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SM 32x325 [2xM8] / N52 - magnetic separator
magnetic separator
Catalog no 130460
GTIN/EAN: 5906301813316
Diameter Ø
32 mm [±1 mm]
Height
325 mm [±1 mm]
Weight
1800 g
Magnetic Flux
~ 10 000 Gauss [±5%]
1180.80 ZŁ with VAT / pcs + price for transport
960.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical - SM 32x325 [2xM8] / N52 - magnetic separator
Specification / characteristics - SM 32x325 [2xM8] / N52 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130460 |
| GTIN/EAN | 5906301813316 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 325 mm [±1 mm] |
| Weight | 1800 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 10 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 12 poles |
| Casing Tube Thickness | 1 mm |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N52
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 14.2-14.7 | kGs |
| remenance Br [min. - max.] ? | 1420-1470 | mT |
| coercivity bHc ? | 10.8-12.5 | kOe |
| coercivity bHc ? | 860-995 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 48-53 | BH max MGOe |
| energy density [min. - max.] ? | 380-422 | BH max KJ/m |
| max. temperature ? | ≤ 80 | °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 |
Table 1: Rod construction
SM 32x325 [2xM8] / N52
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 32 | mm |
| Total length | 325 | mm (L) |
| Active length | 289 | mm |
| Section count | 12 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~1986 | g |
| Active area | 291 | cm² (Area) |
| Housing material | AISI 304 | 1.4301 (Inox) |
| Surface finish | Ra < 0.8 µm | Polished |
| Temp. class | 80°C | Standard (N) |
| Force loss (at max °C) | -12.8% | Reversible loss (physics) |
| Force (calculated) | 41 | kg (theor.) |
| Induction (surface) | ~10 000 | Gauss (Max) |
Chart 2: Field profile (12 sections)
Chart 3: Temperature performance
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% |
Ecology and recycling (GPSR)
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
Other proposals
Pros as well as cons of rare earth magnets.
Pros
- They virtually do not lose power, because even after ten years the performance loss is only ~1% (based on calculations),
- Neodymium magnets prove to be extremely resistant to loss of magnetic properties caused by external magnetic fields,
- Thanks to the shiny finish, the plating of nickel, gold, or silver gives an professional appearance,
- Magnetic induction on the top side of the magnet turns out to be impressive,
- Thanks to resistance to high temperature, they are able to function (depending on the shape) even at temperatures up to 230°C and higher...
- Possibility of exact forming and modifying to specific applications,
- Wide application in modern technologies – they find application in hard drives, electric motors, precision medical tools, and industrial machines.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which enables their usage in small systems
Weaknesses
- Susceptibility to cracking is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a special holder, which not only protects them against impacts but also increases their durability
- NdFeB magnets lose strength when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
- We recommend casing - magnetic mount, due to difficulties in producing threads inside the magnet and complicated shapes.
- Potential hazard resulting from small fragments of magnets are risky, when accidentally swallowed, which is particularly important in the context of child health protection. Furthermore, small elements of these magnets are able to complicate diagnosis medical after entering the body.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which can limit application in large quantities
Pull force analysis
Maximum lifting force for a neodymium magnet – what contributes to it?
- using a plate made of low-carbon steel, serving as a ideal flux conductor
- possessing a thickness of min. 10 mm to avoid saturation
- characterized by smoothness
- with direct contact (no coatings)
- during pulling in a direction vertical to the plane
- in temp. approx. 20°C
Magnet lifting force in use – key factors
- Clearance – the presence of foreign body (paint, tape, air) acts as an insulator, which reduces power rapidly (even by 50% at 0.5 mm).
- Pull-off angle – note that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the nominal value.
- Steel thickness – too thin plate does not accept the full field, causing part of the power to be escaped into the air.
- Material type – ideal substrate is pure iron steel. Hardened steels may have worse magnetic properties.
- Smoothness – full contact is obtained only on polished steel. Any scratches and bumps create air cushions, weakening the magnet.
- Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they lose power, and in frost gain strength (up to a certain limit).
Holding force was tested on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, whereas under shearing force the holding force is lower. Moreover, even a slight gap between the magnet and the plate reduces the load capacity.
Warnings
Handling guide
Use magnets with awareness. Their immense force can surprise even experienced users. Plan your moves and respect their force.
Choking Hazard
Always keep magnets out of reach of children. Ingestion danger is high, and the consequences of magnets connecting inside the body are tragic.
Impact on smartphones
Note: rare earth magnets produce a field that interferes with precision electronics. Keep a separation from your phone, device, and navigation systems.
Permanent damage
Monitor thermal conditions. Heating the magnet above 80 degrees Celsius will permanently weaken its properties and strength.
ICD Warning
Medical warning: Neodymium magnets can turn off heart devices and defibrillators. Stay away if you have electronic implants.
Fragile material
Neodymium magnets are ceramic materials, which means they are fragile like glass. Impact of two magnets leads to them breaking into small pieces.
Cards and drives
Avoid bringing magnets near a wallet, computer, or TV. The magnetism can destroy these devices and wipe information from cards.
Skin irritation risks
It is widely known that the nickel plating (standard magnet coating) is a common allergen. If you have an allergy, prevent touching magnets with bare hands and select versions in plastic housing.
Dust explosion hazard
Powder created during machining of magnets is flammable. Avoid drilling into magnets unless you are an expert.
Hand protection
Watch your fingers. Two powerful magnets will snap together instantly with a force of massive weight, crushing everything in their path. Exercise extreme caution!
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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