JB∕T 7127-2022 YD 系列（IP54）变极多速三相异步电动机技术规范（机座号 63～315）.pdf

ICS29.160.30

CCSK22同J:1

中华人民共和国机械行业标准

JB厅7127-2022

代替m厅7127-2010

YD系列（IP54）变极多速三相异步电动机

技术规范〈机座号63～315)

SpecificationforYDseries(IP54)change-polemulti-speedthree-phase

inductionmotors(framesize63~315)

2022-09-30发布

2023-04-01实施

中华人民共和国工业和信息化部发布

JB厅7127-2022

目次

前言”......…·……··……··………··…………··……………··……··………...….…E

1范围……··……………··………“……·……“……1

2规范性引用文件………………”………...………1

3术语和定义．．．·…··…··”…………··········································…”··……··……··……1

4型式、基本参数与尺寸…··………………1

5技术要求．．．．．………13

6试验方法”…H…20

7检验规则…··……….........………...….............…..20

8标志、包装及保用期·······························“····································································“··································“.21

图1机座带底脚、端盖上无凸缘的电动机．．．．．……·－··················…．…．…．．…．…．．．．．．…．．…．．…．…．．…．．…．．…．．…．．…...

图2机座带底脚、端盖上有凸缘的电动机……………“··”……··………··…··……...6

图3机座不带底脚、端盖上有凸缘的电动机…………··…………··…··…………··…··…··…...8

图4立式安装、机座不带底脚、端盖上有凸缘、轴伸向下的电动机……10

表I结构及安装型式H…………··”……...2

表2绕组的接法和出线端数.…··…··…………··“……2

表3机座号与同步转速及额定功率的对应关系“……………··…··…“……··…··…H……··…3

表4机座带底脚、端盖上无凸缘的电动机．．…….........……·…...………4

表5机座带底脚、端盖上有凸缘的电动机…”…6

表6机座不带底脚、端盖上有凸缘的电动机...……“…“………..........8

表7立式安装、机座不带底脚、端盖上有凸缘、轴伸向下的电动机………………10

表8轴伸键的尺寸及公差…………··”……12

表9径向圆跳动公差……··…..…·………......……....……“….......…·………...……·…………...12

表10径向圆跳动及轴向圆跳动公差····························································…