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SM 32x350 [2xM8] / N52 - magnetic separator
magnetic separator
Catalog no 130461
GTIN/EAN: 5906301813323
Diameter Ø
32 mm [±1 mm]
Height
350 mm [±1 mm]
Weight
1940 g
Magnetic Flux
~ 10 000 Gauss [±5%]
1119.30 ZŁ with VAT / pcs + price for transport
910.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Strength as well as structure of a neodymium magnet can be reviewed on our
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Technical specification of the product - SM 32x350 [2xM8] / N52 - magnetic separator
Specification / characteristics - SM 32x350 [2xM8] / N52 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130461 |
| GTIN/EAN | 5906301813323 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 350 mm [±1 mm] |
| Weight | 1940 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 10 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 13 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 32x350 [2xM8] / N52
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 32 | mm |
| Total length | 350 | mm (L) |
| Active length | 314 | mm |
| Section count | 13 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~2139 | g |
| Active area | 316 | 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 (13 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 |
Other proposals
![UMH 25x8x45 [M5] / N38 - magnetic holder with hook](https://cdn3.dhit.pl/graphics/products/umh-25x8x45-m5-cep.jpg "UMH 25x8x45 [M5] / N38 - magnetic holder with hook")
Strengths and weaknesses of neodymium magnets.
Pros
- They retain attractive force for around ten years – the loss is just ~1% (in theory),
- They maintain their magnetic properties even under strong external field,
- In other words, due to the smooth layer of gold, the element gains a professional look,
- Magnetic induction on the surface of the magnet is strong,
- 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 potential of precise molding and adaptation to unique needs, neodymium magnets can be produced in a wide range of forms and dimensions, which increases their versatility,
- Key role in modern industrial fields – they are utilized in computer drives, electromotive mechanisms, precision medical tools, and multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer high power in tiny dimensions, which allows their use in miniature devices
Limitations
- Brittleness is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a strong case, which not only secures them against impacts but also raises their durability
- Neodymium magnets lose their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain durability even at temperatures up to 230°C
- Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
- Due to limitations in realizing nuts and complicated shapes in magnets, we propose using cover - magnetic mount.
- Possible danger to health – tiny shards of magnets are risky, when accidentally swallowed, which gains importance in the context of child safety. Additionally, small elements of these devices can disrupt the diagnostic process medical in case of swallowing.
- With large orders the cost of neodymium magnets is a challenge,
Holding force characteristics
Maximum holding power of the magnet – what it depends on?
- using a plate made of mild steel, functioning as a magnetic yoke
- with a thickness minimum 10 mm
- with an ground contact surface
- without any clearance between the magnet and steel
- for force acting at a right angle (pull-off, not shear)
- in stable room temperature
Magnet lifting force in use – key factors
- Gap (between the magnet and the metal), since even a microscopic clearance (e.g. 0.5 mm) results in a drastic drop in lifting capacity by up to 50% (this also applies to varnish, corrosion or debris).
- Pull-off angle – note that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
- Steel thickness – too thin steel does not accept the full field, causing part of the flux to be escaped into the air.
- Plate material – low-carbon steel attracts best. Alloy admixtures reduce magnetic permeability and lifting capacity.
- Plate texture – smooth surfaces ensure maximum contact, which increases field saturation. Uneven metal weaken the grip.
- Thermal factor – high temperature reduces pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under perpendicular forces, however under parallel forces the lifting capacity is smaller. In addition, even a minimal clearance between the magnet’s surface and the plate reduces the lifting capacity.
Precautions when working with NdFeB magnets
Finger safety
Big blocks can smash fingers instantly. Do not put your hand between two strong magnets.
Material brittleness
Despite metallic appearance, neodymium is delicate and not impact-resistant. Avoid impacts, as the magnet may crumble into sharp, dangerous pieces.
Skin irritation risks
It is widely known that the nickel plating (the usual finish) is a strong allergen. If your skin reacts to metals, refrain from direct skin contact and select versions in plastic housing.
Do not underestimate power
Use magnets consciously. Their immense force can shock even professionals. Stay alert and do not underestimate their force.
Threat to navigation
GPS units and mobile phones are highly susceptible to magnetism. Direct contact with a strong magnet can permanently damage the sensors in your phone.
Thermal limits
Regular neodymium magnets (N-type) lose power when the temperature surpasses 80°C. This process is irreversible.
Keep away from children
Only for adults. Tiny parts can be swallowed, leading to serious injuries. Keep out of reach of kids and pets.
Combustion hazard
Fire hazard: Neodymium dust is highly flammable. Do not process magnets without safety gear as this risks ignition.
Health Danger
Life threat: Strong magnets can deactivate heart devices and defibrillators. Stay away if you have electronic implants.
Magnetic media
Do not bring magnets close to a purse, computer, or screen. The magnetic field can destroy these devices and erase data from cards.
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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