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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
168211
元
材料费:77201元
人工费:86544元
设计费:1760元
质检费:2706元
根据《机械设计手册》(化工出版社出版),图13-1-1,普通V带选型图;功率4千瓦,小带轮转速每分钟1450转,选取普通A型三角带;根据表1301-18,普通V带额定功率,小带轮直径125毫米,转速每分钟1450转,单根额定功率为1.92千瓦。选取A型普通三角带三根,足够传动4千瓦电动机功率。大带轮转速为每分钟700转,减速比为:1450÷700≈2.07; 考虑摩擦损失,选取减速比为2.05;则大带轮直径为:125毫米×2.05≈256毫米。另一种选择为,选普通V型三角带B型,单根额定功率为2.19千瓦。选取B型普通三角带两根,传动4千瓦电动机功率。直径与A型带选择相同。(仅供参考)