The design of Max Stable involves a spreader attached to a more rigid rope reeving system by means of two hoist drums. A new angular sheave scheme, in combination with the eight-rope design, stabilises the load, allowing faster, more accurate positioning of the spreader.
Rene Kleiss, VP of Kalmar Cranes, commented: “The new Max Stable meets customer needs for more efficient stacking movements and better lifting speeds, as its rigid rope reeving system ensures stability. This is because the main components – hoist ropes, drums and sheaves – are completely integrated. This design is unique to the market, but is the result of good feedback from our customers, and is derived from a system employed on Kalmar’s automatic stacking cranes.”
The new design allows operators to perform all micro-movements, including skewing, trimming and sideshifting in both directions. The joystick-controlled movements offer ± 5º skewing and optional trim with automatic centring, which also contributes to reliability and operating efficiency.
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