Product available Ships tomorrow

MW 20x1.5 / N38 - cylindrical magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: PLN 1-6500
Rating: 5

cylindrical magnet

Catalog no 010039

GTIN/EAN: 5906301810384

5.00

Diameter Ø

20 mm [±0,1 mm]

Height

1.5 mm [±0,1 mm]

Weight

3.53 g

Magnetization Direction

↑ axial

Load capacity

0.97 kg / 9.50 N

Magnetic Induction

91.96 mT / 920 Gs

Coating

[NiCuNi] Nickel

see technical specifications »

1.574 ZŁ with VAT / pcs + price for transport

1.280 ZŁ net + 23% VAT / pcs

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Technical of the product - MW 20x1.5 / N38 - cylindrical magnet

Specification / characteristics - MW 20x1.5 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010039
GTIN/EAN	5906301810384
Production/Distribution	Dhit sp. z o.o. ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin	Poland / China / Germany
Customs code	85059029
Diameter Ø	20 mm [±0,1 mm]
Height	1.5 mm [±0,1 mm]
Weight	3.53 g
Magnetization Direction	↑ axial
Load capacity ~ ?	0.97 kg / 9.50 N
Magnetic Induction ~ ?	91.96 mT / 920 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 20x1.5 / N38 - cylindrical magnet

properties	values	units
remenance Br [min. - max.] ?	12.2-12.6	kGs
remenance Br [min. - max.] ?	1220-1260	mT
coercivity bHc ?	10.8-11.5	kOe
coercivity bHc ?	860-915	kA/m
actual internal force iHc	≥ 12	kOe
actual internal force iHc	≥ 955	kA/m
energy density [min. - max.] ?	36-38	BH max MGOe
energy density [min. - max.] ?	287-303	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

Engineering simulation of the magnet - report

Presented values are the direct effect of a physical calculation. Values rely on algorithms for the class Nd₂Fe₁₄B. Operational performance may differ from theoretical values. Please consider these calculations as a preliminary roadmap when designing systems.

Table 1: Static force (force vs distance) - power drop
MW 20x1.5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	920 Gs 92.0 mT	0.97 kg / 2.14 pounds 970.0 g / 9.5 N	low risk
1 mm	887 Gs 88.7 mT	0.90 kg / 1.99 pounds 902.2 g / 8.9 N	low risk
2 mm	832 Gs 83.2 mT	0.79 kg / 1.75 pounds 794.6 g / 7.8 N	low risk
3 mm	763 Gs 76.3 mT	0.67 kg / 1.47 pounds 667.4 g / 6.5 N	low risk
5 mm	606 Gs 60.6 mT	0.42 kg / 0.93 pounds 421.6 g / 4.1 N	low risk
10 mm	294 Gs 29.4 mT	0.10 kg / 0.22 pounds 99.5 g / 1.0 N	low risk
15 mm	144 Gs 14.4 mT	0.02 kg / 0.05 pounds 23.6 g / 0.2 N	low risk
20 mm	76 Gs 7.6 mT	0.01 kg / 0.01 pounds 6.7 g / 0.1 N	low risk
30 mm	28 Gs 2.8 mT	0.00 kg / 0.00 pounds 0.9 g / 0.0 N	low risk
50 mm	7 Gs 0.7 mT	0.00 kg / 0.00 pounds 0.1 g / 0.0 N	low risk

Pulling power drops significantly with every subsequent millimeter of gap. Note that every additional insulation layer (e.g., contamination, paint, rust) significantly diminishes the holding power. Neodymiums work optimally during direct contact; air break kills the force. Observe how quickly the parameters fall, when the magnet does not adhere directly to the metal substrate. When planning the assembly, discard additional spacers.

Table 2: Slippage force (vertical surface)
MW 20x1.5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.19 kg / 0.43 pounds 194.0 g / 1.9 N
1 mm	Stal (~0.2)	0.18 kg / 0.40 pounds 180.0 g / 1.8 N
2 mm	Stal (~0.2)	0.16 kg / 0.35 pounds 158.0 g / 1.5 N
3 mm	Stal (~0.2)	0.13 kg / 0.30 pounds 134.0 g / 1.3 N
5 mm	Stal (~0.2)	0.08 kg / 0.19 pounds 84.0 g / 0.8 N
10 mm	Stal (~0.2)	0.02 kg / 0.04 pounds 20.0 g / 0.2 N
15 mm	Stal (~0.2)	0.00 kg / 0.01 pounds 4.0 g / 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 2.0 g / 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N

The table below defines the theoretical weight limit required to start the slippage of the magnet downwards along a vertical steel wall (considering standard friction coefficient). This value is a function of the gap size between the magnet and the surface.

Table 3: Vertical assembly (sliding) - vertical pull
MW 20x1.5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.29 kg / 0.64 pounds 291.0 g / 2.9 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.19 kg / 0.43 pounds 194.0 g / 1.9 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.10 kg / 0.21 pounds 97.0 g / 1.0 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.49 kg / 1.07 pounds 485.0 g / 4.8 N

When mounting a holder on a upright plane (e.g., a fridge), it will maintain just about 20%-30% of its nominal power. Gravitational force and a weak degree of grip influence the fact that products slide down easier than they pull off. Want to create a hanger? Consider that the sliding force is noticeably lower than the perpendicular breakaway force. On a painted metal, the magnet will slip down under a much lighter weight. Utilizing a rubberized coating can significantly raise the stability.

Table 4: Material efficiency (saturation) - power losses
MW 20x1.5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.10 kg / 0.21 pounds 97.0 g / 1.0 N
1 mm	25%	0.24 kg / 0.53 pounds 242.5 g / 2.4 N
2 mm	50%	0.49 kg / 1.07 pounds 485.0 g / 4.8 N
3 mm	75%	0.73 kg / 1.60 pounds 727.5 g / 7.1 N
5 mm	100%	0.97 kg / 2.14 pounds 970.0 g / 9.5 N
10 mm	100%	0.97 kg / 2.14 pounds 970.0 g / 9.5 N
11 mm	100%	0.97 kg / 2.14 pounds 970.0 g / 9.5 N
12 mm	100%	0.97 kg / 2.14 pounds 970.0 g / 9.5 N

A too thin steel is incapable of focus the full magnetic flux, which squanders power of the magnet. If you mount a strong magnet to a thin surface, the field will penetrate right through and the attraction force will be weaker. To achieve 100% of this magnet's potential, you need a suitably thick backing of steel. The saturation phenomenon means that on sheet metal structures (e.g., car bodies), the holder shows lower pull force. We recommend selecting the steel thickness based on the following data.

Table 5: Working in heat (material behavior) - power drop
MW 20x1.5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	0.97 kg / 2.14 pounds 970.0 g / 9.5 N	OK
40 °C	-2.2%	0.95 kg / 2.09 pounds 948.7 g / 9.3 N	OK
60 °C	-4.4%	0.93 kg / 2.04 pounds 927.3 g / 9.1 N
80 °C	-6.6%	0.91 kg / 2.00 pounds 906.0 g / 8.9 N
100 °C	-28.8%	0.69 kg / 1.52 pounds 690.6 g / 6.8 N

Classic neodymiums irreversibly lose parameters after exceeding the maximum temperature. Watch out for overheating – high temperature can irreversibly damage this product. With increasing heat, the neodymium's capacity temporarily decreases. Refrain from using this magnet close to ovens exceeding its operating temperature limit. Exceeding the critical threshold will lead to irreversible degradation of magnetism.

*Technical advisory: Thermal stability is determined by both grade, as well as the dimension ratios. Thin magnets (low Pc) risk losing magnetic properties under lower heat stress than taller cylinders. Red status in the table points to permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 20x1.5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Sliding Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	1.64 kg / 3.61 pounds 1 781 Gs	0.25 kg / 0.54 pounds 246 g / 2.4 N	N/A
1 mm	1.59 kg / 3.51 pounds 1 813 Gs	0.24 kg / 0.53 pounds 239 g / 2.3 N	1.43 kg / 3.16 pounds ~0 Gs
2 mm	1.52 kg / 3.36 pounds 1 774 Gs	0.23 kg / 0.50 pounds 228 g / 2.2 N	1.37 kg / 3.02 pounds ~0 Gs
3 mm	1.44 kg / 3.17 pounds 1 724 Gs	0.22 kg / 0.48 pounds 216 g / 2.1 N	1.29 kg / 2.85 pounds ~0 Gs
5 mm	1.24 kg / 2.73 pounds 1 598 Gs	0.19 kg / 0.41 pounds 185 g / 1.8 N	1.11 kg / 2.45 pounds ~0 Gs
10 mm	0.71 kg / 1.57 pounds 1 212 Gs	0.11 kg / 0.24 pounds 107 g / 1.0 N	0.64 kg / 1.41 pounds ~0 Gs
20 mm	0.17 kg / 0.37 pounds 589 Gs	0.03 kg / 0.06 pounds 25 g / 0.2 N	0.15 kg / 0.33 pounds ~0 Gs
50 mm	0.00 kg / 0.01 pounds 88 Gs	0.00 kg / 0.00 pounds 1 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
60 mm	0.00 kg / 0.00 pounds 55 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
70 mm	0.00 kg / 0.00 pounds 36 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
80 mm	0.00 kg / 0.00 pounds 25 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
90 mm	0.00 kg / 0.00 pounds 18 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs
100 mm	0.00 kg / 0.00 pounds 13 Gs	0.00 kg / 0.00 pounds 0 g / 0.0 N	0.00 kg / 0.00 pounds ~0 Gs

Two strong neodymiums attract each other from a significantly greater distance than a magnet and sheet combination. The setup of two magnets creates a more powerful interaction and a wider radius of operation. Planning to create a solid fastener? Apply two magnets instead of one magnet and a striker plate. Exercise caution that when bringing together two magnets, the pinch force is huge. The repulsion force is a bit weaker than the attraction, but still impressive.
*Flux density between like poles is approximately ~0 Gs at the midpoint between the magnets (caused by magnetic field nullification).
Important: Results apply to sliding force of a pair of identical neodymium magnets (friction coefficient ~0.15 for Ni-Ni coating).

Table 7: Hazards (electronics) - warnings
MW 20x1.5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	6.0 cm
Hearing aid	10 Gs (1.0 mT)	4.5 cm
Mechanical watch	20 Gs (2.0 mT)	3.5 cm
Mobile device	40 Gs (4.0 mT)	3.0 cm
Car key	50 Gs (5.0 mT)	2.5 cm
Payment card	400 Gs (40.0 mT)	1.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.0 cm

A strong magnetic field is a large risk to electronic devices and pacemakers. These NdFeB products generate a field that prevents correct functioning of digital equipment. Be aware: the invisible magnetic field penetrates the body and plastic. Special caution must be exercised by people with hearing aids and insulin pumps. Also at risk are: mechanical watches, remotes, speakers, and screens. Do not place the magnet near cards, hard drives, or sensitive navigation tools.

Table 8: Impact energy (cracking risk) - warning
MW 20x1.5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	17.76 km/h (4.93 m/s)	0.04 J
30 mm	28.97 km/h (8.05 m/s)	0.11 J
50 mm	37.38 km/h (10.38 m/s)	0.19 J
100 mm	52.87 km/h (14.69 m/s)	0.38 J

NdFeB products are delicate – a strong collision with metal can result in shattering. Watch the impact speed – a neodymium left loose becomes dangerous. Impact energy can cause material chips or painful pinches to skin. Be sure to control the product during installation so it doesn't hit with great force against the metal. A collision at high speed ends with a crack of the magnet. Wear safety glasses when handling with large magnets.

Table 9: Surface protection spec
MW 20x1.5 / N38

Technical parameter	Value / Description
Coating type	[NiCuNi] Nickel
Layer structure	Nickel - Copper - Nickel
Layer thickness	10-20 µm
Salt spray test (SST) ?	24 h
Recommended environment	Indoors only (dry)

Neodymium magnets are highly susceptible to corrosion without proper protection. Moisture resistance is crucial for installations in bathrooms or outdoors.

Table 10: Electrical data (P_c)
MW 20x1.5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	3 979 Mx	39.8 µWb
P_c Coefficient	0.12	Low (Flat)

Total magnetic flux emitted by the pole surface. Essential parameter when building generators as well as sensors. P_c value defines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MW 20x1.5 / N38

Environment	Effective steel pull	Effect
Air (land)	0.97 kg	Standard
Water (riverbed)	1.11 kg (+0.14 kg buoyancy gain)	+14.5%

Corrosion warning: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!

Contrary to myths, water does not block the magnetic field. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Wall mount (shear)

*Warning: On a vertical wall, the magnet holds merely a fraction of its perpendicular strength.

2. Efficiency vs thickness

*Thin steel (e.g. 0.5mm PC case) severely reduces the holding force.

3. Thermal stability

*For standard magnets, the safety limit is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.12

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The P_c (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher P_c value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Technical and environmental data

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%

Sustainability

recyclability (EoL)	100%
recycled raw materials	~10% (pre-cons)
carbon footprint	low / zredukowany
waste code (EWC)	16 02 16

Safety card (GPSR)

responsible entity

Dhit sp. z o.o.

ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki

tel: +48 22 499 98 98 | e-mail: bok@dhit.pl

batch number/type

id: 010039-2026

Measurement Calculator

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This product is a very strong rod magnet, made from advanced NdFeB material, which, with dimensions of Ø20x1.5 mm, guarantees the highest energy density. The MW 20x1.5 / N38 model boasts high dimensional repeatability and industrial build quality, making it an excellent solution for the most demanding engineers and designers. As a cylindrical magnet with significant force (approx. 0.97 kg), this product is in stock from our warehouse in Poland, ensuring lightning-fast order fulfillment. Additionally, its Ni-Cu-Ni coating shields it against corrosion in typical operating conditions, ensuring an aesthetic appearance and durability for years.

It successfully proves itself in modeling, advanced automation, and broadly understood industry, serving as a positioning or actuating element. Thanks to the high power of 9.50 N with a weight of only 3.53 g, this rod is indispensable in electronics and wherever every gram matters.

Since our magnets have a tolerance of ±0.1mm, the best method is to glue them into holes with a slightly larger diameter (e.g., 20.1 mm) using epoxy glues. To ensure long-term durability in automation, anaerobic resins are used, which do not react with the nickel coating and fill the gap, guaranteeing high repeatability of the connection.

Grade N38 is the most popular standard for professional neodymium magnets, offering a great economic balance and high resistance to demagnetization. If you need even stronger magnets in the same volume (Ø20x1.5), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard in continuous sale in our store.

This model is characterized by dimensions Ø20x1.5 mm, which, at a weight of 3.53 g, makes it an element with high magnetic energy density. The value of 9.50 N means that the magnet is capable of holding a weight many times exceeding its own mass of 3.53 g. The product has a [NiCuNi] coating, which protects the surface against external factors, giving it an aesthetic, silvery shine.

Standardly, the magnetic axis runs through the center of the cylinder, causing the greatest attraction force to occur on the bases with a diameter of 20 mm. Thanks to this, the magnet can be easily glued into a hole and achieve a strong field on the front surface. On request, we can also produce versions magnetized through the diameter if your project requires it.

Advantages and disadvantages of neodymium magnets.

Benefits

Besides their durability, neodymium magnets are valued for these benefits:

They virtually do not lose power, because even after ten years the performance loss is only ~1% (in laboratory conditions),
Magnets perfectly resist against loss of magnetization caused by external fields,
By applying a decorative coating of nickel, the element acquires an aesthetic look,
Magnets possess extremely high magnetic induction on the outer side,
Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and are able to act (depending on the form) even at a temperature of 230°C or more...
Thanks to modularity in constructing and the ability to modify to complex applications,
Significant place in high-tech industry – they find application in mass storage devices, motor assemblies, precision medical tools, also modern systems.
Thanks to their power density, small magnets offer high operating force, in miniature format,

Weaknesses

Cons of neodymium magnets: application proposals

Brittleness is one of their disadvantages. Upon intense impact they can fracture. We advise keeping them in a strong case, which not only secures them against impacts but also increases their durability
We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 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 secure oxidation and corrosion.
Due to limitations in creating threads and complicated forms in magnets, we propose using casing - magnetic mount.
Potential hazard resulting from small fragments of magnets are risky, in case of ingestion, which is particularly important in the context of child safety. Additionally, tiny parts of these devices can be problematic in diagnostics medical in case of swallowing.
Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Lifting parameters

Maximum lifting capacity of the magnet – what affects it?

The specified lifting capacity represents the maximum value, recorded under optimal environment, meaning:

with the application of a sheet made of low-carbon steel, ensuring maximum field concentration
possessing a massiveness of at least 10 mm to ensure full flux closure
with a surface perfectly flat
with direct contact (no coatings)
during detachment in a direction perpendicular to the plane
at temperature room level

Lifting capacity in real conditions – factors

Holding efficiency is influenced by specific conditions, mainly (from priority):

Gap between magnet and steel – every millimeter of separation (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
Force direction – note that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops significantly, often to levels of 20-30% of the nominal value.
Plate thickness – too thin plate does not close the flux, causing part of the power to be wasted into the air.
Steel grade – the best choice is pure iron steel. Hardened steels may have worse magnetic properties.
Base smoothness – the smoother and more polished the surface, the better the adhesion and higher the lifting capacity. Roughness creates an air distance.
Heat – NdFeB sinters have a sensitivity to temperature. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).

Lifting capacity was assessed by applying a smooth steel plate of optimal thickness (min. 20 mm), under vertically applied force, whereas under parallel forces the load capacity is reduced by as much as 75%. Additionally, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.

Safe handling of neodymium magnets

Pacemakers

For implant holders: Strong magnetic fields affect medical devices. Keep minimum 30 cm distance or ask another person to work with the magnets.

Warning for allergy sufferers

Warning for allergy sufferers: The Ni-Cu-Ni coating contains nickel. If skin irritation appears, cease working with magnets and use protective gear.

Swallowing risk

Product intended for adults. Small elements pose a choking risk, causing intestinal necrosis. Store away from kids and pets.

Magnets are brittle

Despite the nickel coating, neodymium is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into hazardous fragments.

Dust is flammable

Drilling and cutting of neodymium magnets carries a risk of fire hazard. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Caution required

Use magnets with awareness. Their huge power can surprise even professionals. Stay alert and do not underestimate their force.

Do not overheat magnets

Regular neodymium magnets (grade N) lose power when the temperature goes above 80°C. The loss of strength is permanent.

Pinching danger

Risk of injury: The pulling power is so great that it can cause blood blisters, pinching, and even bone fractures. Protective gloves are recommended.

Impact on smartphones

Be aware: neodymium magnets produce a field that confuses precision electronics. Maintain a separation from your phone, tablet, and GPS.

Electronic hazard

Do not bring magnets near a wallet, laptop, or screen. The magnetism can irreversibly ruin these devices and erase data from cards.

Security! Details about hazards in the article: Safety of working with magnets.

MW 20x1.5 / N38 - cylindrical magnet

Technical of the product - MW 20x1.5 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering simulation of the magnet - report

Table 1: Static force (force vs distance) - power drop MW 20x1.5 / N38

Table 2: Slippage force (vertical surface) MW 20x1.5 / N38

Table 3: Vertical assembly (sliding) - vertical pull MW 20x1.5 / N38

Table 4: Material efficiency (saturation) - power losses MW 20x1.5 / N38

Table 5: Working in heat (material behavior) - power drop MW 20x1.5 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system MW 20x1.5 / N38

Table 7: Hazards (electronics) - warnings MW 20x1.5 / N38

Table 8: Impact energy (cracking risk) - warning MW 20x1.5 / N38

Table 9: Surface protection spec MW 20x1.5 / N38

Table 10: Electrical data (Pc) MW 20x1.5 / N38

Table 11: Underwater work (magnet fishing) MW 20x1.5 / N38

1. Wall mount (shear)

2. Efficiency vs thickness

3. Thermal stability

4. Demagnetization curve and operating point (B-H)

Elemental analysis

Sustainability

Force (pull)

Magnetic Induction

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Advantages and disadvantages of neodymium magnets.

Benefits

Weaknesses

Lifting parameters

Maximum lifting capacity of the magnet – what affects it?

Lifting capacity in real conditions – factors

Safe handling of neodymium magnets

Pacemakers

Warning for allergy sufferers

Swallowing risk

Magnets are brittle

Dust is flammable

Caution required

Do not overheat magnets

Pinching danger

Impact on smartphones

Electronic hazard

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs distance) - power drop
MW 20x1.5 / N38

Table 2: Slippage force (vertical surface)
MW 20x1.5 / N38

Table 3: Vertical assembly (sliding) - vertical pull
MW 20x1.5 / N38

Table 4: Material efficiency (saturation) - power losses
MW 20x1.5 / N38

Table 5: Working in heat (material behavior) - power drop
MW 20x1.5 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MW 20x1.5 / N38

Table 7: Hazards (electronics) - warnings
MW 20x1.5 / N38

Table 8: Impact energy (cracking risk) - warning
MW 20x1.5 / N38

Table 9: Surface protection spec
MW 20x1.5 / N38

Table 10: Electrical data (P_c)
MW 20x1.5 / N38

Table 11: Underwater work (magnet fishing)
MW 20x1.5 / N38