| 
             公稱傳 動(dòng)比iN  | 
            
             輸入轉(zhuǎn) 速1/ rmin-1  | 
            
             中心距/mm  | 
        |||||||||
| 
             80  | 
            
             100  | 
            
             125  | 
            
             140  | 
            
             160  | 
            
             180  | 
            
             200  | 
            
             225  | 
            
             250  | 
            
             280~710  | 
        ||
| 
             傳動(dòng)效率η/%  | 
        |||||||||||
| 
             10  | 
            
             1500  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
            
             92  | 
            
             93  | 
            
             93  | 
            
             94  | 
            
             94  | 
            
             95  | 
        
| 
             1000  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
            
             92  | 
            
             93  | 
            
             93  | 
            
             94  | 
            
             94  | 
            
             95  | 
        |
| 
             750  | 
            
             89  | 
            
             89.5  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
            
             92  | 
            
             93  | 
            
             93  | 
            
             94  | 
        |
| 
             500  | 
            
             87  | 
            
             87.5  | 
            
             88  | 
            
             89  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
        |
| 
             12.5  | 
            
             1500  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92.5  | 
            
             92.5  | 
            
             93.5  | 
            
             93.5  | 
            
             94.5  | 
        
| 
             1000  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92.5  | 
            
             92.5  | 
            
             93.5  | 
            
             93.5  | 
            
             94.5  | 
        |
| 
             750  | 
            
             88  | 
            
             88.5  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91.5  | 
            
             91.5  | 
            
             92  | 
            
             92  | 
            
             93  | 
        |
| 
             500  | 
            
             86  | 
            
             86.5  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             89  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
        |
| 
             14  | 
            
             1500  | 
            
             88.5  | 
            
             89.5  | 
            
             89.5  | 
            
             91  | 
            
             91  | 
            
             92  | 
            
             92  | 
            
             93  | 
            
             93  | 
            
             91  | 
        
| 
             1000  | 
            
             88.5  | 
            
             89.5  | 
            
             89.5  | 
            
             91  | 
            
             91  | 
            
             92  | 
            
             92  | 
            
             93  | 
            
             93  | 
            
             94  | 
        |
| 
             750  | 
            
             87  | 
            
             88  | 
            
             88.5  | 
            
             89.5  | 
            
             89.5  | 
            
             91  | 
            
             91  | 
            
             91.5  | 
            
             91.5  | 
            
             92.5  | 
        |
| 
             500  | 
            
             85  | 
            
             86  | 
            
             86.5  | 
            
             87.5  | 
            
             87.5  | 
            
             88  | 
            
             88  | 
            
             89  | 
            
             89  | 
            
             90  | 
        |
| 
             16  | 
            
             1500  | 
            
             88  | 
            
             89  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
            
             92  | 
            
             93  | 
        
| 
             1000  | 
            
             88  | 
            
             89  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
            
             92  | 
            
             93  | 
        |
| 
             750  | 
            
             86.5  | 
            
             87  | 
            
             88  | 
            
             89  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
        |
| 
             500  | 
            
             84  | 
            
             84.5  | 
            
             85  | 
            
             86  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             89  | 
        |
| 
             18  | 
            
             1500  | 
            
             87.5  | 
            
             88  | 
            
             88  | 
            
             89.5  | 
            
             89.5  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
        
| 
             1000  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             89  | 
            
             89  | 
            
             90  | 
            
             90  | 
            
             91  | 
            
             91  | 
            
             92  | 
        |
| 
             750  | 
            
             85.5  | 
            
             86  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             89.5  | 
            
             89.5  | 
            
             90  | 
            
             90  | 
            
             91  | 
        |
| 
             500  | 
            
             83  | 
            
             83.5  | 
            
             84  | 
            
             85  | 
            
             85  | 
            
             86  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             88  | 
        |
| 
             20  | 
            
             1500  | 
            
             86.5  | 
            
             87  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             89.5  | 
            
             89.5  | 
            
             90  | 
            
             90  | 
            
             91  | 
        
| 
             1000  | 
            
             86  | 
            
             86.5  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             89.5  | 
            
             89.5  | 
            
             90  | 
            
             90  | 
            
             91  | 
        |
| 
             750  | 
            
             84.5  | 
            
             85  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             89  | 
            
             89  | 
            
             89.5  | 
            
             89.5  | 
            
             90  | 
        |
| 
             500  | 
            
             82  | 
            
             82.5  | 
            
             83  | 
            
             84  | 
            
             84  | 
            
             85  | 
            
             85  | 
            
             86  | 
            
             86  | 
            
             87  | 
        |
| 
             22.4  | 
            
             1500  | 
            
             85.5  | 
            
             86  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             88.5  | 
            
             88.5  | 
            
             89  | 
            
             89  | 
            
             90  | 
        
| 
             1000  | 
            
             85  | 
            
             86  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             88.5  | 
            
             88.5  | 
            
             89  | 
            
             89  | 
            
             90  | 
        |
| 
             750  | 
            
             83.5  | 
            
             84.5  | 
            
             84.5  | 
            
             85.5  | 
            
             85.5  | 
            
             87.5  | 
            
             87.5  | 
            
             88  | 
            
             88  | 
            
             89  | 
        |
| 
             500  | 
            
             80.5  | 
            
             81  | 
            
             81  | 
            
             82  | 
            
             82  | 
            
             83  | 
            
             83  | 
            
             84  | 
            
             84  | 
            
             85.5  | 
        |
| 
             25  | 
            
             1500  | 
            
             85  | 
            
             86  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             88.5  | 
            
             88.5  | 
            
             89  | 
        
| 
             1000  | 
            
             84  | 
            
             85  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             88  | 
            
             88  | 
            
             88.5  | 
            
             88.5  | 
            
             89  | 
        |
| 
             750  | 
            
             83  | 
            
             83.5  | 
            
             84  | 
            
             85  | 
            
             85  | 
            
             86  | 
            
             86  | 
            
             87  | 
            
             87  | 
            
             88  | 
        |
| 
             500  | 
            
             79  | 
            
             79.5  | 
            
             80  | 
            
             81  | 
            
             81  | 
            
             81.5  | 
            
             81.5  | 
            
             83  | 
            
             84  | 
            
             85  | 
        |
| 
             28  | 
            
             1500  | 
            
             82.5  | 
            
             83  | 
            
             83.5  | 
            
             84  | 
            
             84  | 
            
             85  | 
            
             85  | 
            
             85  | 
            
             86  | 
            
             87.5  | 
        
| 
             1000  | 
            
             82  | 
            
             82.5  | 
            
             83  | 
            
             84  | 
            
             84  | 
            
             85  | 
            
             85  | 
            
             86  | 
            
             86  | 
            
             87.5  | 
        |
| 
             750  | 
            
             81  | 
            
             81.5  | 
            
             82  | 
            
             83  | 
            
             83  | 
            
             84  | 
            
             84  | 
            
             85  | 
            
             85  | 
            
             86  | 
        |
| 
             500  | 
            
             77  | 
            
             77.5  | 
            
             77.5  | 
            
             78  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
            
             80  | 
            
             81.5  | 
        |
| 
             31.5  | 
            
             1500  | 
            
             80  | 
            
             80.5  | 
            
             81  | 
            
             82  | 
            
             82  | 
            
             83  | 
            
             83  | 
            
             84  | 
            
             84  | 
            
             85  | 
        
| 
             1000  | 
            
             80  | 
            
             80.5  | 
            
             81  | 
            
             82  | 
            
             82  | 
            
             83  | 
            
             83  | 
            
             84  | 
            
             84  | 
            
             85  | 
        |
| 
             750  | 
            
             77  | 
            
             77.5  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
            
             80  | 
            
             81  | 
            
             81  | 
            
             82  | 
        |
| 
             500  | 
            
             73  | 
            
             73.5  | 
            
             74  | 
            
             74.5  | 
            
             74.5  | 
            
             75.5  | 
            
             75.5  | 
            
             76  | 
            
             76  | 
            
             77.5  | 
        |
| 
             35.5  | 
            
             1500  | 
            
             78.5  | 
            
             79  | 
            
             79.5  | 
            
             80  | 
            
             80  | 
            
             81  | 
            
             81  | 
            
             82  | 
            
             82  | 
            
             83.5  | 
        
| 
             1000  | 
            
             78.5  | 
            
             79  | 
            
             79.5  | 
            
             80  | 
            
             80  | 
            
             81  | 
            
             81  | 
            
             82  | 
            
             82  | 
            
             83.5  | 
        |
| 
             750  | 
            
             77  | 
            
             77.5  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
            
             80  | 
            
             81  | 
            
             81  | 
            
             82  | 
        |
| 
             500  | 
            
             73  | 
            
             73.5  | 
            
             74  | 
            
             74.5  | 
            
             74.5  | 
            
             75.5  | 
            
             75.5  | 
            
             76  | 
            
             76  | 
            
             77.5  | 
        |
| 
             40  | 
            
             1500  | 
            
             76  | 
            
             76.5  | 
            
             77  | 
            
             78  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
            
             80  | 
            
             81  | 
        
| 
             1000  | 
            
             76  | 
            
             76.5  | 
            
             77  | 
            
             78  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
            
             80  | 
            
             81  | 
        |
| 
             750  | 
            
             75  | 
            
             75.5  | 
            
             76  | 
            
             77  | 
            
             77  | 
            
             78  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
        |
| 
             500  | 
            
             71  | 
            
             71.5  | 
            
             72  | 
            
             73  | 
            
             73  | 
            
             74  | 
            
             74  | 
            
             75  | 
            
             75  | 
            
             76  | 
        |
| 
             45  | 
            
             1500  | 
            
             74.5  | 
            
             75  | 
            
             76  | 
            
             77  | 
            
             77  | 
            
             78  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
        
| 
             1000  | 
            
             74.5  | 
            
             75  | 
            
             76  | 
            
             77  | 
            
             77  | 
            
             78  | 
            
             78  | 
            
             79  | 
            
             79  | 
            
             80  | 
        |
| 
             750  | 
            
             73.5  | 
            
             74  | 
            
             74.5  | 
            
             75  | 
            
             75  | 
            
             76  | 
            
             76  | 
            
             76.5  | 
            
             76.5  | 
            
             77  | 
        |
| 
             500  | 
            
             69.570 
  | 
            
             70.5  | 
            
             71.5  | 
            
             71.5  | 
            
             72.5  | 
            
             72.5  | 
            
             73  | 
            
             73  | 
            
             74.5  | 
            
             
  | 
        |
| 
             50  | 
            
             1500  | 
            
             73  | 
            
             74  | 
            
             74  | 
            
             75  | 
            
             75  | 
            
             76  | 
            
             76  | 
            
             77  | 
            
             77  | 
            
             78  | 
        
| 
             1000  | 
            
             73  | 
            
             74  | 
            
             74  | 
            
             75  | 
            
             75  | 
            
             76  | 
            
             76  | 
            
             77  | 
            
             77  | 
            
             78  | 
        |
| 
             750  | 
            
             72  | 
            
             72.5  | 
            
             73  | 
            
             74  | 
            
             74  | 
            
             75  | 
            
             75  | 
            
             76  | 
            
             76  | 
            
             77  | 
        |
| 
             500  | 
            
             68  | 
            
             68.5  | 
            
             69  | 
            
             70  | 
            
             70  | 
            
             71  | 
            
             71  | 
            
             72  | 
            
             72  | 
            
             73  | 
        |
| 
             56  | 
            
             1500  | 
            
             71.5  | 
            
             72.5  | 
            
             72.5  | 
            
             73.5  | 
            
             73.5  | 
            
             74.5  | 
            
             74.5  | 
            
             75  | 
            
             76  | 
            
             77  | 
        
| 
             1000  | 
            
             71.5  | 
            
             72.5  | 
            
             72.5  | 
            
             73.5  | 
            
             73.5  | 
            
             74.5  | 
            
             74.5  | 
            
             75  | 
            
             76  | 
            
             77  | 
        |
| 
             750  | 
            
             70.5  | 
            
             71  | 
            
             71.5  | 
            
             72.5  | 
            
             72.5  | 
            
             73.5  | 
            
             73.5  | 
            
             74.5  | 
            
             74.5  | 
            
             75.5  | 
        |
| 
             500  | 
            
             67  | 
            
             67.5  | 
            
             68  | 
            
             68.5  | 
            
             68.5  | 
            
             69.5  | 
            
             69.5  | 
            
             71  | 
            
             71  | 
            
             71.5  | 
        |
| 
             63  | 
            
             1500  | 
            
             70  | 
            
             71  | 
            
             71  | 
            
             72  | 
            
             72  | 
            
             73  | 
            
             73  | 
            
             74  | 
            
             74  | 
            
             75  | 
        
| 
             1000  | 
            
             70  | 
            
             71  | 
            
             71  | 
            
             72  | 
            
             72  | 
            
             73  | 
            
             73  | 
            
             74  | 
            
             74  | 
            
             75  | 
        |
| 
             750  | 
            
             69  | 
            
             69.5  | 
            
             70  | 
            
             71  | 
            
             71  | 
            
             72  | 
            
             72  | 
            
             73  | 
            
             73  | 
            
             74  | 
        |
| 
             500  | 
            
             65  | 
            
             65.5  | 
            
             66  | 
            
             67  | 
            
             67  | 
            
             68  | 
            
             68  | 
            
             69  | 
            
             69  | 
            
             
  | 
        |
選用系數(shù)
(1)選用系數(shù)KA見表1。
表1 選用系數(shù)KA
| 
             原動(dòng)機(jī)  | 
            
             載荷性質(zhì) (工作機(jī)特性)  | 
            
             每日工作時(shí)間/h  | 
        ||||
| 
             ≤0.5  | 
            
             >0.5~1  | 
            
             >1~2  | 
            
             >2~10  | 
            
             >10  | 
        ||
| 
             KA  | 
        ||||||
| 
             電動(dòng)機(jī),汽輪機(jī)燃?xì)廨啓C(jī) (啟動(dòng)轉(zhuǎn)矩小,偶爾作用)  | 
            
             均勻  | 
            
             0.6  | 
            
             0.7  | 
            
             0.9  | 
            
             1  | 
            
             1.2  | 
        
| 
             輕度沖擊  | 
            
             0.8  | 
            
             0.9  | 
            
             1.0  | 
            
             1.2  | 
            
             1.3  | 
        |
| 
             中等沖擊  | 
            
             0.9  | 
            
             1.0  | 
            
             1.2  | 
            
             1.3  | 
            
             1.5  | 
        |
| 
             強(qiáng)烈沖擊  | 
            
             1.1  | 
            
             1.2  | 
            
             1.3  | 
            
             1.5  | 
            
             1.75  | 
        |
| 
             汽輪機(jī),燃?xì)廨啓C(jī),液動(dòng)機(jī) 或電動(dòng)機(jī)(啟動(dòng)轉(zhuǎn)矩大,經(jīng) 常作用)  | 
            
             均勻  | 
            
             0.7  | 
            
             0.8  | 
            
             1  | 
            
             1.1  | 
            
             1.3  | 
        
| 
             輕度沖擊  | 
            
             0.9  | 
            
             1  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
        |
| 
             中等沖擊  | 
            
             1  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
            
             1.6  | 
        |
| 
             強(qiáng)烈沖擊  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
            
             1.6  | 
            
             1.9  | 
        |
| 
             多缸內(nèi)燃機(jī)  | 
            
             均勻  | 
            
             0.8  | 
            
             0.9  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
        
| 
             輕度沖擊  | 
            
             1.0  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
            
             1.5  | 
        |
| 
             中等沖擊  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
            
             1.5  | 
            
             1.8  | 
        |
| 
             強(qiáng)烈沖擊  | 
            
             1.3  | 
            
             1.4  | 
            
             1.5  | 
            
             1.8  | 
            
             2  | 
        |
| 
             單缸內(nèi)燃機(jī)  | 
            
             均勻  | 
            
             0.9  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
            
             1.6  | 
        
| 
             輕度沖擊  | 
            
             1.1  | 
            
             1.3  | 
            
             1.4  | 
            
             1.6  | 
            
             1.8  | 
        |
| 
             中等沖擊  | 
            
             1.3  | 
            
             1.4  | 
            
             1.6  | 
            
             1.8  | 
            
             2  | 
        |
| 
             強(qiáng)烈沖擊  | 
            
             1.4  | 
            
             1.6  | 
            
             1.8  | 
            
             2  | 
            
             2.3或更大  | 
        |
| 
             每小時(shí)啟動(dòng)次數(shù)  | 
            
             ≤10  | 
            
             >10~60  | 
            
             >60~400  | 
        
| 
             啟動(dòng)頻率系數(shù)K1  | 
            
             1  | 
            
             1.1  | 
            
             1.2  | 
        
(3)小時(shí)負(fù)荷率系數(shù)K2見表3。
表3 小時(shí)負(fù)荷率系數(shù)K2
| 
             小時(shí)負(fù)荷率Jc/%  | 
            
             100  | 
            
             80  | 
            
             60  | 
            
             40  | 
            
             20  | 
        
| 
             小時(shí)負(fù)荷率系數(shù)K2  | 
            
             1  | 
            
             0.95  | 
            
             0.88  | 
            
             0.77  | 
            
             0.6  | 
        
注:1.Jc=1h內(nèi)負(fù)荷作用時(shí)間(min)/60×_。
2.Jc<20%時(shí)按Jc=20%計(jì)。
(4)冷卻方式系數(shù)K4見表4。
表4 冷卻方式系數(shù)K4
| 
             冷卻方式  | 
            
             減速器中心距a/mm  | 
            
             蝸桿轉(zhuǎn)速n1/r·min-1  | 
        |||
| 
             1500  | 
            
             1000  | 
            
             750  | 
            
             500  | 
        ||
| 
             冷卻方式系數(shù)K4  | 
        |||||
| 
             自然冷卻 (無風(fēng)扇)  | 
            
             80  | 
            
             1  | 
            
             1  | 
            
             1  | 
            
             1  | 
        
| 
             100~225  | 
            
             1.37  | 
            
             1.59  | 
            
             1.59  | 
            
             1.33  | 
        |
| 
             250~710  | 
            
             1.51  | 
            
             1.85  | 
            
             1.89  | 
            
             1.78  | 
        |
| 
             風(fēng)扇冷卻  | 
            
             80~710  | 
            
             1  | 
        |||
2.選用條件
選用減速器應(yīng)知:原動(dòng)機(jī)、工作機(jī)類型及載荷性質(zhì),每日平均運(yùn)轉(zhuǎn)時(shí)間,啟動(dòng)頻率和環(huán)境溫度。


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