Injected Magnets

Products

Injected magnets can be made of different materials: neodymium, ferrite, samarium cobalt, as well as the plastic materials used. The choice of materials will depend on the requirements of each customer, as different magnetic properties will be enhanced depending on the intended use. They are resistant to high temperatures, corrosion, and adverse environmental temperatures.

Injected magnets are used in a wide variety of applications, from small electronic devices to large electric motors. The ability to create complex, custom shapes makes injection-molded magnets ideal for many applications where shape and size are critical.

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CHARACTERISTICS

Type of material

Magnetic powders: ferrite or rare earth
Thermoplastics

Composition

NdFeB / SmCo
Ferrite
PA6 / PA11 / PA12

Work temperature

From 100ºC to 200ºC

Advantages

Resistance to corrosion
Molding diversity

Injection-molded magnets are an increasingly popular technology in the world of magnetic manufacturing. These magnets are created by injecting a magnetic material into a mold, allowing for high precision in the shape and size of the magnet.

Injected magnets can be produced in a wide range of sizes and shapes. Because they are created through a molding process, injection molded magnets can be customised to suit the specific needs of each application. In addition, injection-molded magnets can be produced in large quantities at a relatively low cost, making them an economical choice for many applications.

Another advantage of injected magnets is their high resistance to demagnetisation. Unlike other types of magnets that can lose their magnetism over time, injected magnets are very durable and maintain their magnetic strength for a long time.

Injected magnets also have a high resistance to corrosion and wear. This makes them ideal for use in harsh environments where other types of magnets may corrode or wear out over time.

In these tables, you can consult different properties such as remanence, strength, coercivity, and working temperatures, of both neodymium and ferrite-injected magnets.

CONSULT QUALITY TABLE

IMA							Energy product			Remanence			Rev. temp.-coeff.			Coercivity			Magnetising	Max.					Density
							Producto energético (B*H)max.			Remanencia Br			Temp. Rev. Coef. BR			Coercitividad			Intensidad del campo magnético	Temperatura máxima de funcionamiento					Densidad
							Producto energético (B*H)max.			Remanencia Br			Temp. Rev. Coef. BR			Coercitividad			Intensidad del campo magnético	Temperatura máxima de funcionamiento					Densidad
							Producto energético (B*H)max.			Remanencia Br			Temp. Rev. Coef. BR			Coercitividad			Intensidad del campo magnético	Temperatura máxima de funcionamiento					Densidad
Imanes de ferrita dura moldeados por inyección y unidos con plástico							kJ/m3	kJ/m3	mT	mT	approx	HcB	HcJ	min.	aprox. °C PA 6 4)	aprox. °C PA 12	aprox. °C PPS 5) 6)	aprox.
Imanes de ferrita dura moldeados por inyección y unidos con plástico							(typ.)	(min.)	(typ.)	(min.)	%/K	kA/m	kA/m	kA/m	aprox. °C PA 6 4)	aprox. °C PA 12	aprox°C PPS 5) 6)	g/cm3
Imanes de ferrita dura moldeados por inyección y unidos con plástico												(min.)	(min.)		aprox. °C PA 6 4)	aprox. °C PA 12	aprox°C PPS 5) 6)
HF	14/22	p	anisótropo	14,5	14	275	265	'-0,19		180	220	800	120-160 3)	120-14 03)	220 3)	3,6
HF	16/19	p	anisótropo	16,5	16	290	280	'-0,19	'	160	190	800	13	120-140 03)		3,7

IMA							Energy product			Remanence			Rev. temp.-coeff.			Coercivity			Magnetising	Max.			#colspan#			Density
							Producto energético (B*H)max.			Remanencia Br			Temp. Rev. Coef. BR			Coercitividad			Intensidad del campo magnético	Temperatura máxima de funcionamiento							Densidad
							Producto energético (B*H)max.			Remanencia Br			Temp. Rev. Coef. BR			Coercitividad			Intensidad del campo magnético	Temperatura máxima de funcionamiento							Densidad
							Producto energético (B*H)max.			Remanencia Br			Temp. Rev. Coef. BR			Coercitividad			Intensidad del campo magnético	Temperatura máxima de funcionamiento							Densidad
Imanes de tierras raras moldeados por inyección y adheridos con plástico							kJ/m3	kJ/m3	mT	mT	approx			HcB	HcB	min.	aprox. ºC							aprox.
Imanes de tierras raras moldeados por inyección y adheridos con plástico							(typ.)	(min.)	(typ.)	(min.)	%/K			kA/m	kA/m	kA/m	PA 12			PPS 5) 6)			g/cm3
Imanes de tierras raras moldeados por inyección y adheridos con plástico													(min.)	(min.)
NdFeB	30/60	p	isotrópico	33	30	435	420	'-0,11	2)	290	600	2800	120-140	3)	120-160	3)	4,1
NdFeB	37/60	p	isotrópico	39	37	475	465	'-0,11	2)	320	600	2800	120-140	3)	120-160	3)	4,5
NdFeB	42/60	p	isotrópico	44	42	510	490	'-0,11	2)	335	600	2800	120-140	3)	120-160	3)	4,7
NdFeB	48/60	p	isotrópico	50	48	540	530	'-0,11	2)	360	600	2800	120-140	3)	120-160	3)	4,8
NdFeB	55/60	p	isotrópico	57	55	570	560	'-0,11	2)	375	600	2800	120-140	3)	120-160	3)	5,2
NdFeB	27/80	p	isotrópico	29	27	410	400	'-0,13	2)	270	800	2800	120-140	3)	140-180	3)	4,1
NdFeB	32/80	p	isotrópico	34	32	445	435	'-0,13	2)	295	800	2800	120-140	3)	140-180	3)	4,4
NdFeB	38/80	p	isotrópico	41,5	38	485	470	'-0,13	2)	320	800	2800	120-140	3)	140-180	3)	4,7
NdFeB	43/80	p	isotrópico	46	43	515	505	'-0,13	2)	340	800	2800	120-140	3)	140-180	3)	5
NdFeB	46/80	p	isotrópico	48	46	530	515	'-0,13	2)	350	800	2800	120-140	3)	140-180	3)	5,2
NdFeB	49/80	p	isotrópico	52	49	555	545	'-0,13	2)	365	800	2800	120-140	3)	140-180	3)	5,3
NdFeB	76/110	p	isotrópico	88	76	700	660	'-0,13	2)	460	1100	2400	100-120	3)	100-120	3)	4,8

Advantage

The mechanical and magnetic values will vary depending on the materials. These materials used in the injected magnets are mainly polyamides PA6 – PA12 – PPS Phenylene Polysulfide.

This type of injected magnets are more resistant to corrosion than sintered materials, for this reason they can be used in most applications without special coatings.

Injected magnets also have geometric advantages, just like in the plastic molding process, we can achieve complex geometries and with much tighter tolerances than in traditional sintered magnets

Work temperature

With this type of injection materials maximum temperatures of 100ºC of work are obtained for PA12 and approximately 120ºC for PA6. For working temperatures of 200 ° C, PPS (Phenylene polysulfide) is used, which allows good behavior at high temperatures. Epoxy resins that can be used up to temperatures of 120ºC.

Applications

Injected magnets are used in electric motors, automation devices, audio equipment, cooling systems, and many other electromechanical devices.

One of the most common applications of injected magnets is in the manufacture of electric motors. Injected magnets are used to produce a constant magnetic field that drives the motor and makes it work. Electric motors are used in a wide variety of applications, from heavy machinery to smaller devices such as fans and power tools.

In addition, injected magnets are used in automation and control systems, such as switches and magnetic sensors. These devices use magnetic force to detect the presence or absence of objects, allowing machines and control systems to work more efficiently and accurately.

In the medical field, injected magnets are used in magnetic resonance imaging and magnetic therapy, where they are used to create magnetic fields that can improve the health and well-being of patients.

The applications of injected magnets are very diverse. We manufacture products for different industrial sectors, such as automotive, electronics, robotics…

Electric Motors
Communication technology
Robotics
Automotive parts
Generators
Home appliances

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