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CM PML-6 / N45 - magnetic gripper

magnetic gripper

Catalog no 100477

GTIN/EAN: 5906301812630

5.00
Load capacity 600.00 kg / 5883.99 N
Weight
17900 g
Magnetization Direction
↑ axial

How we measure these parameters — certificates and measurements

product details »

1156.10 zł net / pcs

1422.00 zł with VAT (23% VAT) / pcs

price for transport

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Frequently asked questions

How do I choose a separator for fine contamination and check availability?
Start with the size and type of contaminant, the material flow and the working surface. Compare the magnetic-field data and dimensions stated on the selected product card, and check current availability there.
Where can I order a separator for a production line, and what should I check?
Match the device to the installation dimensions, material flow, cleaning method and housing requirements. A drawing or the dimensions of the transfer point help determine whether a catalogue model fits or a custom version is needed.
How can I verify a separator's declared magnetic parameters before purchase?
Ask for the measured value, the point of measurement and the method or instrument used. A field-strength figure without its measurement conditions cannot be compared reliably with another product.
Can a magnetic beam withstand continuous work on a production line?
Check the construction, mounting and cleaning procedure for the chosen beam. Captured metal must be removed regularly; a layer of particles can reduce effective separation even when the magnets themselves are sound.
What roller design is suitable for a dusty environment?
Check the bearing protection, surface finish and cleaning access of the selected model. Dust accumulation and abrasion depend on the installation, so specify the actual process conditions before choosing a version.
How do I choose the size of a hand-held separator?
Match the rod diameter and length to the container and material depth, and consider the tool's weight for repeated manual work. Use the dimensions and magnetic data on the current product card.
What is a hand-held separator for, and how is it different from a built-in rod?
A built-in rod stays in the process line. A hand-held separator is moved through a material sample or container and then cleaned. It is useful for spot checks or occasional cleanup when permanent installation is not required.
Which separator type suits a small production plant?
Choose by the point in the process: a grate at a hopper, a beam over a conveyor, a built-in rod in a chute or pipe, or a hand-held tool for spot checks. A magnetic gripper handles steel parts rather than separating contamination.

Guides from the knowledge base

Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Technical of the product - 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
Remanence Br ? 13.2-13.7 kGs
Remanence Br ? 1320-1370 mT
Coercivity bHc ? 10.8-12.5 kOe
Coercivity bHc ? 860-995 kA/m
Intrinsic coercivity iHc ≥ 12 kOe
Intrinsic coercivity iHc ≥ 955 kA/m
Energy product BHmax ? 43-45 BH max MGOe
Energy product BHmax ? 342-358 BH max KJ/m
Maximum working 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 310 °C
Curie Temperature TF 590 °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

Chemical composition

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
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. Activation of the field occurs by turning the hand lever 180 degrees. This is a safe solution because the magnet will not drop the load upon mains voltage loss.
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).
Thanks to the specially profiled V-type foot, safe lifting of pipes, shafts, and rods is possible. The prism allows the magnet to adjust to the round shape, centering the load. 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 means break force is three times higher than declared capacity, which protects against accidents. Despite this, staying under a hanging load is strictly forbidden.
The key to long life is caring for the working surface (magnetic foot). Any dents or stuck filings increase the air gap and weaken capacity. It is worth commissioning lifter attestation once a year to confirm its efficiency.

Strengths and weaknesses of neodymium magnets.

Benefits

Apart from their superior holding force, neodymium magnets have these key benefits:
  • They have unchanged lifting capacity, and over nearly 10 years their attraction force decreases symbolically – ~1% (according to theory),
  • They are resistant to demagnetization induced by external field influence,
  • By applying a reflective coating of nickel, the element presents an proper look,
  • The surface of neodymium magnets generates a intense magnetic field – this is one of their assets,
  • Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
  • Possibility of detailed forming and adapting to specific conditions,
  • Universal use in electronics industry – they are utilized in magnetic memories, drive modules, advanced medical instruments, as well as multitasking production systems.
  • Thanks to efficiency per cm³, small magnets offer high operating force, in miniature format,

Disadvantages

Problematic aspects of neodymium magnets and proposals for their use:
  • At strong impacts they can break, therefore we advise placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
  • Do not exceed this material temperature limit: 80°C. Overheating may permanently weaken the magnet.
  • Magnets exposed to a humid environment can rust. Therefore during using outdoors, we suggest using waterproof magnets made of rubber, plastic or other material protecting against moisture
  • Due to limitations in realizing threads and complex shapes in magnets, we recommend using casing - magnetic mechanism.
  • Possible danger to health – tiny shards of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child health protection. Furthermore, tiny parts of these magnets are able to be problematic in diagnostics medical when they are in the body.
  • With large orders the cost of neodymium magnets can be a barrier,

Lifting parameters

Maximum holding power of the magnet – what it depends on?

Holding force of 600.00 kg is a result of laboratory testing executed under the following configuration:
  • on a block made of mild steel, effectively closing the magnetic flux
  • possessing a thickness of minimum 10 mm to avoid saturation
  • with a surface perfectly flat
  • under conditions of gap-free contact (surface-to-surface)
  • under perpendicular force direction (90-degree angle)
  • in temp. approx. 20°C

Lifting capacity in real conditions – factors

Bear in mind that the working load will differ influenced by the following factors, starting with the most relevant:
  • Clearance – the presence of foreign body (paint, tape, gap) interrupts the magnetic circuit, which reduces capacity steeply (even by 50% at 0.5 mm).
  • Pull-off angle – remember that the magnet has greatest strength perpendicularly. Under sliding down, the holding force drops significantly, often to levels of 20-30% of the nominal value.
  • Steel thickness – insufficiently thick plate does not close the flux, causing part of the flux to be escaped to the other side.
  • Material type – ideal substrate is pure iron steel. Cast iron may attract less.
  • Smoothness – ideal contact is obtained only on polished steel. Any scratches and bumps create air cushions, weakening the magnet.
  • Heat – NdFeB sinters have a sensitivity to temperature. When it is hot they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Holding force was checked on the plate surface of 20 mm thickness, when a perpendicular force was applied, whereas under attempts to slide the magnet the load capacity is reduced by as much as fivefold. In addition, even a small distance between the magnet and the plate decreases the holding force.

Safety rules for work with NdFeB magnets
Electronic devices

Powerful magnetic fields can destroy records on payment cards, HDDs, and other magnetic media. Maintain a gap of min. 10 cm.

Warning for heart patients

Health Alert: Strong magnets can turn off heart devices and defibrillators. Do not approach if you have medical devices.

Powerful field

Handle with care. Neodymium magnets attract from a distance and snap with huge force, often faster than you can move away.

Eye protection

Protect your eyes. Magnets can explode upon violent connection, ejecting sharp fragments into the air. Eye protection is mandatory.

Magnetic interference

A strong magnetic field negatively affects the functioning of compasses in smartphones and GPS navigation. Keep magnets close to a smartphone to avoid damaging the sensors.

Operating temperature

Do not overheat. Neodymium magnets are sensitive to heat. If you need resistance above 80°C, inquire about HT versions (H, SH, UH).

Choking Hazard

Always keep magnets out of reach of children. Ingestion danger is high, and the effects of magnets clamping inside the body are tragic.

Allergy Warning

Some people suffer from a hypersensitivity to Ni, which is the standard coating for NdFeB magnets. Extended handling might lead to dermatitis. We suggest use protective gloves.

Physical harm

Risk of injury: The attraction force is so immense that it can result in hematomas, crushing, and even bone fractures. Protective gloves are recommended.

Fire risk

Drilling and cutting of neodymium magnets poses a fire risk. Magnetic powder oxidizes rapidly with oxygen and is hard to extinguish.

Attention! Details about hazards in the article: Safety of working with magnets.