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BM 700x180x75 [8xM10] - magnetic beam

magnetic beam

Catalog no 090472

GTIN/EAN: 5906301812616

5.00

length

700 mm [±1 mm]

Width

180 mm [±1 mm]

Height

75 mm [±1 mm]

Weight

35000 g

see properties »

6150.00 ZŁ with VAT / pcs + price for transport

5000.00 ZŁ net + 23% VAT / pcs

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Carbon Footprint – environmental impact GPSR Regulation – product safety
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Call us now +48 22 499 98 98 alternatively get in touch via our online form the contact page.
Lifting power along with form of neodymium magnets can be calculated with our our magnetic calculator.

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Detailed specification - BM 700x180x75 [8xM10] - magnetic beam

Specification / characteristics - BM 700x180x75 [8xM10] - magnetic beam

properties
properties values
Cat. no. 090472
GTIN/EAN 5906301812616
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 700 mm [±1 mm]
Width 180 mm [±1 mm]
Height 75 mm [±1 mm]
Weight 35000 g
Manufacturing Tolerance ±1 mm

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C
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 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²
Engineering data and GPSR
Material specification
iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%
Environmental data
recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 090472-2026
Magnet Unit Converter
Magnet pull force
Magnetic Induction
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A magnetic beam (plate separator) is a powerful industrial magnet in a stainless steel housing. It can also be mounted in a gravity channel down which raw material falls. Protects mills, crushers, and shredders from falling screws, excavator teeth, or hammers.
Ferrite is cheaper and has deeper field penetration, which is good with a thick layer of raw material. They work well in initial separation in recycling and mining. Neodymium versions are used for precise cleaning of raw material from small particles (food industry, plastics). The decision should be made based on the type of separated material and cleanliness requirements.
The construction is tightly welded from acid-resistant sheet, which guarantees tightness. This guarantees hygiene and ease of cleaning, which is crucial in the food industry. It can be safely used in contact with loose food (flour, sugar, grain).
Cleaning a plate separator (static) is done manually. Just drop attracted elements (screws, wires) outside the conveyor belt area. To facilitate, a cleaning overlay (dump drawer) can be used, which we offer as an option.
Yes, we are a manufacturer and make plate separators to any size. Dimensions and mounting system are agreed with the client at the design stage. Contact us to receive a free quote and technical drawing.

Pros as well as cons of neodymium magnets.

Advantages

Besides their immense pulling force, neodymium magnets offer the following advantages:
  • Their power remains stable, and after around ten years it decreases only by ~1% (according to research),
  • They maintain their magnetic properties even under external field action,
  • Thanks to the glossy finish, the layer of Ni-Cu-Ni, gold, or silver gives an modern appearance,
  • They feature high magnetic induction at the operating surface, which increases their power,
  • Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
  • In view of the possibility of free forming and customization to unique projects, magnetic components can be produced in a variety of forms and dimensions, which makes them more universal,
  • Key role in modern industrial fields – they serve a role in hard drives, electric drive systems, diagnostic systems, as well as industrial machines.
  • Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in small dimensions, which enables their usage in compact constructions

Disadvantages

Problematic aspects of neodymium magnets and proposals for their use:
  • To avoid cracks under impact, we recommend using special steel housings. Such a solution secures the magnet and simultaneously increases its durability.
  • When exposed to high temperature, neodymium magnets suffer a drop in force. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
  • They rust in a humid environment - during use outdoors we advise using waterproof magnets e.g. in rubber, plastic
  • Due to limitations in producing nuts and complicated forms in magnets, we recommend using casing - magnetic holder.
  • Possible danger to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which is particularly important in the context of child safety. Furthermore, small components of these products can complicate diagnosis medical in case of swallowing.
  • High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which can limit application in large quantities

Pull force analysis

Maximum lifting capacity of the magnet – what affects it?

Holding force of 0.00 kg is a theoretical maximum value conducted under the following configuration:
  • using a sheet made of low-carbon steel, functioning as a circuit closing element
  • possessing a thickness of minimum 10 mm to ensure full flux closure
  • characterized by smoothness
  • without the slightest insulating layer between the magnet and steel
  • for force applied at a right angle (pull-off, not shear)
  • in stable room temperature

Practical lifting capacity: influencing factors

In practice, the actual holding force is determined by several key aspects, ranked from crucial:
  • Air gap (betwixt the magnet and the metal), since even a very small clearance (e.g. 0.5 mm) results in a drastic drop in lifting capacity by up to 50% (this also applies to paint, corrosion or debris).
  • Direction of force – maximum parameter is available only during pulling at a 90° angle. The force required to slide of the magnet along the surface is usually several times smaller (approx. 1/5 of the lifting capacity).
  • Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of converting into lifting capacity.
  • Material composition – not every steel attracts identically. Alloy additives worsen the interaction with the magnet.
  • Smoothness – ideal contact is possible only on polished steel. Rough texture create air cushions, weakening the magnet.
  • Operating temperature – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity testing was performed on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under parallel forces the holding force is lower. In addition, even a small distance between the magnet’s surface and the plate reduces the load capacity.

Warnings
GPS and phone interference

GPS units and mobile phones are extremely susceptible to magnetism. Direct contact with a strong magnet can ruin the sensors in your phone.

Choking Hazard

Adult use only. Small elements can be swallowed, causing intestinal necrosis. Store away from children and animals.

Do not underestimate power

Before starting, check safety instructions. Sudden snapping can break the magnet or hurt your hand. Think ahead.

Life threat

Medical warning: Neodymium magnets can turn off pacemakers and defibrillators. Stay away if you have medical devices.

Nickel coating and allergies

Certain individuals have a hypersensitivity to nickel, which is the typical protective layer for neodymium magnets. Prolonged contact may cause a rash. It is best to wear protective gloves.

Magnetic media

Powerful magnetic fields can corrupt files on payment cards, hard drives, and storage devices. Keep a distance of min. 10 cm.

Material brittleness

Despite metallic appearance, neodymium is delicate and not impact-resistant. Avoid impacts, as the magnet may shatter into sharp, dangerous pieces.

Do not drill into magnets

Powder created during cutting of magnets is combustible. Avoid drilling into magnets unless you are an expert.

Serious injuries

Large magnets can crush fingers instantly. Under no circumstances place your hand betwixt two attracting surfaces.

Maximum temperature

Watch the temperature. Exposing the magnet above 80 degrees Celsius will destroy its magnetic structure and strength.

Security! Need more info? Read our article: Why are neodymium magnets dangerous?