王庄街道伊明科技VRB115-7-S2-P1-L1舞动智慧
4、所以电机的转动惯量与负载的转动惯量相等时(传动比=1),为惯量匹配;
5、如果传动比=10,那么电机的转动惯量等于负载折算到电机轴的惯量(负载惯量/100),为惯量匹配;
6、可是电机的转子惯量不可能做得那么大,而且转子惯量大,增大了电机动力的无用负荷,所以一般规定负载惯量与电机惯量的比在一定范围内,例如笨鸟说的(5~20);
7、电机转子与负载惯量之间的匹配与转子与负载之间的连接是柔性连接还是刚性连接有关;
8、一般原则是负载惯量大电机转子的惯量大,反之,负载惯量小要求电机转子的惯量也小;
9、一般情况下,电机转子的惯量远小于负载惯量;
王庄街道伊明科技VRB115-7-S2-P1-L1舞动智慧
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王庄街道伊明科技VRB115-7-S2-P1-L1舞动智慧
王庄街道伊明科技VRB115-7-S2-P1-L1舞动智慧
经国家税务部门证实,出口涂料不在消费税征收范围。如果涂料搭家具的便车出口,是否也可以免税?这个逻辑看似有道理,实际上,这是对征收消费税本意的一种误解。消费税征收的对象是生产企业、委托加工或进口环节的涂料,只要在国内施工,都在征收的范围之内。不仅出口涂料免征消费税,树脂、稀释剂、固化剂等也不单独征收涂料消费税。这就是说,只要本身无涂料品牌,而只做半成品直销,专卖油漆,稀释剂、固化剂由另外的厂家提供,是不是就可以规避消费税?至少在征收细则未出台以前,也是肯定的。
王庄街道伊明科技VRB115-7-S2-P1-L1舞动智慧