Product groups
Magnets are flexible, easy to remove, non-positive fasteners. They are used e.g. on hatches as a safety unit against accidental opening. They are used in mechanical engineering and plant construction.

Industrial magnets from KIPP

KIPP offers you a wide range of diverse industrial magnets. A distinction is made between the different types e.g. deep pot magnets, round magnets, retention magnets or raw magnets. Depending on the type, they are particularly heat-resistant, have a high magnetic force or are extra strong permanent magnets. If you cannot find the appropriate magnet in our range, please contact us for an individual special solution. Select the appropriate solution for your application!

Depending on the type of magnet, a distinction can be made between shielded and unshielded systems. In unshielded systems, the magnetic core is exposed on all sides and is not surrounded by any non-magnetic layer. As a result, the magnet can deploy its full magnetic force on all sides. Shielded systems, on the other hand, enclose the magnetic core with a layer of non-magnetic material. In this way, the magnetic force effect can be directed in a specific direction.

Properties of industrial magnets from KIPP

There are various types of industrial magnets. They are made of different materials and have properties that are typical for the respective material. With its wide selection of permanent magnets, KIPP offers products with different temperature stability, magnetic force and corrosion resistance.

Description

Reference to designation

Weak ---------------------------------- Strong

Magnetic force

Magnetic remanence

Hard ferrite

AlNiCO

SmCo

NdFeB

Repeatable adsorption

Retention force

AlNiCo

Hard ferrite

SmCo

NdFeB

Mechanical strength

-

SmCo

Hard ferrite

NdFeB

AlNiCo

Corrosion resistance

-

NdFeB

AlNiCo

SmCo

Hard ferrite

Temperature stability

Material specific
Curie point

NdFeB

SmCo

Hard ferrite

AlNiCo

Material variants for magnets

Since each material has certain properties, it is advisable to select the respective magnet according to the application area and use.

Neodymium Magnets (NdFeB)

Neodymium-Iron-Boron magnets (NdFeB), or neodymium magnets for short, are currently the strongest permanent magnets available on the market. In addition to their high magnetic force, they are characterised by a high retaining force. The drawbacks of neodymium magnets is their low corrosion resistance and low temperature stability. As a result, neodymium magnets are mainly suited to applications with low temperatures.

Samarium-Cobalt Magnets (SmCo)

Samarium-Cobalt (SmCo) magnets consist of a samarium/cobalt alloy. They have the highest magnetic force after neodymium magnets. The retaining force is three to five times higher than that of AlNiCo magnets or hard ferrite magnets. Due to the high corrosion resistance, no separate surface treatment is necessary. However, low mechanical strength means that samarium-cobalt magnets break more easily and are therefore not suitable for applications with high mechanical forces.

Aluminium-Nickel-Cobalt Magnets (AlNiCo)

Magnets made of an aluminium-nickel-cobalt alloy (AlNiCo) are characterised by their high temperature stability and the associated heat resistance of up to 450 °C. They also have high mechanical strength, which qualifies them for applications with high mechanical forces. However, it should be noted that the retention forces of AlNiCo magnets are comparatively weak.

Hard Ferrite Magnets

Hard ferrite magnets consist of iron oxide and barium carbonate or strontium carbonate. This guarantees an above-average corrosion resistance and high temperature stability. This means they can be exposed to temperatures of up to 200 °C. However, the comparatively low magnetic force and mechanical strength must be taken into account when selecting the application area.

Magnets: Types and Shapes

Raw magnets

Raw magnets are always an unshielded system. All of these permanent magnet's surfaces exert a magnetic force. This means that raw magnets can be integrated into magnet systems or individual applications such as housings etc. as desired. Raw magnets are used, among other things, in machine tools and mechanical engineering, in aerospace and the automotive industry. KIPP has various types and shapes of raw magnets in its range.

Magnets made from Niodymium are: Disc form magnets with hole, Disc form magnets without hole and flat, square Block magnets. The magnets are electro zinc-plated and can be mounted by press-fit or gluing. The models with a hole can also be screwed down. Raw magnets made of neodymium can be used up to a temperature of 80 °C.

Raw magnets made from AlNiCo are also available. Included in the range are round bar magnets with untreated surfaces, and button magnets and horseshoe magnets, all painted red. They are characterised by their high temperature range of maximum 450 °C. The surface does not require any finishing due to the good corrosion resistance and they are installed by press-fit or gluing.

Deep pot magnets

Deep pot magnets have a core made from a permanent magnetic material. This core is separated from the housing by a non-magnetic material and a magnetic shielded system is created. KIPP deep pot magnets are used in e.g. mechanical engineering and metalworking industries as well as in electrical technology and the automotive industry.

Deep pot magnets with Samarium-Cobalt magnetic cores have a brass housing and are offered with no thread or, as a screw-on type magnet with a female thread. They are constructed as a sandwich magnet system. That is, two individual permanent magnets with a separating layer in between. To prevent loss of magnetic force due to a magnetic short circuit, these round magnets with a samarium-cobalt core must not be pressed directly into iron. As no demagnetisation occurs, SmCo deep pot magnets are particularly suitable for direct use with spot welding machines. KIPP has round deep pot magnets with a Neodymium magnetic core as magnets with a machined magnetic face and as standard versions without a machined magnetic face in its range. The machined magnetic face enables the deep pot magnet to be customised to your needs. Both models have a brass housing and are also constructed as a sandwich magnet system. Permanent magnets with a solid neodymium core must also never be pressed directly into iron. This will prevent a magnetic short circuit and the associated loss of magnetic force.

For applications where a certain fit tolerance is required, deep pot magnets with an AlNiCo magnetic core and steel housing are offered. They can be used at temperatures of up to 450 °C. Installation is carried out by press-fit, gluing or shrink-fit.

Shallow pot magnets

To achieve a shielded system, the magnetic core material is pressed or cast into a housing. There is a non-magnetic barrier placed between the magnet and the housing. Shallow pot magnets from KIPP are used in e.g. mechanical engineering, the automotive industry and metalworking industries.

Shallow pot magnet cores made of samarium cobalt have the advantage of having three to five times the magnetic attractive force of hard ferrite or AlNiCo cores. KIPP offers Samarium-Cobalt-shallow pot magnets as magnets with a countersunk hole and electro zinc-plated steel housings, or as magnets with a counterbore and stainless steel housing. Both models can be used at high temperatures. They are installed by gluing, screwing down, or pressing in.

Shallow pot magnets or flat magnets made of neodymium are available in various designs. With hooks, female thread, counterbore, threaded pin or shallow pot magnet with tapped bush. Thanks to the permanent magnetic material neodymium, the magnetic force is 10-20 % higher than that of SmCo magnets.

Magnets with protective rubber jackets

To protect sensitive surfaces, KIPP has magnets with a protective rubber sheath in its range. The protective rubber jacket is made of TPE or synthetic rubber. Areas of application include machine construction and electrical engineering.

KIPP sells rubberised neodymium magnets from the shallow pot magnet group. Available are round magnets with holes, female threads, tapped bushes and threaded pins. In the flat square version there are magnets with female thread and rubber protective jacket.

Deep pot magnets with rubberised magnetic faces are also available. Due to the threaded pin, this model is a magnet to screw on and has a stainless steel housing.

To retrofit existing shallow pot magnets, protective rubber caps can also be subsequently acquired.

Retaining magnets

Round retaining magnets from KIPP consist of a magnetic hard ferrite core surrounded by an ABS plastic jacket. Due to their structure, retaining magnets are particularly suitable for use on thin plates such as flipcharts, whiteboards or pinboards.
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