Comec LBM850 Line Boring Machine for Cylinder Heads and Blocks

Stock #1421New Machine; Call for Pricing

The Line Boring Machine LBM850 allows the reconditioning of housing holes either of camshaft cylinder heads and crankshaft blocks of cars and light trucks as well. The boring bar is hold by three sturdy, movable arms which offer high rigidity while machining, whilst perfect and quick centering of the workpiece respect to the boring seats is allowed thanks to fine adjustment knobs, either in height and cross movements, assisted by a pair of centering devices complete of dial indicators. The versatile and useful fixture simplify and speed-up the clamping operation of any kind of cylinder heads and blocks. The boring bar rotation speed can be infinitively adjusted thanks to the inverter complete of digital read-out which displays always the correct working speed.

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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



Boring capacity 24 - 85 mm
Max spindle travel 100 mm
Min-Max distance height supports to bar C/L 100 - 376 mm
Max cylinder head and block length 810 mm
Max cylinder head and block width 300 mm
Variable spindle rotation speeds 250 - 1000 rpm
Spindle traverse rate 0 - 1000 mm/min
Feed Motor power 0,50 HP
Dimensions (LxWxH) 1780x800x1385 mm
Weight 375 Kg

Power Requirements: 220 Volt/ 1 Phase/ Full Load AMPS: 5,9A

Shipping information:

Skid dimensions: 80.3" x 40.9" x 70.5"

Shipping weight: 1,090 lbs.