As explained in the first article in this series (WorldCargo News, May 2005, pp60-61), container crane main hoist brakes have a dual role. They serve as holding brakes for normal operations because the motors are used to provide both hoisting and stopping torque.
But they also serve as stopping brakes when, for whatever reason, the main hoist motors have inadequate braking capability for emergency situations. Typical emergencies include loss of electrical power, E-stops, overload trips, overspeed trips and snag loads.
Read this item in full
This complete item is approximately 1500 words in length, and appeared in the July 2005 issue of WorldCargo News, on page 31. To access this issue download the PDF here.
You just read one of our articles for free
To continue reading, subscribe to WorldCargo News
By subscribing you will have:
- Access to all regular and exclusive content
- Discount on selected events
- Full access to the entire digital archive
- 10x per year Digital Magazine
SUBSCRIBE or, if you are already a member Log In
Having problems logging in? Call +31(0)10 280 1000 or send an email to customerdesk@worldcargonews.com.