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magnetic workholding

It has no sliding parts as ordinary permanent magnetic chuck, which results in a stable, firm and high-precision structure

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600*400 Electric permanet magnetic Chuck
DMEPC50

It’s a new-type magnetic chuck using electrical impulse to “ON” or “OFF” magnetic force. It’s quite safe and reliable for the chuck to clamp workpiece

400*400 Electric permanet magnetic Chuck
DMEPC50

A magnetically clamped mold is subject to neither deformations nor to inner tensions.The force is distributed uniformly through out the contact area,

800*400 Electric permanet magnetic Chuck
DMEPC50

It’s a new-type magnetic chuck using electrical impulse to “ON” or “OFF” magnetic force. It’s quite safe and reliable for the chuck to clamp workpiece

1000*400 Electric permanet magnetic Chuck
DMEPC50

It’s a new-type magnetic chuck using electrical impulse to “ON” or “OFF” magnetic force. It’s quite safe and reliable for the chuck to clamp workpiece

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Group of magnetic workholding has been presented above, want more magnetic workholding and work holding device , please contact us.

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mold change

quick mould change

quick mold change

quick clamp

change mold

die change

quick die clamp

quick die change

magnetic chuck

permanent-electro magnetic chuck

Electro-permanent magnetic Chuck

magnetic workholding

magnetic clamp

milling chuck

clamping device

Magnetic Applications

Magnetic Lifting

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magnetic workholding    

It has no sliding parts as ordinary permanent magnetic chuck, which results in a stable, firm and high-precision structure

Top of Form

600*400 Electric permanet magnetic Chuck
DMEPC50

It’s a new-type magnetic chuck using electrical impulse to “ON” or “OFF” magnetic force. It’s quite safe and reliable for the chuck to clamp workpiece

400*400 Electric permanet magnetic Chuck
DMEPC50

A magnetically clamped mold is subject to neither deformations nor to inner tensions.The force is distributed uniformly through out the contact area,

800*400 Electric permanet magnetic Chuck
DMEPC50

It’s a new-type magnetic chuck using electrical impulse to “ON” or “OFF” magnetic force. It’s quite safe and reliable for the chuck to clamp workpiece

1000*400 Electric permanet magnetic Chuck
DMEPC50

It’s a new-type magnetic chuck using electrical impulse to “ON” or “OFF” magnetic force. It’s quite safe and reliable for the chuck to clamp workpiece

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Group of magnetic workholding has been presented above, want more magnetic workholding and work holding device , please contact us.

Magnetics Glossary

Glossary of magnets

Anisotropic Magnet: A magnet has a preferred direction of magnetic orientation, so that the magnetic characteristics are optimum.

Coercive force, Hc: The demagnetizing force, measured in Oersted, necessary to reduce observed induction to zero after the magnet has previously been brought to saturation.

Curie temperature: The temperature at which the parallel alignment of elementary magnetic moments completely disappears, and the materials is no longer able to hold magnetization. 

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Flux: The condition existing in a medium subjected to a magnetizing force. This quantity is characterized by the fact that an electromotive force is induced in a conductor surrounding the flux at any time the flux changes in magnitude. The unit of flux in the GCS system is Maxwell. One Maxwell equals one volt x seconds.

Gauss, Gs: A unit of magnetic flux density in the GCS system; the lines of magnetic flux per square inch. 1 Gauss equals 0.0001 Tesla in the SI system.

Hysteresis Loop: A closed curve obtained for a material by plotting corresponding values off magnetic induction, B (on the abscissa), against magnetizing force, H (on the ordinate).

Induction, B: The magnetic flux per unit area of a section normal to the direction of flux. The unit of induction is Gauss in the GCS system

Intrinsic Coercive Force, Hci: An intrinsic ability of a material to resist demagnetization. Its value is measured in Oersted and corresponds to zero intrinsic induction in the material after saturation. Permanent magnets with high intrinsic coercive force are referred as “hard” permanent magnets, which are usually accompanied by high temperature stability.

Irreversible Loss: Defined as the partial demagnetization of a magnet caused by external fields or other factors. These losses are only recoverable by remagnetization. Magnets can be stabilized to prevent the variation of performance caused by irreversible losses.

Isotropic Magnets: A magnet material whose magnetic properties are the same in any direction, and which can therefore be magnetized in any direction without loss of magnetic characteristics.

Magnetic Flex: The total magnetic induction over a given area.

Magnetizing Force: the magnetomotive force per unit length at any point in a magnetic circuit. The unit of the magnetizing force is Oersted in the GCS system

Maximum Energy Product, (BH)max.: There is a point at the Hysteresis Loop at which the product of magnetizing force H and induction B reaches a maximum. The maximum value is called the Maximum Energy Product. At this point, the volume of magnet material required to project a given energy into its surrounding is a minimum. This parameter is generally used to describe how “strong” this permanent magnet material is. Its unit is Gauss Oersted. One MGOe means 1,000,000 Gauss Oersted.

Oersted, Oe: A unit of magnetizing force in GCS system. 1 Oersted equals 79.58 A/m in SI system.

Permeability, Recoil: The Average slope of the minor hysteresis loop.

Polymer-Bonding: Magnet powders are mixed with a polymer carrier matrix, such as epoxy. The magnets are formed in a certain shape, when the carrier is solidified.

Rare Earths: A family of elements with an atomic number from 57 to 71 plus 21 and 39. They are lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.

Remenance, Bd: The magnetic induction which remains in a magnetic circuit after the removal of an applied magnetizing force. If there is an air gap in the circuit, the remenance will be less than the residual induction, Br.

Reversible Temperature Coefficient: A measure of the reversible changes in flux caused by temperature variations.

Residual Induction, Br: A value of induction at the point at Hysteresis Loop, at which Hysteresis loop crosses the B axis at zero magnetizing force. The Br represents the maximum magnetic flux density output of this material without an external magnetic field.

Saturation: A condition under which induction of a ferromagnetic material has reach its maximum value with the increase of applied magnetizing force. All elementary magnetic moments have become oriented in one direction at the saturation status.

Sintering: The bonding of powder compacts by the application of heat to enable one or more of several mechanisms of atom movement into the particle contact interfaces to occur; the mechanisms are: viscous flow, liquid phase solution-precipitation, surface diffusion, bulk diffusion, and evaporation-condensation. Densification is a usual result of sintering.

Surface Coatings: Unlike Samarium Cobalt, Alnico and ceramic materials, which are corrosion resistant, Neodymium Iron Boron magnets are susceptible to corrosion. Base upon of magnets’ applications, the following coatings can be chosen to apply on surfaces of Neodymium Iron Boron magnets.

Surface Coatings

 

Coating Performance

Coating Thickness

Corrosion-Resistant
in Salt Fog (Hr)

Color

PCT(Hr)
at120°C,2 atm,100%RH

Zn

> 8 µm

> 24

Silver

Color Zn

> 10 µm

> 72

multicolor

12

Ni-Cu-Ni

> 12 µm

> 72

Silver, Lustrous

24

Epoxy

15 – 30 µm

> 72

Black

Stability: An ability to resist to demagnetizing influences expected to be encountered in operation. These demagnetizing influences can be caused by high or low temperatures or by external magnetic fields.

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  • Sintered NdFeB magnets
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    • Sintered AlNiCo magnets
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    • Fridge magnets
  • Permanent lifting magnet
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    • Pot Magnets
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Neodymium, the Strongest Magnets Out There

. They are made primarily with the element neodymium, or Nd on the periodic table. With this element, magnets are now able to be made stronger, smaller and more affordable. All of these are great improvements are for people who work with big industrial magnets on down to people who just want to hang photos and drawings on their refrigerators.

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I hate it when I go to hang two pictures with the same magnet on my fridge and it isn’t strong enough. Then the magnet starts sliding down the front of the refrigerator and inevitably, one of the photos goes fluttering to the ground. So then I try to do the whole not-let-the-photos-overlap thing, hoping that will work. Well, it doesn’t. Then I look to see if my other magnets are holding up things that are really necessary. If they aren’t, I will steal the magnet for my current need.

Well, evStrongest Magnetserything on my fridge is there for a reason and I like it that way. I can think of two possible options in this situation: one, get more magnets, or two, get stronger magnets. Well, I might do both since I have more things I want to put up there. Neodymium magnets would be the perfect things to solve this problem. With the medium sized ones, you can practically hold up an entire magazine Magnets for sale .

You cannot possibly believe how strong these neodymium magnets are until you actually see them. Most of us just think of the little rinky-dink ones on the fridge. Well, if you haven’t seen neodymium magnets in Cup Magnets real life, I suggest finding some photos on the Internet of what they can do. You will see people handing from them. You will see quarter-sized magnets picking up a whole lot of junk off a garage floor. These magnets are very useful. magnets 

 

Magnets & Science Products

I don’t know about you, but science projects always amused me. I Neodymium Cube Magnets hated writing the report that went along with them, but I enjoyed making my display. One of the hardest parts with a science project was coming up with what to do. You want to be creative, but not so much so that you magnets for sale can’t find much information on what you chose. You start going through lists and lists and looking at what the teacher recommended.

There are many untapped science projects in the realm of magnets. People do things involving the solar system and our planet, but they never really go into the magnetic field of our world and other planets. The reason that a compass works and that we can use it to find our way is due to the magnetic field of the earth. Without that, with magnets for sale we would never know where we were going neodymium magnets.

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Do you know the difference between true north and magnetic north? True north never neodynium moves. Magnetic north, however, what causes our compasses to work, moves about 26 miles a year. Right now it is in northern Canada. If it continues to move at this rate, it will be in Siberia by the year 2050. This topic would make a great science project.

You can also do some really great science projects by neodynium making an electromagnet. This is when an electric current is run through a wire and thus a Neodymium Magnets field is produced. You can turn it on to pick things up and turn it off to let them go. This is great when magnets for sale dealing with moving and lifting very heavy metal objects neodymium magnets.

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