50WW270电机用钢

电工钢硅钢片电工钢板的磁感应强度高，铁芯的激磁电流（也称空载电流）降低，铜损和铁损都下降，可节省电能。当电机和变压器功率不变时，磁感应强度高，设计Bm可提高，铁芯截面积可缩小，这使铁芯体积减小和重量减轻，并节省电工钢板、华尔网导线、华尔网绝缘材料和结构材料用量，可降低电机和变压器的总损耗和制造成本，并且有利于大变压器和大电机的制造、华尔网安装和运输。硅钢性能的要求主要是：1、华尔网铁损低，这是硅钢片质量的重要指标。各国都根据铁损值划分牌号，铁损愈低，牌号愈高。2、华尔网较强磁场下磁感应强度（磁感）高，这使电机和变压器的铁芯体积与重量减小，节约硅钢片、华尔网铜线和绝缘材料等。3、华尔网表面光滑、华尔网平整和厚度均匀，可以提高铁芯的填充系数。4、华尔网冲片性好，对制造微型、华尔网小型电动机更为重要。5、华尔网表面绝缘膜的附着性和焊接性良好，能防蚀和改善冲片性

电工钢硅钢片In addition to the types listed above, there are also some special purpose electrical steel plates, such as 0.15 and 0.20mm thick 3％ Si cold-rolled non oriented silicon steel strips and 0.025, 0.05, and 0.1mm thick 3％ Si cold-rolled oriented silicon steel strips, used for medium and high-frequency motors, transformers, and pulse transformers； 0.7mm thick 3％ Si high-strength cold-rolled non oriented silicon steel plate for relays and power switches； High strength cold-rolled electrical steel plate for new high-speed motor rotors； Low carbon electrical steel hot-rolled thick and cold-rolled plates for magnetic shielding and high-energy accelerator electromagnets such as medical magnetic resonance tomography scanners； 4.5％ to 6.5％ Si high silicon steel plates for high-frequency motors, transformers, and magnetic shielding.Generally, motors, transformers, and other electrical components are required to have high efficiency, low power consumption, small size, and light weight. Electrical steel plates are usually guaranteed to have magnetic properties based on core loss and magnetic induction strength [1] [2]. The requirements for the performance of electrical steel plates are as follows:Low core loss (PT)Iron core loss refers to the ineffective electrical energy consumed by an iron core when magnetized in an alternating magnetic field of ≥ 50Hz, abbreviated as iron loss, also known as alternating loss, and its unit is W/kg. The ineffective electrical energy consumed due to various obstacles caused by magnetic flux changes not only loses electrical energy through the heating of the iron core, but also causes temperature rise of the motor and transformer. The iron loss (PT) of electrical steel includes three parts: hysteresis loss, eddy current loss (Pe), and anomalous loss (Pa). Electrical steel plates have low iron loss, which can save a lot of electricity, prolong the operating time of motors and transformers, and simplify cooling devices. Due to the iron loss of electrical steel plates, which accounts for 2.5％ to 4.5％ of the annual electricity generation in various countries, countries always try their best to reduce iron loss in the production of electrical steel plates, and use iron loss as the most important indicator to assess the magnetic properties of products. The iron loss value of products is used as the basis for classifying product grades. Cold rolled oriented electrical steel: Cold rolled oriented electrical steel is a high-end product in the field of electrical steel. Compared with cold rolled non oriented electrical steel, its magnetism has strong directionality； It has superior high magnetic permeability and low loss characteristics in the direction of easy magnetization rolling. The iron loss of oriented steel strip in the rolling direction is only 1/3 of that in the transverse direction, and the ratio of magnetic permeability is 6:1. Application: The main purpose of cold-rolled oriented silicon steel strip is for transformer manufacturing.Full process cold rolled non oriented silicon steel coating: The surface of the full process cold rolled silicon steel is coated with a semi transparent insulation coating, which has different codes in different standards. Taking Baosteel‘s Q/BQB 480 2014 as an example:

电工钢硅钢片 优异的电磁性能 的设备、华尔网同城先进的制造工艺以及严格的管理确保了宝钢取 向电工钢电磁性能的优良、华尔网同城稳定。 出色的加工性能 高精度尺寸与优异的力学性能便于用户分条、华尔网同城剪切与叠片。 卓越的尺寸精度 宝钢先进的设备和制造技术，确保取向电工钢良好的板形,表 面平滑、华尔网同城厚度均匀、华尔网同城同板差小、华尔网同城叠片系数高。 优良的表面涂层性能 宝钢取向电工钢具有均匀的表面涂层，良好的附着性，防止 加工时的涂层脱落；层间绝缘性能良好。 更多的宽度选择 宝钢取向电工钢的板宽900-1200mm，用户可以从中选择，提 高材料的利用率。