CHRIS-MARINE®

Valve Spindle and Seat Grinding Machine / VGT

Designed and developed for grinding of valves and valve seats on 2-stroke diesel engines.

  • Anti-vibration dampers
  • Self-centering of valve and seat
  • Grinding angles set according to customer’s requirement
  • Diamond dresser for grinding wheel and full set of tools included
  • Electrically driven

VGT - Valve spindle and seat grinding machine

VGT - Valve spindle and seat grinding machine

VGT - Valve spindle and seat grinding machine

High power grinding motor with large diameter grinding wheel for fast operation

High power grinding motor with large diameter grinding wheel for fast operation

Self-alignment of valve with precision cone system

Self-alignment of valve with precision cone system

VGT - Valve and seat grinding machine

VGT - Valve and seat grinding machine

VGT: Valve Spindle and Seat Grinding for 2-Stroke Diesel Engines

The VGT automatic valve spindle and seat grinding machine is designed for high-precision grinding of valve spindles and seats on 2-stroke diesel engines. This versatile machine is suitable for crosshead engine exhaust valves and offers a range of adjustable features to meet the specific requirements of different valve and seat angles.

Key Features of the Valve Spindle and Seat Grinding Machine:

  • Precision Grinding: Equipped with a high-precision grinding spindle and automatic centering system, the VGT ensures consistent, high-quality results.
  • Robust Construction: Built to withstand demanding conditions, the VGT is vibration-resistant, making it ideal for use both onboard and ashore.
  • Customizable Grinding Angles: The machine is adjustable to meet customer-specific valve and seat angle requirements, making it a flexible solution for various engine types.
  • Self-Centering System: This innovative system guarantees accurate valve and seat positioning during the grinding process.
  • Easy Operation: The electrically driven VGT is designed for ease of use, ensuring reliable performance with minimal operator effort.
  • Anti-Vibration Dampers: The VGT incorporates advanced anti-vibration dampers to maintain precision even in harsh operating conditions.
  • Complete Tool Set: The machine comes with a diamond dresser for the grinding wheel, as well as a full set of necessary tools to carry out the grinding process.

Specifications:

  • Valve Stem Diameter: Up to 96 mm
  • Grinding Angles: Customizable based on the engine requirements
  • Pneumatic Operation: The VGT operates pneumatically, ensuring efficient and controlled grinding.

Compatible Engine Brands:

The VGT valve grinding machine is compatible with a range of 2-stroke diesel engine makers, including:

  • MAN B&W
  • Mitsubishi
  • Wärtsilä

 

Whether you are looking to maintain valves onboard a ship or perform grinding work in a workshop, the VGT machine offers a reliable and efficient solution for valve maintenance in diesel engines.

 

Interested in knowing more about our range of Grinding & Machining products? Learn more here.

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Technical specification
Machine capacity Up to 96 mm valve stem diameter
Weight 250 kg
Max dimensions H: 1300 - 1700 mm, W: 700 - 960 mm
Electric power supply 3-phase 220 - 250 V 50/60, Hz 3-phase 380 - 440 V 50/60 Hz
Noise level 81 dB (A) / 80 dB (C)
Normal grinding time 10 - 20 min
Power requirement 1.3 kW