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UMGB 135x40 [M10+M12] GW F600 +Lina GOBLIN / N38 - goblin magnetic holder

goblin magnetic holder

Catalog no 350437

GTIN/EAN: 5906301814795

5.00

Diameter Ø

135 mm [±1 mm]

Height

40 mm [±1 mm]

Weight

4300 g

Magnetization Direction

↑ axial

Load capacity

680.00 kg / 6668.52 N

Coating

[NiCuNi] Nickel

Magnetic Flux

~ 1 000 Gauss [±5%]

technical parameters »

735.24 ZŁ with VAT / pcs + price for transport

597.76 ZŁ net + 23% VAT / pcs

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Parameters and appearance of neodymium magnets can be analyzed using our our magnetic calculator.

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Detailed specification - UMGB 135x40 [M10+M12] GW F600 +Lina GOBLIN / N38 - goblin magnetic holder

Specification / characteristics - UMGB 135x40 [M10+M12] GW F600 +Lina GOBLIN / N38 - goblin magnetic holder

properties
properties values
Cat. no. 350437
GTIN/EAN 5906301814795
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
Diameter Ø 135 mm [±1 mm]
Height 40 mm [±1 mm]
Weight 4300 g
Magnetization Direction ↑ axial
Load capacity ~ ? 680.00 kg / 6668.52 N
Coating [NiCuNi] Nickel
Holder Type 2 sided
Material Type Structural steel S235 (ferrous)
Magnetic Flux ~ 1 000 Gauss [±5%]
Rope Length 25 m
Rope Capacity ~ 1595 kg
Rope Diameter Ø 8 mm
Gloves 1 pair
Size/Mount Quantity 2xM10/1xM12
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics UMGB 135x40 [M10+M12] GW F600 +Lina GOBLIN / N38 - goblin magnetic holder
properties values units
remenance Br [min. - max.] ? 12.2-12.6 kGs
remenance Br [min. - max.] ? 1220-1260 mT
coercivity bHc ? 10.8-11.5 kOe
coercivity bHc ? 860-915 kA/m
actual internal force iHc ≥ 12 kOe
actual internal force iHc ≥ 955 kA/m
energy density [min. - max.] ? 36-38 BH max MGOe
energy density [min. - max.] ? 287-303 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%
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: 350437-2026
Measurement Calculator
Pulling force
Magnetic Field
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Strengths and weaknesses of Nd2Fe14B magnets.

Advantages

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • Their magnetic field is maintained, and after approximately ten years it decreases only by ~1% (theoretically),
  • They do not lose their magnetic properties even under close interference source,
  • A magnet with a metallic nickel surface has better aesthetics,
  • They show high magnetic induction at the operating surface, which increases their power,
  • Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and are able to act (depending on the form) even at a temperature of 230°C or more...
  • Possibility of custom modeling as well as modifying to atypical requirements,
  • Significant place in modern industrial fields – they are commonly used in computer drives, motor assemblies, advanced medical instruments, as well as other advanced devices.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Limitations

Disadvantages of neodymium magnets:
  • To avoid cracks under impact, we suggest using special steel holders. Such a solution secures the magnet and simultaneously increases its durability.
  • NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (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 very resistant to heat
  • Magnets exposed to a humid environment can corrode. Therefore during using outdoors, we suggest using waterproof magnets made of rubber, plastic or other material resistant to moisture
  • We recommend casing - magnetic mount, due to difficulties in producing nuts inside the magnet and complicated shapes.
  • Possible danger resulting from small fragments of magnets are risky, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. It is also worth noting that tiny parts of these products are able to complicate diagnosis medical in case of swallowing.
  • With large orders the cost of neodymium magnets can be a barrier,

Holding force characteristics

Highest magnetic holding force – what contributes to it?

Holding force of 680.00 kg is a theoretical maximum value conducted under specific, ideal conditions:
  • with the application of a yoke made of low-carbon steel, guaranteeing full magnetic saturation
  • possessing a massiveness of at least 10 mm to avoid saturation
  • characterized by smoothness
  • without any clearance between the magnet and steel
  • under vertical force vector (90-degree angle)
  • at standard ambient temperature

What influences lifting capacity in practice

Effective lifting capacity impacted by specific conditions, mainly (from priority):
  • Space between magnet and steel – even a fraction of a millimeter of distance (caused e.g. by varnish or unevenness) significantly weakens the pulling force, often by half at just 0.5 mm.
  • Loading method – declared lifting capacity refers to detachment vertically. When applying parallel force, the magnet holds much less (often approx. 20-30% of nominal force).
  • Wall thickness – thin material does not allow full use of the magnet. Magnetic flux passes through the material instead of generating force.
  • Metal type – different alloys reacts the same. High carbon content weaken the attraction effect.
  • Surface structure – the smoother and more polished the plate, the better the adhesion and higher the lifting capacity. Roughness acts like micro-gaps.
  • Operating temperature – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and in frost gain strength (up to a certain limit).

Holding force was checked on a smooth steel plate of 20 mm thickness, when a perpendicular force was applied, in contrast under parallel forces the load capacity is reduced by as much as 5 times. In addition, even a slight gap between the magnet and the plate decreases the lifting capacity.

Precautions when working with neodymium magnets
Magnet fragility

NdFeB magnets are sintered ceramics, which means they are prone to chipping. Impact of two magnets will cause them breaking into small pieces.

Skin irritation risks

Some people have a sensitization to Ni, which is the common plating for NdFeB magnets. Extended handling might lead to an allergic reaction. We suggest use protective gloves.

Choking Hazard

Always store magnets out of reach of children. Risk of swallowing is significant, and the effects of magnets clamping inside the body are life-threatening.

Do not underestimate power

Exercise caution. Neodymium magnets attract from a long distance and connect with massive power, often quicker than you can move away.

Threat to navigation

A strong magnetic field disrupts the functioning of compasses in smartphones and GPS navigation. Keep magnets close to a smartphone to prevent breaking the sensors.

Crushing force

Watch your fingers. Two large magnets will join immediately with a force of several hundred kilograms, destroying anything in their path. Exercise extreme caution!

Power loss in heat

Monitor thermal conditions. Exposing the magnet to high heat will destroy its properties and strength.

Cards and drives

Intense magnetic fields can erase data on payment cards, hard drives, and storage devices. Keep a distance of min. 10 cm.

Danger to pacemakers

Medical warning: Strong magnets can turn off pacemakers and defibrillators. Do not approach if you have electronic implants.

Do not drill into magnets

Powder created during grinding of magnets is combustible. Do not drill into magnets without proper cooling and knowledge.

Important! Want to know more? Read our article: Why are neodymium magnets dangerous?