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neodymium magnets

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SMZR 32x175 / N52 - magnetic separator with handle

magnetic separator with handle

Catalog no 140445

GTIN: 5906301813514

5

Diameter Ø [±0,1 mm]

32 mm

Height [±0,1 mm]

175 mm

Weight

1070 g

553.50 with VAT / pcs + price for transport

450.00 ZŁ net + 23% VAT / pcs

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SMZR 32x175 / N52 - magnetic separator with handle

Specification/characteristics SMZR 32x175 / N52 - magnetic separator with handle
properties
values
Cat. no.
140445
GTIN
5906301813514
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Diameter Ø
32 mm [±0,1 mm]
Height
175 mm [±0,1 mm]
Weight
1070 g [±0,1 mm]
Manufacturing Tolerance
± 0.1 mm

Magnetic properties of material N52

properties
values
units
coercivity bHc ?
860-995
kA/m
coercivity bHc ?
10.8-12.5
kOe
energy density [Min. - Max.] ?
380-422
BH max KJ/m
energy density [Min. - Max.] ?
48-53
BH max MGOe
remenance Br [Min. - Max.] ?
14.2-14.7
kGs
remenance Br [Min. - Max.] ?
1420-1470
T
actual internal force iHc
≥ 955
kA/m
actual internal force iHc
≥ 12
kOe
max. temperature ?
≤ 80
°C

Physical properties of NdFeB

properties
values
units
Vickers hardness
≥550
Hv
Density
≥7.4
g/cm3
Curie Temperature TC
312 - 380
°C
Curie Temperature TF
593 - 716
°F
Specific resistance
150
μΩ⋅Cm
Bending strength
250
Mpa
Compressive strength
1000~1100
Mpa
Thermal expansion parallel (∥) to orientation (M)
(3-4) x 106
°C-1
Thermal expansion perpendicular (⊥) to orientation (M)
-(1-3) x 10-6
°C-1
Young's modulus
1.7 x 104
kg/mm²

Shopping tips

Manual magnet separators with a handle can be used in diverse industrial uses, such as separating raw substances, cleaning production lines, or recovering metals within debris. They operate thanks to a powerful magnetic field, produced by ferrite magnetic cores, placed in a shell containing a grip, which makes handling easier and increases accuracy during work.

Advantages as well as disadvantages of neodymium magnets NdFeB.

In addition to their pulling strength, neodymium magnets provide the following advantages:

  • They retain their attractive force for almost ten years – the loss is just ~1% (according to analyses),
  • They show superior resistance to demagnetization from outside magnetic sources,
  • Thanks to the shiny finish and nickel coating, they have an elegant appearance,
  • They exhibit extremely high levels of magnetic induction near the outer area of the magnet,
  • These magnets tolerate high temperatures, often exceeding 230°C, when properly designed (in relation to form),
  • With the option for customized forming and personalized design, these magnets can be produced in various shapes and sizes, greatly improving engineering flexibility,
  • Wide application in advanced technical fields – they are utilized in HDDs, electric motors, healthcare devices and other advanced devices,
  • Relatively small size with high magnetic force – neodymium magnets offer impressive pulling strength in tiny dimensions, which makes them ideal in miniature devices

Disadvantages of neodymium magnets:

  • They may fracture when subjected to a powerful impact. If the magnets are exposed to external force, we recommend in a metal holder. The steel housing, in the form of a holder, protects the magnet from damage while also increases its overall durability,
  • High temperatures may significantly reduce the magnetic power of neodymium magnets. Typically, above 80°C, they experience permanent deterioration in performance (depending on size). To prevent this, we offer heat-resistant magnets marked [AH], capable of working up to 230°C, which makes them perfect for high-temperature use,
  • Magnets exposed to damp air can oxidize. Therefore, for outdoor applications, we suggest waterproof types made of rubber,
  • Using a cover – such as a magnetic holder – is advised due to the limitations in manufacturing fine shapes directly in the magnet,
  • Health risk linked to microscopic shards may arise, in case of ingestion, which is notable in the context of child safety. It should also be noted that small elements from these assemblies can hinder health screening when ingested,
  • High unit cost – neodymium magnets are costlier than other types of magnets (e.g., ferrite), which can restrict large-scale applications

Handle with Care: Neodymium Magnets

Neodymium magnets are primarily characterized by their significant internal force. They attract to each other, and any object that comes in their way will be affected.

Magnets will bounce and also contact together within a radius of several to around 10 cm from each other.

Magnets made of neodymium are particularly fragile, resulting in their breakage.

Neodymium magnets are extremely delicate, and by joining them in an uncontrolled manner, they will break. Neodymium magnets are made of metal and coated with a shiny nickel surface, but they are not as hard as steel. In the event of a collision between two magnets, there may be a scattering of fragments in different directions. Protecting your eyes is crucial in such a situation.

Do not bring neodymium magnets close to GPS and smartphones.

Magnetic fields interfere with compasses and magnetometers used in navigation for air and sea transport, as well as internal compasses of smartphones and GPS devices.

Neodymium magnets are over 10 times more powerful than ferrite magnets (the ones in speakers), and their strength can shock you.

Make sure to review all the information we have provided. This will help you avoid harm to your body and damage to the magnets.

Dust and powder from neodymium magnets are flammable.

Avoid drilling or mechanical processing of neodymium magnets. Once crushed into fine powder or dust, this material becomes highly flammable.

Keep neodymium magnets away from people with pacemakers.

Neodymium magnets generate very strong magnetic fields that can interfere with the operation of a pacemaker. This happens because such devices have a function to deactivate them in a magnetic field.

  Magnets are not toys, youngest should not play with them.

Not all neodymium magnets are toys, so do not let children play with them. In such a situation, surgery is necessary to remove them. In the worst case scenario, it can result in death.

If you have a nickel allergy, avoid contact with neodymium magnets.

Studies clearly indicate a small percentage of people who suffer from metal allergies such as nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, you can try wearing gloves or simply avoid direct contact with nickel-plated neodymium magnets.

Neodymium magnets can demagnetize at high temperatures.

Whilst Neodymium magnets can lose their magnetic properties at high temperatures, it's important to note that the extent of this effect can vary based on factors such as the magnet's material, shape, and intended application.

Do not place neodymium magnets near a computer HDD, TV, and wallet.

Neodymium magnets generate intense magnetic fields that can destroy magnetic media such as floppy disks, video tapes, HDDs, credit cards, magnetic ID cards, cassette tapes, or other devices. They can also destroy devices like video players, televisions, CRT computer monitors. Do not forget to keep neodymium magnets away from these electronic devices.

Exercise caution!

Please read the article - What danger lies in neodymium magnets? You will learn how to handle them properly.

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