![Separation magnetic rod SM 18x175 [2xM5] / N42](https://cdn3.dhit.pl/graphics/banners/magnet.webp "Separation magnetic rod SM 18x175 [2xM5] / N42")
![SM 18x175 [2xM5] / N42 - magnetic separator](https://cdn3.dhit.pl/graphics/products/sm-18x175-2xm5-rov.jpg)
SM 18x175 [2xM5] / N42 - magnetic separator
magnetic separator
Catalog no 130272
GTIN/EAN: 5906301812746
Diameter Ø
18 mm [±1 mm]
Height
175 mm [±1 mm]
Weight
0.01 g
Magnetic Flux
~ 5 400 Gauss [±5%]
387.45 ZŁ with VAT / pcs + price for transport
315.00 ZŁ net + 23% VAT / pcs
bulk discounts:
Need more?
Pick up the phone and ask
+48 22 499 98 98
or drop us a message by means of
form
the contact section.
Specifications along with structure of magnets can be calculated using our
force calculator.
Orders submitted before 14:00 will be dispatched today!
Technical details - SM 18x175 [2xM5] / N42 - magnetic separator
Specification / characteristics - SM 18x175 [2xM5] / N42 - magnetic separator
| properties | values |
|---|---|
| Cat. no. | 130272 |
| GTIN/EAN | 5906301812746 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Diameter Ø | 18 mm [±1 mm] |
| Height | 175 mm [±1 mm] |
| Weight | 0.01 g |
| Material Type | Stainless steel AISI 304 / A2 |
| Magnetic Flux | ~ 5 400 Gauss [±5%] |
| Size/Mount Quantity | 2xM5 |
| Polarity | circumferential - 8 poles |
| Casing Tube Thickness | 1 mm |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N42
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 12.9-13.2 | kGs |
| remenance Br [min. - max.] ? | 1290-1320 | mT |
| coercivity bHc ? | 10.8-12.0 | kOe |
| coercivity bHc ? | 860-955 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 40-42 | BH max MGOe |
| energy density [min. - max.] ? | 318-334 | 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 18x175 [2xM5] / N42
| Parameter | Value | Description / Unit |
|---|---|---|
| Diameter (Ø) | 18 | mm |
| Total length | 175 | mm (L) |
| Active length | 139 | mm |
| Section count | 6 | modules |
| Dead zone | 36 | mm (2x 18mm starter) |
| Weight (est.) | ~338 | g |
| Active area | 79 | 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) | 3.8 | kg (theor.) |
| Induction (surface) | ~5 400 | Gauss (Max) |
Chart 2: Field profile (6 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 |
Check out also deals
![SM 18x125 [2xM5] / N42 - magnetic separator](https://cdn3.dhit.pl/graphics/products/sm-18x125-2xm5-cij.jpg "SM 18x125 [2xM5] / N42 - magnetic separator")
Advantages and disadvantages of rare earth magnets.
Strengths
- They have constant strength, and over more than 10 years their attraction force decreases symbolically – ~1% (in testing),
- Neodymium magnets are exceptionally resistant to magnetic field loss caused by external magnetic fields,
- Thanks to the smooth finish, the layer of nickel, gold, or silver-plated gives an clean appearance,
- Neodymium magnets ensure maximum magnetic induction on a their surface, which allows for strong attraction,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
- Thanks to flexibility in shaping and the capacity to modify to individual projects,
- Versatile presence in high-tech industry – they find application in magnetic memories, electromotive mechanisms, precision medical tools, also other advanced devices.
- Thanks to their power density, small magnets offer high operating force, with minimal size,
Weaknesses
- They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields the magnet but also increases its resistance to damage
- When exposed to high temperature, neodymium magnets experience 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
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
- We suggest cover - magnetic mechanism, due to difficulties in producing nuts inside the magnet and complicated shapes.
- Potential hazard to health – tiny shards of magnets pose a threat, when accidentally swallowed, which gains importance in the context of child safety. It is also worth noting that small components of these devices can disrupt the diagnostic process 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
Pull force analysis
Breakaway strength of the magnet in ideal conditions – what affects it?
- with the contact of a sheet made of special test steel, ensuring full magnetic saturation
- possessing a thickness of min. 10 mm to ensure full flux closure
- with an ideally smooth contact surface
- with zero gap (without paint)
- under perpendicular force direction (90-degree angle)
- in stable room temperature
What influences lifting capacity in practice
- Clearance – existence of any layer (paint, tape, gap) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
- Force direction – declared lifting capacity refers to pulling vertically. When applying parallel force, the magnet exhibits significantly lower power (often approx. 20-30% of nominal force).
- Plate thickness – too thin steel does not accept the full field, causing part of the power to be lost into the air.
- Metal type – not every steel attracts identically. Alloy additives worsen the interaction with the magnet.
- Smoothness – ideal contact is possible only on smooth steel. Rough texture create air cushions, weakening the magnet.
- Temperature influence – high temperature reduces magnetic field. Exceeding the limit temperature can permanently damage the magnet.
Lifting capacity was determined by applying a smooth steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, whereas under shearing force the holding force is lower. Moreover, even a small distance between the magnet and the plate reduces the load capacity.
Precautions when working with neodymium magnets
Power loss in heat
Watch the temperature. Heating the magnet above 80 degrees Celsius will ruin its magnetic structure and strength.
Warning for allergy sufferers
Some people suffer from a hypersensitivity to nickel, which is the typical protective layer for neodymium magnets. Prolonged contact might lead to a rash. We suggest use protective gloves.
Pacemakers
Health Alert: Strong magnets can deactivate heart devices and defibrillators. Stay away if you have medical devices.
Threat to navigation
Be aware: rare earth magnets produce a field that disrupts precision electronics. Keep a separation from your phone, tablet, and GPS.
No play value
Absolutely keep magnets out of reach of children. Risk of swallowing is significant, and the consequences of magnets clamping inside the body are fatal.
Respect the power
Be careful. Rare earth magnets act from a distance and connect with massive power, often quicker than you can react.
Protect data
Data protection: Neodymium magnets can damage data carriers and delicate electronics (pacemakers, medical aids, mechanical watches).
Beware of splinters
Protect your eyes. Magnets can fracture upon violent connection, ejecting shards into the air. Wear goggles.
Mechanical processing
Dust generated during grinding of magnets is combustible. Do not drill into magnets unless you are an expert.
Crushing force
Large magnets can smash fingers in a fraction of a second. Do not place your hand between two attracting surfaces.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
Rate the product
Your rating