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SM 32x100 [2xM8] / N42 - magnetic separator

magnetic separator

Catalog no 130296

GTIN/EAN: 5906301812890

Diameter Ø

32 mm [±1 mm]

Height

100 mm [±1 mm]

Weight

536 g

Magnetic Flux

~ 8 000 Gauss [±5%]

307.50 with VAT / pcs + price for transport

250.00 ZŁ net + 23% VAT / pcs

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Technical data of the product - SM 32x100 [2xM8] / N42 - magnetic separator

Specification / characteristics - SM 32x100 [2xM8] / N42 - magnetic separator

properties
properties values
Cat. no. 130296
GTIN/EAN 5906301812890
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 32 mm [±1 mm]
Height 100 mm [±1 mm]
Weight 536 g
Material Type Stainless steel AISI 304 / A2
Magnetic Flux ~ 8 000 Gauss [±5%]
Size/Mount Quantity 2xM8
Polarity circumferential - 3 poles
Casing Tube Thickness 1 mm
Manufacturing Tolerance ±1 mm

Magnetic properties of material N42

Specification / characteristics SM 32x100 [2xM8] / N42 - magnetic separator
properties values units
remenance Br [min. - max.] ? 12.9-13.2 kGs
remenance Br [min. - max.] ? 1290-1320 mT
coercivity bHc ? 10.8-12.0 kOe
coercivity bHc ? 860-955 kA/m
actual internal force iHc ≥ 12 kOe
actual internal force iHc ≥ 955 kA/m
energy density [min. - max.] ? 40-42 BH max MGOe
energy density [min. - max.] ? 318-334 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

Table 1: Rod construction
SM 32x100 [2xM8] / N42

Parameter Value Description / Unit
Diameter (Ø) 32 mm
Total length 100 mm (L)
Active length 64 mm
Section count 2 modules
Dead zone 36 mm (2x 18mm starter)
Weight (est.) ~611 g
Active area 64 cm² (Area)
Housing material AISI 304 1.4301 (Inox)
Surface finish Ra < 0.8 µm Polished
Temp. class 80°C Standard (N)
Force loss (at max °C) -12.8% Reversible loss (physics)
Force (calculated) 26.2 kg (theor.)
Induction (surface) ~8 000 Gauss (Max)

Chart 2: Field profile (2 sections)

Chart 3: Temperature performance

Technical specification and ecology
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%
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: 130296-2026
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Magnet pull force

Field Strength

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This product serves to effectively catch ferromagnetic contaminants from bulk and liquid products. It is commonly used for cleaning flour, sugar, plastic granules, as well as oils and coolants. Thanks to the use of strong neodymium magnets, the rod catches even metallic dust.
The outer layer is hygienic acid-resistant steel, approved for food contact. The core is a precise magnetic system generating high induction (Gauss). Such construction ensures full resistance to corrosion, water, oils, and acids.
Due to the high power of the magnet, direct removal of filings can be troublesome and time-consuming. You can use compressed air or special non-magnetic strippers (rings). In industry, cover tubes (so-called Easy Clean system) are used, from which the magnetic insert slides out.
The Gauss value tells us how effectively and deeply the magnet will catch contaminants. For basic machine protection against pieces of iron, standard power is sufficient. For the food and precision industry, we recommend the highest induction parameters.
Yes, as a manufacturer, we make rods of any length and diameter (standard is dia 25mm and 32mm). The rod end is strictly adapted to the fastening system in your device. Contact us for a quote on a non-standard dimension.

Advantages and disadvantages of Nd2Fe14B magnets.

Strengths

Besides their exceptional magnetic power, neodymium magnets offer the following advantages:
  • Their magnetic field is maintained, and after around 10 years it drops only by ~1% (according to research),
  • They possess excellent resistance to magnetism drop due to opposing magnetic fields,
  • A magnet with a metallic gold surface looks better,
  • The surface of neodymium magnets generates a maximum magnetic field – this is a distinguishing feature,
  • 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 custom creating as well as adapting to complex needs,
  • Fundamental importance in future technologies – they find application in computer drives, drive modules, advanced medical instruments, and industrial machines.
  • Thanks to their power density, small magnets offer high operating force, with minimal size,

Disadvantages

What to avoid - cons of neodymium magnets: weaknesses and usage proposals
  • At strong impacts they can crack, therefore we recommend placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
  • Neodymium magnets lose their power 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
  • Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
  • We suggest a housing - magnetic mechanism, due to difficulties in producing threads inside the magnet and complex forms.
  • Possible danger to health – tiny shards of magnets are risky, in case of ingestion, which gains importance in the aspect of protecting the youngest. Additionally, small elements of these products can complicate diagnosis medical after entering the body.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Detachment force of the magnet in optimal conditionswhat contributes to it?

The specified lifting capacity concerns the peak performance, obtained under optimal environment, specifically:
  • on a block made of structural steel, optimally conducting the magnetic field
  • whose thickness equals approx. 10 mm
  • characterized by smoothness
  • with direct contact (no paint)
  • during detachment in a direction perpendicular to the mounting surface
  • at ambient temperature room level

What influences lifting capacity in practice

In real-world applications, the real power depends on many variables, presented from most significant:
  • Distance – the presence of foreign body (rust, dirt, air) acts as an insulator, which lowers power steeply (even by 50% at 0.5 mm).
  • Angle of force application – maximum parameter is reached only during perpendicular pulling. The force required to slide of the magnet along the plate is standardly several times lower (approx. 1/5 of the lifting capacity).
  • Plate thickness – too thin plate causes magnetic saturation, causing part of the flux to be escaped into the air.
  • Steel grade – ideal substrate is pure iron steel. Stainless steels may have worse magnetic properties.
  • Smoothness – full contact is obtained only on polished steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
  • Thermal environment – temperature increase results in weakening of force. Check the thermal limit for a given model.

Lifting capacity was assessed using a polished steel plate of suitable thickness (min. 20 mm), under perpendicular detachment force, however under attempts to slide the magnet the lifting capacity is smaller. In addition, even a small distance between the magnet and the plate decreases the lifting capacity.

Safe handling of neodymium magnets
Heat sensitivity

Regular neodymium magnets (grade N) lose power when the temperature goes above 80°C. Damage is permanent.

Medical implants

Patients with a heart stimulator must maintain an safe separation from magnets. The magnetic field can interfere with the operation of the implant.

Mechanical processing

Fire warning: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this risks ignition.

GPS Danger

GPS units and mobile phones are extremely sensitive to magnetic fields. Close proximity with a powerful NdFeB magnet can decalibrate the internal compass in your phone.

Safe operation

Exercise caution. Neodymium magnets attract from a distance and connect with huge force, often quicker than you can react.

Magnets are brittle

Neodymium magnets are sintered ceramics, which means they are prone to chipping. Clashing of two magnets will cause them breaking into shards.

Do not give to children

Always keep magnets out of reach of children. Choking hazard is high, and the consequences of magnets clamping inside the body are tragic.

Cards and drives

Device Safety: Neodymium magnets can damage payment cards and sensitive devices (pacemakers, medical aids, mechanical watches).

Allergy Warning

Certain individuals experience a hypersensitivity to nickel, which is the standard coating for NdFeB magnets. Prolonged contact can result in dermatitis. We recommend wear protective gloves.

Crushing force

Pinching hazard: The attraction force is so immense that it can cause hematomas, crushing, and even bone fractures. Protective gloves are recommended.

Caution! Want to know more? Check our post: Are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98