SMZR 32x175 / N52 - magnetic separator with handle
magnetic separator with handle
Catalog no 140445
GTIN/EAN: 5906301813514
Diameter Ø
32 mm [±1 mm]
Height
175 mm [±1 mm]
Weight
1070 g
Magnetic Flux
~ 10 000 Gauss [±5%]
553.50 ZŁ with VAT / pcs + price for transport
450.00 ZŁ net + 23% VAT / pcs
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Technical of the product - SMZR 32x175 / N52 - magnetic separator with handle
Specification / characteristics - SMZR 32x175 / N52 - magnetic separator with handle
| properties | values |
|---|---|
| Cat. no. | 140445 |
| GTIN/EAN | 5906301813514 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 175 mm [±1 mm] |
| Weight | 1070 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 10 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 5 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 |
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% |
Environmental data
| 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 Nd2Fe14B magnets.
Benefits
- They have stable power, and over around 10 years their performance decreases symbolically – ~1% (according to theory),
- Magnets perfectly protect themselves against loss of magnetization caused by foreign field sources,
- The use of an elegant finish of noble metals (nickel, gold, silver) causes the element to have aesthetics,
- Magnetic induction on the working part of the magnet is very high,
- Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
- Possibility of individual shaping and optimizing to defined requirements,
- Key role in innovative solutions – they are used in HDD drives, motor assemblies, advanced medical instruments, as well as complex engineering applications.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Cons
- Brittleness is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a special holder, which not only protects them against impacts but also increases their durability
- Neodymium magnets lose their force 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
- They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- Due to limitations in realizing threads and complicated forms in magnets, we propose using casing - magnetic mount.
- Potential hazard related to microscopic parts of magnets are risky, if swallowed, which becomes key in the context of child safety. It is also worth noting that tiny parts of these devices can complicate diagnosis medical after entering the body.
- High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which hinders application in large quantities
Lifting parameters
Maximum lifting force for a neodymium magnet – what it depends on?
- on a plate made of mild steel, effectively closing the magnetic field
- possessing a thickness of min. 10 mm to avoid saturation
- with a surface perfectly flat
- without the slightest air gap between the magnet and steel
- during detachment in a direction perpendicular to the mounting surface
- in neutral thermal conditions
Lifting capacity in practice – influencing factors
- Gap between surfaces – every millimeter of distance (caused e.g. by veneer or dirt) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
- Load vector – highest force is obtained only during perpendicular pulling. The force required to slide of the magnet along the plate is standardly many times smaller (approx. 1/5 of the lifting capacity).
- Wall thickness – the thinner the sheet, the weaker the hold. Part of the magnetic field passes through the material instead of converting into lifting capacity.
- Plate material – low-carbon steel gives the best results. Alloy steels lower magnetic permeability and lifting capacity.
- Surface quality – the smoother and more polished the plate, the better the adhesion and higher the lifting capacity. Roughness acts like micro-gaps.
- Temperature – heating the magnet results in weakening of force. It is worth remembering the thermal limit for a given model.
Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, whereas under attempts to slide the magnet the load capacity is reduced by as much as fivefold. In addition, even a minimal clearance between the magnet and the plate decreases the holding force.
Safety rules for work with NdFeB magnets
Dust is flammable
Machining of NdFeB material poses a fire hazard. Neodymium dust reacts violently with oxygen and is difficult to extinguish.
Power loss in heat
Control the heat. Exposing the magnet to high heat will permanently weaken its magnetic structure and pulling force.
Keep away from children
These products are not toys. Accidental ingestion of a few magnets can lead to them pinching intestinal walls, which poses a critical condition and requires urgent medical intervention.
Threat to navigation
A strong magnetic field disrupts the functioning of magnetometers in smartphones and navigation systems. Maintain magnets near a smartphone to avoid breaking the sensors.
Handling guide
Before use, check safety instructions. Sudden snapping can destroy the magnet or hurt your hand. Think ahead.
Risk of cracking
Despite the nickel coating, neodymium is brittle and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.
Protect data
Do not bring magnets close to a purse, laptop, or screen. The magnetism can destroy these devices and wipe information from cards.
Pinching danger
Pinching hazard: The pulling power is so great that it can cause blood blisters, pinching, and broken bones. Use thick gloves.
Medical interference
Medical warning: Neodymium magnets can turn off pacemakers and defibrillators. Stay away if you have medical devices.
Allergy Warning
Medical facts indicate that nickel (standard magnet coating) is a strong allergen. If your skin reacts to metals, prevent touching magnets with bare hands and opt for coated magnets.
Tabela kosztu i czasu dostawy
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