Permanent Magnet DC (PMDC) Motor Arc-shaped Magnets

Permanent Magnet DC (PMDC) Motor Arc-shaped Magnets

In order to quote the best price to you in timely, please kindly provide the following information when you send the inquiry:
Material type and grade required
Size and shape, if available, a sketch or drawing with dimensions and tolerances.
Coating of the magnets
Application of the magnets
Max working temperature
Quantity required
Magnetized or not? Magnetization direction?

Arc magnets are a unique shape which are designed especially for motors, generators and alternators and are commonly used for both rotors and stators. They are also used in magnetic flywheel assemblies. In motor design a ring of magnets with alternating polarities on the inner radius rotate in close proximity to a number of copper coils. As the copper passes through the magnetic fields an electric current is induced within the copper.

Four or more magnets with an equal number of north and south polarity on the inner radius can be used to create a multi-pole ring. All arc magnets are available with either pole on the inner radius.

Coating of Neodymium Permanent Magnets

Coating	THickness	Color	PTC	SST	Characteristic
Zn	4-8μm	Bright Blue		>24H~48H	Regular Protection,               Applicable to most products
Colored Zn	4-8μm	Shining Color		>48H~72H	Excellent salt spray resistance
NiCuNi	10-20μm	Bright Silver	>48H~72H	>24H~48H	Excellent humidity,               heat&salt spray resistance
Electroless Nickel	10-30m	Bright Silver	>72H	>96H	Excellent humidity,               heat&salt spray resistance
Black Nickel	10-20μm	Bright Black	>72H	>48H~96H	Excellent humidity,               heat&salt spray resistance
Sn	10-25μm	Silver	>48H	>36H~72H	Excellent humidity,              heat&salt spray resistance
Epoxy	10-30μm	Black or Grey		>72H~108H	Excellent humidity,heat&salt spray        resistance,excellent adhesion
Phosphated /Passivation	≤1μm	Dark Grey		<2.5H Emerge in 3%Nacl Liquor	Temporary Protection
Everlube	8-20μm	Yellow	>72H	>96H	Excellent salt spray resistance,             Excellent adhesion
Golden	10-15μm	Golden	>48H	>12H	Good looking

Neodymium Segment Generator Magnet for Gearless DC Elevatormachines

Rare-Earth Arc Magnets N42SH for Motor Generator Sets

N38H Arc Magnets for Motorcycle Stator

N40H N38H Rare Earth Neodymium Arc Magnets for Motorcycle Stator

N40H Neodymium Iron Boron Motor Arc Magnets, Powerful Rare Earth Neodymium Segment Curved Magnet, permanent horseshoe sintered magnet, Stator and Rotor Magnet, dc permanent magnet motor generator,

Permanent Magnet DC (PMDC) Motor Arc-shaped Magnets N40H Neodymium Iron Boron Motor Arc Magnets Parameter Part No. NSGN40H-78 Dimensions Customized sizes Material Sintered Neodymium-Iron-Boron (NdFeB) Shape Arc / Segment Plating Nickel (Ni) Magnetization Direction Diameter Grade N40H Maximum Temperature: 120 Degree Magnetization: Inside Curve to Outside Curve Dimensional Tolerance +/-0.005″ Neodymium Iron Boron Magnets,

N38H Arc Magnets for Motorcycle Stator A class of rare earth material, neodymium magnets are available in both sintered and bonded forms, as well as custom configurations. Major Characteristics Most powerful (highest energy product) class of magnet material commercially available. High Br, relatively high Hc, high BHmax. Lower cost than samarium cobalt. Temperature sensitive. Susceptible to oxidation. With careful design, some grades will function up at temps up to 200°C (392°F. Energy product ranges from 10 MGOe to 53 MGOe Relative cost Index (by weight): 40

Magnetic Retrieving Attractor Bar Baton with Release

Magnetic Retrieving Attractor Bar Baton with Release, Magnetic Pull-And-Push Attractor, heavy duty strong magnetic attractor pick up tool, CNC machining precision ss304 pull and push magnetic attractor Magnetic Retrieving Attractor Bar Baton with Release Item No. MPNSMA5A series Composite neodymium(ndfeb) magnet, stainless steel SS304 MOQ 100 Pieces Different country or place will be different Supply […]

                   Click to View

Pull-And-Push Magnetic Attractor

Pull-And-Push Magnetic Attractor, Super Magnetic Strange Attractor, magnetic retrieving baton with release magnetic attractor pick up tool, Convenient Magnetic Tools Magnetic Waist Holder Working Screw and Nail Attractors PULL AND PUSH MAGNETIC ATTRACTOR ASSEMBLIES FEATURES: 1, This magnetic bulk attractor has strong permanent magnet power, can attract irons/steel pieces or iron/steel substances onto its lower […]

                   Click to View

Strong Separation Magnetic Rods for Filter

Strong Separation Magnetic Rods for Filter, Neodymium & Ferrite Permanent Magnetic Filter, Powerful Magnetic Separator Cartridges for Filter, Industry OEM magnetic tubes for filter Strong Separation Magnetic Rods for Filter Features: Material: SS304/SS316 with neodymium magnets. Surface gauss: 8000-12000Gs. Work temp: 80-350 degree. Size: D25mm, the length is from 80-2800mm according to your request. Application: […]

                   Click to View

Neodymium & Ferrite Permanent Magnetic Filter

Neodymium & Ferrite Permanent Magnetic Filter, Magnetic Separator Bars Cartridges for Filter, Industry OEM Strong magnetic rod for filter, Neodymium Ceramic Magnetic Tube, magnetic bar rod magnet filter separator Neodymium & Ferrite Permanent Magnetic Filter – Magnetic rods are mainly used for iron pins in raw materials; filter various fine powders and liquids, iron-containing impurities […]

                   Click to View

NdFeB Motor Magnets

NdFeB Motor Magnets Product Description: 1. Materials: Ne-Fe-B 2. Shape: Various as you wish 3. Certificate: ISO/TSI6949: 2009 4. Powerful: Neodymium magnets (sintered NdFeB magnets) are more powerful than any other permanent magnet material in the market today. 5. Wide product range: N35-N54, 35M-52M, 33H-50H, 33SH-45SH, 30UH-42UH, 30EH-38EH, and 28AH-33AHB.

6. High performance: High intrinsic coercive force (up to 35KOe) and energy product (up to 55MGOe), the maximum working temperature of 230 degrees Celsius. 7. Competitive price: Very competitive price (lower than market average) due to mass production. 8. Coating: All the neodymium magnets oxidize rapidly when exposed, so an anti-corrosive coating (usually electroplating) is used to extend their working life. Such as Ni, Zn, gold, copper, epoxy, chemical, parylene and so on;


9. Applications: Magnet Separators, Sensors, Motors, Rotors, Wind turbines, Wind generators, Loudspeakers, Magnetic hooks, Magnetic holder, Filters Automobiles Magnetic jewelries, toys, magnetic buttons, Magnetic therapy and so on; 10. Quality: As to give good service, quality of each piece is guaranteed. Every piece of magnets is tested by ISO/TS 16949: 2009. 11. Caution: You should be extremely careful when install neodymium magnet, as they can easily pinch fingers. 12. No for Kids: NdFeB magnets are not suitable for children.

N52 Strong Neodymium Rare Earth Arc Permanent Bearing System Magnet

Powerful Rare Earth Neodymium Trapezoidal Magnet

N48H Trapezoid Segment Motor Rare Earth Magnet

High Performance ARC NdFeB Motor Magnet for Magnetic Bearing

High Coercive Force Permanent Magnets for Magnetic Bearing, N48H Zinc Plated Neodymium Rare Earth Motor Magnet, Blue Zn Coating Arc Shaped High Powerful Magnet for Magnetic Bearing Systems, monitoring magnets

High Coercive Force Permanent Magnets for Magnetic Bearing Parameter Part No. NSGN48H-79 Dimensions Customized sizes Material Sintered Neodymium-Iron-Boron (NdFeB) Shape Arc / Segment Plating Blue Zinc (Zn) Magnetization Direction Diameter Grade N48H Maximum Temperature: 120 Degree Magnetization: Inside Curve to Outside Curve Dimensional Tolerance +/-0.005″ Remote connectivity capabilities integrated into the Magnetic Bearings range of digital controllers allows for remote commissioning, monitoring, diagnostics and adjustment: Reducing the need for on-site maintenance Increasing reliability and availability Decreasing the total cost of ownership of magnetic bearing systems

Engineers at Permanent Magnets for Magnetic Bearings work collaboratively with each customer to better understand their challenges and apply our technology to enhance the performance of their equipment. High Performance ARC NdFeB Motor Magnet Inquiry Rubber Covered Pot Magnets with Screwed Bush To receive a quote for NdFeB Motor Magnets, please provide the following details: (01) Outer Diameter, Inner Diameter or, Degree of Angle; (02) Thickness, Length; (03) Grades; (04) Coating; (05) Tolerances and Magnetization Direction (North on the Outside Face / South on the Outside Face / Magnetized through Circumference / Magnetized through Thickness ). (06) Testing Conditions MARK: (01) NdFeB Motor MagnetsSamples and small quantity are available. (02) All the inquiries, questions and emails about NdFeB Motor Magnets will replied within 1 hour. (03) We have stock Bridge NdFeB Magnets material for standard product.

Rubberised Pot Magnets with Cylinder Bore

Rubberised Pot Magnets with Cylinder Bore, rubber coated magnet system, waterproof holding magnets, rubber coating cup magnets with cylindrical bore hole, rubber coated magnet with bore and counterbore China factory Rubberised Pot Magnets with Cylinder Bore SPECIFICATIONS Magnet Neodymium (NdFeb) Surface Rubber Max temperature 60 °C Type Cylinder bore Models D43 + D88 mm is […]

                   Click to View

Rubber Covered Pot Magnets with Screwed Bush

Rubber Covered Pot Magnets with Screwed Bush, rubber coated magnet system, waterproof holding magnets, rubber coating cup magnets with BUSH INTERNAL THREAD, rubber coated magnet with inner Thread Rubber Covered Pot Magnets with Screwed Bush SPECIFICATIONS Material: Neodymium (NdFeb) Surface: Rubber Max temperature: 60 °C Type: Screwed bush Thread: M4 – M8 Holding force: 10 […]

                   Click to View

External Thread Rubber Coated Holding Magnets

External Thread Rubber Coated Holding Magnets, rubber coated magnet system, waterproof magnets, soft surface, strong magnetic force rubber coating pot magnets with external thread stud, rubber coated magnet with threaded neck External Thread Rubber Coated Holding Magnets SPECIFICATIONS Materiale Neodymium (NdFeb) Surfaces Rubber Max temperature 60 °C Type External thread Tread M4 – M8 Holding […]

                   Click to View

Internal Thread Rubber Coated Pot Magnet

Internal Thread Rubber Coated Pot Magnet, rubber coated magnet system, waterproof magnets, soft surface, strong magnetic force rubber coated holding magnets, Rubber coated pot magnet with flat Thread OR internal screw thread Internal Thread Rubber Coated Pot Magnet SPECIFICATIONS Material Neodymium (NdFeb) Surface Rubber Max temperature. 60 °C Type Internal thread Thread M4 – M6 […]

                   Click to View

Sintered Neodymium-Iron-Boron (NdFeB) Shape Arc / Segment N52 Magnets

N52 Strong Neodymium Rare Earth Arc Permanent Bearing System Magnet Parameter Part No. NSGN50-80 Dimensions Customized sizes Material Sintered Neodymium-Iron-Boron (NdFeB) Shape Arc / Segment Plating Blue Zinc (Zn) Magnetization Direction Diameter Grade N52 Maximum Temperature: 80 Degree Magnetization: Inside Curve to Outside Curve Dimensional Tolerance +/-0.005″ we combine this knowledge and experience with a broad range of magnetic bearing and hardware configurations to serve the world’s leading original equipment manufacturers and end users in oil & gas, power generation and defense markets.

High Coercive Force Permanent Magnets for Magnetic Bearing Remote connectivity capabilities integrated into the Magnetic Bearings range of controllers allows for remote commissioning, monitoring, diagnostics and adjustment: Reducing the need for on-site maintenance Increasing reliability and availability Decreasing the total cost of ownership of magnetic bearing systems Engineers at Permanent Magnets for Magnetic Bearings work collaboratively with each customer to better understand their challenges and apply our technology to enhance the performance of their equipment.

 Shape Arc shaped (Sintered NdFeB magnets shape can customized) Material NdFeB (Neodymium Iron Boron) Coating Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper etc. Tolerance in size +/-0.05mm or +/-0.1mm Magnetization direction Thickness, Length, axially, diameter, radially, multipolar Grade N33-N52;N33M-N50M;N33H-N48H; N30SH-N45SH;N30UH-N40UH; N28EH-N38EH,N28AH-N35AH Br(kgs) N35(11.8-12.2);N52(14.4-14.8);N35M(11.8-12.2);N30H(10.8-11.3); N30SH(10.8-11.2); N30UH(10.8-11.2); U30EH(10.8-11.2) Hcj(ka/m) N35≥955; N52≥876; N30SH≥1353; N33AH≥2785 TW(degrees celsius) N35≤80; N52≤70; N30SH≤150; N33AH≤240 Application NdFeB neodymium rare earth permanent magnets are widely use in many different area, such as motors, sensor, speaker, rotors, alarm, microphone, wind turbines/wind generators, magnetic hooks, magnetic holder, filters automobiles and so on MOQ Samples could be offered Delivery time 3 to 10 days for sample, 10 to 30 days for order. (According to the stock information) Certification ROHS, SGS, ISO9001

Rubber Coated Rectangular Magnet W/ 2 Magnetic Blocks Thread Hole

Rectangular Rubber Coated Magnet W/ 2 Magnetic Blocks Thread Hole, black rubber jacket covered block rectangular pot magnet with M5 internal thread, Rare Earth NdFeB Ceramic Rectangle Rubber Magnet Assembly, Rubber Covered Magnetic Holder System China Supplier This rectangular rubber coated magnet with M5 internal thread is produced with two magnetic blocks. It makes the […]

                   Click to View

Rubber Coated Magnets W/ 2 Internal Threads

Rubber Coated Magnets W/ 2 Internal Threads, Rubber-Coated Magnetic Lens, Rubber Internal Thread Pot Magnets, Gummimagneter 2 indvendige gevind, Threaded Hole Magnets MPCO rubber coated magnets with two internal threads. Suitable for surfaces you do not want to scratch or damage. The rubber coated magnet is also ideal for applications, where the magnet is moved […]

                   Click to View

Square Ceramic Ceiling Hanging Magnet

Square Ceramic Ceiling Hanging Magnet, plastic (PVC) casing ceramic pot magnets, block ceiling magnetic system, Durable ABS plastic covered mounted Ceramic magnet, magnetic hanging hook system, block Ceiling pot magnet with eyebolt China factory Square Ceramic Ceiling Hanging Magnet Part No. MPCOCHM-58 Length 58mm Width 58mm Height 15mm Direction Of Magnetism Through Height Magnet Type […]

                   Click to View

Magnetic Lens Pot Magnet Rubber-coated

Magnetic Lens Pot Magnet Rubber-coated, Rubberised Pot Magnets with Hole, rubber coated magnet system, waterproof holding magnets, rubber plastic coating cup magnets, Rubber Covered NdFeB Magnet System Assembly China factory Magnetic Lens Pot Magnet Rubber-coated SPECIFICATIONS Magnet Neodymium (NdFeb) Surface Rubber Max temperature 60 °C Type Hole Models D48 mm is produced with . Please […]

                   Click to View

Radial Bearings Motor Neo Permanent Magnet

Permanent Magnet for Radial Bearings, radial magnetic bearing neodymium magnets, stator component and rotor component rare earth arc magnets, electromagnets

Permanent Magnet for Radial Bearings Item No. NSGN50-81 Tech Parameters: Grade: N50 Type:Permanent Composite:Neodymium Magnet Shape:Arc Shaped Application:Radial Bearings Motor Coating:Nickel, Zinc Or Customized Material:Sintered Neodymium-Iron-Boron Size:Customers’ Request Magnetism Direction:Axial Or Radial , Customized Tolerance:+/-0.05mm Or +/-0.1mm Processing:Sintered Permanent Neodymium Magnet Port: Ningbo Or Customer’ Request The radial magnetic bearing positions the rotor using four electromagnets, each comprised of a stator component and rotor component. The stator component is bolted to the machine housing while the rotor component is a sleeve fitted to the shaft.

 Opposite electromagnets are adjusted to pull against one another. When an external force causes the rotor to change position, the movement is identified by position sensors. The electronic control system responds by adjusting the current flowing through the respective electromagnets – returning the rotor to its original position.

 Square Ceramic Ceiling Hanging Magnet Our Neodymium Magnets Advantage: 1. High Performance : Our neodymium magnet for variable frequency compressor,motor, rotor.. 2. High Consistancy : Our neodymium, (Br) and (Hcj) are much higher than 1.63. The consistency of the surface magnetic field and magnetic flux can be controlled at +/-0.05%. 3. High Working Temperature : Our neodymium magnet can satisfy the working temperature requirements with excellent temperature resistance. can be in most applications.

Powerful Magnet Tool Magnetic Car Foil Sticker

Powerful Magnet Tool Magnetic Car Foil Sticker, Car Wrap Magnet Holder, Magnetic Sign Gripper, Handle Car Wrap Vinyl Film Rubber Coated Magnet Holder, Car Vehicle Wrap Gripper Vinyl Film Foil Sticker Magnets Powerful Magnet Tool Magnetic Car Foil Sticker Specification: Part No.: MPCWMH-02 Product Name: Magnet Holder Material: ABS+Magnet Color: Black Size: D6.5cm*H4.2cm Net Weight: […]

                   Click to View

Car Wrap Magnet Holder

Car Wrap Magnet Holder, High Efficient Magnetic Holder For Car Wrapping, Magnetic Sign Gripper, Strong Handle Magnet Car Auto Wrap Tools, Car Wrap Vinyl Film Strong Magnet Holder, Long Handle Magnetic Car Foil Sticker Holders For Auto Wrapping Car Wrap Magnet Holder Parameter: Part No.: MPCWMH-01 Item:Magnet Holder Size:6.5cm*4.2cm Weight:50G/PC Function:For Car Wrapping New Magnetic […]

                   Click to View

Rubber Coated Neodymium (NdFeB) Pot Magnets Boutique Magnet

Rubber Coated Neodymium (NdFeB) Pot Magnets Boutique Magnet, Rubber Jacket Covered Magnets with Internal Threads, Rubber coated magnets with Cylinder bore, rubber coated magnet systems Assembly Rubber Coated Neodymium (NdFeB) Pot Magnets Boutique Magnet The rubber coating also provide a good level of corrosion protection in humid conditions. Because of their high performance, slide resisting […]

                   Click to View

Rectangular Rubber Jacket Covered Magnets with 1 or 2 Inner Threads

Rectangular Rubber Jacket Covered Magnets with 1 or 2 Inner Threads, Boutique Magnets, Rectangular rubber coated magnets with M4 M5 M6 internal thread, Rectangle rubber coated Neodymium (NdFeB) pot magnets Assembly This Rectangular Rubber Jacket Covered Magnets has an internal thread and offers great magnetic force. The rubber magnet comes in two different models with […]

                   Click to View

Sintered Neodymium-Iron-Boron stator and rotor component arc magnets

Arc Shaped Rare Earth Permanent Magnet for Auxiliary Bearings, Sintered Neodymium-Iron-Boron, stator and rotor component rare earth arc magnets, electromagnets, Auxiliary Bearings Stator & Rotor Magnet Arc Shaped Rare Earth Permanent Magnet for Auxiliary Bearings Item No. NSGN52-82 Tech Parameters: Grade: N52 Type:Permanent Composite:Neodymium Magnet Shape:Arc Shaped Application:Radial Bearings Motor Coating: Gold Or Customized Material: Sintered Neodymium-Iron-Boron Size:Customers’ Request Magnetism Direction:Axial Or Radial , Customized Tolerance:+/-0.05mm Or +/-0.1mm Processing:Sintered Permanent Neodymium Magnet Port: Ningbo Or Customer’ Request Magnetic Bearings auxiliary bearings support the rotor when the machine is stationary, accommodate overloads, and support the rotor in the event of system fault.

 Auxiliary bearing options include: Stator mounted ball bearings – a compact design Rotor mounted ball bearings – a hybrid system Bushing type bearings – auxiliary bearings Rotor Delevitation System auxiliary bearing offers unmatched investment protection. The RDS is comprised of a dry lubricated bushing mounted in a stator component and a special rotor component designed to reduce and dissipate heat during contact and coast-down. Our RDS auxiliary bearing designs offer observability of the service condition over the installed life of a machine – significantly reducing the risk of unplanned downtime. Robust and reliable, proprietary auxiliary bearing technology is designed for benign failure to prevent damage to machine components in the unlikely event of system malfunction. Shape Arc shaped (Sintered NdFeB magnets shape can customized) Material NdFeB (Neodymium Iron Boron) Coating Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper etc. Tolerance in size +/-0.05mm or +/-0.1mm Magnetization direction Thickness, Length, axially, diameter, radially, multipolar

SS304 Magnetic Filtration System

SS304 Magnetic Filtration System, Stainless Steel Magnetic Filter Rods, Food Industry Grade Size Options Available Stainless Steel NdFeB Filter Bar Magnet, powerful SS304/SS316 tube neodymium magnets China Supplier SS304 Magnetic Filtration System Features: Shape Rod CLEANABLE MAGNETIC RODS Permanent rare earth magnetic rod placed in filter bag cleans steel and iron chips from coolant or […]

                   Click to View

12000 Gauss Stainless Steel Magnetic Filter Rods

12000 Gauss Stainless Steel Magnetic Filter Rods, Food Industry Grade Size Options Available Stainless Steel Filter Bar Magnet, powerful SS304/SS316 tube neodymium magnets 12000 Gauss Stainless Steel Magnetic Filter Rods Parameters: Shape: Rod Magnetic Face: 25mm dia Thickness: 150mm Grade: N42 Plating: S’Steel Material: NdFeB Performance (Gauss): 12000 Max Temp (degrees C): 80 Fixing: M8 […]

                   Click to View

Car Vehicle Wrap Magnetic Sign Gripper

Car Vehicle Wrap Magnetic Sign Gripper, Rubber Coated Magnet Holder, Powerful Magnetic Car Foil Holder Sticker, Auto Car Foil Magnet Holder Car Vinyl Film Wrapping Application Magnetic Tool Carbon Fiber Stickers Tints Tool Car Vehicle Wrap Magnetic Sign Gripper Specification: Part No.: MPCWMH-04 Product Name: Magnet Holder Material: ABS+Magnet Handle Color: Black / Blue Size: […]

                   Click to View

Car Wrapping Vinyl Film Rubber Coated Magnet Holder

Car Wrapping Vinyl Film Rubber Coated Magnet Holder, Powerful Magnet Tool, Magnetic Car Foil Holder Sticker, Magnetic Sign Gripper, Car Vehicle Wrap Gripper Vinyl Film Foil Sticker Magnets Carbon Fiber Film Window Tint Tools Car Wrapping Vinyl Film Rubber Coated Magnet Holder Specification: Part No.: MPCWMH-03 Product Name: Magnet Holder Material: ABS+Magnet Color: Black Size: […]

                   Click to View