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SM 32x375 [2xM8] / N42 - magnetic separator
magnetic separator
Catalog no 130379
GTIN: 5906301813279
Diameter Ø
32 mm [±1 mm]
Height
375 mm [±1 mm]
Weight
2010 g
Magnetic Flux
~ 8 000 Gauss [±5%]
1119.30 ZŁ with VAT / pcs + price for transport
910.00 ZŁ net + 23% VAT / pcs
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SM 32x375 [2xM8] / N42 - magnetic separator
Specification / characteristics SM 32x375 [2xM8] / N42 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130379 |
| GTIN | 5906301813279 |
| 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 | 2010 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 8 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 14 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 | T |
| 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 106 | °C-1 |
| Thermal expansion perpendicular (⊥) to orientation (M) | -(1-3) x 10-6 | °C-1 |
| Young's modulus | 1.7 x 104 | kg/mm² |
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Advantages as well as disadvantages of NdFeB magnets.
Strengths
- They virtually do not lose strength, because even after 10 years the decline in efficiency is only ~1% (based on calculations),
- Neodymium magnets are distinguished by extremely resistant to loss of magnetic properties caused by external field sources,
- A magnet with a shiny gold surface looks better,
- Magnets exhibit impressive magnetic induction on the outer side,
- Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
- Possibility of custom modeling as well as adapting to complex applications,
- Significant place in advanced technology sectors – they serve a role in data components, electromotive mechanisms, medical equipment, also other advanced devices.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which enables their usage in miniature devices
Disadvantages
- Susceptibility to cracking is one of their disadvantages. Upon strong impact they can break. We advise keeping them in a special holder, which not only secures them against impacts but also raises their 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.
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material resistant to moisture, when using outdoors
- We suggest a housing - magnetic holder, due to difficulties in producing nuts inside the magnet and complicated shapes.
- Possible danger resulting from small fragments of magnets pose a threat, when accidentally swallowed, which is particularly important in the context of child health protection. It is also worth noting that small components of these magnets can complicate diagnosis medical in case of swallowing.
- Due to complex production process, their price exceeds standard values,
Holding force characteristics
Maximum holding power of the magnet – what it depends on?
- using a sheet made of mild steel, serving as a ideal flux conductor
- whose thickness reaches at least 10 mm
- with a surface perfectly flat
- without any air gap between the magnet and steel
- during detachment in a direction vertical to the plane
- in stable room temperature
Impact of factors on magnetic holding capacity in practice
- Distance (between the magnet and the metal), as even a tiny distance (e.g. 0.5 mm) results in a reduction in lifting capacity by up to 50% (this also applies to paint, corrosion or debris).
- Loading method – declared lifting capacity refers to pulling vertically. When slipping, the magnet exhibits much less (typically approx. 20-30% of maximum force).
- Metal thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of converting into lifting capacity.
- Steel grade – ideal substrate is high-permeability steel. Hardened steels may generate lower lifting capacity.
- Smoothness – full contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
- Thermal environment – heating the magnet results in weakening of force. Check the thermal limit 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 lifting capacity is smaller. Additionally, even a slight gap between the magnet and the plate decreases the holding force.
Hand protection
Large magnets can crush fingers in a fraction of a second. Never place your hand between two attracting surfaces.
Swallowing risk
Absolutely store magnets away from children. Choking hazard is significant, and the consequences of magnets connecting inside the body are tragic.
Eye protection
Despite the nickel coating, neodymium is brittle and not impact-resistant. Do not hit, as the magnet may shatter into sharp, dangerous pieces.
Medical implants
Patients with a heart stimulator must keep an large gap from magnets. The magnetism can interfere with the functioning of the implant.
Machining danger
Fire warning: Neodymium dust is explosive. Do not process magnets without safety gear as this may cause fire.
Threat to electronics
Powerful magnetic fields can destroy records on payment cards, hard drives, and storage devices. Keep a distance of at least 10 cm.
Nickel coating and allergies
Medical facts indicate that nickel (the usual finish) is a strong allergen. If you have an allergy, avoid direct skin contact and choose encased magnets.
Keep away from electronics
GPS units and smartphones are highly sensitive to magnetic fields. Direct contact with a powerful NdFeB magnet can ruin the internal compass in your phone.
Handling rules
Before use, read the rules. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.
Do not overheat magnets
Monitor thermal conditions. Heating the magnet to high heat will destroy its magnetic structure and pulling force.
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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