The 6 – ton tower crane uses contactor control and is low – cost. All models of tower cranes with a lifting capacity ranging from 6 tons to 16 tons have corresponding models with variable – frequency drives. They adopt the control and drive mode of PLC plus frequency converter, featuring:
A. Small starting current and smooth operation.
B. Large speed – regulation ratio and the ability to operate at full torque at low speeds.
C. Closed – loop control of the hoisting mechanism, with high precision and good safety performance.
D. Smooth slewing operation and minimal jib sway when stopping.

We can provide personalized customization for customers to meet different needs.