What are lifting magnets?

Lifting magnets can be used with cranes.

A lifting magnet is an electromagnet designed to pick up or lift metal objects. These magnets vary greatly in size and can be as small as a credit card or as large as a single bed. Typically, larger lifting magnets are operated by hanging from a chain on a crane that is capable of swinging the magnet to the required location to retrieve the desired object. This type of magnet can be used for a wide variety of purposes including automotive scrap, construction, demolition and cleaning.

There are many types of lifting magnets. The most common are designed to lift heavy metal objects weighing several tons. Others, sometimes called magnetic sweepers, help to collect debris such as nails, screws and small pieces of metal from construction site rubble. Using a magnet to retrieve scrap metal from a construction site can help prevent injuries and damage to your vehicle’s tires.

A lifting magnet can also be called a recovery magnet. They are most beneficial in situations where another method of moving the metal object would be difficult, dangerous, or expensive. These magnets can be dropped into shady places to collect metal objects and debris from hard-to-reach places. These magnets are also used in underwater situations where metal recovery is required. These underwater magnets can be used to retrieve metal from a damaged submerged vessel, such as a sunken ship or a sunken oil well.

Larger, heavy lifting magnets are often called scrap magnets. They can be used to lift large objects such as scrapped vehicles. Specially designed scrap magnets have the ability to lift large spools of wire without running the risk of the spool unwinding or stretching. Telescoping occurs when the middle parts of the wire come out of the center of the bobbin. When a coil of wire is telescopic, the heavy wire puts people and nearby objects at risk, and it is often difficult to re-coil it past the telescope.

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If not used properly by trained individuals, a powerful lifting magnet can be dangerous. For safety, a high power lifting magnet is always placed on the intended lifting object before it is turned on. Placing the magnet on the correct object before turning it on reduces the chances of damaging other nearby objects with an out-of-control lifting magnet.

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