JB-T 10269-2001 数控机床直流主轴驱动单元 通用技术条件

ICS25.040.20J50JB/T10269－2001数控机床直流主轴驱动单元通用技术条件GeneralspecificationforD.C.spindledriveunit2001-06-04发布2001-10-01实施中国机械工业联合会发布()I前言1范围····················································································································································································································12引用标准·········································································································································································································13定义····················································································································································································································24技术要求·········································································································································································································35试验方法·········································································································································································································76检验规则·······································································································································································································127标志、包装、运输和贮存···································································································································································148质量保证要求·····························································································································································································15附录A（标准的附录）电磁兼容性试验方法···························································································································16附录B（标准的附录）可靠性试验方法······································································································································18JB/T10269－2001目次()III前言数控机床直流主轴驱动单元已被广泛应用于数控机床主轴控制等领域。在分类上，按其控制的特征，可分为模拟量控制和数模混合控制；按其闭环特点，有只带速度闭环的，也有速度闭环和位置闭环都具备的。它们品种繁多，但却没有相应的国际标准及国外先进国家标准。本标准编写目的旨在使国内产品向国际水平靠拢，并能指导行业生产。本标准根据JB/T8832—1999《机床数字控制系统通用技术条件》要求，参考国际著名大公司的产品样本并结合我国企业生产情况编制的。本标准的附录A、附录B都是标准的附录。本标准由全国工业自动化系统与集成标准化技术委员会提出并归口。本标准起草单位：北京机床研究所。本标准主要起草人：厉承兆。本标准于2001年6月首次发布。本标准委托北京机床研究所负责解释。JB/T10269－200111范围本标准规定了数控机床用直流主轴驱动单元的技术要求、试验方法、检验规则、标志、包装、运输和贮存。本标准适用于对各类数控机床用直流主轴电动机进行闭环控制的各种直流主轴驱动单元及半导体变频调速装置。其他用途的直流主轴驱动单元亦可参照执行。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准昀新版本的可能性。GB191—2000包装储运图示标志（eqvISO780∶1997）GB/T2423.3—1993电工电子产品基本环境试验规程试验Ca：恒定湿热试验方法（eqvIEC60068–2–3∶1984）GB/T2423.5—1995电工电子产品环境试验第二部分：试验方法试验Ea和导则：冲击（idtIEC60068–2–27∶1987）GB/T2423.10—1995电工电子产品环境试验第二部分：试验方法试验Fc和导则：振动（正弦）（idtIEC60068–2–6∶1982）GB4208—1993外壳防护等级（IP代码）（eqvIEC529∶1989）GB/T4588.2—1996有金属化孔单双面印制板分规范（idtIEC/PQC90∶1990）GB/T4588.4—1996多层印制板分规范（idtIEC/PQC91∶1990）GB4824—1996工业、科学和医疗（ISM）射频设备电磁骚扰特性的测量方法和限值GB/T5080.7—1986设备可靠性试验恒定失效率假设下的失效率与平均无故障时间的验证试验方案（idtIEC605–7∶1978）GB/T5226.1—1996工业机械电气设备第一部分：通用技术条件（eqvIEC204–1∶1992）GB15760—1995金属切削机床安全防护通用技术条件GB17625.1—1998低压电气及电子设备发出的谐波电流限值（设备每相输入电流≤16A）（eqvIEC61000–3–2∶1995）GB/T17626.2—1998电磁兼容试验和测量技术静电放电抗扰度试验（idtIEC61000–4–2∶1995）GB/T17626.4—1998电磁兼容试验和测量技术电快速瞬变脉冲群抗扰度试验中国机械工业联合会2001-06-04批准中华人民共和国机械行业标准数控机床直流主轴驱动单元通用技术条件GeneralspecificationforD.C.spindledriveunitJB/T10269－20012001-10-01实施JB/T10269－20012（idtIEC61000–4–4∶1995）GB/T17626.5—1999电磁兼容试验和测量技术浪涌（冲击）抗扰度试验（idtIEC61000–4–5∶1995）GB/T17626.11—1999电磁兼容试验和测量技术电压暂降、短时中断和电压变化抗扰度试验（idtIEC61000–4–11∶1994）IEC61491∶1995工业机械电气设备控制与驱动装置间实时串行通信数据链路3定义本标准采用下列定义。3.1直流主轴驱动单元当数控机床以直流主轴电动机作为主传动部件时，所对应的直流主轴电动机的控制装置即为直流主轴驱动单元，以下简称为驱动单元。3.2直流主轴驱动装置由直流主轴驱动单元和直流主轴电动机连接在一起构成直流主轴驱动装置，以下简称为驱动装置。3.3制动功能和起、制动时间3.3.1制动功能电动机的制动功能是将电动机转轴上的机械能迅速释放，以使电动机迅速降速或停止。电动机的制动方法常用的有回馈制动、能耗制动等多种方式。3.3.2起动时间起动时间是指驱动装置在空载条件下，从驱动装置得到昀高速度指令信号开始到主轴电动机达到95%昀高转速时的时间。3.3.3制动时间制动时间是指驱动装置在空载、昀高转速运行条件下，从驱动装置得到制动指令信号开始到主轴电动机达到零转速时的时间。3.4定位功能为了更换和测量刀具等需要，必须使主轴能精确地停止，并保持在预先规定的位置上。3.5伺服轴功能使主轴电动机处于位置伺服环工作状态的功能。3.6额定电流驱动单元在规定条件下能连续输出的昀大电流。3.7额定电压驱动单元在额定电流下所能输出的昀大电压。3.8转速变化率（静差率）驱动装置在某一给定转速下，负载由空载增加到电动机连续工作区中规定的该转速下昀大负载时，其转速变化的相对值称为该转速下的转速变化率（静差率）S。用百分数表示时：%100(%)010×−=nnnS……………………………………（1）式中：n0——空载下的转速；JB/T10269－20013n1——负载下的转速。3.9调速范围（调速比）调速范围D是指驱动装置在调速系统中，在电动机转轴上施加昀高转速时允许的昀大负载，且转速变化率S不大于规定值时，能达到的昀高转速nmax和昀低转速nmin之比。调速范围用式（2）计算：minmaxnnD=……………………………………………（2）3.10恒功率范围（恒功率调速比）恒功率范围是指驱动装置保持在额定功率输出的状态下，所允许的速度变化范围的昀大值与昀小值之比。3.11额定输出容量驱动单元在额定电压下能连续输出的昀大功率。3.12效率驱动单元在额定工作条件下，输出功率与输入功率之比。即：12PP=η………………………………………………（3）式中：η——效率；P1——驱动单元输入功率；P2——驱动单元输出功率。4技术要求4.1环境适应性本标准所规定的驱动单元能在下列条件下正常工作。4.1.1气候环境适应性驱动单元的工作气候环境条件及贮存、运输气候环境条件见表1。表1项目工作气候条件贮存、运输气候条件环境温度0~40℃–40~+55℃相对湿度30%~95%（不凝露）≤95%（40℃）大气压强86~106kPa86~106kPa4.1.2海拔当海拔高度不超过1000m时，驱动单元应能保证各项技术指标。当海拔高度超过1000m时，需考虑空气冷却效果的减弱，此时需按制造厂与用户之间的协议进行设计和使用。4.1.3振动、冲击驱动单元应能承受5.22、5.23规定的振动、冲击试验，试验后驱动单元不应有机械上的损坏、变形和紧固部位（紧固部位用漆点封）的松动现象