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How to Adjust Speed of Electric Hoist

In hoists' daily use, the speed affects the efficiency of construction. JCYC remind you to choose suitable speed regulation method according to different hoists and working condition.

 

1. The most ideal method is through frequency converter to control speed.


It has higher and remote control accuracy, convenient operation and maintenance, also can realize stepless speed regulation.


Please note that a conical motor electric hoist usually use a general inverter. When need speed up, the inverter starts, when accelerating voltage slowly rising, the shift conical rotor brake can’t release, or cause inverter overload protection easily.

 

2. Motor rotor resistance speed control.


It has advantages like simple structure, low price with general quality. But its speed change is large and unstable relatively.

 

3. Hydraulic push rod.


It can achieve a stable speed. But the speed is low, soft especially the intermediate part. Also have to carry on transformation when using.

 

4. Power brake.


It is characterized by quick speed, adjustable gear, high energy-saving, safe and reliable. But its low speed is not so stable.

For more information, welcome contacts us on www.jcyccranes.com.

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