AM Haczyk M6 - magnetic accessories
magnetic accessories
Catalog no 080507
Coating
[NiCuNi] Nickel
1.230 ZŁ with VAT / pcs + price for transport
1.000 ZŁ net + 23% VAT / pcs
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Technical details - AM Haczyk M6 - magnetic accessories
Specification / characteristics - AM Haczyk M6 - magnetic accessories
| properties | values |
|---|---|
| Cat. no. | 080507 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Coating | [NiCuNi] Nickel |
| Manufacturing Tolerance | ±1 mm |
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 |
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% |
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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Advantages and disadvantages of neodymium magnets.
Benefits
- They virtually do not lose power, because even after 10 years the performance loss is only ~1% (according to literature),
- They maintain their magnetic properties even under close interference source,
- By applying a decorative coating of nickel, the element has an professional look,
- Neodymium magnets deliver maximum magnetic induction on a small area, which ensures high operational effectiveness,
- Thanks to resistance to high temperature, they are capable of working (depending on the shape) even at temperatures up to 230°C and higher...
- Considering the potential of accurate forming and customization to custom projects, neodymium magnets can be manufactured in a variety of forms and dimensions, which increases their versatility,
- Wide application in advanced technology sectors – they find application in computer drives, electric drive systems, medical equipment, and industrial machines.
- Thanks to their power density, small magnets offer high operating force, occupying minimum space,
Cons
- They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only shields the magnet but also increases its resistance to damage
- When exposed to high temperature, neodymium magnets experience a drop in power. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- They rust in a humid environment. For use outdoors we advise using waterproof magnets e.g. in rubber, plastic
- We recommend a housing - magnetic holder, due to difficulties in realizing nuts inside the magnet and complex forms.
- Possible danger related to microscopic parts of magnets are risky, if swallowed, which is particularly important in the context of child safety. It is also worth noting that small components of these products are able to disrupt the diagnostic process medical when they are in the body.
- With mass production the cost of neodymium magnets is economically unviable,
Pull force analysis
Optimal lifting capacity of a neodymium magnet – what affects it?
- on a base made of mild steel, effectively closing the magnetic flux
- whose thickness reaches at least 10 mm
- with an ideally smooth contact surface
- without the slightest air gap between the magnet and steel
- for force applied at a right angle (in the magnet axis)
- in temp. approx. 20°C
Practical aspects of lifting capacity – factors
- Gap between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
- Pull-off angle – note that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the nominal value.
- Substrate thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
- Material type – the best choice is pure iron steel. Stainless steels may generate lower lifting capacity.
- Surface condition – smooth surfaces guarantee perfect abutment, which increases force. Uneven metal weaken the grip.
- Thermal factor – high temperature weakens magnetic field. Exceeding the limit temperature can permanently demagnetize the magnet.
Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under perpendicular forces, in contrast under shearing force the lifting capacity is smaller. Additionally, even a slight gap between the magnet’s surface and the plate lowers the load capacity.
Precautions when working with neodymium magnets
Serious injuries
Risk of injury: The pulling power is so immense that it can result in hematomas, crushing, and broken bones. Use thick gloves.
Operating temperature
Avoid heat. Neodymium magnets are sensitive to temperature. If you need resistance above 80°C, inquire about HT versions (H, SH, UH).
Safe distance
Very strong magnetic fields can erase data on payment cards, hard drives, and other magnetic media. Keep a distance of min. 10 cm.
Danger to pacemakers
For implant holders: Powerful magnets disrupt medical devices. Maintain at least 30 cm distance or ask another person to handle the magnets.
Swallowing risk
Strictly keep magnets out of reach of children. Choking hazard is significant, and the consequences of magnets clamping inside the body are life-threatening.
Fire warning
Fire warning: Rare earth powder is highly flammable. Do not process magnets in home conditions as this risks ignition.
Do not underestimate power
Handle with care. Neodymium magnets attract from a distance and connect with massive power, often quicker than you can move away.
Shattering risk
NdFeB magnets are sintered ceramics, which means they are very brittle. Impact of two magnets leads to them breaking into shards.
Avoid contact if allergic
A percentage of the population suffer from a sensitization to Ni, which is the typical protective layer for neodymium magnets. Frequent touching can result in skin redness. It is best to wear safety gloves.
Phone sensors
Be aware: rare earth magnets produce a field that disrupts sensitive sensors. Keep a safe distance from your phone, device, and navigation systems.
Tabela kosztu i czasu dostawy
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