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
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Technical - 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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Advantages as well as disadvantages of Nd2Fe14B magnets.
Strengths
- They virtually do not lose strength, because even after ten years the decline in efficiency is only ~1% (according to literature),
- Neodymium magnets are distinguished by remarkably resistant to loss of magnetic properties caused by magnetic disturbances,
- The use of an elegant layer of noble metals (nickel, gold, silver) causes the element to present itself better,
- They feature high magnetic induction at the operating surface, which affects their effectiveness,
- Through (appropriate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures reaching 230°C and above...
- Due to the option of free forming and adaptation to individualized projects, neodymium magnets can be modeled in a variety of forms and dimensions, which expands the range of possible applications,
- Wide application in high-tech industry – they are commonly used in computer drives, electromotive mechanisms, precision medical tools, also technologically advanced constructions.
- Compactness – despite small sizes they provide effective action, making them ideal for precision applications
Cons
- They are prone to damage upon too strong impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
- When exposed to high temperature, neodymium magnets experience a drop in strength. Often, when the temperature exceeds 80°C, their strength 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 - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Due to limitations in realizing nuts and complex forms in magnets, we propose using a housing - magnetic mechanism.
- Potential hazard to health – tiny shards of magnets pose a threat, if swallowed, which becomes key in the context of child safety. It is also worth noting that small components of these products can complicate diagnosis medical after entering the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which increases costs of application in large quantities
Holding force characteristics
Maximum lifting capacity of the magnet – what contributes to it?
- on a plate made of mild steel, optimally conducting the magnetic flux
- possessing a thickness of at least 10 mm to avoid saturation
- characterized by smoothness
- without the slightest clearance between the magnet and steel
- for force applied at a right angle (in the magnet axis)
- at standard ambient temperature
Practical lifting capacity: influencing factors
- Gap between magnet and steel – every millimeter of separation (caused e.g. by varnish or dirt) diminishes the pulling force, often by half at just 0.5 mm.
- Force direction – declared lifting capacity refers to detachment vertically. When slipping, the magnet exhibits much less (often approx. 20-30% of maximum force).
- Element thickness – for full efficiency, the steel must be adequately massive. Paper-thin metal limits the attraction force (the magnet "punches through" it).
- Steel type – low-carbon steel attracts best. Alloy steels lower magnetic permeability and lifting capacity.
- Smoothness – full contact is possible only on smooth steel. Any scratches and bumps reduce the real contact area, reducing force.
- Temperature influence – hot environment reduces 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 a perpendicular pulling force, however under parallel forces the holding force is lower. Moreover, even a minimal clearance between the magnet’s surface and the plate decreases the load capacity.
Warnings
Safe operation
Before starting, check safety instructions. Uncontrolled attraction can break the magnet or hurt your hand. Think ahead.
Electronic hazard
Avoid bringing magnets near a purse, computer, or screen. The magnetism can destroy these devices and erase data from cards.
Dust explosion hazard
Combustion risk: Rare earth powder is explosive. Do not process magnets without safety gear as this risks ignition.
Threat to navigation
Remember: rare earth magnets produce a field that confuses precision electronics. Keep a separation from your mobile, tablet, and GPS.
Life threat
Medical warning: Neodymium magnets can deactivate heart devices and defibrillators. Do not approach if you have electronic implants.
Physical harm
Big blocks can smash fingers in a fraction of a second. Under no circumstances put your hand betwixt two attracting surfaces.
Maximum temperature
Watch the temperature. Exposing the magnet above 80 degrees Celsius will permanently weaken its magnetic structure and pulling force.
Fragile material
Despite the nickel coating, neodymium is brittle and not impact-resistant. Avoid impacts, as the magnet may crumble into hazardous fragments.
Adults only
These products are not suitable for play. Swallowing multiple magnets may result in them connecting inside the digestive tract, which constitutes a critical condition and necessitates immediate surgery.
Avoid contact if allergic
Nickel alert: The nickel-copper-nickel coating contains nickel. If skin irritation happens, immediately stop working with magnets and use protective gear.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
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14.99 ZŁ
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Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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