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SM 18x275 [2xM5] / N42 - magnetic separator
magnetic separator
Catalog no 130276
GTIN/EAN: 5906301812784
Diameter Ø
18 mm [±1 mm]
Height
275 mm [±1 mm]
Weight
0.01 g
Magnetic Flux
~ 5 400 Gauss [±5%]
608.85 ZŁ with VAT / pcs + price for transport
495.00 ZŁ net + 23% VAT / pcs
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Detailed specification - SM 18x275 [2xM5] / N42 - magnetic separator
Specification / characteristics - SM 18x275 [2xM5] / N42 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130276 |
| GTIN/EAN | 5906301812784 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 18 mm [±1 mm] |
| Height | 275 mm [±1 mm] |
| Weight | 0.01 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 5 400 Gauss [±5%] |
| Size/Mount Quantity | 2xM5 |
| Polarity | circumferential - 12 poles |
| Casing Tube Thickness | 1 mm |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N42
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 12.9-13.2 | kGs |
| remenance Br [min. - max.] ? | 1290-1320 | mT |
| coercivity bHc ? | 10.8-12.0 | kOe |
| coercivity bHc ? | 860-955 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 40-42 | BH max MGOe |
| energy density [min. - max.] ? | 318-334 | 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 18x275 [2xM5] / N42
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 18 | mm |
| Total length | 275 | mm (L) |
| Active length | 239 | mm |
| Section count | 10 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~532 | g |
| Active area | 135 | 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) | 3.8 | kg (theor.) |
| Induction (surface) | ~5 400 | Gauss (Max) |
Chart 2: Field profile (10 sections)
Chart 3: Temperature performance
Elemental analysis
| 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 |
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Strengths as well as weaknesses of Nd2Fe14B magnets.
Benefits
- They virtually do not lose strength, because even after ten years the performance loss is only ~1% (in laboratory conditions),
- Magnets effectively resist against loss of magnetization caused by external fields,
- In other words, due to the smooth surface of gold, the element becomes visually attractive,
- Neodymium magnets achieve maximum magnetic induction on a their surface, which ensures high operational effectiveness,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the shape) even at high temperatures reaching 230°C or more...
- Possibility of precise forming and optimizing to specific needs,
- Fundamental importance in advanced technology sectors – they are utilized in data components, brushless drives, diagnostic systems, also technologically advanced constructions.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which enables their usage in compact constructions
Limitations
- They are fragile upon heavy impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only shields the magnet but also improves its resistance to damage
- Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (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
- They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- Limited ability of creating nuts in the magnet and complicated forms - recommended is casing - magnetic holder.
- Potential hazard to health – tiny shards of magnets can be dangerous, if swallowed, which is particularly important in the context of child safety. Furthermore, small components of these devices can disrupt the diagnostic process medical after entering the body.
- Due to neodymium price, their price is higher than average,
Holding force characteristics
Highest magnetic holding force – what affects it?
- using a base made of high-permeability steel, serving as a ideal flux conductor
- with a thickness of at least 10 mm
- characterized by lack of roughness
- under conditions of no distance (surface-to-surface)
- for force acting at a right angle (pull-off, not shear)
- in neutral thermal conditions
Determinants of lifting force in real conditions
- Distance (betwixt the magnet and the metal), as even a very small distance (e.g. 0.5 mm) results in a reduction in force by up to 50% (this also applies to varnish, rust or debris).
- Force direction – catalog parameter refers to pulling vertically. When slipping, the magnet holds significantly lower power (typically approx. 20-30% of maximum force).
- Metal thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
- Chemical composition of the base – mild steel gives the best results. Alloy steels lower magnetic permeability and holding force.
- Surface finish – ideal contact is obtained only on polished steel. Any scratches and bumps reduce the real contact area, reducing force.
- Thermal environment – temperature increase results in weakening of induction. Check the maximum operating temperature for a given model.
Lifting capacity was assessed using a polished steel plate of optimal thickness (min. 20 mm), under perpendicular pulling force, however under shearing force the load capacity is reduced by as much as 75%. In addition, even a slight gap between the magnet and the plate reduces the load capacity.
H&S for magnets
Do not give to children
Absolutely keep magnets away from children. Risk of swallowing is significant, and the effects of magnets connecting inside the body are fatal.
Do not drill into magnets
Mechanical processing of neodymium magnets carries a risk of fire hazard. Neodymium dust reacts violently with oxygen and is hard to extinguish.
Power loss in heat
Control the heat. Heating the magnet above 80 degrees Celsius will destroy its magnetic structure and strength.
Compass and GPS
Note: neodymium magnets generate a field that disrupts precision electronics. Keep a safe distance from your phone, device, and GPS.
Cards and drives
Very strong magnetic fields can erase data on payment cards, hard drives, and storage devices. Keep a distance of min. 10 cm.
Magnets are brittle
NdFeB magnets are ceramic materials, which means they are fragile like glass. Clashing of two magnets will cause them shattering into small pieces.
Do not underestimate power
Before starting, check safety instructions. Uncontrolled attraction can break the magnet or injure your hand. Think ahead.
Bodily injuries
Protect your hands. Two powerful magnets will join immediately with a force of massive weight, crushing anything in their path. Be careful!
Medical implants
Warning for patients: Powerful magnets affect electronics. Keep at least 30 cm distance or ask another person to work with the magnets.
Skin irritation risks
Medical facts indicate that nickel (the usual finish) is a potent allergen. For allergy sufferers, avoid touching magnets with bare hands and select versions in plastic housing.
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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