SMZR 32x100 / N52 - magnetic separator with handle
magnetic separator with handle
Catalog no 140237
GTIN: 5906301813453
Diameter Ø
32 mm [±1 mm]
Height
100 mm [±1 mm]
Weight
660 g
Magnetic Flux
~ 10 000 Gauss [±5%]
369.00 ZŁ with VAT / pcs + price for transport
300.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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SMZR 32x100 / N52 - magnetic separator with handle
Specification / characteristics SMZR 32x100 / N52 - magnetic separator with handle
| properties | values |
|---|---|
| Cat. no. | 140237 |
| GTIN | 5906301813453 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 32 mm [±1 mm] |
| Height | 100 mm [±1 mm] |
| Weight | 660 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 10 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM8 |
| Polarity | circumferential - 3 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 | T |
| 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 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 and disadvantages of Nd2Fe14B magnets.
Pros
- They do not lose strength, even after nearly 10 years – the drop in power is only ~1% (based on measurements),
- They feature excellent resistance to magnetism drop due to external magnetic sources,
- Thanks to the shiny finish, the layer of nickel, gold-plated, or silver gives an clean appearance,
- They are known for high magnetic induction at the operating surface, which affects their effectiveness,
- Due to their durability and thermal resistance, neodymium magnets can operate (depending on the form) even at high temperatures reaching 230°C or more...
- Thanks to freedom in shaping and the capacity to customize to client solutions,
- Significant place in advanced technology sectors – they serve a role in data components, motor assemblies, medical devices, also industrial machines.
- Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,
Limitations
- To avoid cracks under impact, we suggest using special steel housings. Such a solution protects the magnet and simultaneously improves its durability.
- When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size, as well as shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation and corrosion.
- Limited possibility of creating nuts in the magnet and complex shapes - preferred is casing - mounting mechanism.
- Potential hazard to health – tiny shards of magnets are risky, if swallowed, which is particularly important in the context of child safety. Additionally, small components of these magnets can complicate diagnosis medical after entering the body.
- High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Lifting parameters
Magnetic strength at its maximum – what contributes to it?
- using a base made of low-carbon steel, serving as a ideal flux conductor
- with a cross-section minimum 10 mm
- with an polished touching surface
- under conditions of ideal adhesion (surface-to-surface)
- during pulling in a direction vertical to the mounting surface
- at conditions approx. 20°C
Determinants of practical lifting force of a magnet
- Gap between surfaces – every millimeter of separation (caused e.g. by varnish or unevenness) diminishes the pulling force, often by half at just 0.5 mm.
- Direction of force – highest force is available only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is standardly many times smaller (approx. 1/5 of the lifting capacity).
- Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Paper-thin metal limits the lifting capacity (the magnet "punches through" it).
- Plate material – mild steel attracts best. Alloy admixtures reduce magnetic properties and holding force.
- Plate texture – ground elements guarantee perfect abutment, which improves force. Rough surfaces reduce efficiency.
- Temperature influence – hot environment weakens pulling force. Too high temperature can permanently damage the magnet.
Lifting capacity was assessed by applying a smooth steel plate of optimal thickness (min. 20 mm), under vertically applied 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’s surface and the plate decreases the load capacity.
Heat warning
Standard neodymium magnets (grade N) undergo demagnetization when the temperature goes above 80°C. Damage is permanent.
Crushing force
Mind your fingers. Two large magnets will join instantly with a force of massive weight, crushing everything in their path. Exercise extreme caution!
Keep away from electronics
An intense magnetic field interferes with the operation of magnetometers in smartphones and GPS navigation. Keep magnets close to a device to avoid breaking the sensors.
Life threat
Life threat: Neodymium magnets can turn off pacemakers and defibrillators. Stay away if you have medical devices.
Electronic hazard
Intense magnetic fields can destroy records on payment cards, hard drives, and storage devices. Stay away of at least 10 cm.
Metal Allergy
It is widely known that the nickel plating (the usual finish) is a strong allergen. If you have an allergy, avoid touching magnets with bare hands and choose encased magnets.
Combustion hazard
Fire hazard: Rare earth powder is highly flammable. Avoid machining magnets in home conditions as this may cause fire.
Eye protection
Watch out for shards. Magnets can fracture upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.
Handling guide
Handle with care. Rare earth magnets attract from a long distance and snap with massive power, often faster than you can react.
Do not give to children
Always keep magnets out of reach of children. Choking hazard is significant, and the consequences of magnets clamping inside the body are very dangerous.
