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SM 18x200 [2xM5] / N42 - magnetic separator
magnetic separator
Catalog no 130273
GTIN/EAN: 5906301812753
Diameter Ø
18 mm [±1 mm]
Height
200 mm [±1 mm]
Weight
0.01 g
Magnetic Flux
~ 5 400 Gauss [±5%]
442.80 ZŁ with VAT / pcs + price for transport
360.00 ZŁ net + 23% VAT / pcs
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Lifting power and appearance of neodymium magnets can be estimated on our
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Physical properties - SM 18x200 [2xM5] / N42 - magnetic separator
Specification / characteristics - SM 18x200 [2xM5] / N42 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130273 |
| GTIN/EAN | 5906301812753 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 18 mm [±1 mm] |
| Height | 200 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 - 9 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 18x200 [2xM5] / N42
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 18 | mm |
| Total length | 200 | mm (L) |
| Active length | 164 | mm |
| Section count | 7 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~387 | g |
| Active area | 93 | 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 (7 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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Strengths and weaknesses of rare earth magnets.
Pros
- They have constant strength, and over more than ten years their performance decreases symbolically – ~1% (in testing),
- Magnets effectively defend themselves against demagnetization caused by ambient magnetic noise,
- The use of an aesthetic coating of noble metals (nickel, gold, silver) causes the element to look better,
- The surface of neodymium magnets generates a maximum magnetic field – this is a distinguishing feature,
- Through (adequate) combination of ingredients, they can achieve high thermal resistance, allowing for action at temperatures reaching 230°C and above...
- Possibility of accurate shaping as well as modifying to precise conditions,
- Wide application in modern industrial fields – they find application in magnetic memories, electromotive mechanisms, diagnostic systems, also other advanced devices.
- Thanks to concentrated force, small magnets offer high operating force, with minimal size,
Disadvantages
- To avoid cracks under impact, we recommend using special steel housings. Such a solution protects the magnet and simultaneously improves its durability.
- We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
- They rust in a humid environment - during use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- We suggest cover - magnetic holder, due to difficulties in producing threads inside the magnet and complex forms.
- Health risk resulting from small fragments of magnets are risky, when accidentally swallowed, which gains importance in the context of child safety. It is also worth noting that small components of these products are able to complicate diagnosis medical in case of swallowing.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Lifting parameters
Optimal lifting capacity of a neodymium magnet – what affects it?
- with the use of a yoke made of low-carbon steel, guaranteeing maximum field concentration
- with a thickness of at least 10 mm
- with an polished touching surface
- without the slightest clearance between the magnet and steel
- during detachment in a direction vertical to the mounting surface
- at temperature room level
Practical lifting capacity: influencing factors
- Gap between surfaces – every millimeter of separation (caused e.g. by varnish or dirt) significantly weakens the pulling force, often by half at just 0.5 mm.
- Pull-off angle – note that the magnet has greatest strength perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the nominal value.
- Element thickness – for full efficiency, the steel must be adequately massive. Thin sheet limits the attraction force (the magnet "punches through" it).
- Material composition – not every steel attracts identically. Alloy additives worsen the attraction effect.
- Surface finish – ideal contact is possible only on polished steel. Rough texture reduce the real contact area, reducing force.
- Thermal factor – high temperature weakens pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under perpendicular forces, whereas under shearing force the lifting capacity is smaller. Moreover, even a slight gap between the magnet’s surface and the plate lowers the lifting capacity.
H&S for magnets
Danger to pacemakers
Warning for patients: Powerful magnets affect medical devices. Keep minimum 30 cm distance or ask another person to handle the magnets.
Nickel allergy
Certain individuals suffer from a hypersensitivity to nickel, which is the common plating for NdFeB magnets. Extended handling may cause skin redness. We suggest use safety gloves.
GPS and phone interference
GPS units and smartphones are extremely sensitive to magnetism. Direct contact with a strong magnet can decalibrate the sensors in your phone.
Powerful field
Use magnets with awareness. Their powerful strength can surprise even professionals. Stay alert and do not underestimate their force.
Data carriers
Do not bring magnets close to a purse, computer, or screen. The magnetism can permanently damage these devices and erase data from cards.
Protective goggles
Watch out for shards. Magnets can fracture upon violent connection, ejecting shards into the air. We recommend safety glasses.
Serious injuries
Mind your fingers. Two powerful magnets will join instantly with a force of massive weight, crushing anything in their path. Exercise extreme caution!
Power loss in heat
Monitor thermal conditions. Heating the magnet to high heat will destroy its properties and pulling force.
Combustion hazard
Mechanical processing of neodymium magnets poses a fire hazard. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.
No play value
Product intended for adults. Tiny parts can be swallowed, leading to intestinal necrosis. Store away from children and animals.
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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