Utilizing Lifting Magnets For Material Handling Operations

Attractive lifters are a lightweight and practical method of moving weighty materials in circumstances where one more technique for material taking care of would be troublesome, hazardous, or costly.

These lifters use magnets to hold weighty materials safely without requiring braces, slings and other holding gear. They are generally helpful in circumstances in which one more technique for material dealing with would be troublesome, risky, or costly.

Lifting magnets differ broadly in size. Typically, the bigger ones are swung from a chain on a crane that can move the lifting magnet into the area important to recover the material. This sort of lifter can be utilized for a wide assortment of purposes, including vehicle trashing, development, and destruction and cleanup.

How Lifting Magnets Work

There are two kinds of lifting magnets: extremely durable magnets and electromagnets. Super durable magnets utilize for all time polarized material to make an attractive field. They can be utilized to lift loads as much as 2,200 pounds. These lifters can be moved effectively to different work areas. In any case, one drawback of extremely durable magnets is that they have a confined lifting limit. Assuming that a variable lifting limit is required, the ideal decision is the electromagnetic lifter.

Electromagnetic lifters utilize an invigorated electrical curl twisted around a steel center to situate attractive spaces inside ferrous materials a typical way, along these lines, making an attractive field. Not at all like long-lasting magnets, electromagnets require a consistent DC power source. Consequently, a power disappointment can be a wellbeing issue with electromagnets except if a crisis power or reinforcement supply is coordinated with this sort of lifting framework.

Long-lasting magnets are leaned toward (1) when power isn’t free, (2) when power disappointments are a typical event, or (3) when movable attractive power isn’t required. Electromagnets are the decision for applications where shifting strength or far off magnet control is required.

Appropriate Applications for Lifting Magnets

Smooth, Flat Surfaces: Permanent lifting magnets are physically worked. They make an exceptionally solid yet low attractive field so they are delicate to air holes between the magnet and the heap. At the point when an air hole expands, the attractive power will be altogether decreased. They work best on smooth, level surfaces as opposed to roughing and sporadic ones.

Kind of Material: While ferromagnetic materials are intrinsically polarize capable, paramagnetic materials, for example, aluminum and magnesium are not.china Permanent Magnet Lifter manufacturers (Diamagnetic materials, like copper, lead, and silver, don’t polarize.) For materials other than iron-based materials, a decrease factor should be determined to decide the viable holding power.

Thickness of Material: The thickness of the material to be lifted additionally assumes a part factor in choosing a lifting magnet. Thick materials are the best competitors. Materials more slender than the determination for the lifting magnet will have a much lower level of holding power.


Lifting magnets save time by decreasing and once in a while dispensing with hindering and throwing. They can likewise kill or diminishing waste. They lessen item harm usually brought about by chains, snares, and other mechanical snatches. Be that as it may, the huge benefits of lifting magnets are simplicity of activity and cost-adequacy.

DocMagnet Inc. plans and supplies Magnetic Material Handling [http://www.docmagnet.com/material_handling/] gear. DocMagnet offers a full line of Lifting Magnets [http://www.docmagnet.com/material_handling/detail/permanent_magnetic_lifters/] for most applications.

Choosing the sort of attractive work holder that best fits a mechanization climate requires the cycle designer to get familiar with a couple of essential rules.

The present machine shops, plants or material dealing with tasks depend on computerization to keep up with quality, wellbeing and decrease costs. Mechanical assembling cells, CNC machine control focuses, mechanized pick and spot tasks, and somewhat controlled cranes influence the force of robotization advances. However, while considering the choices for work holding and lifting applications, a large number of the conventional strategies are mismatched for robotization. Clips and tight clamps or slings and anchors must be joined to work pieces or lifted material the hard way. A choice to the conventional strategies is attractive work holding. They can offer both secure help of a work piece or lifted material yet additionally are promptly incorporated into a robotized activity. Choosing the sort of attractive work holder that best fits a computerization climate requires the interaction specialist to get familiar with a couple of essential rules.

Outline of Magnetic Work Holder Types

As a rule, there are three kinds of attractive workholders sold in the commercial center today: extremely durable, electromagnet and electro-long-lasting. The extremely durable attractive sort utilizes for all time polarized material to create the holding power. They don’t need electrical power, which dispenses with risks brought about by power interferences and provides them with the additional advantage of transportability. The electromagnetic sort utilizes an invigorated electrical loop twisted around a steel center installed in the lifter to create the holding power. A D.C. regulator or rectifier gives the excitation voltage to empower the magnet. Nonetheless, the essential detriment is they require the nonstop use of electrical ability to work. Along these lines, a power disappointment would de-invigorate the magnet and make a potential security peril.

Backhanded Control

The super durable attractive workholder can’t be straightforwardly controlled for mechanization purposes since it is worked physically by an actuator situated on the attractive lifter or throw. While it offers the upsides of all attractive work holders, the powerlessness of the super durable attractive work holder to be straightforwardly controlled by means of mechanization is to be sure an impediment. Be that as it may, it tends to be in a roundabout way controlled in a mechanized activity since it doesn’t need electrical ability to work consequently making it versatile. This conveyability takes into account the roundabout control of a work piece in, for example, a mechanized palletized activity.

Direct Remote Control

The electro-extremely durable and the electromagnetic work holders can be somewhat controlled in a robotized activity. Both of these sorts of attractive work holders are stimulated or de-invigorated through a toss regulator, which is basically an AC to DC rectifier that delivers the excitation voltage for the electrical curls of the magnets implanted in the throw or lifter. Henceforth, by incorporating the regulator into the computerization control framework, the magnet can be controlled from a unified control community or a far off area. However, there are minor departure from how these two sorts of attractive work holders are somewhat controlled. They are:

Electro-Permanent: the attractive work holder just should be empowered momentarily to invigorate the lifter or throw. It will hold until it is incapacitated. Accordingly, this sort is both safeguard and compact.

Electromagnetic: this attractive work holder requires power for all tasks: empower, impair and activity. Subsequently, extra frameworks like power conditioners and additionally uninterruptible power supplies to guarantee power uprightness would be needed for wellbeing purposes.