SM 19x225 [2xM6] / N50 - magnetic separator
magnetic separator
Catalog no 130241
GTIN/EAN: 5906301812708
Diameter Ø
19 mm [±1 mm]
Height
225 mm [±1 mm]
Weight
0.01 g
Magnetic Flux
~ 12 000 Gauss [±5%]
528.90 ZŁ with VAT / pcs + price for transport
430.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Product card - SM 19x225 [2xM6] / N50 - magnetic separator
Specification / characteristics - SM 19x225 [2xM6] / N50 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130241 |
| GTIN/EAN | 5906301812708 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 19 mm [±1 mm] |
| Height | 225 mm [±1 mm] |
| Weight | 0.01 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 12 000 Gauss [±5%] |
| Size/Mount Quantity | 2xM6 |
| Polarity | circumferential - 12 poles |
| Casing Tube Thickness | 0.5 mm |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N50
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 14-14.6 | kGs |
| remenance Br [min. - max.] ? | 1400-1460 | 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.] ? | 47-51 | BH max MGOe |
| energy density [min. - max.] ? | 374-406 | 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 19x225 [2xM6] / N50
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 19 | mm |
| Total length | 225 | mm (L) |
| Active length | 189 | mm |
| Section count | 8 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~485 | g |
| Active area | 113 | 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) | 20.8 | kg (theor.) |
| Induction (surface) | ~12 000 | Gauss (Max) |
Chart 2: Field profile (8 sections)
Chart 3: Temperature performance
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 |
Other products
Pros and cons of rare earth magnets.
Benefits
- They retain magnetic properties for nearly ten years – the loss is just ~1% (based on simulations),
- Neodymium magnets are highly resistant to loss of magnetic properties caused by external field sources,
- In other words, due to the glossy layer of nickel, the element looks attractive,
- They feature high magnetic induction at the operating surface, making them more effective,
- Due to their durability and thermal resistance, neodymium magnets can operate (depending on the form) even at high temperatures reaching 230°C or more...
- Due to the potential of free molding and customization to individualized requirements, neodymium magnets can be created in a broad palette of geometric configurations, which amplifies use scope,
- Fundamental importance in future technologies – they serve a role in data components, electric motors, medical devices, also industrial machines.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which allows their use in small systems
Cons
- They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only protects the magnet but also improves its resistance to damage
- When exposed to high temperature, neodymium magnets suffer a drop in strength. 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 start to rust. For applications outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation and corrosion.
- We suggest casing - magnetic mount, due to difficulties in producing nuts inside the magnet and complicated shapes.
- Health risk to health – tiny shards of magnets can be dangerous, in case of ingestion, which gains importance in the aspect of protecting the youngest. Furthermore, tiny parts of these devices can complicate diagnosis medical after entering the body.
- Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications
Holding force characteristics
Maximum holding power of the magnet – what it depends on?
- with the use of a yoke made of special test steel, guaranteeing maximum field concentration
- with a thickness minimum 10 mm
- with an ideally smooth contact surface
- without any insulating layer between the magnet and steel
- under perpendicular force direction (90-degree angle)
- in temp. approx. 20°C
Lifting capacity in real conditions – factors
- Air gap (betwixt the magnet and the plate), since even a very small clearance (e.g. 0.5 mm) results in a decrease in lifting capacity by up to 50% (this also applies to paint, rust or dirt).
- Loading method – catalog parameter refers to pulling vertically. When applying parallel force, the magnet holds significantly lower power (often approx. 20-30% of maximum force).
- Base massiveness – too thin steel does not accept the full field, causing part of the flux to be wasted into the air.
- Chemical composition of the base – mild steel attracts best. Alloy steels lower magnetic properties and lifting capacity.
- Surface finish – full contact is possible only on smooth steel. Rough texture create air cushions, reducing force.
- Thermal factor – hot environment reduces magnetic field. Exceeding the limit temperature can permanently damage the magnet.
Lifting capacity was determined using a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, in contrast under parallel forces the holding force is lower. Additionally, even a small distance between the magnet and the plate lowers the holding force.
Warnings
Combustion hazard
Combustion risk: Rare earth powder is explosive. Avoid machining magnets without safety gear as this risks ignition.
Sensitization to coating
Certain individuals experience a contact allergy to Ni, which is the common plating for NdFeB magnets. Prolonged contact can result in dermatitis. We suggest use protective gloves.
Maximum temperature
Keep cool. Neodymium magnets are susceptible to temperature. If you require resistance above 80°C, look for HT versions (H, SH, UH).
Warning for heart patients
People with a pacemaker must maintain an large gap from magnets. The magnetism can interfere with the functioning of the implant.
Magnet fragility
Neodymium magnets are ceramic materials, meaning they are very brittle. Collision of two magnets leads to them cracking into shards.
GPS Danger
Navigation devices and mobile phones are highly susceptible to magnetism. Direct contact with a powerful NdFeB magnet can decalibrate the sensors in your phone.
Adults only
Strictly keep magnets out of reach of children. Choking hazard is high, and the consequences of magnets connecting inside the body are tragic.
Serious injuries
Mind your fingers. Two large magnets will join immediately with a force of massive weight, destroying everything in their path. Exercise extreme caution!
Immense force
Handle with care. Rare earth magnets act from a long distance and snap with massive power, often quicker than you can react.
Electronic hazard
Avoid bringing magnets close to a purse, computer, or screen. The magnetism can destroy these devices and erase data from cards.
