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磁铁的力量：它们如何影响我们的生活

磁铁的力量虽然看起来很小，但在我们的生活中起着至关重要的作用。它以一种无声而坚定的方式影响着我们的日常生活和工作。

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Notes on the Processing of Oil Sprayed Paint Magnetic Rings and Introduction to the Function of Spraying 1. When choosing paint, it is important to ensure that it is environmentally friendly. If it is not environmentally friendly, even if it is cheap, no one dares to use it. Paint belongs to a class of solid chemical products, and many people know that chemicals have an odor, and long-term contact can also be harmful to human health. Even when spraying magnetic rings, it is necessary to wear a gas mask to operate.2. When spraying paint, it is necessary to process the magnetic rings according to the color chosen by the customer, including black, white, yellow, red, blue, green and other colors available on the market. However, the quantity must be completed according to the customer's purchase order.3. Operational issues. Nowadays, many large spraying factories use automated spraying, which is very convenient and faster than manual spraying. They can also spray more uniform magnetic rings, unlike manual spraying, which is not as complex and has multiple processes, and the spraying is s: 25

2023-09

The multipole magnetic ring of the motor is also divided into internal and external charging Many novice friends are not familiar with magnets, so they are not very clear about one of their magnetization methods. They mistakenly believe that magnets only have axial and radial magnetization, but in fact, there are many other magnetization methods for magnets. Today, we are talking about two types of magnetization methods for motor magnetic rings: internal and external.What does it mean? Simply put, internal charging, that is, internal charging, external charging, that is, external charging. So, if the magnet is charged internally, the strongest part of the magnetic field is on the inner R surface of the magnet, and vice versa, on the outer R surface.The magnetic ring of an external rotor motor is generally internally charged, such as commonly used internally charged 14 poles, internally charged 10 poles, internally charged 8 poles, and so on.Magnet radial internal charging and radial external charging come from this way, so it is best to be clear when inquiring with the magnet: 25

2023-09

How to install the motor magnet? As an important internal component of brushless motors, the assembly process of the rotor is crucial, especially the assembly of magnetic steel. Today, we will introduce how to install the motor magnet and some details and precautions for the assembly of motor magnetic steel.Brushless electric motor rotor magnetic steel for electric tools, many require only 4 magnets to be inserted, and can be easily configured with a cylinder, which is relatively simple.Our daily electric vehicles and new energy electric vehicles have relatively complex magnetic steel, which is often distributed around the inner surface. There are many magnetic plates, and if one is not properly inserted, it may affect the performance of the electric vehicle. New energy electric vehicles come in various V-shaped products or other shapes of magnetic steel, with complex design structures and high requirements for magnetic insertion equipment.Whether it is a new installation or a replacement installation, it is important: 22

2023-09

How to Choose a Magnet Supplier for Customized Injection Molded Magnetic Rotors Nowadays, various types of motors are applied in various fields such as machines, home appliances, and smart homes, and are also widely used in our daily lives. As one of the indispensable magnet accessories for motors, the demand for injection molded magnetic rotors has greatly increased. As is well known, when developing a new motor product, it is necessary to find a suitable magnet supplier. So, how to choose a supplier for purchasing customized injection molded magnetic rotors for motors?By 2016, due to strict environmental inspections, there was a shortage of magnetic raw materials, which led to an increase in prices and instability. The validity period was sometimes only a few days, or a different price per day. The payment method was also changed from monthly settlement to cash settlement, and payment was made before delivery. This is a serious challenge for magnet factories, and many magnet factories have also been concerned about not receiving orders at the door, which is a vo: 22

2023-09

How are injection molded magnets made Injection molded magnets are magnets produced by mixing magnetic powder, resin (PA6, PA8, PA12, PPS, etc.), additives, and other materials using a dedicated injection molding machine through injection molding. The magnetic force of injection molding magnet is slightly lower than that of sintered magnet, but it has the advantages of precise size, light weight, thin wall, complex shape, and stable magnetic properties, which can be bonded and formed with other metal components. In many precision, lightweight, and high-performance electronic products nowadays, injection molded magnets can meet their requirements, which is a difficult condition for sintered magnets to achieve. During the molding process, if an axial or radial external magnetic field is applied to the injection molded magnet, a magnet with higher magnetic properties can be obtained.Mainly used for high-performance micro motors (stepper motors, brushless motors), automotive motors, copiers, laser printers, magnetic sensors, p: 22

2023-09

Magnet machining is mainly divided into these three types Magnet mechanical processing is mainly divided into three types, namely cutting processing, shape processing, and drilling processing. Below, we will introduce each of them one by one.Cutting processing: If the magnet is of regular shape, the magnet manufacturer will have a specialized slicing machine. If the magnet is of irregular shape, wire cutting processing must be used;Shape processing: Process circular and square magnets into fan-shaped, tile shaped, slotted, polygonal, or other complex shaped magnets. Shape processing includes grinding slicing, inner circle slicing machine slicing, multi wire cutting slicing, and wire cutting irregular processing.Punching processing: Usually, magnet punching is mainly used to punch countersunk holes, and there are also straight holes. The processing method for countersunk hole circular ring magnets is to cut or drill holes again after slicing, and the processing process requirements are relatively particular.Give a few examples of commonly used: 21

2023-09

Introduction to Performance Parameters of Multipole Bonded Magnetic Rings for Floor Fan Motors Regarding this bonded neodymium iron boron D55.85 * d52.85 * 10, some customers have reported a magnetic ring specification of D56 * 53 * 14. Currently, there are various performance and magnetization methods available on the market, and some customers use height 14 and some use height 10. Regarding the magnetization method, there are 8-pole and 10-pole magnets that need to be filled internally. Some magnets require 950gs, while others require 1300gs, depending on the actual usage requirements of the customers.At present, our company has completed its own mold and provided samples for testing regarding the specifications, performance, and surface magnetism of the bonded neodymium iron boron magnetic ring mentioned above. Welcome to inquire!How much is a bonded neodymium iron boron magnetic ring D55.85 * d52.85 * 10?The price of this magnetic ring is approximately 3 yuan per item, and the specific cost depends on your actual needs, payment method, and purchase quantity.If you have custo: 21

2023-09

How to detect magnets? Inspection items and contents of neodymium iron boron strong magnets Some customers, before customizing magnets, need to send samples to the magnet manufacturer for testing in order to produce qualified samples due to their own unclear understanding of the material, performance grade, and surface Gaussian of the magnets used by their company.The detection of finished neodymium iron boron magnets generally uses measuring tools such as micrometers, vernier calipers, Gauss gauges, fluxmeters, and film thickness gauges.The film thickness gauge mainly measures the thickness of the electroplating layer of finished neodymium iron boron magnets. The use of a film thickness gauge can effectively monitor the quality of electroplating, and flexible adjustments can be made during magnet electroplating.Micrometers and vernier calipers mainly measure the tolerance and size of magnets, in millimeters.The Gauss meter mainly measures the magnetic force at a point on the surface of a magnet, measured in Gauss. As the magnetic force at each point on the surface of the mag: 21

2023-09

Ball milling of sintered neodymium iron boron In the experiment, ball milling was used to produce powder due to the limited amount of raw materials, but overall, the particle size of the powder obtained by ball milling is not as uniform as that obtained by airflow milling. The ball to material ratio is 10:1, the medium for ball milling is 120 # aviation gasoline, and the ball milling tank is made of stainless steel. The balls used are steel balls with four diameters, namely 2mm, 5mm, 8mm, and 10mm. Each type of steel ball has the same weight.Pulverizing includes two processes: coarse crushing and grinding. Firstly, the oxide skin on the surface of the ingot should be removed, and then coarse crushing should be carried out. When the ingot is broken to about 20mm, hydrogen crushing method is used to improve its fragility and make ball milling easier. Grinding fine powder includes two methods: ball milling and airflow milling. Among them, the airflow mill utilizes the collision between powders under the propulsion of supersonic airfl: 19

2023-09

Summary of Issues Related to Magnet Planar Multipole Magnetization What is the maximum magnetic force of the magnetization machine?The magnitude of magnetic force mainly depends on the material of the magnet (magnetic energy product) because that is an internal factor. The magnetic force varies greatly depending on the material and product size.Can the magnetization machine of neodymium iron boron magnets be filled with ferrite?If a magnetizing machine filled with neodymium iron boron is used to charge ferrite, there will definitely be no problem, but a magnetizing machine filled with ferrite may not have enough power to charge neodymium iron boron.Common ways of magnetizing magnets?The magnetizing machine of the magnetic ring magnetizes, and the most charged ones are radial multipole magnetization, radial magnetization, planar single-stage magnetization, and planar multipole magnetization.What is the most difficult way to charge?It is understood that the most challenging aspect is radial magnetization. If it is ferrite magnetization, it will be relat: 18

2023-09

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