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Overhead Permanent Magnet

Overhead Electromagnets

Overhead Permanent Magnets are non-electric and are suspended over conveyor belts or vibratory feeders. No external power source is required to generate the magnetic field. Ferrous tramp metal that is part of the material burden passing under the magnet is attracted to the magnet face during operation. Any ferrous metal that is attracted to the magnet face is either automatically and continuously removed with our self-cleaning models or held in place, until manually removed with our stationary models. Our self-cleaning models are designed with a non-magnetic laser cut stainless steel frame. This prevents ferrous metal from collecting on the frame and in between the belt and magnet face.

Lifetime

Lifetime Guarantee on Magnetism for Overhead Permanent Magnets

We designed our overhead permanent magnets with patented Dings Flux Control (DFC) Circuit Design. DFC eliminates internal leakage between magnetic poles and improves separating performance. The overall strength of the magnet field is stronger, extended deeper and pattern is more uniform.

Call Us For Expert Support of Dings Equipment Regardless of Age!

Dings Flux Control (DFC) Circuit Design

Dings Flux Control (DFC) Circuit Design was a breakthrough in the design of Overhead Permanent Magnets. It eliminates internal leakage between magnetic poles and improves separating performance.

Other “conventional” magnetic circuits contain air of filler material between the magnetic poles; this allow flux (magnetism) to leak out and be wasted. In the DFC design, blocking magnets are strategically positioned in the spaces to working force, which makes the magnet more efficient.

The overall strength of the magnet is improved in three ways:

  1. The magnetic field is stronger
  2. The magnetic field extends deeper
  3. The magnetic field pattern is more uniform

By using the DFC effectively, our magnetic solutions experts can manufacture any sized magnet that has just the right amount of magnetic power for your specific application – creating savings in weight and cost.

Overhead Electromagnets

Self-Cleaning

Self Cleaning

Self-Cleaning models have a belt that continuously travels across the face of the magnet body to automatically discharge attracted ferrous metal away from the magnetic zone. These powerful models come equipped with a heavy-duty rubber belt to remove ferrous metal from the material stream. Other cleat styles and sizes are available for use in different ferrous recovery applications. To drive the magnetic belt, a direct gear motor is used and also available in special voltages

Stainless Steel Frame
Dings Overhead Permanent Magnets have a non-magnetic laser cut stainless steel frame. This prevents ferrous metal from collecting on the frame.

Features
Guaranteed Lifetime Warranty on magnetism
Patented Dings Flux Control (DFC) Circuit provides a stronger, deeper and more uniform magnetic field
Unique construction – smaller, lighter magnet for a given strength than any other in the industry
Full stainless-steel bottom plate with extra stainless-steel center wear plate in the main impact area provides a longer life
IP56 AGMA Class II Motor
Heavy-duty belt
8-point mounting lugs – reduces installation time
Inline and Crossbelt mounting positions
Removeable crossbelt stainless-steel deflector
Stainless-steel frame construction – minimizes cleaning and extends belt life
Options
Dust Cover
Dust Cover

Totally enclosed, dust-tight constructed enclosure allows integration into dust collection systems

Crossbelt Deflectors
Deflectors

The crossbelt deflector is standard and mounted to the magnet box perpendicular to the conveyor. It is used to prevent conveyed material from getting jammed between the magnet box and the self-cleaning belt

Pulley Guards
Pulley Guards

The pulley guard is a safety option that prevents access to the rotating pulleys, ensuring safety of personnel

Pinch Point Guards
Pinch Point Guards Pinch Point Guards

Pinch point guards prevent access to a point on the equipment where personnel can get caught in between moving parts

Belt Guide Rollers
S3-inch rubber cleats S3-inch rubber cleats

These rollers are added to the magnet frame to protect the most expensive part of a conveyor, the belt. They assist in the prevention of belt damage due to belt tracking. They are typically used when magnets are suspended at a significant angle

Turnbuckles
Turnbuckles Turnbuckles

A mounting element device with built-in adjustability to fine tune a magnet’s suspension

Zero Speed Switch
Zero Speed Switch Zero Speed Switch

This motion control safety sensor alerts personnel when the magnetic separator has stopped moving due to motor failure or belt breakage

Explosion Proof Motor
Explosion Proof Motor Explosion Proof Motor

Explosion proof motors are UL certified electric motors that meet the hazardous locations needs of an application

Hydraulic Motor
Hydraulic Motor Hydraulic Motor

An option to replace the electric motor for applications where electric power isn’t available or feasible

Dings Armor-Clad ‘Durabelt’
Special Belt Designs Special Belt Designs

A metal clad belt developed by Dings Co. Magnetic Group as a long-life magnet cleaning belt for installations where many sharp-edged iron objects are encountered. Continuous impacts from sharp steel can cause rapid wear on standard cleaning belts. The entire impact area on a ‘Durabelt’ is protected with an armored barrier of thick stainless-steel pads. The self-cleaning belt travels continuously around the separator, automatically cleaning off the attracted ferrous. Individual plates can be easily replaced in the field, saving costs on belt replacement and reducing downtime

3-inch Rubber Cleats
Special Belt Designs

3-inch rubber cleats

Vulcanized cleats that help to move larger-sized ferrous objects (typically in recycling applications) that standard 1-inch cleats would not

High Temperature Belt

A belt made from material(s) meant for applications in high ambient temperatures

Special Motor Voltages

Special motor voltages are available to meet any specific application requirements

Custom Designs

Our magnetic solutions experts can custom design any equipment to meet your specific application needs

Stationary

Stationary

Stationary models are maintenance-free with no moving parts (no lubrication, no tightening or replacing of hardware needed). Ferrous metal is pulled out of the material stream to the face of the magnet. Any ferrous metal that is attracted to the magnet face is held in place until manually removed. Designed specifically for easy installation; this model comes with a 3-point suspension system (4-point suspension available) that includes two cables and one turnbuckle connected to a common bull ring. Adjustment of the magnet suspension angle is easy and only involves adjustment of the turnbuckle. There is no measuring, shortening, lengthening or cutting of cable required.

Features
Guaranteed Lifetime Warranty on magnetism
Patented Dings Flux Control (DFC) Circuit provides a stronger, deeper and more uniform magnetic field
No power supply for magnet
Maintenance-free design
Options
4-Point Suspension System
4-Point Suspension System

Additional suspension points allow for more adjustment options

Sweep Arm Assembly
Sweep Arm Assembly Sweep Arm Assembly

The sweeper arm assembly is used to push attracted material off the magnet face. The arm is made of an angle that is non-magnetic stainless-steel. This prevents material attracted metals having to be removed by hand, which can cause safety risks.

Custom Designs

Our magnetic solutions experts can custom design any equipment to meet your specific application needs

Inline vs. Crossbelt Mounting Positions

Dings overhead magnets are available in two suspension types: Inline and Crossbelt

In an inline mounting position, the magnet is installed over the conveyor head pulley so that the magnet face is parallel to the travel direction of material falling off the conveyor. The material is loosening up as it travels through its trajectory after leaving the head pulley.

Inline vs. Crossbelt
Inline vs. Crossbelt

In a crossbelt mounting position, the magnet is installed over the conveyor such that the magnet is at a right angle to the travel direction of the material on the conveyor. When compared to an inline mounted magnet, a larger size magnet is required to remove ferrous from a crossbelt application (since ferrous on the belt surface has to be pulled up through the burden). If the magnet cannot be installed over the head pulley, install it over the flat section of the conveyor.

Inline vs. Crossbelt
Inline vs. Crossbelt

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