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MZD1交流单相制动电磁铁

更新:2013/9/12 14:01:20      点击:
  • 产品品牌   
  • 产品型号   MZD1
  • 产品描述

    MZD1交流单相制动电磁铁,是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于MZD1交流单相制动电磁铁型号,MZD1交流单相制动电磁铁价格,有关MZD1交流单相制...

产品介绍

MZD1系列交流单相制动电磁铁(以下简称电磁铁)适用于交流50Hz额定电压至380V的电路中。主要作为匹配TJ2系列或JWZ系列闸瓦制动器的操作装置。

(1)海拔高度不超过2500m;
(2)周围空气温度不高于+40℃及不低于-25℃:
(3)空气相对湿度不大于90%(该月的平均最低温度不超过+25℃);
(4)在无爆炸危险的介质中,且介质中无足以腐蚀金属和破坏绝缘的气体与尘埃(包括导电尘埃);
(5)在没有雨雪侵袭的地方;
(6)无显著摇动和冲击振动的地方:
(7)安装类别为川类,污染等级为3级的场合。

电磁铁制成敞开式,防护等级为IP00。
电磁铁主要是由铁芯、衔铁及线圈三大部分组成的回转拍合式的工作结构。
※当线圈通电时,衔铁被吸合到铁芯上,这时衔铁通过停档压在制动杆上迫使制动杆移动,从而使制动器闸瓦松开。当电源切断时,制动器在弹簧的作用下,使衔铁离开铁芯,则制动器将闸瓦抱紧,达到制动效果。

电磁铁的工作制有间断长期工作制及反复短时工作制,额定工作电压为交流50Hz,220V、380V两种。
※长期工作制即TD=100%,其每小时动作次数不超过20次,反复短时工作制即TD40%,每小时操作次数不超过300次。
※在正常工作条件下对反复短时工作制的电磁铁寿命为60万次。
电磁铁在电压不低于85%额定工作电压时,其技术数据见表1所示

型号
电磁铁转矩(N·m)
衔铁的重力
吸持时电流A
回转角(。)
额定回转角度
重量(kg)
通电持续率
转矩
下制动杆位移mm
40%
100%
(N·m)
MZD1-100
5.5
3
5
0.8
7.5
3
4.4
MZD1-200
40
20
36
3
5.5
3.8
18
MZD1-300
100
40
92
8
5.5
4.4
40

注:电磁铁的转矩不包括衔铁重量所产生的转矩

安装前应核对电磁铁铭牌数据是否与需要相符,然后用手拉动电磁铁的衔铁,使其能自由落下,不应有卡住现象。
电磁铁安装在TJ2系列制动器上时应先将制动器上的安装板条卸下.装于电磁铁安装孔,然后将其装于制动器上。
在安装电磁铁时应注意.调整至制动器上的制动杆应顶在电磁铁停档的中间部位。
电磁铁装在制动器上后,应将螺栓、螺母拧紧,并应调整制动器的制动杆,使制动杆的位移不大于表1所列的数据。
接上电源通以额定工作电压,调整制动器闸瓦制动轮之间的间隙(注意通电时间应与通电持续率相符),间隙距离见制动器使用说明书。
定期检查线圈的接线片是否脱焊、松动,衔铁是否因污垢而卡住,衔铁的行程,制动杆位移是否符合要求,紧固件是否拧紧等。
定期在活动部件加上少量润滑油(制动器的闸带上切不能加油)。

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