SMZR 25x150 / N52 - magnetic separator with handle
magnetic separator with handle
Catalog no 140234
GTIN/EAN: 5906301813422
Diameter Ø
25 mm [±1 mm]
Height
150 mm [±1 mm]
Weight
0.01 g
Magnetic Flux
~ 9 500 Gauss [±5%]
430.50 ZŁ with VAT / pcs + price for transport
350.00 ZŁ net + 23% VAT / pcs
bulk discounts:
Need more?Want to talk magnets?
Call us now
+48 22 499 98 98
alternatively send us a note by means of
form
the contact page.
Strength along with appearance of neodymium magnets can be calculated with our
magnetic mass calculator.
Order by 14:00 and we’ll ship today!
SMZR 25x150 / N52 - magnetic separator with handle
Specification / characteristics SMZR 25x150 / N52 - magnetic separator with handle
| properties | values |
|---|---|
| Cat. no. | 140234 |
| GTIN/EAN | 5906301813422 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 25 mm [±1 mm] |
| Height | 150 mm [±1 mm] |
| Weight | 0.01 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 9 500 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 |
Chemical composition
| 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 |
View more proposals
Strengths as well as weaknesses of neodymium magnets.
Benefits
- Their strength is maintained, and after around 10 years it decreases only by ~1% (according to research),
- Neodymium magnets are characterized by highly resistant to demagnetization caused by magnetic disturbances,
- In other words, due to the smooth finish of gold, the element looks attractive,
- They show high magnetic induction at the operating surface, which affects their effectiveness,
- Thanks to resistance to high temperature, they are capable of working (depending on the shape) even at temperatures up to 230°C and higher...
- Thanks to the ability of flexible shaping and adaptation to specialized requirements, magnetic components can be created in a wide range of geometric configurations, which expands the range of possible applications,
- Fundamental importance in high-tech industry – they are utilized in computer drives, electric drive systems, medical equipment, as well as modern systems.
- Relatively small size with high pulling force – neodymium magnets offer high power in tiny dimensions, which makes them useful in miniature devices
Weaknesses
- They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
- Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
- When exposed to humidity, magnets start to rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
- Due to limitations in creating nuts and complex forms in magnets, we recommend using casing - magnetic holder.
- Health risk related to microscopic parts of magnets pose a threat, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. It is also worth noting that tiny parts of these magnets are able to complicate diagnosis medical when they are in the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which hinders application in large quantities
Pull force analysis
Maximum lifting capacity of the magnet – what contributes to it?
- on a plate made of mild steel, optimally conducting the magnetic field
- with a cross-section no less than 10 mm
- with an ground contact surface
- under conditions of no distance (metal-to-metal)
- for force applied at a right angle (pull-off, not shear)
- at ambient temperature room level
Practical lifting capacity: influencing factors
- Distance – the presence of foreign body (rust, tape, air) acts as an insulator, which lowers capacity rapidly (even by 50% at 0.5 mm).
- Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the holding force drops drastically, often to levels of 20-30% of the maximum value.
- Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of converting into lifting capacity.
- Steel type – low-carbon steel gives the best results. Alloy steels decrease magnetic properties and lifting capacity.
- Base smoothness – the more even the surface, the better the adhesion and stronger the hold. Roughness creates an air distance.
- Thermal environment – heating the magnet causes a temporary drop of force. Check the thermal limit for a given model.
Holding force was measured on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, in contrast under shearing force the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet and the plate decreases the holding force.
Hand protection
Big blocks can smash fingers instantly. Never place your hand between two attracting surfaces.
Eye protection
Neodymium magnets are sintered ceramics, which means they are prone to chipping. Clashing of two magnets will cause them breaking into small pieces.
Implant safety
Health Alert: Strong magnets can turn off pacemakers and defibrillators. Do not approach if you have medical devices.
Dust is flammable
Dust created during grinding of magnets is self-igniting. Avoid drilling into magnets without proper cooling and knowledge.
Danger to the youngest
NdFeB magnets are not toys. Accidental ingestion of a few magnets may result in them connecting inside the digestive tract, which poses a severe health hazard and requires urgent medical intervention.
Keep away from electronics
A strong magnetic field interferes with the functioning of magnetometers in smartphones and navigation systems. Maintain magnets close to a smartphone to prevent damaging the sensors.
Heat sensitivity
Control the heat. Exposing the magnet to high heat will ruin its properties and strength.
Nickel coating and allergies
It is widely known that the nickel plating (standard magnet coating) is a strong allergen. For allergy sufferers, prevent direct skin contact or select coated magnets.
Electronic hazard
Equipment safety: Strong magnets can damage payment cards and delicate electronics (heart implants, hearing aids, timepieces).
Caution required
Before starting, check safety instructions. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.
