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 specification 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 |
Chemical composition
| 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 and disadvantages of neodymium magnets.
Strengths
- They do not lose magnetism, even during around ten years – the reduction in lifting capacity is only ~1% (theoretically),
- Neodymium magnets are extremely resistant to loss of magnetic properties caused by external magnetic fields,
- A magnet with a smooth silver surface has an effective appearance,
- The surface of neodymium magnets generates a intense magnetic field – this is a distinguishing feature,
- Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
- Thanks to flexibility in forming and the ability to adapt to complex applications,
- Huge importance in modern technologies – they serve a role in magnetic memories, electric motors, precision medical tools, as well as other advanced devices.
- Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications
Disadvantages
- At very strong impacts they can break, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
- We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
- Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material immune to moisture, when using outdoors
- Limited possibility of creating nuts in the magnet and complicated forms - recommended is a housing - magnetic holder.
- Potential hazard to health – tiny shards of magnets are risky, when accidentally swallowed, which gains importance in the context of child health protection. Additionally, small elements of these devices are able to be problematic in diagnostics medical after entering the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which can limit application in large quantities
Holding force characteristics
Magnetic strength at its maximum – what it depends on?
- using a base made of high-permeability steel, acting as a ideal flux conductor
- possessing a massiveness of minimum 10 mm to avoid saturation
- with an ideally smooth touching surface
- with total lack of distance (without impurities)
- during pulling in a direction vertical to the mounting surface
- in stable room temperature
Lifting capacity in practice – influencing factors
- Distance – existence of foreign body (paint, tape, gap) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
- Pull-off angle – note that the magnet holds strongest perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
- Steel thickness – insufficiently thick sheet causes magnetic saturation, causing part of the flux to be escaped into the air.
- Material type – the best choice is high-permeability steel. Stainless steels may have worse magnetic properties.
- Surface finish – full contact is obtained only on smooth steel. Rough texture reduce the real contact area, reducing force.
- Thermal conditions – NdFeB sinters have a sensitivity to temperature. At higher temperatures they are weaker, and in frost gain strength (up to a certain limit).
Holding force was measured on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the holding force is lower. Additionally, even a small distance between the magnet and the plate lowers the load capacity.
Precautions when working with neodymium magnets
Safe distance
Avoid bringing magnets close to a purse, laptop, or screen. The magnetic field can permanently damage these devices and erase data from cards.
Precision electronics
A strong magnetic field disrupts the operation of compasses in smartphones and GPS navigation. Do not bring magnets near a smartphone to avoid breaking the sensors.
Magnets are brittle
Despite the nickel coating, the material is delicate and not impact-resistant. Avoid impacts, as the magnet may shatter into sharp, dangerous pieces.
Do not drill into magnets
Fire hazard: Rare earth powder is explosive. Avoid machining magnets without safety gear as this risks ignition.
Pacemakers
Medical warning: Neodymium magnets can turn off pacemakers and defibrillators. Do not approach if you have medical devices.
Bodily injuries
Large magnets can break fingers in a fraction of a second. Never place your hand betwixt two strong magnets.
Power loss in heat
Monitor thermal conditions. Exposing the magnet to high heat will permanently weaken its properties and strength.
Skin irritation risks
Nickel alert: The Ni-Cu-Ni coating consists of nickel. If redness occurs, cease working with magnets and wear gloves.
This is not a toy
Only for adults. Small elements can be swallowed, causing serious injuries. Store away from kids and pets.
Safe operation
Exercise caution. Rare earth magnets attract from a long distance and snap with huge force, often quicker than you can react.
Tabela kosztu i czasu dostawy
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