Advantages of a Built Up Hoist

Package hoist systems are primarily designed to be used on lower duty cycle overhead cranes. They fit a specific design criteria and meet the duty cycle requirements of the crane based on their capacity and amount of use they’ll see during the course of their lifetime.

On a built up hoist, all of the components are specifically engineered for a specific purpose and are designed to last a very long time. These are systems that do one thing very well and they thrive in applications where a complex lift is needed. It’s not unreasonable to see built up hoists that can stay in service for 40 years or more when they’re designed properly!

Built up hoists are also designed to be more reliable, easier to inspect, and easier to service and repair than a package hoist system. A catwalk or service platform is commonly found on cranes with built up hoists to allow maintenance and service personnel access to the hoist for inspection or maintenance.

These types of hoists often have individual grease ports for the roller bearings to allow for easy lubrication. The hoist and trolley are also designed to allow easy access to gear boxes, brakes, and couplings for adjustment or repair.

Built up hoists are found on top running double girder crane systems. This design gives them the advantage of:

• No limits to the maximum span or capacity of the crane, hoist, or trolley
• The most overhead room
• The greatest hook height

On a new process crane, the system will come standard with modern features and technologies, which provide better controls, precision movement, and safety when moving a load through a facility. Some of these technologies include:

• Variable frequency drives
• Anti-sway technologies
• Slow down and stop limit switches
• Remote radio controls
• Monitoring and diagnostics

Utilizing diagnostics information, maintenance personnel can monitor the time between recommended maintenance intervals for individual hoist components. This also allows them to schedule preventative maintenance to help reduce equipment downtime.

For example, by monitoring the predictable preventative maintenance schedule, they can help improve the crane’s safety by knowing when the hoist components have reached the end of their useful service life so they can either rebuild the internal components or replace them entirely.

In a steel mill, automotive stamping facility, or mass-production environment, there really is no better option than a built up hoist to handle technical and dangerous overhead lifts.

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