标准直齿跨测齿数与公法线长度
      
        
            
        	
				
            
            
              
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- 标准直齿跨测齿数与公法线长度标准直齿轮(m=1 α=20°)公法线长度和跨测齿数								
齿数	跨测齿数	公法线长度	模数					
z	K	Wk	m=2	m=3	m=4	m=5	m=6	m=7
4	2	4.48422 	8.96844 	13.45266 	17.93688 	22.42110 	26.90532 	31.38954 
5	2	4.49822 	8.99644 	13.49466 	17.99288 	22.49110 	26.98932 	31.48754 
6	2	4.51223 	9.02446 	13.53669 	18.04892 	22.56115 	27.07338 	31.58561 
7	2	4.52624 	9.05248 	13.57872 	18.10496 	22.63120 	27.15744 	31.68368 
8	2	4.54024 	9.08048 	13.62072 	18.16096 	22.70120 	27.24144 	31.78168 
9	2	4.55425 	9.10850 	13.66275 	18.21700 	22.77125 	27.32550 	31.87975 
10	2	4.56825 	9.13650 	13.70475 	18.27300 	22.84125 	27.40950 	31.97775 
11	2	4.58226 	9.16452 	13.74678 	18.32904 	22.91130 	27.49356 	32.07582 
12	2	4.59626 	9.19252 	13.78878 	18.38504 	22.98130 	27.57756 	32.17382 
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