原理与结构
YEJ系列电磁制动电动机的直流圆盘制动器安装在电机非轴伸端的端盖上。当制动电动机介入电源,制动器也同时工作。由于电磁吸力作用,电磁铁吸引衔铁并压缩弹簧,制动盘于衔铁端盖脱开,电动机开始运转。当切断电源时,制动器电磁铁失去磁吸力,弹簧推动衔铁压紧制动盘,在摩擦力矩作用下,电动机立即停止对应用于各型号的YEJ制动电动机。
制动器电源由电机接线盒内的整流器供给,3千瓦及以下为AC220V-DC99V,4千瓦以上为AC380V-DC170V。
特点说明
YEJ系列电磁制动电动机是全封闭自扇冷式鼠笼型具有附加圆盘型直流制动器的三相异步电动机,它具有制动迅速、结构简单、可靠性高、通用性强等优点。此外制动器具有人工释放机构,被广泛应用于各种要求快速停止和准确定位的机械设备和传动装置中。
Characteristic description
YEJ series electromagnetic brake motor is a three-phase asynchronous motor with totally enclosed self fan cooling squirrel cage type and additional disc type DC brake. It has the advantages of quick braking, simple structure, high reliability and strong universality. In addition, the brake has a manual release mechanism, which is widely used in a variety of mechanical equipment and transmission devices requiring fast stop and accurate positioning.
