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MPL 20x20x20 / N38 - lamellar 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

lamellar magnet

Catalog no 020129

GTIN/EAN: 5906301811350

5.00

length

20 mm [±0,1 mm]

Width

20 mm [±0,1 mm]

Height

20 mm [±0,1 mm]

Weight

60 g

Magnetization Direction

↑ axial

Load capacity

15.40 kg / 151.12 N

Magnetic Induction

540.22 mT / 5402 Gs

Coating

[NiCuNi] Nickel

technical parameters »

33.21 ZŁ with VAT / pcs + price for transport

27.00 ZŁ net + 23% VAT / pcs

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Technical details - MPL 20x20x20 / N38 - lamellar magnet

Specification / characteristics - MPL 20x20x20 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020129
GTIN/EAN	5906301811350
Production/Distribution	Dhit sp. z o.o. ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin	Poland / China / Germany
Customs code	85059029
length	20 mm [±0,1 mm]
Width	20 mm [±0,1 mm]
Height	20 mm [±0,1 mm]
Weight	60 g
Magnetization Direction	↑ axial
Load capacity ~ ?	15.40 kg / 151.12 N
Magnetic Induction ~ ?	540.22 mT / 5402 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 20x20x20 / N38 - lamellar 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

Physical modeling of the assembly - data

The following information represent the result of a mathematical calculation. Results are based on algorithms for the class Nd₂Fe₁₄B. Actual performance might slightly deviate from the simulation results. Treat these data as a preliminary roadmap when designing systems.

Table 1: Static force (force vs gap) - power drop
MPL 20x20x20 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	5400 Gs 540.0 mT	15.40 kg / 33.95 pounds 15400.0 g / 151.1 N	dangerous!
1 mm	4910 Gs 491.0 mT	12.73 kg / 28.07 pounds 12732.2 g / 124.9 N	dangerous!
2 mm	4423 Gs 442.3 mT	10.33 kg / 22.77 pounds 10328.3 g / 101.3 N	dangerous!
3 mm	3955 Gs 395.5 mT	8.26 kg / 18.21 pounds 8258.3 g / 81.0 N	medium risk
5 mm	3114 Gs 311.4 mT	5.12 kg / 11.29 pounds 5120.3 g / 50.2 N	medium risk
10 mm	1671 Gs 167.1 mT	1.48 kg / 3.25 pounds 1475.0 g / 14.5 N	safe
15 mm	936 Gs 93.6 mT	0.46 kg / 1.02 pounds 463.0 g / 4.5 N	safe
20 mm	562 Gs 56.2 mT	0.17 kg / 0.37 pounds 167.1 g / 1.6 N	safe
30 mm	244 Gs 24.4 mT	0.03 kg / 0.07 pounds 31.3 g / 0.3 N	safe
50 mm	73 Gs 7.3 mT	0.00 kg / 0.01 pounds 2.8 g / 0.0 N	safe

Grip strength decreases significantly with every subsequent millimeter of distance. Note that even the smallest gap (e.g., contamination, paint, dust) significantly weakens the grip. Magnets hold strongest at the point of direct contact; air break nullifies the force. See how rapidly the parameters fall, when the magnet does not touch flatly to the metal substrate. When designing the arrangement, avoid redundant distances.

Table 2: Shear force (wall)
MPL 20x20x20 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	3.08 kg / 6.79 pounds 3080.0 g / 30.2 N
1 mm	Stal (~0.2)	2.55 kg / 5.61 pounds 2546.0 g / 25.0 N
2 mm	Stal (~0.2)	2.07 kg / 4.55 pounds 2066.0 g / 20.3 N
3 mm	Stal (~0.2)	1.65 kg / 3.64 pounds 1652.0 g / 16.2 N
5 mm	Stal (~0.2)	1.02 kg / 2.26 pounds 1024.0 g / 10.0 N
10 mm	Stal (~0.2)	0.30 kg / 0.65 pounds 296.0 g / 2.9 N
15 mm	Stal (~0.2)	0.09 kg / 0.20 pounds 92.0 g / 0.9 N
20 mm	Stal (~0.2)	0.03 kg / 0.07 pounds 34.0 g / 0.3 N
30 mm	Stal (~0.2)	0.01 kg / 0.01 pounds 6.0 g / 0.1 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 pounds 0.0 g / 0.0 N

The following data indicates the estimated force necessary to start the slippage of the magnet downwards against a upright metal surface (assuming typical friction). The holding force depends on the gap size between the magnet and the surface.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 20x20x20 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	4.62 kg / 10.19 pounds 4620.0 g / 45.3 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	3.08 kg / 6.79 pounds 3080.0 g / 30.2 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	1.54 kg / 3.40 pounds 1540.0 g / 15.1 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	7.70 kg / 16.98 pounds 7700.0 g / 75.5 N

When hanging a element on a vertical plane (e.g., a fridge), it will only hold just about 1/5 of its maximum pull force. Gravitational force and a low friction coefficient influence the fact that holders move down faster than they detach. Planning a wall mount? Note that the shear force is much weaker than the maximum static pull force. On a slippery surface, the holder will slide down under a much lighter weight. Application of an anti-slip pad can effectively increase the grip.

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 20x20x20 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	0.77 kg / 1.70 pounds 770.0 g / 7.6 N
1 mm	13%	1.93 kg / 4.24 pounds 1925.0 g / 18.9 N
2 mm	25%	3.85 kg / 8.49 pounds 3850.0 g / 37.8 N
3 mm	38%	5.78 kg / 12.73 pounds 5775.0 g / 56.7 N
5 mm	63%	9.63 kg / 21.22 pounds 9625.0 g / 94.4 N
10 mm	100%	15.40 kg / 33.95 pounds 15400.0 g / 151.1 N
11 mm	100%	15.40 kg / 33.95 pounds 15400.0 g / 151.1 N
12 mm	100%	15.40 kg / 33.95 pounds 15400.0 g / 151.1 N

A thin sheet is unable to absorb the entire magnetic field, which wastes potential of the holder. If you attach a powerful product to a too thin substrate, the flux will pass right through and the holding will be smaller. To squeeze 100% of this magnet's power, you need a suitably thick piece of metal. The saturation effect means that on delicate walls (e.g., car bodies), the holder holds weaker. We advise picking the steel thickness based on the following data.

Table 5: Thermal resistance (stability) - resistance threshold
MPL 20x20x20 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	15.40 kg / 33.95 pounds 15400.0 g / 151.1 N	OK
40 °C	-2.2%	15.06 kg / 33.20 pounds 15061.2 g / 147.8 N	OK
60 °C	-4.4%	14.72 kg / 32.46 pounds 14722.4 g / 144.4 N	OK
80 °C	-6.6%	14.38 kg / 31.71 pounds 14383.6 g / 141.1 N
100 °C	-28.8%	10.96 kg / 24.17 pounds 10964.8 g / 107.6 N

Classic neodymiums lose parameters past the thermal threshold. Watch out for overheating – high temperature can irreversibly destroy this product. With every degree above norm, the neodymium's force momentarily drops. Avoid using this magnet in hot environments exceeding its safe range. Ignoring the limit will cause permanent loss of magnetism.

*Important note: Thermal stability is determined by both grade, as well as the dimension ratios. Thin magnets (low permeance coefficient) risk losing magnetic properties at lower temperatures compared to rod magnets. The danger warning in the table signals a risk of irreversible loss for this particular item.

Table 6: Two magnets (repulsion) - field collision
MPL 20x20x20 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	71.92 kg / 158.55 pounds 5 962 Gs	10.79 kg / 23.78 pounds 10787 g / 105.8 N	N/A
1 mm	65.60 kg / 144.63 pounds 10 316 Gs	9.84 kg / 21.69 pounds 9840 g / 96.5 N	59.04 kg / 130.16 pounds ~0 Gs
2 mm	59.46 kg / 131.08 pounds 9 821 Gs	8.92 kg / 19.66 pounds 8919 g / 87.5 N	53.51 kg / 117.97 pounds ~0 Gs
3 mm	53.66 kg / 118.30 pounds 9 329 Gs	8.05 kg / 17.74 pounds 8049 g / 79.0 N	48.29 kg / 106.47 pounds ~0 Gs
5 mm	43.20 kg / 95.24 pounds 8 371 Gs	6.48 kg / 14.29 pounds 6480 g / 63.6 N	38.88 kg / 85.71 pounds ~0 Gs
10 mm	23.91 kg / 52.72 pounds 6 228 Gs	3.59 kg / 7.91 pounds 3587 g / 35.2 N	21.52 kg / 47.44 pounds ~0 Gs
20 mm	6.89 kg / 15.19 pounds 3 343 Gs	1.03 kg / 2.28 pounds 1033 g / 10.1 N	6.20 kg / 13.67 pounds ~0 Gs
50 mm	0.32 kg / 0.71 pounds 721 Gs	0.05 kg / 0.11 pounds 48 g / 0.5 N	0.29 kg / 0.64 pounds ~0 Gs
60 mm	0.15 kg / 0.32 pounds 487 Gs	0.02 kg / 0.05 pounds 22 g / 0.2 N	0.13 kg / 0.29 pounds ~0 Gs
70 mm	0.07 kg / 0.16 pounds 344 Gs	0.01 kg / 0.02 pounds 11 g / 0.1 N	0.07 kg / 0.14 pounds ~0 Gs
80 mm	0.04 kg / 0.09 pounds 251 Gs	0.01 kg / 0.01 pounds 6 g / 0.1 N	0.04 kg / 0.08 pounds ~0 Gs
90 mm	0.02 kg / 0.05 pounds 189 Gs	0.00 kg / 0.01 pounds 3 g / 0.0 N	0.02 kg / 0.04 pounds ~0 Gs
100 mm	0.01 kg / 0.03 pounds 146 Gs	0.00 kg / 0.00 pounds 2 g / 0.0 N	0.01 kg / 0.03 pounds ~0 Gs

Two strong neodymiums attract each other from a significantly greater distance than a neodymium and metal setup. The connection of two magnets creates a more powerful interaction and a further horizon of performance. Want to build a solid fastener? Apply two magnets instead of one magnet and a striker plate. Be careful that when attracting two neodymiums, the impact force is extreme. The levitation is marginally weaker than the connection force, but still large.
*Flux density in repulsion mode drops to ~0 Gs at the geometric center of the gap (resulting from vector opposition).
* Estimates refer to sliding force of two same magnets (friction coefficient ~0.15 for Ni-Ni layer).

Table 7: Hazards (implants) - warnings
MPL 20x20x20 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	14.0 cm
Hearing aid	10 Gs (1.0 mT)	11.0 cm
Mechanical watch	20 Gs (2.0 mT)	8.5 cm
Phone / Smartphone	40 Gs (4.0 mT)	6.5 cm
Car key	50 Gs (5.0 mT)	6.0 cm
Payment card	400 Gs (40.0 mT)	2.5 cm
HDD hard drive	600 Gs (60.0 mT)	2.0 cm

Extremely neodym field poses a real danger to electronic devices and pacemakers. These NdFeB products generate a flux that destroys function of sensitive medical devices. Be aware: the invisible magnetic field acts through matter and plastic. Special caution must be taken by people with hearing aids and insulin pumps. Also at risk are: automatic timepieces, car keys, speakers, and displays. Do not place the magnet near cards, hard drives, or precise measuring instruments.

Table 8: Dynamics (kinetic energy) - collision effects
MPL 20x20x20 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	17.10 km/h (4.75 m/s)	0.68 J
30 mm	28.02 km/h (7.78 m/s)	1.82 J
50 mm	36.13 km/h (10.04 m/s)	3.02 J
100 mm	51.09 km/h (14.19 m/s)	6.04 J

Magnetic elements are very brittle – a strong collision with metal causes immediate chipping. Watch the impact speed – a neodymium left loose becomes dangerous. Impact energy can destroy the magnet or dangerous crushing to fingers. Hold the magnet firmly during installation so it doesn't slam with momentum against the metal. A collision at high speed ends with a crack of the neodymium. Use safety goggles when handling with powerful specimens.

Table 9: Surface protection spec
MPL 20x20x20 / 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)

The following table defines the conditions under which this product can be safely used. The silver nickel coating also serves an aesthetic function but is not fully waterproof.

Table 10: Electrical data (P_c)
MPL 20x20x20 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	22 017 Mx	220.2 µWb
P_c Coefficient	0.84	High (Stable)

Flux value passing through the magnet pole. Key data in coil applications and motors. The P_c coefficient determines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MPL 20x20x20 / N38

Environment	Effective steel pull	Effect
Air (land)	15.40 kg	Standard
Water (riverbed)	17.63 kg (+2.23 kg buoyancy gain)	+14.5%

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

Water displaces steel, making heavy objects slightly lighter. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Sliding resistance

*Warning: On a vertical wall, the magnet retains just approx. 20-30% of its perpendicular strength.

2. Plate thickness effect

*Thin metal sheet (e.g. 0.5mm PC case) drastically reduces the holding force.

3. Thermal stability

*For N38 material, the critical limit is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.84

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. 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: 020129-2026

Measurement Calculator

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Model MPL 20x20x20 / N38 features a flat shape and professional pulling force, making it an ideal solution for building separators and machines. This rectangular block with a force of 151.12 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.

The key to success is sliding the magnets along their largest connection plane (using e.g., the edge of a table), which is easier than trying to tear them apart directly. To separate the MPL 20x20x20 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend care, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Using a screwdriver risks destroying the coating and permanently cracking the magnet.

They constitute a key element in the production of generators and material handling systems. They work great as invisible mounts under tiles, wood, or glass. Customers often choose this model for workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.

For mounting flat magnets MPL 20x20x20 / N38, we recommend utilizing strong epoxy glues (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).

Standardly, the MPL 20x20x20 / N38 model is magnetized axially (dimension 20 mm), which means that the N and S poles are located on its largest, flat surfaces. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.

The presented product is a neodymium magnet with precisely defined parameters: 20 mm (length), 20 mm (width), and 20 mm (thickness). It is a magnetic block with dimensions 20x20x20 mm and a self-weight of 60 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.

Pros

Apart from their superior holding force, neodymium magnets have these key benefits:

They virtually do not lose power, because even after 10 years the decline in efficiency is only ~1% (in laboratory conditions),
They possess excellent resistance to weakening of magnetic properties as a result of external fields,
In other words, due to the aesthetic finish of gold, the element gains visual value,
Neodymium magnets create maximum magnetic induction on a small area, which increases force concentration,
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...
Possibility of precise machining and adjusting to complex applications,
Huge importance in future technologies – they are utilized in HDD drives, drive modules, diagnostic systems, as well as complex engineering applications.
Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in small dimensions, which makes them useful in compact constructions

Disadvantages

Drawbacks and weaknesses of neodymium magnets: tips and applications.

At very strong impacts they can break, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
They rust in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
Due to limitations in creating threads and complex shapes in magnets, we recommend using cover - magnetic mount.
Potential hazard to health – tiny shards of magnets pose a threat, in case of ingestion, which gains importance in the context of child health protection. Additionally, small elements of these magnets can disrupt the diagnostic process medical when they are in the body.
With mass production the cost of neodymium magnets is a challenge,

Pull force analysis

Maximum lifting force for a neodymium magnet – what contributes to it?

The declared magnet strength concerns the peak performance, measured under optimal environment, meaning:

using a base made of low-carbon steel, functioning as a ideal flux conductor
with a thickness of at least 10 mm
with a plane cleaned and smooth
under conditions of gap-free contact (surface-to-surface)
for force acting at a right angle (in the magnet axis)
at temperature approx. 20 degrees Celsius

Practical aspects of lifting capacity – factors

Real force impacted by working environment parameters, mainly (from most important):

Gap between magnet and steel – even a fraction of a millimeter of separation (caused e.g. by veneer or dirt) drastically reduces the pulling force, often by half at just 0.5 mm.
Pull-off angle – remember that the magnet has greatest strength perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the maximum value.
Substrate thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
Metal type – different alloys attracts identically. High carbon content worsen the attraction effect.
Surface condition – smooth surfaces guarantee perfect abutment, which increases force. Rough surfaces weaken the grip.
Thermal environment – heating the magnet results in weakening of force. Check the maximum operating temperature for a given model.

Holding force was tested on the plate surface of 20 mm thickness, when a perpendicular force was applied, however under parallel forces the load capacity is reduced by as much as fivefold. Additionally, even a slight gap between the magnet’s surface and the plate reduces the load capacity.

Safety rules for work with NdFeB magnets

Threat to navigation

GPS units and smartphones are extremely susceptible to magnetism. Close proximity with a strong magnet can decalibrate the sensors in your phone.

Caution required

Exercise caution. Rare earth magnets attract from a long distance and connect with massive power, often quicker than you can move away.

Machining danger

Machining of neodymium magnets carries a risk of fire risk. Magnetic powder reacts violently with oxygen and is difficult to extinguish.

No play value

Neodymium magnets are not toys. Accidental ingestion of multiple magnets may result in them attracting across intestines, which constitutes a severe health hazard and requires immediate surgery.

Allergy Warning

Medical facts indicate that nickel (the usual finish) is a common allergen. For allergy sufferers, prevent touching magnets with bare hands or select encased magnets.

Electronic hazard

Intense magnetic fields can corrupt files on payment cards, HDDs, and storage devices. Maintain a gap of at least 10 cm.

Thermal limits

Watch the temperature. Heating the magnet to high heat will permanently weaken its magnetic structure and pulling force.

Beware of splinters

Neodymium magnets are ceramic materials, which means they are fragile like glass. Impact of two magnets leads to them breaking into small pieces.

Danger to pacemakers

People with a pacemaker should keep an absolute distance from magnets. The magnetic field can interfere with the operation of the implant.

Crushing risk

Big blocks can smash fingers instantly. Do not place your hand betwixt two strong magnets.

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

MPL 20x20x20 / N38 - lamellar magnet

Technical details - MPL 20x20x20 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical modeling of the assembly - data

Table 1: Static force (force vs gap) - power drop MPL 20x20x20 / N38

Table 2: Shear force (wall) MPL 20x20x20 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces MPL 20x20x20 / N38

Table 4: Steel thickness (substrate influence) - sheet metal selection MPL 20x20x20 / N38

Table 5: Thermal resistance (stability) - resistance threshold MPL 20x20x20 / N38

Table 6: Two magnets (repulsion) - field collision MPL 20x20x20 / N38

Table 7: Hazards (implants) - warnings MPL 20x20x20 / N38

Table 8: Dynamics (kinetic energy) - collision effects MPL 20x20x20 / N38

Table 9: Surface protection spec MPL 20x20x20 / N38

Table 10: Electrical data (Pc) MPL 20x20x20 / N38

Table 11: Hydrostatics and buoyancy MPL 20x20x20 / N38

1. Sliding resistance

2. Plate thickness effect

3. Thermal stability

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

Elemental analysis

Sustainability

Magnet pull force

Field Strength

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Advantages as well as disadvantages of Nd2Fe14B magnets.

Pros

Disadvantages

Pull force analysis

Maximum lifting force for a neodymium magnet – what contributes to it?

Practical aspects of lifting capacity – factors

Safety rules for work with NdFeB magnets

Threat to navigation

Caution required

Machining danger

No play value

Allergy Warning

Electronic hazard

Thermal limits

Beware of splinters

Danger to pacemakers

Crushing risk

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (force vs gap) - power drop
MPL 20x20x20 / N38

Table 2: Shear force (wall)
MPL 20x20x20 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 20x20x20 / N38

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 20x20x20 / N38

Table 5: Thermal resistance (stability) - resistance threshold
MPL 20x20x20 / N38

Table 6: Two magnets (repulsion) - field collision
MPL 20x20x20 / N38

Table 7: Hazards (implants) - warnings
MPL 20x20x20 / N38

Table 8: Dynamics (kinetic energy) - collision effects
MPL 20x20x20 / N38

Table 9: Surface protection spec
MPL 20x20x20 / N38

Table 10: Electrical data (P_c)
MPL 20x20x20 / N38

Table 11: Hydrostatics and buoyancy
MPL 20x20x20 / N38

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.