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4793RN, Fijnaart
the Netherlands

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Comec LBM850 line boring machine

The Comec LBM850 Line Boring Machine has been specially developed for drilling the crankshaft and camshaft holes in engine blocks of cars and smaller trucks.


Comec LBM850 Line boring machine

The drilling shaft is supported in 3 places by sturdy movable arms, so that a high rigidity is guaranteed during machining. The height and width can be adjusted with the fine adjustment knobs, so that a perfect centering can be achieved, supported by dial indicators.

The versatile and useful fixture on the Comec LBM850 simplifies and speeds up the clamping action of every type of cylinder head and block.

With the mounted frequency inverter the speed can easily be determined digitally and steplessly without this being at the expense of the power. The digital RPM display shows the speed so that the correct rotation speed can be easily adjusted.

The Comec LBM850 Line boring machine is the only solution for the reconditioning of housing holes either of camshaft cylinder heads and crankshaft blocks


Specifications Comec LBM850

Boring capacity24 - 85 mm
Max spindle travel100 mm
Min-Max distance height supports to bar C/L100 - 376 mm
Max cylinder head and block length810 mm
Max cylinder head and block width300 mm
Variable spindle rotation speeds250 - 1000 rpm
Spindle traverse rate0 - 1000 mm/min
Feed Motor power0,50 HP
Dimensions (LxWxH)1780x800x1385 mm
Weight375 Kg

Standard equipment

  • Continuous variable spindle speed
  • Basement with equipment-tray
  • Boring bar supporting arms
  • Universal head clamping fixture
  • Dia. 24-85 mm Chromed tool holder bar
  • Dia.50 mm Toolholder ring for blocks
  • Set of boring tools
  • Centering device (2 pieces)
  • Tool setting device complete of dial gauge with micrometer
  • Wrench set
  • Instructions manual

Get in touch

For more information, you can also visit our other website www.ftfmachines.com