CM PML-3 / N45 - magnetic gripper
magnetic gripper
Catalog no 100226
GTIN/EAN: 5906301812623
Weight
9400 g
Magnetization Direction
↑ axial
Load capacity
300.00 kg / 2941.99 N
938.99 ZŁ with VAT / pcs + price for transport
763.41 ZŁ net + 23% VAT / pcs
bulk discounts:
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Force and form of a neodymium magnet can be calculated using our
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Physical properties - CM PML-3 / N45 - magnetic gripper
Specification / characteristics - CM PML-3 / N45 - magnetic gripper
| properties | values |
|---|---|
| Cat. no. | 100226 |
| GTIN/EAN | 5906301812623 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| Weight | 9400 g |
| Magnetization Direction | ↑ axial |
| Load capacity ~ ? | 300.00 kg / 2941.99 N |
| Manufacturing Tolerance | ±1 mm |
Magnetic properties of material N45
| properties | values | units |
|---|---|---|
| remenance Br [min. - max.] ? | 13.2-13.7 | kGs |
| remenance Br [min. - max.] ? | 1320-1370 | 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.] ? | 43-45 | BH max MGOe |
| energy density [min. - max.] ? | 342-358 | 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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Pros as well as cons of rare earth magnets.
Pros
- They retain attractive force for around 10 years – the loss is just ~1% (based on simulations),
- They do not lose their magnetic properties even under external field action,
- In other words, due to the glossy layer of nickel, the element is aesthetically pleasing,
- The surface of neodymium magnets generates a unique magnetic field – this is a key feature,
- Through (appropriate) combination of ingredients, they can achieve high thermal resistance, enabling action at temperatures reaching 230°C and above...
- Possibility of accurate creating and adjusting to concrete applications,
- Versatile presence in innovative solutions – they serve a role in computer drives, electric drive systems, diagnostic systems, as well as multitasking production systems.
- Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which makes them useful in miniature devices
Disadvantages
- Brittleness is one of their disadvantages. Upon strong impact they can break. We advise keeping them in a strong case, which not only protects them against impacts but also increases their durability
- Neodymium magnets decrease their power 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 durability even at temperatures up to 230°C
- Magnets exposed to a humid environment can corrode. Therefore during using outdoors, we suggest using water-impermeable magnets made of rubber, plastic or other material protecting against moisture
- Limited ability of making threads in the magnet and complex shapes - preferred is a housing - mounting mechanism.
- Potential hazard related to microscopic parts of magnets pose a threat, in case of ingestion, which is particularly important in the context of child health protection. Furthermore, tiny parts of these devices are able to be problematic in diagnostics medical after entering the body.
- High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which can limit application in large quantities
Lifting parameters
Breakaway strength of the magnet in ideal conditions – what contributes to it?
- using a base made of low-carbon steel, acting as a circuit closing element
- with a cross-section no less than 10 mm
- with an ideally smooth touching surface
- without any air gap between the magnet and steel
- during detachment in a direction perpendicular to the plane
- in stable room temperature
Impact of factors on magnetic holding capacity in practice
- Clearance – existence of foreign body (paint, tape, gap) interrupts the magnetic circuit, which lowers power rapidly (even by 50% at 0.5 mm).
- Force direction – note that the magnet has greatest strength perpendicularly. Under shear forces, the capacity drops drastically, often to levels of 20-30% of the nominal value.
- Base massiveness – too thin steel causes magnetic saturation, causing part of the flux to be wasted to the other side.
- Plate material – mild steel gives the best results. Alloy steels reduce magnetic properties and lifting capacity.
- Smoothness – full contact is obtained only on smooth steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
- Temperature influence – high temperature reduces pulling force. Too high temperature can permanently demagnetize the magnet.
Lifting capacity was determined with the use of a smooth steel plate of suitable thickness (min. 20 mm), under vertically applied force, however under attempts to slide the magnet the load capacity is reduced by as much as 75%. Moreover, even a slight gap between the magnet and the plate decreases the lifting capacity.
Safety rules for work with NdFeB magnets
Implant safety
Medical warning: Strong magnets can turn off pacemakers and defibrillators. Do not approach if you have electronic implants.
Keep away from computers
Avoid bringing magnets close to a purse, computer, or TV. The magnetic field can irreversibly ruin these devices and erase data from cards.
Finger safety
Watch your fingers. Two powerful magnets will join immediately with a force of several hundred kilograms, crushing everything in their path. Be careful!
Safe operation
Before use, read the rules. Sudden snapping can break the magnet or hurt your hand. Think ahead.
Metal Allergy
Some people suffer from a hypersensitivity to nickel, which is the typical protective layer for neodymium magnets. Frequent touching might lead to skin redness. It is best to use protective gloves.
Do not give to children
Always store magnets away from children. Risk of swallowing is high, and the consequences of magnets clamping inside the body are very dangerous.
Dust is flammable
Powder produced during machining of magnets is self-igniting. Do not drill into magnets unless you are an expert.
Thermal limits
Watch the temperature. Heating the magnet to high heat will destroy its magnetic structure and pulling force.
Impact on smartphones
An intense magnetic field negatively affects the functioning of magnetometers in smartphones and navigation systems. Maintain magnets close to a smartphone to prevent breaking the sensors.
Magnet fragility
Despite the nickel coating, neodymium is delicate and not impact-resistant. Avoid impacts, as the magnet may shatter into sharp, dangerous pieces.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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