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MW 7x1.5 / 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 010393

GTIN/EAN: 5906301811091

5.00

Diameter Ø

7 mm [±0,1 mm]

Height

1.5 mm [±0,1 mm]

Weight

0.43 g

Magnetization Direction

↑ axial

Load capacity

0.69 kg / 6.75 N

Magnetic Induction

243.98 mT / 2440 Gs

Coating

[NiCuNi] Nickel

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0.369 ZŁ with VAT / pcs + price for transport

0.300 ZŁ net + 23% VAT / pcs

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Detailed specification - MW 7x1.5 / N38 - cylindrical magnet

Specification / characteristics - MW 7x1.5 / N38 - cylindrical magnet

properties

properties	values
Cat. no.	010393
GTIN/EAN	5906301811091
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	7 mm [±0,1 mm]
Height	1.5 mm [±0,1 mm]
Weight	0.43 g
Magnetization Direction	↑ axial
Load capacity ~ ?	0.69 kg / 6.75 N
Magnetic Induction ~ ?	243.98 mT / 2440 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MW 7x1.5 / 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 analysis of the assembly - technical parameters

The following values represent the outcome of a engineering calculation. Values were calculated on models for the class Nd₂Fe₁₄B. Actual parameters might slightly deviate from the simulation results. Please consider these calculations as a reference point for designers.

Table 1: Static force (pull vs distance) - power drop
MW 7x1.5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	2438 Gs 243.8 mT	0.69 kg / 1.52 lbs 690.0 g / 6.8 N	safe
1 mm	1900 Gs 190.0 mT	0.42 kg / 0.92 lbs 419.1 g / 4.1 N	safe
2 mm	1308 Gs 130.8 mT	0.20 kg / 0.44 lbs 198.6 g / 1.9 N	safe
3 mm	859 Gs 85.9 mT	0.09 kg / 0.19 lbs 85.7 g / 0.8 N	safe
5 mm	380 Gs 38.0 mT	0.02 kg / 0.04 lbs 16.7 g / 0.2 N	safe
10 mm	79 Gs 7.9 mT	0.00 kg / 0.00 lbs 0.7 g / 0.0 N	safe
15 mm	27 Gs 2.7 mT	0.00 kg / 0.00 lbs 0.1 g / 0.0 N	safe
20 mm	12 Gs 1.2 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	safe
30 mm	4 Gs 0.4 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	safe
50 mm	1 Gs 0.1 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	safe

Grip strength decreases sharply with every subsequent millimeter of distance. Remember that even the smallest gap (e.g., contamination, paint, veneer) noticeably weakens the grip. Neodymiums operate most effectively in perfect adhesion; gap drastically cuts the force. Analyze how rapidly the pull force drop, when the magnet does not touch tightly to the metal substrate. When calculating the assembly, eliminate additional spacers.

Table 2: Sliding capacity (vertical surface)
MW 7x1.5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.14 kg / 0.30 lbs 138.0 g / 1.4 N
1 mm	Stal (~0.2)	0.08 kg / 0.19 lbs 84.0 g / 0.8 N
2 mm	Stal (~0.2)	0.04 kg / 0.09 lbs 40.0 g / 0.4 N
3 mm	Stal (~0.2)	0.02 kg / 0.04 lbs 18.0 g / 0.2 N
5 mm	Stal (~0.2)	0.00 kg / 0.01 lbs 4.0 g / 0.0 N
10 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
15 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
20 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
30 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N

The following data indicates the estimated shear load required to initiate the sliding of the magnet down on a vertical metal surface (assuming standard friction coefficient). This parameter is relative to the air gap between the magnet and the metal.

Table 3: Wall mounting (sliding) - vertical pull
MW 7x1.5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.21 kg / 0.46 lbs 207.0 g / 2.0 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.14 kg / 0.30 lbs 138.0 g / 1.4 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.07 kg / 0.15 lbs 69.0 g / 0.7 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	0.35 kg / 0.76 lbs 345.0 g / 3.4 N

When mounting a holder on a upright plane (e.g., a fridge), it you can count on only about 1/5 of nominal attraction strength. Gravity and a low friction coefficient cause that holders move down faster than they pull off. Want to create a hanger? Note that the sliding force is significantly lower than the perpendicular breakaway force. On a smooth steel, the magnet will give way down under a significantly smaller load. Using a rubber layer can effectively increase the grip.

Table 4: Steel thickness (saturation) - power losses
MW 7x1.5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.07 kg / 0.15 lbs 69.0 g / 0.7 N
1 mm	25%	0.17 kg / 0.38 lbs 172.5 g / 1.7 N
2 mm	50%	0.35 kg / 0.76 lbs 345.0 g / 3.4 N
3 mm	75%	0.52 kg / 1.14 lbs 517.5 g / 5.1 N
5 mm	100%	0.69 kg / 1.52 lbs 690.0 g / 6.8 N
10 mm	100%	0.69 kg / 1.52 lbs 690.0 g / 6.8 N
11 mm	100%	0.69 kg / 1.52 lbs 690.0 g / 6.8 N
12 mm	100%	0.69 kg / 1.52 lbs 690.0 g / 6.8 N

A too thin steel is not enough to focus the entire magnetic field, which weakens actual performance of the magnet. If you attach a powerful product to a thin surface, the magnetism will penetrate right through and the holding will be smaller. To squeeze full efficiency of this neodymium's power, you need a suitably thick backing of metal. The saturation effect causes that on delicate walls (e.g., car bodies), the product shows lower pull force. We suggest choosing the steel cross-section based on the following data.

Table 5: Thermal resistance (stability) - power drop
MW 7x1.5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	0.69 kg / 1.52 lbs 690.0 g / 6.8 N	OK
40 °C	-2.2%	0.67 kg / 1.49 lbs 674.8 g / 6.6 N	OK
60 °C	-4.4%	0.66 kg / 1.45 lbs 659.6 g / 6.5 N
80 °C	-6.6%	0.64 kg / 1.42 lbs 644.5 g / 6.3 N
100 °C	-28.8%	0.49 kg / 1.08 lbs 491.3 g / 4.8 N

Classic neodymiums change their properties parameters above the temperature limit. Protect against heat – high temperature can irreversibly demagnetize this magnet. As the temperature rises, the magnet's force briefly decreases. Avoid using this magnet close to ovens higher than its operating temperature limit. Too high temperature will cause destruction of magnetic properties.

*Technical advisory: Heat tolerance is determined by both grade, and the Permeance Coefficient Pc. Thin magnets (low Pc) may lose charge permanently sooner than taller cylinders. The danger warning in the table signals permanent field degradation for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - field collision
MW 7x1.5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	1.41 kg / 3.11 lbs 4 025 Gs	0.21 kg / 0.47 lbs 212 g / 2.1 N	N/A
1 mm	1.15 kg / 2.53 lbs 4 398 Gs	0.17 kg / 0.38 lbs 172 g / 1.7 N	1.03 kg / 2.28 lbs ~0 Gs
2 mm	0.86 kg / 1.89 lbs 3 801 Gs	0.13 kg / 0.28 lbs 129 g / 1.3 N	0.77 kg / 1.70 lbs ~0 Gs
3 mm	0.60 kg / 1.33 lbs 3 185 Gs	0.09 kg / 0.20 lbs 90 g / 0.9 N	0.54 kg / 1.19 lbs ~0 Gs
5 mm	0.27 kg / 0.59 lbs 2 125 Gs	0.04 kg / 0.09 lbs 40 g / 0.4 N	0.24 kg / 0.53 lbs ~0 Gs
10 mm	0.03 kg / 0.08 lbs 759 Gs	0.01 kg / 0.01 lbs 5 g / 0.1 N	0.03 kg / 0.07 lbs ~0 Gs
20 mm	0.00 kg / 0.00 lbs 159 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
50 mm	0.00 kg / 0.00 lbs 13 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
60 mm	0.00 kg / 0.00 lbs 8 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
70 mm	0.00 kg / 0.00 lbs 5 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
80 mm	0.00 kg / 0.00 lbs 3 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
90 mm	0.00 kg / 0.00 lbs 2 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 2 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two magnetic products attract each other from a significantly greater distance than a neodymium and metal combination. The setup of magnet-to-magnet generates a stronger field and a larger range of action. Designing a solid fastener? Utilize two neodymiums instead of a neodymium and a steel. Be careful that when connecting a pair of magnets, the pinch force is extreme. The repulsion force is slightly lower than the attraction, but still significant.
*Field value between like poles drops to ~0 Gs in the exact middle between the magnets (caused by magnetic field nullification).
Note: Estimates demonstrate friction force of two identical neodymium magnets (friction ~0.15 for Ni-Ni layer).

Table 7: Safety (HSE) (electronics) - warnings
MW 7x1.5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	3.0 cm
Hearing aid	10 Gs (1.0 mT)	2.5 cm
Timepiece	20 Gs (2.0 mT)	2.0 cm
Mobile device	40 Gs (4.0 mT)	1.5 cm
Remote	50 Gs (5.0 mT)	1.5 cm
Payment card	400 Gs (40.0 mT)	0.5 cm
HDD hard drive	600 Gs (60.0 mT)	0.5 cm

A strong magnetic field poses a real danger to IT equipment and medical implants. These magnets generate a field that destroys function of digital equipment. Be aware: the unseen radiation penetrates the body and glass. Special caution must be exercised by people with hearing aids and drug dispensers. Also at risk are: mechanical watches, car keys, membranes, and displays. Avoid contact with magnetic cards, HDD media, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - collision effects
MW 7x1.5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	40.43 km/h (11.23 m/s)	0.03 J
30 mm	69.97 km/h (19.44 m/s)	0.08 J
50 mm	90.34 km/h (25.09 m/s)	0.14 J
100 mm	127.75 km/h (35.49 m/s)	0.27 J

NdFeB products are very brittle – a strong collision with metal can result in shattering. Watch the impact speed – a magnet released freely speeds with massive force. Kinetic force can trigger coating fragments or dangerous crushing to fingers. Hold the magnet firmly during installation so it doesn't slam with momentum against the steel surface. A contact at a velocity of dozens of km/h almost guarantees destruction of the magnet. Wear safety glasses when handling with powerful specimens.

Table 9: Anti-corrosion coating durability
MW 7x1.5 / 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: Construction data (P_c)
MW 7x1.5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	1 075 Mx	10.8 µWb
P_c Coefficient	0.31	Low (Flat)

Flux value passing through the magnet pole. Essential parameter for generator designers and motors. P_c value determines the working geometry.

Table 11: Underwater work (magnet fishing)
MW 7x1.5 / N38

Environment	Effective steel pull	Effect
Air (land)	0.69 kg	Standard
Water (riverbed)	0.79 kg (+0.10 kg buoyancy gain)	+14.5%

Corrosion warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.

The magnetic field penetrates through water without any losses. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.

1. Shear force

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

2. Steel thickness impact

*Thin steel (e.g. computer case) drastically reduces the holding force.

3. Power loss vs temp

*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) = 0.31

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.

Engineering data and GPSR

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

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: 010393-2026

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SM 25x275 [2xM8] / N52 - magnetic separator

836.40 ZŁ brutto / pcs

The presented product is an incredibly powerful cylindrical magnet, composed of durable NdFeB material, which, at dimensions of Ø7x1.5 mm, guarantees optimal power. This specific item boasts an accuracy of ±0.1mm and industrial build quality, making it an ideal solution for the most demanding engineers and designers. As a magnetic rod with significant force (approx. 0.69 kg), this product is in stock from our warehouse in Poland, ensuring rapid order fulfillment. Moreover, its Ni-Cu-Ni coating effectively protects it against corrosion in standard 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 6.75 N with a weight of only 0.43 g, this cylindrical magnet is indispensable in miniature devices and wherever every gram matters.

Due to the brittleness of the NdFeB material, you must not use force-fitting (so-called press-fit), as this risks immediate cracking of this precision component. To ensure stability in automation, specialized industrial adhesives are used, which do not react with the nickel coating and fill the gap, guaranteeing durability of the connection.

Magnets N38 are suitable for 90% of applications in automation and machine building, where extreme miniaturization with maximum force is not required. If you need even stronger magnets in the same volume (Ø7x1.5), contact us regarding higher grades (e.g., N50, N52), however, N38 is the standard available off-the-shelf in our warehouse.

The presented product is a neodymium magnet with precisely defined parameters: diameter 7 mm and height 1.5 mm. The key parameter here is the lifting capacity amounting to approximately 0.69 kg (force ~6.75 N), which, with such defined dimensions, proves the high power of the NdFeB material. The product has a [NiCuNi] coating, which secures it against external factors, giving it an aesthetic, silvery shine.

This cylinder is magnetized axially (along the height of 1.5 mm), which means that the N and S poles are located on the flat, circular surfaces. Such an arrangement is standard when connecting magnets in stacks (e.g., in filters) or when mounting in sockets at the bottom of a hole. On request, we can also produce versions magnetized through the diameter if your project requires it.

Pros and cons of Nd₂Fe₁₄B magnets.

Strengths

Besides their high retention, neodymium magnets are valued for these benefits:

They do not lose strength, even during around ten years – the drop in lifting capacity is only ~1% (theoretically),
Neodymium magnets are exceptionally resistant to demagnetization caused by external interference,
The use of an aesthetic coating of noble metals (nickel, gold, silver) causes the element to present itself better,
Magnets are distinguished by exceptionally strong magnetic induction on the surface,
Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
Thanks to freedom in forming and the capacity to customize to specific needs,
Key role in high-tech industry – they find application in hard drives, motor assemblies, medical equipment, also multitasking production systems.
Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Disadvantages

Disadvantages of neodymium magnets:

Susceptibility to cracking is one of their disadvantages. Upon strong impact they can fracture. We recommend keeping them in a special holder, which not only secures them against impacts but also raises their durability
Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material resistant to moisture, in case of application outdoors
We recommend cover - magnetic mount, due to difficulties in creating threads inside the magnet and complicated forms.
Possible danger to health – tiny shards of magnets are risky, in case of ingestion, which is particularly important in the context of child health protection. Furthermore, tiny parts of these magnets are able to be problematic in diagnostics medical after entering the body.
With mass production the cost of neodymium magnets can be a barrier,

Pull force analysis

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

Magnet power was determined for optimal configuration, including:

on a base made of mild steel, optimally conducting the magnetic field
possessing a thickness of minimum 10 mm to avoid saturation
with a surface perfectly flat
without the slightest clearance between the magnet and steel
under perpendicular application of breakaway force (90-degree angle)
at temperature approx. 20 degrees Celsius

Lifting capacity in real conditions – factors

It is worth knowing that the application force will differ subject to elements below, in order of importance:

Gap between surfaces – every millimeter of distance (caused e.g. by varnish or unevenness) drastically reduces the magnet efficiency, often by half at just 0.5 mm.
Pull-off angle – note that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops significantly, often to levels of 20-30% of the maximum value.
Steel thickness – too thin sheet causes magnetic saturation, causing part of the power to be wasted into the air.
Steel grade – ideal substrate is high-permeability steel. Cast iron may attract less.
Surface finish – full contact is possible only on polished steel. Rough texture create air cushions, reducing force.
Heat – neodymium magnets have a sensitivity to temperature. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Lifting capacity testing was conducted on a smooth plate of suitable thickness, under perpendicular forces, in contrast under parallel forces the holding force is lower. Moreover, even a slight gap between the magnet and the plate decreases the holding force.

Warnings

Bone fractures

Large magnets can crush fingers instantly. Under no circumstances place your hand between two strong magnets.

Machining danger

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

Allergy Warning

A percentage of the population suffer from a hypersensitivity to Ni, which is the typical protective layer for NdFeB magnets. Prolonged contact may cause skin redness. We suggest use safety gloves.

Choking Hazard

Always store magnets away from children. Risk of swallowing is high, and the effects of magnets clamping inside the body are life-threatening.

Protective goggles

Watch out for shards. Magnets can fracture upon uncontrolled impact, launching sharp fragments into the air. Wear goggles.

Handling rules

Handle magnets consciously. Their immense force can shock even experienced users. Plan your moves and respect their force.

Medical implants

Life threat: Strong magnets can deactivate pacemakers and defibrillators. Stay away if you have electronic implants.

Power loss in heat

Standard neodymium magnets (N-type) lose power when the temperature exceeds 80°C. Damage is permanent.

Protect data

Device Safety: Strong magnets can ruin data carriers and sensitive devices (heart implants, hearing aids, timepieces).

Phone sensors

Navigation devices and mobile phones are extremely susceptible to magnetic fields. Direct contact with a strong magnet can permanently damage the internal compass in your phone.

Warning! Learn more about risks in the article: Magnet Safety Guide.

MW 7x1.5 / N38 - cylindrical magnet

Detailed specification - MW 7x1.5 / N38 - cylindrical magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering analysis of the assembly - technical parameters

Table 1: Static force (pull vs distance) - power drop MW 7x1.5 / N38

Table 2: Sliding capacity (vertical surface) MW 7x1.5 / N38

Table 3: Wall mounting (sliding) - vertical pull MW 7x1.5 / N38

Table 4: Steel thickness (saturation) - power losses MW 7x1.5 / N38

Table 5: Thermal resistance (stability) - power drop MW 7x1.5 / N38

Table 6: Magnet-Magnet interaction (attraction) - field collision MW 7x1.5 / N38

Table 7: Safety (HSE) (electronics) - warnings MW 7x1.5 / N38

Table 8: Impact energy (kinetic energy) - collision effects MW 7x1.5 / N38

Table 9: Anti-corrosion coating durability MW 7x1.5 / N38

Table 10: Construction data (Pc) MW 7x1.5 / N38

Table 11: Underwater work (magnet fishing) MW 7x1.5 / N38

1. Shear force

2. Steel thickness impact

3. Power loss vs temp

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

Elemental analysis

Environmental data

Magnet pull force

Field Strength

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SM 25x275 [2xM8] / N52 - magnetic separator

Pros and cons of Nd2Fe14B magnets.

Strengths

Disadvantages

Pull force analysis

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

Lifting capacity in real conditions – factors

Warnings

Bone fractures

Machining danger

Allergy Warning

Choking Hazard

Protective goggles

Handling rules

Medical implants

Power loss in heat

Protect data

Phone sensors

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs distance) - power drop
MW 7x1.5 / N38

Table 2: Sliding capacity (vertical surface)
MW 7x1.5 / N38

Table 3: Wall mounting (sliding) - vertical pull
MW 7x1.5 / N38

Table 4: Steel thickness (saturation) - power losses
MW 7x1.5 / N38

Table 5: Thermal resistance (stability) - power drop
MW 7x1.5 / N38

Table 6: Magnet-Magnet interaction (attraction) - field collision
MW 7x1.5 / N38

Table 7: Safety (HSE) (electronics) - warnings
MW 7x1.5 / N38

Table 8: Impact energy (kinetic energy) - collision effects
MW 7x1.5 / N38

Table 9: Anti-corrosion coating durability
MW 7x1.5 / N38

Table 10: Construction data (P_c)
MW 7x1.5 / N38

Table 11: Underwater work (magnet fishing)
MW 7x1.5 / N38

Pros and cons of Nd₂Fe₁₄B magnets.