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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Technical of the product - 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% |
Environmental data
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Advantages as well as disadvantages of rare earth magnets.
Strengths
- They virtually do not lose power, because even after ten years the performance loss is only ~1% (according to literature),
- Magnets very well defend themselves against demagnetization caused by external fields,
- Thanks to the shiny finish, the coating of nickel, gold-plated, or silver-plated gives an elegant appearance,
- They feature high magnetic induction at the operating surface, making them more effective,
- Due to their durability and thermal resistance, neodymium magnets are capable of operate (depending on the form) even at high temperatures reaching 230°C or more...
- Thanks to the potential of accurate molding and customization to unique requirements, NdFeB magnets can be manufactured in a broad palette of geometric configurations, which makes them more universal,
- Huge importance in future technologies – they are commonly used in magnetic memories, electric drive systems, diagnostic systems, and modern systems.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Limitations
- They are prone to damage upon too strong impacts. To avoid cracks, it is worth securing magnets in special housings. Such protection not only shields the magnet but also increases its resistance to damage
- NdFeB magnets lose force when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
- When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation as well as corrosion.
- We suggest cover - magnetic mechanism, due to difficulties in realizing nuts inside the magnet and complicated forms.
- Health risk resulting from small fragments of magnets pose a threat, if swallowed, which gains importance in the context of child safety. Furthermore, tiny parts of these devices are able to be problematic in diagnostics medical in case of swallowing.
- High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Holding force characteristics
Maximum holding power of the magnet – what contributes to it?
- with the contact of a sheet made of special test steel, guaranteeing full magnetic saturation
- possessing a massiveness of min. 10 mm to ensure full flux closure
- with an polished touching surface
- without the slightest clearance between the magnet and steel
- for force applied at a right angle (pull-off, not shear)
- at conditions approx. 20°C
What influences lifting capacity in practice
- Gap (between the magnet and the metal), as even a tiny distance (e.g. 0.5 mm) can cause a drastic drop in force by up to 50% (this also applies to varnish, rust or debris).
- Direction of force – maximum parameter is obtained only during pulling at a 90° angle. The resistance to sliding of the magnet along the plate is usually several times smaller (approx. 1/5 of the lifting capacity).
- Plate thickness – insufficiently thick sheet does not close the flux, causing part of the flux to be escaped into the air.
- Steel grade – the best choice is high-permeability steel. Stainless steels may generate lower lifting capacity.
- Smoothness – ideal contact is obtained only on smooth steel. Rough texture reduce the real contact area, reducing force.
- Temperature – temperature increase causes a temporary drop of induction. It is worth remembering the maximum operating temperature for a given model.
Holding force was tested on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, however under attempts to slide the magnet the lifting capacity is smaller. In addition, even a slight gap between the magnet’s surface and the plate decreases the lifting capacity.
Warnings
Demagnetization risk
Avoid heat. NdFeB magnets are susceptible to heat. If you require resistance above 80°C, look for special high-temperature series (H, SH, UH).
Do not give to children
Only for adults. Tiny parts can be swallowed, causing severe trauma. Keep away from kids and pets.
Machining danger
Combustion risk: Rare earth powder is explosive. Avoid machining magnets in home conditions as this may cause fire.
Magnets are brittle
Neodymium magnets are sintered ceramics, which means they are very brittle. Clashing of two magnets will cause them breaking into small pieces.
Sensitization to coating
A percentage of the population experience a sensitization to Ni, which is the standard coating for neodymium magnets. Frequent touching may cause a rash. We strongly advise wear safety gloves.
Conscious usage
Before use, check safety instructions. Sudden snapping can break the magnet or hurt your hand. Be predictive.
Physical harm
Protect your hands. Two large magnets will join immediately with a force of several hundred kilograms, crushing anything in their path. Exercise extreme caution!
Safe distance
Intense magnetic fields can erase data on payment cards, HDDs, and other magnetic media. Stay away of at least 10 cm.
Pacemakers
Individuals with a ICD should maintain an safe separation from magnets. The magnetism can disrupt the functioning of the life-saving device.
Magnetic interference
GPS units and smartphones are highly sensitive to magnetic fields. Direct contact with a strong magnet can ruin the internal compass in your phone.
Tabela kosztu i czasu dostawy
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23.00 ZŁ
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