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CM PML-6 / N45 - magnetic gripper

magnetic gripper

Catalog no 100477

GTIN/EAN: 5906301812630

5.00

Weight

17900 g

Magnetization Direction

↑ axial

Load capacity

600.00 kg / 5883.99 N

product parameters »

1422.00 ZŁ with VAT / pcs + price for transport

1156.10 ZŁ net + 23% VAT / pcs

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Product card - CM PML-6 / N45 - magnetic gripper

Specification / characteristics - CM PML-6 / N45 - magnetic gripper

properties
properties values
Cat. no. 100477
GTIN/EAN 5906301812630
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
Weight 17900 g
Magnetization Direction ↑ axial
Load capacity ~ ? 600.00 kg / 5883.99 N
Manufacturing Tolerance ±1 mm

Magnetic properties of material N45

Specification / characteristics CM PML-6 / N45 - magnetic gripper
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

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
Technical and environmental data
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
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 100477-2026
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It is a current-free device using the energy of permanent magnets inside the body. Switching the magnet on and off is done using a simple lever equipped with a safety lock. The load will not fall automatically, which is crucial in heavy sheet transport.
The nominal capacity of the lifter (e.g., 600.00 kg) is measured in ideal conditions: on smooth and thick steel. Thin sheet, rust, scale, or a thick layer of paint drastically lower real lifting capacity. For safety, it is recommended to oversize the device relative to the load weight (e.g., 300kg capacity for 100kg sheet).
Yes, most of our lifters have a foot with a prism notch (V-shape). This enables universal lifting of both flat sheets and round materials with one device. For shafts, a different weight limit applies than for flat sheets - see rating plate.
The device must withstand a load three times greater than nominal during break tests. This guarantees that the lifter will not drop the load with a slight jerk of the crane. Products have a CE declaration of conformity and meet European machine safety standards.
Regularly check the condition of the magnetic foot for damage and burrs. Mechanical damage to the foot can drastically reduce grip force, creating a hazard. It is worth commissioning lifter attestation once a year to confirm its efficiency.

Advantages and disadvantages of Nd2Fe14B magnets.

Advantages

Besides their remarkable field intensity, neodymium magnets offer the following advantages:
  • They have stable power, and over more than ten years their attraction force decreases symbolically – ~1% (in testing),
  • Magnets very well resist against demagnetization caused by external fields,
  • By using a smooth coating of nickel, the element has an elegant look,
  • Magnets are distinguished by maximum magnetic induction on the surface,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their form) at temperatures up to 230°C and above...
  • Considering the possibility of precise molding and customization to specialized solutions, magnetic components can be produced in a variety of geometric configurations, which makes them more universal,
  • Wide application in modern technologies – they are utilized in mass storage devices, motor assemblies, medical equipment, as well as multitasking production systems.
  • Thanks to their power density, small magnets offer high operating force, occupying minimum space,

Weaknesses

Disadvantages of NdFeB magnets:
  • They are prone to damage upon too strong impacts. To avoid cracks, it is worth protecting magnets in a protective case. Such protection not only shields the magnet but also increases its resistance to damage
  • NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of strength (a factor is the shape as well as dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
  • They rust in a humid environment - during use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • Limited possibility of making nuts in the magnet and complex shapes - preferred is cover - magnetic holder.
  • Potential hazard related to microscopic parts of magnets can be dangerous, in case of ingestion, which is particularly important in the context of child health protection. Additionally, small components of these products can complicate diagnosis medical when they are in the body.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Holding force characteristics

Breakaway strength of the magnet in ideal conditions – what affects it?

Information about lifting capacity is the result of a measurement for ideal contact conditions, taking into account:
  • with the application of a sheet made of low-carbon steel, ensuring full magnetic saturation
  • whose transverse dimension reaches at least 10 mm
  • with an ground touching surface
  • with direct contact (no impurities)
  • for force acting at a right angle (pull-off, not shear)
  • at ambient temperature room level

Determinants of practical lifting force of a magnet

Please note that the application force may be lower depending on elements below, in order of importance:
  • Gap between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the pulling force, often by half at just 0.5 mm.
  • Force direction – catalog parameter refers to detachment vertically. When attempting to slide, the magnet holds much less (often approx. 20-30% of maximum force).
  • Wall thickness – thin material does not allow full use of the magnet. Part of the magnetic field penetrates through instead of converting into lifting capacity.
  • Chemical composition of the base – mild steel gives the best results. Higher carbon content lower magnetic properties and lifting capacity.
  • Plate texture – smooth surfaces ensure maximum contact, which increases force. Uneven metal reduce efficiency.
  • Temperature influence – hot environment reduces magnetic field. Exceeding the limit temperature can permanently damage the magnet.

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under shearing force the holding force is lower. Moreover, even a slight gap between the magnet and the plate reduces the load capacity.

Warnings
Implant safety

Patients with a pacemaker have to keep an large gap from magnets. The magnetism can interfere with the operation of the life-saving device.

Choking Hazard

Absolutely keep magnets away from children. Risk of swallowing is significant, and the consequences of magnets clamping inside the body are life-threatening.

Bone fractures

Large magnets can break fingers in a fraction of a second. Do not place your hand between two strong magnets.

Allergic reactions

Some people have a contact allergy to Ni, which is the typical protective layer for NdFeB magnets. Prolonged contact might lead to skin redness. It is best to use protective gloves.

Magnetic media

Device Safety: Strong magnets can ruin payment cards and delicate electronics (pacemakers, hearing aids, mechanical watches).

Keep away from electronics

A powerful magnetic field disrupts the functioning of magnetometers in phones and GPS navigation. Do not bring magnets near a smartphone to avoid damaging the sensors.

Conscious usage

Before starting, read the rules. Uncontrolled attraction can destroy the magnet or injure your hand. Be predictive.

Do not drill into magnets

Powder produced during cutting of magnets is flammable. Avoid drilling into magnets unless you are an expert.

Maximum temperature

Regular neodymium magnets (grade N) lose magnetization when the temperature exceeds 80°C. Damage is permanent.

Material brittleness

Protect your eyes. Magnets can explode upon uncontrolled impact, ejecting shards into the air. Wear goggles.

Caution! Details about hazards in the article: Magnet Safety Guide.