025 Токарно-револьверная

3 переход

1. t=2 мм

2. S=0,5 мм/об                                                                              [1.стр 266, т.11]

3.                                                                           [1.стр 265]

    C_v=350, x=0,15, y=0,35, m=0,2                                                [1.стр 269, т.17]

    T=60 мин                                                                                   [1.стр 268]

         K_v=K_мv*K_пv*K_иv                                                                                                                [1.стр 268]

                                                                              [1.стр 261, т.1]

    K_r=1, n_v=1                                                                                  [1.стр 261, т.2]

    K_пv=0,8 K_иv=1                                                                          [1.стр 263, т.5,6]

    K_v=1,15*0,8*1=0,92

4. ;

      Принимаем n_д=1000 об/мин

5. ;

6. P_z=10C_pt^xS^yVⁿK_p                                                                                                                           [1.стр 271]

    С_p=300, x=1, y=0,75, n=-0,15                                                  [1.стр 273, т.22]

    K_p=K_мp*K_φp*K_γp*K_λp                                                                        [1.стр 271]

    , n=0,75;                                     [1.стр 264, т.9]

     K_φp=1,  K_γp=1,1,  K_λp=1                                                           [1.стр 275, т.23]   

     K_p=0,9*1*1,1*1=0,99

     P_z=10*300*2¹*0,5^0,75*157^-0,15*0,99=1675,08 Н

7.                                              [1.стр 271]

     N_шп=N_д*η; N_шп=13*0,8=10,4 кВт

     N≤ N_шп

     4,3≤10,4

Обработка  возможна

8.  ;

     L=y+l+Δ; L=2+86+0=88 мм

     y=t*ctgφ; y=2*ctg45=2 мм

     l=86 мм

     Δ=0 

T_общ=T₁+T₂; T_общ=0,05+0,18=0,23 мин