Jundi Magnetic Industry Co., Ltd. specializes in manufacturing and trading all kinds of permanent magnets, including sintered NdFeB magnets, bonded NdFeB magnets, sintered ferrite magnets, bonded ferrite magnets (gel-magnetic), sintered SmCo magnets, Alnico magnets, etc. And supply related magnetic testing equipment and magnetic applications.
The use of permanent magnetic products, we must first understand its use, working environment, operating temperature and other information in order to decide what kind of permanent magnet materials.
Permanent magnetic material performance classification Isotropic: also known as same-sex, isotropy. Magnetic domains are randomly arranged (magnetodomains can be thought of as magnetic molecules, which have directionality of South and North poles) and are not oriented in a particular direction. Its magnetic force is weaker than anisotropic magnets. For magnets that are generally used for adsorption functions, the magnets are generally multi-pole magnetized in order to increase the magnetic force.
2. Anisotropy: also known as the opposite sex, anomalies. The magnetic domains in the magnet have been arranged in a specific direction. The advantage of this type of magnet is that its magnetic properties are stronger than those of isotropic magnets, and its magnetization direction is generally consistent with that of the magnetic domains; the disadvantage is that the magnetization direction of the magnet cannot be selected arbitrarily. For example, multi-pole magnetization is more difficult than isotropic magnets. .
In the previous issues, we introduced the selection techniques for bonded magnets such as NdFeB, sintered ferrites, and bonded ferrites (Magnetic Magnets). This special issue provides detailed information on sintered NdFeB and other materials for the printing and packaging industry. The choice.
Sintered NdFeB magnets (Nd2Fe14B)
Neodymium iron boron permanent magnet material is a high-performance permanent magnet material that was introduced in 1983. Its main component is Nd2Fe14B, and it is also the world's strongest type of magnet. Its appearance is generally galvanized or nickel-plated, so it is mostly a silver-white surface, its magnetic properties are higher than that of sintered ferrite permanent magnets (the surface is mostly dark gray) more than 10 times, and the volume has to be reduced by more than 5 times. With the continuous increase of the market demand for this product and the improvement of production technology, the price of this product has been greatly reduced in recent years, making it used in more industries to replace certain sintered ferrites. Magnetic products. For example: In order to reduce the volume and weight of the product, in the case of ensuring its magnetic properties can be used Φ4 ~ 6 neodymium iron boron products to replace Φ10 ~ 20 sintered ferrite products to meet our requirements.
The application of magnetic products in the printing and packaging industry is mainly on the adsorption. It is generally used for the sealing of packaging boxes and the value-added properties of printed products. In this way, the magnets selected must have sufficient adsorption power, and they must not be too bulky. The beauty and weight of the product itself. NdFeB permanent magnets are the best solution for this. According to the thickness and size of the packaging box, gift box, makeup box and moon cake box, a NdFeB magnet with a diameter of 5-10mm and a thickness of 1 to 2mm is packaged in the box, and a piece of iron or iron is attached to the closure. Boron magnet can achieve excellent sealing effect, and the appearance of the use of traces can not be seen, so the product is also called invisible sealing magnetic.
Bonded ferrite magnetic AIC's rubber bonded ferrite magnet (referred to as gel magnetic) is made of ferrite magnetic powder mixed with CPE, NBR and other rubber raw materials. This permanent magnet material has very good flexibility. It can be easily bent and folded without damaging the performance of the magnet itself, and the plastic magnet can be trimmed, cut, punched, and post-processed using ordinary tools such as scissors.
The size of the magnets is diversified and can be adjusted according to customer's requirements. The following are the dimensions that AIC can achieve:
The minimum length is 30m
Wide———— 610mm
Roll: 0.4mm thick, 2.0mm thick
Sheet: Thickness 0.4mm, 8.0mm (to be continued)
The use of permanent magnetic products, we must first understand its use, working environment, operating temperature and other information in order to decide what kind of permanent magnet materials.
Permanent magnetic material performance classification Isotropic: also known as same-sex, isotropy. Magnetic domains are randomly arranged (magnetodomains can be thought of as magnetic molecules, which have directionality of South and North poles) and are not oriented in a particular direction. Its magnetic force is weaker than anisotropic magnets. For magnets that are generally used for adsorption functions, the magnets are generally multi-pole magnetized in order to increase the magnetic force.
2. Anisotropy: also known as the opposite sex, anomalies. The magnetic domains in the magnet have been arranged in a specific direction. The advantage of this type of magnet is that its magnetic properties are stronger than those of isotropic magnets, and its magnetization direction is generally consistent with that of the magnetic domains; the disadvantage is that the magnetization direction of the magnet cannot be selected arbitrarily. For example, multi-pole magnetization is more difficult than isotropic magnets. .
In the previous issues, we introduced the selection techniques for bonded magnets such as NdFeB, sintered ferrites, and bonded ferrites (Magnetic Magnets). This special issue provides detailed information on sintered NdFeB and other materials for the printing and packaging industry. The choice.
Sintered NdFeB magnets (Nd2Fe14B)
Neodymium iron boron permanent magnet material is a high-performance permanent magnet material that was introduced in 1983. Its main component is Nd2Fe14B, and it is also the world's strongest type of magnet. Its appearance is generally galvanized or nickel-plated, so it is mostly a silver-white surface, its magnetic properties are higher than that of sintered ferrite permanent magnets (the surface is mostly dark gray) more than 10 times, and the volume has to be reduced by more than 5 times. With the continuous increase of the market demand for this product and the improvement of production technology, the price of this product has been greatly reduced in recent years, making it used in more industries to replace certain sintered ferrites. Magnetic products. For example: In order to reduce the volume and weight of the product, in the case of ensuring its magnetic properties can be used Φ4 ~ 6 neodymium iron boron products to replace Φ10 ~ 20 sintered ferrite products to meet our requirements.
The application of magnetic products in the printing and packaging industry is mainly on the adsorption. It is generally used for the sealing of packaging boxes and the value-added properties of printed products. In this way, the magnets selected must have sufficient adsorption power, and they must not be too bulky. The beauty and weight of the product itself. NdFeB permanent magnets are the best solution for this. According to the thickness and size of the packaging box, gift box, makeup box and moon cake box, a NdFeB magnet with a diameter of 5-10mm and a thickness of 1 to 2mm is packaged in the box, and a piece of iron or iron is attached to the closure. Boron magnet can achieve excellent sealing effect, and the appearance of the use of traces can not be seen, so the product is also called invisible sealing magnetic.
Bonded ferrite magnetic AIC's rubber bonded ferrite magnet (referred to as gel magnetic) is made of ferrite magnetic powder mixed with CPE, NBR and other rubber raw materials. This permanent magnet material has very good flexibility. It can be easily bent and folded without damaging the performance of the magnet itself, and the plastic magnet can be trimmed, cut, punched, and post-processed using ordinary tools such as scissors.
The size of the magnets is diversified and can be adjusted according to customer's requirements. The following are the dimensions that AIC can achieve:
The minimum length is 30m
Wide———— 610mm
Roll: 0.4mm thick, 2.0mm thick
Sheet: Thickness 0.4mm, 8.0mm (to be continued)
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