SMZR 25x175 / N52 - magnetic separator with handle
magnetic separator with handle
Catalog no 140443
GTIN/EAN: 5906301813491
Diameter Ø
25 mm [±1 mm]
Height
175 mm [±1 mm]
Weight
0.01 g
Magnetic Flux
~ 8 500 Gauss [±5%]
492.00 ZŁ with VAT / pcs + price for transport
400.00 ZŁ net + 23% VAT / pcs
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Technical data - SMZR 25x175 / N52 - magnetic separator with handle
Specification / characteristics - SMZR 25x175 / N52 - magnetic separator with handle
| properties | values |
|---|---|
| Cat. no. | 140443 |
| GTIN/EAN | 5906301813491 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 25 mm [±1 mm] |
| Height | 175 mm [±1 mm] |
| Weight | 0.01 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 8 500 Gauss [±5%] |
| Size/Mount Quantity | M8x2 |
| Polarity | circumferential - 6 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 |
Table 1: Rod construction
SMZR 25x175 / N52
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 25 | mm |
| Total length | 175 | mm (L) |
| Active length | 155 | mm |
| Section count | 6 | modules |
| Dead zone | 20 | mm (Blaszka 2mm + Gwint 18mm) |
| Weight (est.) | ~653 | g |
| Active area | 122 | 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) | 18.1 | kg (theor.) |
| Induction (surface) | ~8 500 | Gauss (Max) |
Chart 2: Field profile (6 sections)
Chart 3: Temperature performance
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 |
Other products
Strengths and weaknesses of Nd2Fe14B magnets.
Strengths
- They retain magnetic properties for around 10 years – the drop is just ~1% (in theory),
- They are resistant to demagnetization induced by presence of other magnetic fields,
- By using a shiny layer of nickel, the element gains an elegant look,
- Magnetic induction on the working layer of the magnet is very high,
- Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
- Possibility of detailed creating as well as modifying to precise requirements,
- Fundamental importance in electronics industry – they find application in hard drives, motor assemblies, medical devices, also other advanced devices.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Weaknesses
- They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only protects the magnet but also increases its resistance to damage
- We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
- Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
- We suggest a housing - magnetic mechanism, due to difficulties in producing threads inside the magnet and complex shapes.
- Possible danger related to microscopic parts of magnets can be dangerous, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, small elements of these products can disrupt the diagnostic process medical after entering the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which hinders application in large quantities
Lifting parameters
Highest magnetic holding force – what it depends on?
- using a sheet made of high-permeability steel, serving as a magnetic yoke
- whose thickness reaches at least 10 mm
- characterized by even structure
- under conditions of no distance (metal-to-metal)
- for force acting at a right angle (pull-off, not shear)
- at standard ambient temperature
Practical aspects of lifting capacity – factors
- Distance – the presence of foreign body (paint, dirt, air) interrupts the magnetic circuit, which reduces capacity steeply (even by 50% at 0.5 mm).
- Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the holding force drops drastically, often to levels of 20-30% of the maximum value.
- Wall thickness – thin material does not allow full use of the magnet. Part of the magnetic field passes through the material instead of generating force.
- Material composition – different alloys attracts identically. High carbon content worsen the attraction effect.
- Surface finish – full contact is obtained only on polished steel. Rough texture create air cushions, reducing force.
- Temperature influence – hot environment reduces pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of optimal thickness, under perpendicular forces, in contrast under parallel forces the load capacity is reduced by as much as fivefold. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the load capacity.
Warnings
Choking Hazard
Neodymium magnets are not toys. Eating multiple magnets may result in them attracting across intestines, which constitutes a severe health hazard and requires immediate surgery.
Magnetic media
Do not bring magnets near a purse, laptop, or screen. The magnetic field can destroy these devices and wipe information from cards.
Do not underestimate power
Before starting, check safety instructions. Sudden snapping can destroy the magnet or hurt your hand. Be predictive.
Life threat
Health Alert: Strong magnets can deactivate heart devices and defibrillators. Do not approach if you have medical devices.
Heat warning
Regular neodymium magnets (N-type) lose magnetization when the temperature exceeds 80°C. The loss of strength is permanent.
Skin irritation risks
Studies show that nickel (standard magnet coating) is a potent allergen. For allergy sufferers, refrain from touching magnets with bare hands or opt for encased magnets.
Magnet fragility
Watch out for shards. Magnets can fracture upon violent connection, ejecting shards into the air. Wear goggles.
Bodily injuries
Pinching hazard: The pulling power is so immense that it can cause hematomas, crushing, and broken bones. Protective gloves are recommended.
Dust explosion hazard
Combustion risk: Neodymium dust is explosive. Do not process magnets in home conditions as this risks ignition.
Magnetic interference
GPS units and smartphones are highly susceptible to magnetism. Direct contact with a strong magnet can decalibrate the sensors in your phone.
Tabela kosztu i czasu dostawy
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Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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