Расчет и конструирование станков. Применение ЭВМ в курсовых и дипломных. Поляков А.Н - 13 стр.

      Таблица 3

Тип
ремн                                                  Расчетная формула
  я
  1                                                            2
                     
      N 0 = 0,1 + 0,241 ⋅ 
                               0,1 ⋅ L 
                                             0 , 09
                                               − 0,0151 ⋅
                                                              (10 ⋅ R )
                                                                        1,15
                                                                             −    ⋅      −5
                                                                                            ⋅   2
                                                                                                               −3
                                                                   0.65
                                                                                5   10        V    ⋅ 5,21 ⋅ 10 ⋅
                             V                              d1                                
 0             1, 45
         2 V
      ⋅ R ⋅ 0, 2
             d1
Продолжение таблицы 3
 1                                                      2
                        0,14 
                                 0 , 09
                                                   (10 ⋅ R )1, 3             −5      2
                                                                                                      −3     2
      N 0 = 0,244 ⋅                  − 0,0151 ⋅                −  9 ⋅ 10     ⋅ V     ⋅ 6,02 ⋅ 10 ⋅ R ⋅ V
 А                     V                         d1
                                                         0 , 8
                                                                                       

                         0,1 ⋅ L 
                                     0 , 09
                                                       (10 ⋅ R )1,15          −5     2
                                                                                                   −3  2
          N 0 = 0,244 ⋅                  − 0,0151 ⋅       0 , 65
                                                                     − 9 ⋅ 10    ⋅ V    ⋅ 5,58 ⋅ 10 ⋅ R ⋅
                        V                            d1                            
  Б
         ⋅ V 1,17

                         0,1 ⋅ L 
                                     0 , 09
                                                       (10 ⋅ R )1,15               
          N 0 = 0,244 ⋅                  − 0,0151 ⋅       0 , 65
                                                                     − 9 ⋅ 10 ⋅ V  ⋅ 5,58 ⋅ 10 − 3 ⋅ R 2 ⋅
                                                                             −5  2

                        V                            d1                        
  В
         ⋅ V 1,17

                         0,1 ⋅ L 
                                     0 , 09
                                                       (10 ⋅ R )1,15          −5     2
                                                                                                   −3  2
          N 0 = 0,244 ⋅                  − 0,0151 ⋅       0 , 65
                                                                     − 9 ⋅ 10    ⋅ V    ⋅ 5,78 ⋅ 10 ⋅ R ⋅
                        V                            d1                            
  Г
         ⋅ V 1,17


      Тяговое усилие передачи, К определяется по формуле

   558,6 ⋅ A / .
P=
       V

      Усилие на вал от одного ремня, Н,

                    α
G = 2 ⋅ S ⋅ sin⋅      ,
                    2