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MPL 30x10x8 / 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 020139

GTIN/EAN: 5906301811459

5.00

length

30 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

8 mm [±0,1 mm]

Weight

18 g

Magnetization Direction

↑ axial

Load capacity

12.13 kg / 119.04 N

Magnetic Induction

427.56 mT / 4276 Gs

Coating

[NiCuNi] Nickel

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Call us +48 22 499 98 98 if you prefer send us a note via contact form through our site.
Lifting power and appearance of neodymium magnets can be analyzed on our modular calculator.

Orders placed before 14:00 will be shipped the same business day.

Product card - MPL 30x10x8 / N38 - lamellar magnet

Specification / characteristics - MPL 30x10x8 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020139
GTIN/EAN	5906301811459
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	30 mm [±0,1 mm]
Width	10 mm [±0,1 mm]
Height	8 mm [±0,1 mm]
Weight	18 g
Magnetization Direction	↑ axial
Load capacity ~ ?	12.13 kg / 119.04 N
Magnetic Induction ~ ?	427.56 mT / 4276 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 30x10x8 / 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

Engineering modeling of the assembly - report

The following information constitute the result of a engineering calculation. Results rely on algorithms for the material Nd₂Fe₁₄B. Actual parameters might slightly deviate from the simulation results. Please consider these data as a preliminary roadmap when designing systems.

Table 1: Static force (pull vs distance) - power drop
MPL 30x10x8 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	4273 Gs 427.3 mT	12.13 kg / 26.74 lbs 12130.0 g / 119.0 N	critical level
1 mm	3683 Gs 368.3 mT	9.01 kg / 19.86 lbs 9009.7 g / 88.4 N	medium risk
2 mm	3109 Gs 310.9 mT	6.42 kg / 14.15 lbs 6419.9 g / 63.0 N	medium risk
3 mm	2600 Gs 260.0 mT	4.49 kg / 9.90 lbs 4488.7 g / 44.0 N	medium risk
5 mm	1818 Gs 181.8 mT	2.20 kg / 4.84 lbs 2195.3 g / 21.5 N	medium risk
10 mm	825 Gs 82.5 mT	0.45 kg / 1.00 lbs 452.4 g / 4.4 N	weak grip
15 mm	431 Gs 43.1 mT	0.12 kg / 0.27 lbs 123.4 g / 1.2 N	weak grip
20 mm	248 Gs 24.8 mT	0.04 kg / 0.09 lbs 41.0 g / 0.4 N	weak grip
30 mm	101 Gs 10.1 mT	0.01 kg / 0.02 lbs 6.8 g / 0.1 N	weak grip
50 mm	28 Gs 2.8 mT	0.00 kg / 0.00 lbs 0.5 g / 0.0 N	weak grip

Pulling power decreases drastically per each millimeter of gap. Note that even a microscopic distance (e.g., contamination, paint, rust) strongly diminishes the holding power. Magnetic products hold most effectively during direct contact; gap nullifies the force. See how quickly the load capacity plummet, when the magnet does not adhere directly to the steel surface. When calculating the assembly, eliminate additional spacers.

Table 2: Vertical load (vertical surface)
MPL 30x10x8 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	2.43 kg / 5.35 lbs 2426.0 g / 23.8 N
1 mm	Stal (~0.2)	1.80 kg / 3.97 lbs 1802.0 g / 17.7 N
2 mm	Stal (~0.2)	1.28 kg / 2.83 lbs 1284.0 g / 12.6 N
3 mm	Stal (~0.2)	0.90 kg / 1.98 lbs 898.0 g / 8.8 N
5 mm	Stal (~0.2)	0.44 kg / 0.97 lbs 440.0 g / 4.3 N
10 mm	Stal (~0.2)	0.09 kg / 0.20 lbs 90.0 g / 0.9 N
15 mm	Stal (~0.2)	0.02 kg / 0.05 lbs 24.0 g / 0.2 N
20 mm	Stal (~0.2)	0.01 kg / 0.02 lbs 8.0 g / 0.1 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 2.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N

The following data shows the approximate weight limit needed to initiate the downward movement of the magnet down on a vertical metal surface (assuming standard friction coefficient). This value is a function of the air gap between the magnet and the metal.

Table 3: Wall mounting (sliding) - vertical pull
MPL 30x10x8 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	3.64 kg / 8.02 lbs 3639.0 g / 35.7 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	2.43 kg / 5.35 lbs 2426.0 g / 23.8 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	1.21 kg / 2.67 lbs 1213.0 g / 11.9 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	6.07 kg / 13.37 lbs 6065.0 g / 59.5 N

When mounting a magnet on a vertical wall (e.g., a car body), it you can count on barely approx. 1/5 of its maximum pull force. Gravity as well as a low friction coefficient cause that holders slip faster than they pull off. Designing a wall mount? Remember that the shear force is much weaker than the maximum static pull force. On a slippery surface, the element will slip down under a noticeably lighter load. Utilizing a rubberized coating can effectively improve the result.

Table 4: Material efficiency (substrate influence) - sheet metal selection
MPL 30x10x8 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	0.61 kg / 1.34 lbs 606.5 g / 5.9 N
1 mm	13%	1.52 kg / 3.34 lbs 1516.3 g / 14.9 N
2 mm	25%	3.03 kg / 6.69 lbs 3032.5 g / 29.7 N
3 mm	38%	4.55 kg / 10.03 lbs 4548.8 g / 44.6 N
5 mm	63%	7.58 kg / 16.71 lbs 7581.3 g / 74.4 N
10 mm	100%	12.13 kg / 26.74 lbs 12130.0 g / 119.0 N
11 mm	100%	12.13 kg / 26.74 lbs 12130.0 g / 119.0 N
12 mm	100%	12.13 kg / 26.74 lbs 12130.0 g / 119.0 N

A thin sheet is unable to conduct the full magnetic flux, which wastes potential of the holder. Should you mount a strong magnet to a too thin substrate, the field will penetrate right through and the attraction force will be weaker. To utilize full efficiency of this magnet's potential, you need a suitably thick piece of metal. The material oversaturation causes that on sheet metal structures (e.g., appliance housings), the product holds weaker. We suggest choosing the steel cross-section from these parameters.

Table 5: Thermal resistance (material behavior) - power drop
MPL 30x10x8 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	12.13 kg / 26.74 lbs 12130.0 g / 119.0 N	OK
40 °C	-2.2%	11.86 kg / 26.15 lbs 11863.1 g / 116.4 N	OK
60 °C	-4.4%	11.60 kg / 25.57 lbs 11596.3 g / 113.8 N
80 °C	-6.6%	11.33 kg / 24.98 lbs 11329.4 g / 111.1 N
100 °C	-28.8%	8.64 kg / 19.04 lbs 8636.6 g / 84.7 N

Ordinary NdFeB products lose parameters past the thermal threshold. Protect against heat – heat can irreversibly demagnetize this magnet. With every degree above norm, the magnet's power temporarily decreases. Do not use this magnet close to ovens exceeding its working range. Exceeding the critical threshold will result in irreversible degradation of magnetic properties.

*Important note: Temperature resistance depends not only on the material grade, and the Permeance Coefficient Pc. Thin magnets (low permeance coefficient) are more susceptible to demagnetization sooner than long magnets. Red status in the table signals permanent field degradation for this specific geometry.

Table 6: Two magnets (attraction) - field range
MPL 30x10x8 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Lateral Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	33.78 kg / 74.46 lbs 5 382 Gs	5.07 kg / 11.17 lbs 5066 g / 49.7 N	N/A
1 mm	29.33 kg / 64.66 lbs 7 964 Gs	4.40 kg / 9.70 lbs 4399 g / 43.2 N	26.39 kg / 58.19 lbs ~0 Gs
2 mm	25.09 kg / 55.31 lbs 7 366 Gs	3.76 kg / 8.30 lbs 3763 g / 36.9 N	22.58 kg / 49.78 lbs ~0 Gs
3 mm	21.25 kg / 46.85 lbs 6 780 Gs	3.19 kg / 7.03 lbs 3188 g / 31.3 N	19.13 kg / 42.17 lbs ~0 Gs
5 mm	14.97 kg / 32.99 lbs 5 689 Gs	2.24 kg / 4.95 lbs 2245 g / 22.0 N	13.47 kg / 29.70 lbs ~0 Gs
10 mm	6.11 kg / 13.48 lbs 3 636 Gs	0.92 kg / 2.02 lbs 917 g / 9.0 N	5.50 kg / 12.13 lbs ~0 Gs
20 mm	1.26 kg / 2.78 lbs 1 651 Gs	0.19 kg / 0.42 lbs 189 g / 1.9 N	1.13 kg / 2.50 lbs ~0 Gs
50 mm	0.04 kg / 0.10 lbs 308 Gs	0.01 kg / 0.01 lbs 7 g / 0.1 N	0.04 kg / 0.09 lbs ~0 Gs
60 mm	0.02 kg / 0.04 lbs 203 Gs	0.00 kg / 0.01 lbs 3 g / 0.0 N	0.02 kg / 0.04 lbs ~0 Gs
70 mm	0.01 kg / 0.02 lbs 140 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
80 mm	0.00 kg / 0.01 lbs 100 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
90 mm	0.00 kg / 0.01 lbs 74 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
100 mm	0.00 kg / 0.00 lbs 56 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two strong neodymiums attract each other from a significantly greater distance than a magnet and sheet setup. The setup of magnet-to-magnet produces a massive flux and a further horizon of action. Planning to create a powerful holder? Apply two magnets instead of one magnet and a striker plate. Be careful that when attracting two neodymiums, the pinch force is huge. The levitation is slightly lower than the attraction, but still large.
*Flux density for N-N configuration is approximately ~0 Gs at the midpoint of the gap (resulting from vector opposition).
Important: Estimates show friction force of a pair of same magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Protective zones (implants) - warnings
MPL 30x10x8 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	9.5 cm
Hearing aid	10 Gs (1.0 mT)	7.5 cm
Mechanical watch	20 Gs (2.0 mT)	6.0 cm
Mobile device	40 Gs (4.0 mT)	4.5 cm
Remote	50 Gs (5.0 mT)	4.0 cm
Payment card	400 Gs (40.0 mT)	2.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

A strong magnetic field is a large risk to IT equipment and pacemakers. These neodymiums produce a field that disrupts operation of digital equipment. Be aware: the unseen radiation acts through matter and plastic. Increased vigilance must be taken by people with cochlear implants and drug dispensers. The risk also applies to: automatic timepieces, remotes, speakers, and displays. Do not place the magnet near cards, HDD media, or sensitive navigation tools.

Table 8: Impact energy (kinetic energy) - warning
MPL 30x10x8 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	26.78 km/h (7.44 m/s)	0.50 J
30 mm	45.36 km/h (12.60 m/s)	1.43 J
50 mm	58.54 km/h (16.26 m/s)	2.38 J
100 mm	82.79 km/h (23.00 m/s)	4.76 J

Magnetic elements are delicate – a collision with steel risks their cracking. Control the attraction moment – a magnet released freely speeds with massive force. Kinetic force can trigger coating fragments or dangerous crushing to skin. Be sure to control the product during mounting so it doesn't slam with momentum against the metal. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Wear eye protection when working with powerful specimens.

Table 9: Surface protection spec
MPL 30x10x8 / 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. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (Flux)
MPL 30x10x8 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	12 138 Mx	121.4 µWb
P_c Coefficient	0.51	Low (Flat)

Total magnetic flux passing through the pole surface. Key data when building generators and motors. The P_c coefficient determines the working geometry.

Table 11: Physics of underwater searching
MPL 30x10x8 / N38

Environment	Effective steel pull	Effect
Air (land)	12.13 kg	Standard
Water (riverbed)	13.89 kg (+1.76 kg buoyancy gain)	+14.5%

Warning: 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. Buoyancy helps in lifting finds.

1. Shear force

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

2. Plate thickness effect

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

3. Heat tolerance

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.51

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

Material specification

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: 020139-2026

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This product is a very powerful magnet in the shape of a plate made of NdFeB material, which, with dimensions of 30x10x8 mm and a weight of 18 g, guarantees premium class connection. This rectangular block with a force of 119.04 N is ready for shipment in 24h, allowing for rapid realization of your project. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.

Separating block magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. To separate the MPL 30x10x8 / 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. Thanks to the flat surface and high force (approx. 12.13 kg), they are ideal as hidden locks in furniture making and mounting elements in automation. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.

Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. Double-sided tape cushions vibrations, which is an advantage when mounting in moving elements. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).

Standardly, the MPL 30x10x8 / N38 model is magnetized through the thickness (dimension 8 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.

This model is characterized by dimensions 30x10x8 mm, which, at a weight of 18 g, makes it an element with high energy density. The key parameter here is the holding force amounting to approximately 12.13 kg (force ~119.04 N), which, with such a compact shape, proves the high grade of the material. The product meets the standards for N38 grade magnets.

Pros and cons of Nd₂Fe₁₄B magnets.

Pros

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

They have unchanged lifting capacity, and over around ten years their attraction force decreases symbolically – ~1% (according to theory),
Magnets perfectly protect themselves against demagnetization caused by foreign field sources,
In other words, due to the reflective surface of nickel, the element gains a professional look,
Magnets are distinguished by excellent magnetic induction on the working surface,
Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
Thanks to freedom in shaping and the ability to adapt to individual projects,
Fundamental importance in modern technologies – they find application in magnetic memories, electric drive systems, diagnostic systems, as well as multitasking production systems.
Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

Problematic aspects of neodymium magnets and proposals for their use:

Brittleness is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a steel housing, which not only protects them against impacts but also raises their durability
When exposed to high temperature, neodymium magnets experience a drop in force. 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
Magnets exposed to a humid environment can rust. Therefore when using outdoors, we recommend using waterproof magnets made of rubber, plastic or other material resistant to moisture
Limited possibility of creating threads in the magnet and complicated forms - recommended is casing - magnetic holder.
Health risk resulting from small fragments of magnets pose a threat, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, small components of these products are able to be problematic in diagnostics medical after entering the body.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Holding force characteristics

Optimal lifting capacity of a neodymium magnet – what affects it?

Information about lifting capacity was determined for ideal contact conditions, assuming:

using a base made of mild steel, serving as a ideal flux conductor
with a cross-section minimum 10 mm
characterized by smoothness
under conditions of ideal adhesion (metal-to-metal)
under axial force direction (90-degree angle)
at room temperature

What influences lifting capacity in practice

It is worth knowing that the application force will differ subject to elements below, starting with the most relevant:

Clearance – existence of foreign body (paint, dirt, gap) acts as an insulator, which reduces capacity steeply (even by 50% at 0.5 mm).
Angle of force application – highest force is obtained only during perpendicular pulling. The shear force of the magnet along the plate is standardly several times lower (approx. 1/5 of the lifting capacity).
Steel thickness – too thin plate does not close the flux, causing part of the flux to be lost to the other side.
Material composition – not every steel attracts identically. Alloy additives weaken the attraction effect.
Plate texture – smooth surfaces guarantee perfect abutment, which improves field saturation. Uneven metal weaken the grip.
Temperature – temperature increase causes a temporary drop 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 shearing force the load capacity is reduced by as much as 75%. Additionally, even a minimal clearance between the magnet’s surface and the plate lowers the lifting capacity.

Safe handling of NdFeB magnets

Allergy Warning

Nickel alert: The Ni-Cu-Ni coating consists of nickel. If an allergic reaction happens, cease working with magnets and wear gloves.

Do not drill into magnets

Powder produced during cutting of magnets is combustible. Do not drill into magnets unless you are an expert.

Health Danger

Warning for patients: Powerful magnets affect medical devices. Maintain at least 30 cm distance or ask another person to work with the magnets.

Eye protection

Despite the nickel coating, neodymium is delicate and not impact-resistant. Do not hit, as the magnet may shatter into hazardous fragments.

Swallowing risk

Product intended for adults. Small elements can be swallowed, causing intestinal necrosis. Keep out of reach of kids and pets.

Do not overheat magnets

Monitor thermal conditions. Heating the magnet to high heat will permanently weaken its magnetic structure and pulling force.

Finger safety

Watch your fingers. Two large magnets will snap together instantly with a force of several hundred kilograms, destroying everything in their path. Exercise extreme caution!

Threat to navigation

A strong magnetic field disrupts the operation of magnetometers in phones and navigation systems. Maintain magnets close to a smartphone to prevent damaging the sensors.

Respect the power

Be careful. Rare earth magnets attract from a distance and connect with huge force, often quicker than you can react.

Safe distance

Data protection: Neodymium magnets can damage payment cards and delicate electronics (heart implants, medical aids, mechanical watches).

Security! Need more info? Check our post: Are neodymium magnets dangerous?

MPL 30x10x8 / N38 - lamellar magnet

Product card - MPL 30x10x8 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering modeling of the assembly - report

Table 1: Static force (pull vs distance) - power drop MPL 30x10x8 / N38

Table 2: Vertical load (vertical surface) MPL 30x10x8 / N38

Table 3: Wall mounting (sliding) - vertical pull MPL 30x10x8 / N38

Table 4: Material efficiency (substrate influence) - sheet metal selection MPL 30x10x8 / N38

Table 5: Thermal resistance (material behavior) - power drop MPL 30x10x8 / N38

Table 6: Two magnets (attraction) - field range MPL 30x10x8 / N38

Table 7: Protective zones (implants) - warnings MPL 30x10x8 / N38

Table 8: Impact energy (kinetic energy) - warning MPL 30x10x8 / N38

Table 9: Surface protection spec MPL 30x10x8 / N38

Table 10: Construction data (Flux) MPL 30x10x8 / N38

Table 11: Physics of underwater searching MPL 30x10x8 / N38

1. Shear force

2. Plate thickness effect

3. Heat tolerance

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

Material specification

Sustainability

Pulling force

Magnetic Induction

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MW 15x2 / N38 - cylindrical magnet

Pros and cons of Nd2Fe14B magnets.

Pros

Disadvantages

Holding force characteristics

Optimal lifting capacity of a neodymium magnet – what affects it?

What influences lifting capacity in practice

Safe handling of NdFeB magnets

Allergy Warning

Do not drill into magnets

Health Danger

Eye protection

Swallowing risk

Do not overheat magnets

Finger safety

Threat to navigation

Respect the power

Safe distance

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs distance) - power drop
MPL 30x10x8 / N38

Table 2: Vertical load (vertical surface)
MPL 30x10x8 / N38

Table 3: Wall mounting (sliding) - vertical pull
MPL 30x10x8 / N38

Table 4: Material efficiency (substrate influence) - sheet metal selection
MPL 30x10x8 / N38

Table 5: Thermal resistance (material behavior) - power drop
MPL 30x10x8 / N38

Table 6: Two magnets (attraction) - field range
MPL 30x10x8 / N38

Table 7: Protective zones (implants) - warnings
MPL 30x10x8 / N38

Table 8: Impact energy (kinetic energy) - warning
MPL 30x10x8 / N38

Table 9: Surface protection spec
MPL 30x10x8 / N38

Table 10: Construction data (Flux)
MPL 30x10x8 / N38

Table 11: Physics of underwater searching
MPL 30x10x8 / N38

Pros and cons of Nd₂Fe₁₄B magnets.