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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

see properties »

1422.00 ZŁ with VAT / pcs + price for transport

1156.10 ZŁ net + 23% VAT / pcs

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Parameters along with shape of neodymium magnets can be calculated using our online calculation tool.

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Technical details - 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
Engineering data and GPSR
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%
Environmental data
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
Magnet Unit Converter
Force (pull)
Magnetic Field
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The magnetic lifter works based on powerful neodymium magnets and does not require any external power supply. Control consists of mechanical rotation of the magnetic shaft, which closes or opens the magnetic flux. This is a safe solution because the magnet will not drop the load upon mains voltage loss.
Catalog parameters refer to optimal conditions (thick steel plate, no rust or paint). Force is affected by material thickness (the thinner, the weaker it holds - magnetic saturation occurs). Always choose a lifter with power reserve, checking the thickness table for a specific load.
The lower part design allows stable gripping of cylindrical and flat elements. The lifter is a 2-in-1 tool - it handles flat bars and turned elements. For shafts, a different weight limit applies than for flat sheets - see rating plate.
The safety standard in our offer is a multiple of 3:1 (or higher for premium models). This guarantees that the lifter will not drop the load with a slight jerk of the crane. Despite this, staying under a hanging load is strictly forbidden.
Most important is keeping the bottom surface of the lifter clean and smooth. 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.

Strengths and weaknesses of neodymium magnets.

Benefits

Besides their magnetic performance, neodymium magnets are valued for these benefits:
  • They have unchanged lifting capacity, and over more than 10 years their performance decreases symbolically – ~1% (according to theory),
  • Neodymium magnets are highly resistant to loss of magnetic properties caused by external magnetic fields,
  • In other words, due to the reflective finish of nickel, the element becomes visually attractive,
  • The surface of neodymium magnets generates a concentrated magnetic field – this is a distinguishing feature,
  • Due to their durability and thermal resistance, neodymium magnets can operate (depending on the shape) even at high temperatures reaching 230°C or more...
  • In view of the possibility of flexible forming and customization to unique projects, neodymium magnets can be produced in a variety of shapes and sizes, which expands the range of possible applications,
  • Universal use in high-tech industry – they are used in data components, electromotive mechanisms, diagnostic systems, as well as industrial machines.
  • Relatively small size with high pulling force – neodymium magnets offer high power in tiny dimensions, which enables their usage in miniature devices

Weaknesses

Disadvantages of NdFeB magnets:
  • Susceptibility to cracking is one of their disadvantages. Upon intense impact they can break. We recommend keeping them in a strong case, which not only secures them against impacts but also raises their durability
  • Neodymium magnets lose their strength under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
  • When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which prevent oxidation and corrosion.
  • We recommend casing - magnetic holder, due to difficulties in creating threads inside the magnet and complicated shapes.
  • Health risk to health – tiny shards of magnets pose a threat, in case of ingestion, which gains importance in the context of child safety. It is also worth noting that small components of these devices are able to complicate diagnosis medical after entering the body.
  • With budget limitations the cost of neodymium magnets is economically unviable,

Lifting parameters

Magnetic strength at its maximum – what contributes to it?

The load parameter shown represents the limit force, measured under laboratory conditions, specifically:
  • with the application of a sheet made of special test steel, ensuring maximum field concentration
  • whose thickness is min. 10 mm
  • with an ideally smooth touching surface
  • under conditions of no distance (metal-to-metal)
  • during detachment in a direction perpendicular to the plane
  • at standard ambient temperature

Determinants of practical lifting force of a magnet

Effective lifting capacity is affected by working environment parameters, such as (from priority):
  • Air gap (betwixt the magnet and the metal), since even a microscopic clearance (e.g. 0.5 mm) can cause a decrease in lifting capacity by up to 50% (this also applies to paint, corrosion or debris).
  • Force direction – declared lifting capacity refers to pulling vertically. When slipping, the magnet holds much less (typically approx. 20-30% of nominal force).
  • Base massiveness – insufficiently thick steel does not accept the full field, causing part of the flux to be lost into the air.
  • Material composition – not every steel reacts the same. High carbon content worsen the interaction with the magnet.
  • Smoothness – full contact is obtained only on smooth steel. Any scratches and bumps create air cushions, weakening the magnet.
  • Thermal environment – temperature increase results in weakening of induction. Check the thermal limit for a given model.

Lifting capacity was assessed by applying a steel plate with a smooth surface of optimal thickness (min. 20 mm), under perpendicular pulling force, whereas under shearing force the load capacity is reduced by as much as 5 times. Additionally, even a slight gap between the magnet and the plate decreases the holding force.

Safety rules for work with NdFeB magnets
Crushing force

Pinching hazard: The pulling power is so great that it can cause blood blisters, crushing, and even bone fractures. Protective gloves are recommended.

Avoid contact if allergic

Certain individuals suffer from a sensitization to Ni, which is the common plating for NdFeB magnets. Frequent touching might lead to skin redness. We suggest wear protective gloves.

Combustion hazard

Machining of NdFeB material poses a fire hazard. Magnetic powder reacts violently with oxygen and is hard to extinguish.

No play value

Only for adults. Small elements pose a choking risk, causing intestinal necrosis. Store out of reach of kids and pets.

Magnetic media

Device Safety: Strong magnets can ruin data carriers and delicate electronics (pacemakers, medical aids, timepieces).

Heat warning

Regular neodymium magnets (grade N) lose magnetization when the temperature surpasses 80°C. The loss of strength is permanent.

Safe operation

Before use, read the rules. Uncontrolled attraction can destroy the magnet or hurt your hand. Think ahead.

Magnets are brittle

Watch out for shards. Magnets can fracture upon violent connection, launching shards into the air. We recommend safety glasses.

Warning for heart patients

Individuals with a heart stimulator must keep an safe separation from magnets. The magnetism can stop the functioning of the life-saving device.

GPS and phone interference

Navigation devices and smartphones are highly susceptible to magnetism. Direct contact with a strong magnet can permanently damage the internal compass in your phone.

Safety First! Looking for details? Read our article: Are neodymium magnets dangerous?