – 980 mm
Normal grinding time Dependent of engine size and amount of material to be removed, but normally 2 – 5 hrs
Air pressure 0.6 – 0.9 MPa (6 – 9 bar or 85 – 130 psi)
Air consumption 100m3/h (1700 l/min or 60 cu ft/min)
Air hose connection 16 mm (5/8″)
Electric power supply 1-phase 220 – 240 V 50/60 Hz
Feeding indication 0.01 mm between lines on feeding indicator wheel
Weight 220 kg
Max dimensions:
Engine type 50MC  H: 1075 mm Ø 610 mm
Engine type 60MC – 70MC  H: 1075 mm Ø 780 mm
Engine type 80MC – 98MC  H: 1075 mm Ø 1060 mm
WGM (350 – 460mm)
Machine capacity Cylinder liner bore 350 – 460 mm
Normal grinding time Dependent of engine size and amount of material to be removed, but normally 2 – 5 hrs
Air pressure 0.6 – 0.9 MPa (6 – 9 bar or 85 – 130 psi)
Air consumption 100m3/h (1700 l/min or 60 cu ft/min)
Air hose connection 16 mm (5/8″)
Electric power supply 1-phase 220 – 240 V 50/60 Hz
Feeding indication 0.01 mm between lines on feeding indicator wheel
Weight 160 kg
Max dimensions:
Engine type 35MC/E  H: 1152 mm Ø 580 mm
Engine type 40MC/E  H: 1152 mm Ø 580 mm
Engine type 42MC/E  H: 1152 mm Ø 640 mm
Engine type 46MC/E  H: 1152 mm Ø 640 mm