Demag Cranes & Components [India] Private Limited manufactures. Demag Cranes & Components [India] Private Limited is an ISO 9001 certified company. The Chain Hoists are designed with infinitely-variable speed control. The salient features of Chain Hoists are infinitely variable speed control for lifting and lowering motions over the entire load range creep lifting speed from 0.15 m/min [DCS 1 and 2] and 0.08 m/min [DCS 5]; gentle starting and precise positioning thanks to particularly fine control at low speeds; gentle positioning and fast travel in one, thanks to a 1:200 control ratio; and up to 90 percent higher nominal speed for partial load or no-load operations.
The Chain Hoists also features automatic switchover to creep lifting speed before the upper / lower stopping positions are reached; smooth operation and optimum ergonomics thanks to 10 mm switching path and progressive characteristic of the PWM switching elements; acceleration and braking ramps prevent significant load sway; hoist speed, acceleration and braking ramp can be simply modified via the control pendant; increased safety by means of motor temperature monitoring; and wide voltage range input 380-480 V / 50 - 60 Hz.