自动门
自动门:如何选择齿轮减速电机
发布时间:2015/9/9
自动门讯:
    为选择齿轮减速电机,必须先确定以下参数:
    (1)电动机功率。
    (2)输出转速,输出转矩:减速器的尺寸由要求的转矩决定,而该输出转矩。可由电动机输出功率和减速器的输出转速计算出,减速器的输出转矩为减速器输出转矩、电机功率、减速器输出转速、减速器的效率。
    (3)工况系数:
一般减速器厂家是按恒转矩载荷和只有少量启/停的情况设计的。若使用的情况不同时,就必须将计算出的理论输出转矩或输出功率乘以工况系数,这个工况系数取决于停止-启动频率、惯性加速系数和每天运行时间。是由运行时间、每小时启动和停止次数和载荷类型所决定的工况系数,每天运行时间以小时为单位,在每小时启动和停止次数中必须包括所有启动和制动动作,也包括变极电机和直流电机从调整向低速或从低速向调整的变化次数。
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