Standards

SafetyStandards

Monorail And Underhung Crane Standards Help Eliminate Workplace Safety Risks

When moving loads overhead on a patented track or enclosed track monorail or with underhung workstation cranes, the safety of the operator and of any personnel working underneath the equipment is critical. To help facilities ensure their equipment is inherently ...
SafetyStandards

Proper Sizing Of Bridge And Trolley Brakes Ensures Safe Load ...

Like the brakes on a car — which slow, stop, and hold the vehicle in place as its motor continues to run — so too must an overhead crane be equipped with bridge and trolley brakes for safe load handling. ...
SafetyStandards

Understanding Operational And Over Travel Upper Limit Switch Requirements For ...

As an important element of overhead handling safety, upper limit switches are electro-mechanical devices used throughout crane, hoist, and monorail installations. When applied to wire rope hoists, upper limit switches restrict their lifting motion at a certain point to prevent ...
GuidelinesStandards

New Overhead Lifting Best Practices Guide To Be Released

Between them, the members of MHI’s Overhead Alliance — which includes the Crane Manufacturers Association of America (CMAA), the Hoist Manufacturers Institute (HMI), and the Monorail Manufacturers Association (MMA) — have answered thousands of questions and published approximately 100 documents ...
SafetyStandards

Monorail Inspections 101: Learn The Basics

To ensure both the safety and the optimal functionality of both patented track and enclosed track monorails, it is critical to inspect a variety of system components and operating functions at specific intervals. The Monorail Manufacturers Association (MMA) of MHI ...
SafetyStandards

Side-Pulling A Hoist Is Dangerous; Here’s Why

Every technical paper produced by the members of the Hoist Manufacturers Institute (HMI) cautions hoist owners and operators against performing a side pull. The movement is defined by the group as “any force or operating condition that restricts the load ...
StandardsTechnology

MMA-Certified: The Advantages For Owners And Operators Of Monorails And ...

To assure buyers of patented track and enclosed track monorails and workstation cranes that the products are constructed in conformance with standards established by the Monorail Manufacturers Association (MMA), the group offers manufacturers the ability to have their products MMA-Certified. ...
SafetyStandards

Understanding Hoist Duty Service Classifications

To ensure the safety and efficiency of an overhead lifting operation, it is crucial that the design of the hoist used to connect a load to an overhead crane, monorail, or workstation crane matches the specific needs of the application. ...
EducationStandards

CMAA Releases New Operator’s Manual For Below-The-Hook Lifting Devices

To enhance safety in facilities utilizing overhead traveling cranes in conjunction with below-the-hook lifting devices, the Crane Manufacturers Association of America (CMAA) has developed a new publication: CMAA Specification 80 – Below-The-Hook Lifting Device Operator’s Manual. The document is recommended ...
StandardsTechnology

Understanding The Advantages Of HMI-Certified Hoists

To help buyers of overhead hoists make a confident purchasing decision when comparing their product options, the Hoist Manufacturers Institute (HMI) offers manufacturers the option of having their products HMI-Certified. The certification program covers all products that are sold in ...