问题 问答题 简答题

什么叫配合?配合可分为哪几类?

答案

参考答案:

(1)基本尺寸相同的、相互结合的孔和轴公差带之间的关系称为配合。

(2)配合可分为3类:

①间隙配合:具有间隙(包括最小间隙等于零)的配合。此时,孔的公差带在轴的公差带之上。

②过盈配合:具有过盈(包括最小过盈等于零)的配合。此时,孔的公差带在轴的公差带之下。

③过渡配合:可能具有间隙或过盈配合。此时,孔的公差带与轴的公差带相互交叠。

完形填空
完形填空。
     One day a poor man was traveling on horseback. At noon, he tied his horse to a tree and then  1  to eat
something. A few minutes later, a rich man came along and tied his horse to the same tree.
    "Please tie your horse to another tree," said the poor man. "My horse is wild. It will kill yours.
    "  2  the rich man said,"I shall tie my horse as I like!" he tied up his horse and had his lunch nearby. After a
moment they heard a terrible  3 , the two horses were fighting. They went up to them, but it was too  4  . The
rich man's horse was killed. "See what you horse has done!" cried the rich man. "You will have to  5  it." And
he brought the poor man before Mr. Know.
     Mr. Know asked the poor man some questions. But he made no  6 . At last Mr. Know said, "This man is
dumb. He cannot speak."
     "Oh," the rich man shouted  7 . "He can! He spoke to me when I met him."
     "Are you sure?" asked Mr. Know. "What did he  8 ?"
     "He told me not to tie my horse to the same tree because his horse was wild and would kill my horse." 
     "Oh," said Mr. Know. "So he  9  you. Then can you expect to get money  10  him?"
      The rich man said nothing and left silently.
( )1. A. put down 
( )2. A. So    
( )3. A. song   
( )4. A. late   
( )5. A. pay for 
( )6. A. idea   
( )7. A. quietly 
( )8. A. speak  
( )9. A. helped  
( )10. A. for   
B. set down 
B. But   
B. word   
B. slow   
B. look for 
B. mistake 
B. angrily 
B. tell   
B. thanked 
B. from   
C. sat down 
C. And   
C. bell   
C. hard   
C. wait for 
C. money  
C. happily 
C. talk   
C. warned  
C. with   
D. turned down
D. Though    
D. noise     
D. quick     
D. care for  
D. answer    
D. heavily   
D. say       
D. ordered                                     
D. about     
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