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SM 32x150 [2xM8] / N42 - magnetic separator
magnetic separator
Catalog no 130297
GTIN/EAN: 5906301812906
Diameter Ø
32 mm [±1 mm]
Height
150 mm [±1 mm]
Weight
804 g
Magnetic Flux
~ 8 000 Gauss [±5%]
651.90 ZŁ with VAT / pcs + price for transport
530.00 ZŁ net + 23% VAT / pcs
370.00 ZŁ net was the lowest price in the last 30 days
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Technical - SM 32x150 [2xM8] / N42 - magnetic separator
Specification / characteristics - SM 32x150 [2xM8] / N42 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130297 |
| GTIN/EAN | 5906301812906 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 150 mm [±1 mm] |
| Weight | 804 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 8 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 5 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 32x150 [2xM8] / N42
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 32 | mm |
| Total length | 150 | mm (L) |
| Active length | 114 | mm |
| Section count | 4 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~917 | g |
| Active area | 115 | 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) | 26.2 | kg (theor.) |
| Induction (surface) | ~8 000 | Gauss (Max) |
Chart 2: Field profile (4 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 |
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Pros as well as cons of rare earth magnets.
Pros
- Their strength is maintained, and after around ten years it drops only by ~1% (according to research),
- They maintain their magnetic properties even under close interference source,
- The use of an refined finish of noble metals (nickel, gold, silver) causes the element to have aesthetics,
- They are known for high magnetic induction at the operating surface, which improves attraction properties,
- Thanks to resistance to high temperature, they are able to function (depending on the shape) even at temperatures up to 230°C and higher...
- Thanks to modularity in constructing and the ability to adapt to individual projects,
- Fundamental importance in high-tech industry – they are utilized in HDD drives, electric motors, precision medical tools, also multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which enables their usage in miniature devices
Disadvantages
- At strong impacts they can break, therefore we recommend placing them in steel cases. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
- Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material immune to moisture, in case of application outdoors
- We suggest a housing - magnetic holder, due to difficulties in creating threads inside the magnet and complicated forms.
- Potential hazard resulting from small fragments of magnets can be dangerous, if swallowed, which becomes key in the context of child health protection. It is also worth noting that tiny parts of these devices are able to complicate diagnosis medical when they are in the body.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Pull force analysis
Best holding force of the magnet in ideal parameters – what it depends on?
- with the application of a sheet made of special test steel, ensuring maximum field concentration
- possessing a massiveness of minimum 10 mm to ensure full flux closure
- with an polished contact surface
- under conditions of no distance (surface-to-surface)
- during pulling in a direction vertical to the plane
- at ambient temperature approx. 20 degrees Celsius
Key elements affecting lifting force
- Air gap (between the magnet and the plate), since even a very small distance (e.g. 0.5 mm) results in a drastic drop in force by up to 50% (this also applies to paint, corrosion or dirt).
- Force direction – catalog parameter refers to pulling vertically. When applying parallel force, the magnet holds much less (often approx. 20-30% of maximum force).
- Metal thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of generating force.
- Steel type – low-carbon steel gives the best results. Higher carbon content reduce magnetic permeability and holding force.
- Surface structure – the more even the plate, the larger the contact zone and higher the lifting capacity. Unevenness acts like micro-gaps.
- Thermal environment – heating the magnet results in weakening of force. Check the maximum operating temperature for a given model.
Lifting capacity was assessed with the use of a polished steel plate of suitable thickness (min. 20 mm), under perpendicular pulling force, whereas under parallel forces the holding force is lower. Additionally, even a small distance between the magnet’s surface and the plate lowers the holding force.
Precautions when working with neodymium magnets
Do not overheat magnets
Monitor thermal conditions. Exposing the magnet to high heat will ruin its properties and pulling force.
Threat to navigation
Navigation devices and smartphones are highly sensitive to magnetic fields. Direct contact with a powerful NdFeB magnet can permanently damage the internal compass in your phone.
Medical implants
People with a ICD must keep an large gap from magnets. The magnetic field can disrupt the operation of the implant.
Avoid contact if allergic
A percentage of the population suffer from a sensitization to Ni, which is the typical protective layer for NdFeB magnets. Frequent touching can result in dermatitis. We strongly advise wear protective gloves.
Cards and drives
Data protection: Neodymium magnets can ruin data carriers and sensitive devices (pacemakers, medical aids, mechanical watches).
Serious injuries
Large magnets can crush fingers instantly. Never put your hand between two strong magnets.
No play value
Always store magnets away from children. Choking hazard is significant, and the consequences of magnets clamping inside the body are very dangerous.
Shattering risk
Despite metallic appearance, the material is brittle and cannot withstand shocks. Avoid impacts, as the magnet may crumble into sharp, dangerous pieces.
Handling rules
Be careful. Rare earth magnets act from a long distance and snap with massive power, often faster than you can move away.
Dust explosion hazard
Fire warning: Rare earth powder is highly flammable. Do not process magnets in home conditions as this risks ignition.
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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