Crankshafts

Balancing Machine for Crankshafts Type KHK21-BL

Type KHK21-BL balancing machines with loading gantry are designed for the balancing of in-line and V-crankshafts in several correction planes in one or more processing steps. They are modular in design and can be expanded to adapt to the production requirements.

Balancing Machine for Crankshafts Type KHK21-BL
  • Features
    • Automatic balancing of 3 cylinder in-line to 12 cylinder V-crankshafts
    • Drill spindle prepared for coolant and Minimum Quantity Lubrication (MQL)
    • Optional automatic drill changer
    • Standard model completely enclosed with front loading door and loading hatch
    • Compact, service friendly design
    • Integrated workpiece transfer
  • Applications
    • Balancing of passenger car crankshafts for in-line 3 cylinder to V12 cylinder engines in volume production
    • Can be used as a single machine with manual loading as well as with automatic loading by loading gantry or robot loader
    • Unbalance compensation by drilling in all counterweights.
    • Simultaneous drilling in different counterweights using several one spindle and multi-spindle drilling heads
Technical Specifications

 KHK21-BL2
KHK21-BL6  
Rotor
Weightkg6-306-30
Overall lengthmm300-440300-500
Bearing pedestal distancemm250-400250-360
Main bearing diametermm30-7030-80
Counter weight radiusmm60-8560-85
Journal distancemm100100
 
Machine
Width x depth x heightmm3300 x 4000 x 2200 5800 x 4000 x 2000
Balancing speed, approx.min-1 200-650200-650
Measuring uncertainty1), approx. gcm1-31-3
Cycle timesec.5536
Stations26
1) Depending on workpiece

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