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Magnetic Kownledge

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How Lifting Magnets Work

How Lifting Magnets Work The lifting magnet is a versatile work handling device that is capable of supporting a variety of ferrous materials, from small bundles of rod or scrap to large, heavy blocks. Unlike slings and chains, lifting magnets can be used to lift loads that might otherwise require two or more people. By [...]

Industrial Strength Magnetic Separation Equipment

Industrial Strength Magnetic Separation Equipment At HangSeng Magnetics, Inc. (HSMAG), we specialize in industrial strength magnetic separation equipment for the removal of ferrous and non-ferrous metal contaminants from dry or liquid product flows and we are the first manufacturer to offer 52 MgOe rare earth material as a standard in many of our metal separation [...]

Types of Magnets Used in Industrial Process Plants

Types of Magnets Used in Industrial Process Plants Ceramic Magnets – Strontium Ferrite (SrO·6Fe2O3) Typically, permanent ceramic magnets are made of strontium ferrite, which has a high coercivity rating and resistant to becoming demagnetized. Compared to other magnetic core materials, ceramic magnets are inexpensive and are widely used in heavy industrial applications. HSMAG utilizes ceramic [...]

Industrial Strength Magnetic Separators

Industrial Strength Magnetic Separators Industrial Strength Magnetic Separators are a safe, efficient product if handled properly. Learn the basics of proper magnet handling here. Magnetic separation and material handling process equipment for heavy industry From belt magnets to magnetic conveyors, HSMAG offers a wide range of magnetic equipment for mining & mineral processing, wood processing [...]

What Is Electromagnetic Lock and How It Works?

What Is Electromagnetic Lock and How It Works? What Is Electromagnetic Lock? An electromagnetic lock, magnetic lock, or maglock, is a locking device that consists of an electromagnet and an armature plate. It is a magnet that is created when an electrical current is passed through a solenoid (coiled wire wrapped around a metal core). [...]

New Asylum Research Accessory Enables Advanced Magnetics Research

New Asylum Research Accessory Enables Advanced Magnetics Research Under Both In-Plane and Out-of-Plane Applied Magnetic Fields Asylum Research announced their new MFP-3D Variable Field Module (VFM4) accessory for Atomic Force Microscopes (AFMs) which enable measurements under applied in-plane and out-of-plane magnetic fields in order to better understand their effects on nanoscale magnetic domain structure. The [...]

LINEAR VOICE COIL ACTUATORS

LINEAR VOICE COIL ACTUATORS If you are designing a linear motion system, there is a lot to gain by using direct drive voice coil actuators (VCA) technology. Our VCA’s shine in applications where precise control is necessary. Because our moving magnet voice coil actuators consist of a stationary coil and a moving permanent magnet assembly, [...]

TOP 5 INDUSTRIES FOR DIRECT DRIVE TORQUE MOTOR

TOP 5 INDUSTRIES FOR DIRECT DRIVE TORQUE MOTOR Magnetic Innovations is a solid global partner for the development and supply of direct drive torque motors. Their international customers come from a wide range of industries. Next to their customers, they also receive daily quote requests for their torque motor. This information was gathered and used [...]

Micropower Magnetic Node in Automotive and Industrial Applications

Micropower Magnetic Node from Melexis for Contactless 3D Sensing in Automotive and Industrial Applications November is Magnetic Sensing Month at Magnetics Magazine! Stay tuned and check the website frequently for new updates on the latest technology for magnetic sensing. Using its Triaxis magnetic sensing technology, Melexis has developed a new monolithic sensor for automotive and [...]

Magnetics Technology Flying Mission to the Sun

Magnetics technology is flying high, hot and cold in the European Space Agency’s Solar Orbiter mission to the sun. An extremely sensitive magnetometer built by Imperial College of London is a central element of the journey. A pair of specially configured Neodymium permanent-magnet micromotors from Maxon are also onboard playing a crucial supporting role, and [...]

Linear Actuator with Moving Magnet Offers Precise Positioning

Linear Actuator with Moving Magnet Offers Precise Positioning HSMAG Magnetics’ new Moving Magnet Voice Coil Actuator series allows for precise positioning to meet high accuracy requirements. When combined with smart drive electronics, this actuator can be controlled for speed and desired output force. HSMAG expertise in design of magnetic field circuits has resulted in a [...]

VOICE COIL ACTUATORS VS MOVING MAGNET ACTUATORS

VOICE COIL ACTUATORS VS MOVING MAGNET ACTUATORS Voice coil actuators have been around for many years, it is a type of direct drive linear motor. It consists of a permanent magnetic field assembly (permanent magnets and ferrous steel) and a coil assembly. Actuators are used for a wide range of applications. They compete most directly [...]

An Efficient and Optimal Moving Magnet Actuator for Active Vibration Control

An Efficient and Optimal Moving Magnet Actuator for Active Vibration Control Abstract: The need for fuel economy and emission restriction has led OEMs to put emphasis on different strategies which allow effective improvements in that field (engine downsizing, cylinder deactivation …). These new applications imply significant vibration increase, created by the engine and transmitted to [...]

Moving Magnet Actuators

Moving Magnet Actuators SERVOTUBE ELECTRIC CYLINDERS AS DIRECT DRIVE LINEAR SERVO ACTUATORS The Servotube Linear Actuator is based on the Servotube linear motor - but here a sliding guide is integrated, so that the actuator can be operated directly without additional mounting of a guide. In this point the Servotube Linear Actuator is similar to [...]

ELECTROMAGNETS / ELECTRIC HOLDING MAGNETS (EM)

ELECTROMAGNETS / ELECTRIC HOLDING MAGNETS (EM) Electromagnets or electric holding magnets develop their high attraction force towards magnetic materials when they are energized. The applications are manifold - wherever ferrous parts have to be fixed during processing or assembly, or ferrous parts have to be attracted or transported. However, electromagnets are most commonly used as [...]

Precise multi-pole magnetic component and manufacturing method thereof

Precise multi-pole magnetic component and manufacturing method thereof Abstract A method is proposed to manufacture a precise multi-pole magnetic component for using in magnetic encoders. A special layout of the circuit pattern is designed and formed on a printed circuit board (PCB). Alternate and regular magnetic field is induced according to Ampere's law after a [...]

Electro Holding Magnet – Things You Need to Know

Electro Holding Magnet – Things You Need to Know What Is A Holding Electromagnet? Holding electromagnets are used to attract and hold ferromagnetic pieces. The maximum force efficiency is achieved with the piece to be hold above the attraction’s face and in direct contact with both poles (outside pole and inside pole). How Does A [...]

Electromagnetic Transmissions Solenoids Holding Magnets

Electromagnetic Transmissions Solenoids Holding Magnets Solenoids for simple operation Single-acting solenoids are for common applications. The magnetic field delivered by the coil upon power-up attracts the core. Then, the nucleus becomes free again in the absence of current. They are thus available in different designs, folded sheet, square profiled, machined in the mass. Solenoids for [...]

Energise to Hold Electromagnets

Energise to Hold Electromagnets / standard Electromagnets / Solenoid/Electromagnet Electrical current is required to turn the magnet ON. Power is removed to turn the magnet OFF. Pull force conversion (approximate): 1kg = 10N = 2.2lb. The outer shell of the electro magnet is a sturdy bright nickel plated cylinder, passivated with body mounting. Designed for [...]

TECHNICAL EXPLANATIONS FOR ELECTROMAGNETIC HOLDING MAGNETS

TECHNICAL EXPLANATIONS FOR ELECTROMAGNETIC HOLDING MAGNETS Our products conform to the production standard DIN VDE0580 and are RoHS-compliant. TYPES OF HOLDING MAGNET Electromagnetic holding magnets: The ferromagnetic part is held in place on the holding magnet’s attraction surface when power is supplied to the coil. When the holding magnet is not powered, the electromagnetic force [...]

3D electromagnetic analysis and experimental verification of multi-pole magnetization BLDC motor

3D electromagnetic analysis and experimental verification of multi-pole magnetization BLDC motor ABSTRACT This paper presents a quasi-3D electromagnetic analysis of the multi-pole magnetization BLDC motor. The permanent magnet (PM) of a multi-pole magnetization BLDC motor has several poles in a magnet. The polar separation section of the multi-pole PM is implemented through the magnetization pattern [...]

Selecting the Right Electromagnet

Selecting the Right Electromagnet There are many variables that must be considered in the selection of a proper magnet. To help you get the best magnet for your application, we should have the following information: Surface of the Work Is it scaly, rough, flat, machined or of irregular shape? Size of the Work Give thickness, [...]

Solenoids

Electromagnet or solenoid are general terms for all types of electromagnetic actuators. Basically, electromagnets or solenoids are devices that generate a magnetic field by means of an energized coil, guiding it through suitable iron parts with air gap. Here, magnetic poles are created inbetween which a magnetic force of attraction, the magnetic force, prevails. If [...]

Electromagnetic Radiation Definition

Electromagnetic Radiation Definition Electromagnetic radiation is self-sustaining energy with electric and magnetic field components. Electromagnetic radiation is commonly referred to as "light", EM, EMR, or electromagnetic waves. The waves propagate through a vacuum at the speed of light. The oscillations of the electric and magnetic field components are perpendicular to each other and to the [...]

The Relationship Between Electricity and Magnetism

The Relationship Between Electricity and Magnetism Together, these two phenomena form the basis for electromagnetism Electricity and magnetism are separate yet interconnected phenomena associated with the electromagnetic force. Together, they form the basis for electromagnetism, a key physics discipline. Key Takeaways: Electricity and Magnetism Electricity and magnetism are two related phenomena produced by the electromagnetic [...]