GM 100x38x13 / N52 - weapon holder
weapon holder
Catalog no 330454
GTIN/EAN: 5906301814719
length
100 mm [±1 mm]
Width
38 mm [±1 mm]
Height
13 mm [±1 mm]
Weight
148 g
Magnetization Direction
↑ axial
Load capacity
5.00 kg / 49.03 N
65.50 ZŁ with VAT / pcs + price for transport
53.25 ZŁ net + 23% VAT / pcs
bulk discounts:
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Product card - GM 100x38x13 / N52 - weapon holder
Specification / characteristics - GM 100x38x13 / N52 - weapon holder
| properties | values |
|---|---|
| Cat. no. | 330454 |
| GTIN/EAN | 5906301814719 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| length | 100 mm [±1 mm] |
| Width | 38 mm [±1 mm] |
| Height | 13 mm [±1 mm] |
| Weight | 148 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 5.00 kg / 49.03 N |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N52
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 14.2-14.7 | kGs |
| remenance Br [min. - max.] ? | 1420-1470 | mT |
| coercivity bHc ? | 10.8-12.5 | kOe |
| coercivity bHc ? | 860-995 | kA/m |
| actual internal force iHc | ≥ 12 | kOe |
| actual internal force iHc | ≥ 955 | kA/m |
| energy density [min. - max.] ? | 48-53 | BH max MGOe |
| energy density [min. - max.] ? | 380-422 | 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 |
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% |
Ecology and recycling (GPSR)
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Strengths and weaknesses of neodymium magnets.
Pros
- They have stable power, and over more than ten years their attraction force decreases symbolically – ~1% (in testing),
- Magnets perfectly protect themselves against loss of magnetization caused by external fields,
- By applying a reflective coating of nickel, the element gains an aesthetic look,
- Magnets possess huge 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 form) at temperatures up to 230°C and above...
- Possibility of individual shaping as well as adjusting to defined conditions,
- Key role in future technologies – they are used in computer drives, motor assemblies, medical devices, also technologically advanced constructions.
- Thanks to concentrated force, small magnets offer high operating force, in miniature format,
Disadvantages
- At strong impacts they can crack, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- Neodymium magnets decrease their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their power. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 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 as well as corrosion.
- We recommend casing - magnetic holder, due to difficulties in realizing threads inside the magnet and complicated forms.
- Potential hazard resulting from small fragments of magnets are risky, if swallowed, which becomes key in the aspect of protecting the youngest. Furthermore, small elements of these devices are able to be problematic in diagnostics medical when they are in the body.
- Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications
Pull force analysis
Optimal lifting capacity of a neodymium magnet – what it depends on?
- using a base made of mild steel, serving as a ideal flux conductor
- whose transverse dimension equals approx. 10 mm
- with an ground touching surface
- with zero gap (no coatings)
- under axial application of breakaway force (90-degree angle)
- at room temperature
Impact of factors on magnetic holding capacity in practice
- Clearance – existence of any layer (rust, dirt, air) interrupts the magnetic circuit, which reduces power steeply (even by 50% at 0.5 mm).
- Angle of force application – highest force is available only during perpendicular pulling. The force required to slide of the magnet along the plate is typically several times smaller (approx. 1/5 of the lifting capacity).
- Element thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal restricts the attraction force (the magnet "punches through" it).
- Material composition – not every steel reacts the same. High carbon content weaken the attraction effect.
- Surface condition – smooth surfaces ensure maximum contact, which improves field saturation. Rough surfaces reduce efficiency.
- Thermal factor – high temperature weakens pulling force. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity was measured with the use of a steel plate with a smooth surface of suitable thickness (min. 20 mm), under vertically applied force, however under parallel forces the holding force is lower. Moreover, even a small distance between the magnet’s surface and the plate reduces the holding force.
Precautions when working with neodymium magnets
Life threat
Warning for patients: Strong magnetic fields disrupt medical devices. Keep at least 30 cm distance or request help to handle the magnets.
Nickel allergy
Medical facts indicate that nickel (standard magnet coating) is a common allergen. For allergy sufferers, prevent touching magnets with bare hands and choose versions in plastic housing.
Bodily injuries
Big blocks can break fingers in a fraction of a second. Do not put your hand betwixt two attracting surfaces.
Demagnetization risk
Standard neodymium magnets (grade N) lose power when the temperature surpasses 80°C. This process is irreversible.
Choking Hazard
Always store magnets out of reach of children. Ingestion danger is significant, and the consequences of magnets clamping inside the body are fatal.
Magnet fragility
Despite metallic appearance, neodymium is delicate and cannot withstand shocks. Do not hit, as the magnet may shatter into sharp, dangerous pieces.
Impact on smartphones
A powerful magnetic field interferes with the operation of compasses in smartphones and navigation systems. Maintain magnets near a device to avoid breaking the sensors.
Safe distance
Avoid bringing magnets close to a wallet, computer, or TV. The magnetism can destroy these devices and wipe information from cards.
Mechanical processing
Mechanical processing of neodymium magnets poses a fire risk. Neodymium dust oxidizes rapidly with oxygen and is difficult to extinguish.
Do not underestimate power
Use magnets with awareness. Their immense force can shock even professionals. Plan your moves and respect their force.
Tabela kosztu i czasu dostawy
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Płatność przy odbiorze (pobranie):
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