第一章 维修电动机常用工具和仪表.doc

第一章 维修电动机常用工具和仪表The first chapter repair motor common tools and instruments第一节 维修电动机的常用工具The first section of the motor repair tools一、试电笔One, the test pencil二、老虎钳Two, pliers三、螺丝刀Three, the screwdriver四、活动扳手Four, adjustable wrench五、电烙铁Five, the electric iron六、绕线机Six, winding machine七、压脚Seven, the pressure foot八、划线板Eight, the marking plate九、拔轮器Nine, pulley extractor十、錾子Ten, cold chisel十一、清槽片Eleven, tank cleaning tablets十二、剥线钳Twelve, stripping pliers十三、游标卡尺Thirteen, vernier caliper十四、千分尺Fourteen, micrometer第二节 检测电动机的常用仪表Commonly used instrument motor section second一、数字万用表A, digital multimeter二、指针万用表Two, the pointer multimeter三、兆欧表Three, megger四、钳形表Four, clamp meter第三节 维修电动机的常用材料Common materials for third day repair motor一、漆包线A, enameled wire二、电缆线Two, the cable三、绝缘漆Three, insulating paint四、腊管Four, La tube五、绝缘纸Five, the insulating paper六、润滑脂Six, grease第二章 电磁的基本知识The second chapter, the basic knowledge of electromagnetic第一节 电磁基本现象Section 1 basic electromagnetic phenomena一、磁现象和磁的性质Properties, magnetism and magnetic二、电磁感应现象Two, the electromagnetic induction phenomenon三、直流发电机的原理和直流电路The principle and the DC three, DC generator四、电流产生磁场Magnetic field produced by four, current五、磁场对通电导体的作用Five, the role of magnetic field on the electrified conductor第二节 单相正弦交流电The second section single-phase sinusoidal alternating current一、单相正弦交流电的产生A, single phase alternating current二、交流电的频率Two, the frequency of the alternating current三、交流电的相位Phase three, alternating current四、交流电的最大值和有效值Four, the maximum value and effective value of alternating current第三节 三相交流电The third section three-phase alternating current一、三相交流电动势的产生A three-phase alternating current, electromotive force二、星形连接和三角形连接Two, the star connection and delta connection第三章 异步电动机的工作原理和故障检修Working principle and troubleshooting of the third chapter of asynchronous motor第一节 异步电动机的简单工作原理The first section simple working principle of asynchronous motor第二节 铭牌介绍The second section introduces the nameplate第三节 产品型号编制意义The third section product model establishment significance第四节 异步电动机的常见故障与排除Troubleshooting fourth asynchronous motor第五节 常见异步电动机绕组故障分析Analysis of fifth common asynchronous motor winding fault一、故障原因分析Analysis, fault reason二、常见异步电动机绕组烧坏的特征、原因和处理方法Two, the common asynchronous motor winding characteristics, causes and treatment methods第四章 异步电动机的局部修理The local fourth chapter of asynchronous motor repair第一节 电动机的正确拆装The first section correctly and motor一、电动机的拆卸A, motor disassembly二、电动机的装配Two, motor assembly第二节 轴的修理The second section shaft repair第三节 轴承The third section bearing第四节 转子断条修理The fourth section rotor broken bar repair第五节 机壳裂纹的修理The fifth section crack repair第六节 绕组绝缘不良The sixth section winding insulation failure第七节 绕组接地The seventh section winding grounding第八节 绕组短路The eighth section winding short circuit一、相间短路A, phase to phase short circuit二、匝间短路Two, inter turn short circuit三、短路绕组的修补Three, short-circuit winding repair第九节 绕组开路The Ninth Section winding第十节 损坏线圈的穿绕修补Wound repair in tenth damaged coil第十一节 电动机绕组的始端和末端的判断The eleventh section motor winding the beginning and the end of the judge一、灯泡检查法One, lighting inspection method二、万用表检查法Two, a multimeter to check method三、转向法Three, the steering law第五章 定子绕组的全部拆换The fifth chapter of the stator winding remove all第一节 查明电动机使用和损坏的原因The first section to find out the reason and damage to the motor第二节 记录铭牌和原有数据The second day record nameplate and the original data一、铭牌数据内容A nameplate, data content二、铁芯和绕组数据内容Two, the core and winding data content三、线圈尺寸Three, the coil size第三节 拆除旧绕组In section third, the demolition of the old winding一、通电加热法A, ohmic heating method二、溶剂溶解法Two, solvent method三、木柴火烧法Three, wood burning method第四节 做绕线模The fourth festival of winding mould第五节 绕线The fifth section winding一、导线的检查及测量Inspection and measurement, wire二、绕线过程Two, the winding process第六节 嵌线The sixth section block line一、嵌线工具和辅助材料的准备A, block line of tools and auxiliary materials preparation二、嵌线步骤Two, block line step第七节 接线与引出线The seventh section connection and the outlet line一、接线A, wiring二、引线Two, lead第八节 线头的焊接The eighth section head welding一、焊接的目的One, the purpose of welding二、焊接前的准备Two, the preparation before welding三、导线的连接形式Three, the wire connection form四、连接线的排列Four, connection line arrangement五、铜线焊接种类Five, copper wire welding type六、铜铝焊接Six, copper and aluminum welding第九节 绕组的浸漆与烘干Impregnation and drying section ninth winding一、绕组烘干浸漆的作用A, winding drying impregnation effect二、烘干及浸漆设备Two, drying and impregnation equipment三、浸漆Three, dipping paint四、干燥浸漆工艺Four, dry impregnation process第十节 大电动机成型绕组的修理Repair tenth big motor winding第十一节 检查试验The eleventh section test一、外观检查A, appearance inspection二、测量绝缘电阻和直流电阻Two, measure the insulation resistance and DC resistance三、耐压试验Three, pressure test四、极相组连接的极性检查Four, pole group connection polarity check五、短路试验Five, short circuit test六、空载试验Six, the no-load test七、匝间绝缘强度试验Seven, turn to turn insulation strength test第十二节 同步电动机的修理The twelfth section synchronous motor repair第六章 交流电动机绕组The sixth chapter AC motor winding第一节 单层链式绕组The first section of single chain winding一、每极每相槽数A, number of slots per pole per phase二、极距、绕组节距、全距元件、短距元件Two, pitch, pitch, range, short element element三、绕组的端面图与展开图Figure three, end winding and the expansion plan四、电角度与引出线Four, electrical angle and lead wire五、简单嵌线工艺Five, simple wire embedding technology第二节 单层交叉链式绕组Section second single cross chain winding第三节 单层同心式绕组The third section single-layer concentric winding第四节 双层全距叠绕组The fourth section double full pitch winding第五节 双层短距叠绕组The fifth section double short lap winding第六节 多极电动机绕组The sixth section multipole motor winding第七节 单双层混合绕组The seventh section single double layer winding第八节 同心式双层叠绕组The eighth section concentric double layer winding第九节 多速电动机绕组The Ninth Section multi speed motor winding第十节 分数槽绕组The tenth section fractional slot winding第十一节 波绕组The eleventh day wave winding第七章 旋转磁场The seventh chapter rotating magnetic field第一节 三相电流流入三相绕组产生旋转磁势The first section of three-phase current flowing into the three-phase winding produce a rotating magnetic potential第二节 旋转磁场的性质Properties of second day rotating magnetic field一、旋转磁势的大小A rotating magnetic potential, the size of the二、旋转磁场的转向Turn two, a rotating magnetic field三、旋转磁势的转速Three, the speed of rotating magnetic potential第三节 圆形和椭圆形旋转磁势The third section circular and elliptical rotating magnetic potential第八章 异步电动机定子绕组的简单计算The eighth chapter is simple calculation of asynchronous motor stator winding第一节 定子绕组匝数的计算Calculation of stator winding turns on the first day一、感应电动势的计算Calculation of the induced electromotive force of one二、每极磁通Two, the flux per pole三、绕组系数Three, the winding coefficient四、每相串联匝数和每个线圈的匝数Four, the effective turns per phase and each coil number五、气隙磁通密度的选取Select five, the air gap magnetic flux density第二节 导线截面积的计算The second section wire section area calculation一、导线截面积的确定Sure, a wire cross-sectional area二、导线的替代方法Alternative two, conductor第三节 改极计算The third section changing calculation一、定、转子槽数配合One, the number of rotor slots with fixed二、轭部磁通密度的校核Check two, yoke flux density第四节 绕线模芯尺寸的简单计算A simple calculation section fourth winding core size一、双层菱形线模尺寸的计算Calculation of a, double diamond die size二、链式或同心式模芯尺寸的计算The calculation of