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SM 32x375 [2xM8] / N52 - magnetic separator
magnetic separator
Catalog no 130462
GTIN/EAN: 5906301813330
Diameter Ø
32 mm [±1 mm]
Height
375 mm [±1 mm]
Weight
2075 g
Magnetic Flux
~ 10 000 Gauss [±5%]
1316.10 ZŁ with VAT / pcs + price for transport
1070.00 ZŁ net + 23% VAT / pcs
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Technical details - SM 32x375 [2xM8] / N52 - magnetic separator
Specification / characteristics - SM 32x375 [2xM8] / N52 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130462 |
| GTIN/EAN | 5906301813330 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 375 mm [±1 mm] |
| Weight | 2075 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 10 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 14 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 32x375 [2xM8] / N52
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 32 | mm |
| Total length | 375 | mm (L) |
| Active length | 339 | mm |
| Section count | 14 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~2292 | g |
| Active area | 341 | 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 (14 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% |
Environmental data
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Pros as well as cons of neodymium magnets.
Benefits
- They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (based on calculations),
- They show high resistance to demagnetization induced by external magnetic fields,
- By covering with a smooth coating of gold, the element acquires an nice look,
- Magnets are distinguished by impressive magnetic induction on the outer side,
- 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 precise shaping as well as modifying to atypical conditions,
- Universal use in modern industrial fields – they are utilized in computer drives, electric drive systems, medical equipment, and technologically advanced constructions.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which enables their usage in miniature devices
Limitations
- They are fragile upon heavy impacts. To avoid cracks, it is worth protecting magnets using a steel holder. Such protection not only protects the magnet but also increases its resistance to damage
- When exposed to high temperature, neodymium magnets suffer a drop in strength. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
- We suggest a housing - magnetic mount, due to difficulties in producing threads inside the magnet and complicated shapes.
- Possible danger to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Additionally, tiny parts of these magnets can be problematic in diagnostics medical in case of swallowing.
- Due to expensive raw materials, their price exceeds standard values,
Holding force characteristics
Maximum holding power of the magnet – what contributes to it?
- using a base made of mild steel, acting as a circuit closing element
- possessing a thickness of minimum 10 mm to ensure full flux closure
- with an ideally smooth contact surface
- with direct contact (no coatings)
- under vertical force direction (90-degree angle)
- at ambient temperature room level
Key elements affecting lifting force
- Distance – existence of any layer (paint, tape, air) acts as an insulator, which lowers capacity rapidly (even by 50% at 0.5 mm).
- Pull-off angle – remember that the magnet has greatest strength perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the maximum value.
- Metal thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
- Material type – the best choice is pure iron steel. Cast iron may generate lower lifting capacity.
- Surface structure – the smoother and more polished the surface, the better the adhesion and higher the lifting capacity. Unevenness acts like micro-gaps.
- Thermal environment – heating the magnet causes a temporary drop of induction. Check the thermal limit for a given model.
Lifting capacity was assessed using a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, whereas under shearing force the load capacity is reduced by as much as 75%. Additionally, even a slight gap between the magnet and the plate decreases the lifting capacity.
Safety rules for work with NdFeB magnets
Machining danger
Dust created during machining of magnets is combustible. Do not drill into magnets unless you are an expert.
Heat warning
Do not overheat. Neodymium magnets are susceptible to heat. If you need operation above 80°C, look for HT versions (H, SH, UH).
Safe operation
Use magnets consciously. Their powerful strength can shock even experienced users. Plan your moves and respect their power.
This is not a toy
Neodymium magnets are not intended for children. Accidental ingestion of a few magnets can lead to them attracting across intestines, which constitutes a critical condition and necessitates immediate surgery.
Electronic hazard
Very strong magnetic fields can corrupt files on credit cards, HDDs, and storage devices. Stay away of min. 10 cm.
Magnet fragility
Watch out for shards. Magnets can explode upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.
ICD Warning
Patients with a pacemaker have to maintain an absolute distance from magnets. The magnetism can disrupt the operation of the life-saving device.
Keep away from electronics
A strong magnetic field disrupts the operation of compasses in phones and GPS navigation. Maintain magnets close to a device to prevent breaking the sensors.
Avoid contact if allergic
Certain individuals suffer from a sensitization to nickel, which is the typical protective layer for neodymium magnets. Prolonged contact may cause dermatitis. We suggest wear safety gloves.
Bone fractures
Big blocks can smash fingers in a fraction of a second. Never place your hand between two strong magnets.
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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