ТЕМА 2. МЕХАНИЧЕСКИЕ ПЕРЕДАЧИ. ЛЕКЦИЯ № 7. ЧЕРВЯЧНЫЕ ПЕРЕДАЧИ (ЧП) (ПРОДОЛЖЕНИЕ)

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  • 2. . 7. () (). , :

    1. . 2. .

    : . . .. - .: , 1980. . 130-136. .. . : / .. , .. , .. .- 5- ., . .- .: , 1999. . 206-230. .. ( . I ). - : , 1997. . 120-135.

  • . . , : , . . ( ) , ( ). (, - ), . ( ). , .

  • vs

    ,(7.1)

    vs , /; n1 , -1; T2 , . vs ( 7.1.)

    7.1.

    (

    (

    (

    , /

    /2 ()

    I

    1011

    195

    285

    (

    >5

    101

    165

    245

    (

    132

    215

    (

    II

    93

    200

    500

    (

    25

    195

    490

    (

    195

    395

    (

    III

    15

    (

    (

    320

  • ,(7.2) n2 , -1, Lh , ( 300 3008=2400 ). ( I) :

    ,(7.3)

    H0 , , 107. , . 7.1.ZN ,

    .(7.4)

    NH=N 25107, (7.4) 25107, ZN 0,67.CV , vs, vs 3 CV 1,11, vs 8 CV 0,8, 3

  • .(7.5)

    ( II) :

    .(7.6) ( III) :

    .(7.7)

    (7.3), (7.6) (7.7) [] /2 (), vS /, [] 45 HRC. - . .

  • . : 1) , , , 2) , . , , ( ). , KH = 1,11,4 ( , ),

    .(7.8)

    aw ( 2144-93; . 7.2), Ra40 ( 6636-69)

  • u ( ) z1 : u 14 z1 = 4; 14 u 30 z1 = 2; 30 u z1 = 1 z1 u

    ,(7.8)

    z2 . z1 z2

    ,(7.9)

    4%.

    .(7.10)

    q ( 7.3).

  • 7.3 m q ( 2144-93)

    : m q , .

    mqmq2,002,503,154,005,008,010,012,516,020,08,0010,0012,58,010,012,516,020,06,308,010,012,514,016,020,016,008,010,012,516,020,008,010,0

  • KH. KH = 1. z1 u

    ,(7.11)

    7.4 (7.11) aw ()

    ;(7.12)

    z1AB10,96622,572720,93902,522140,94191,6737

  • 2 ; []H . aw ( 2144-93), Ra40 ( 6636-69).

    .(7.13)

    m (. 7.3). m, aw, q z2

    .(7.14)

    x 1, aw, m, z2 q , , -1 x 1.

  • , ,

    .(7.15)

    m, q, z1 z2 . , , : ; , , . ( ) . . , .

  • .(7.27)

    vS KHv, Kf ( ). K. KH

    (7.28)

    ,(7.28)

    KH KHv, KH

  • ,(7.29)

    .(7.30)

    (7.30) , aw . 20%, . vS (/) f

    ,(7.31)

    A, B C 7.9.

  • 7.9. (7.31)

    ABC

    I ( )1,046,400,8429II ( )1,647,600,9534III ()

    7.9. (7.31)

    A

    B

    C

    I ( )

    1,04

    6,40

    0,8429

    II ( )

    1,64

    7,60

    0,9534

    III ()

  • . 0,98,

    .(7.32)

    (7.33)

    .(7.34)

  • : () ;(7.35) () ;(7.36) () ;(7.37) () ;(7.38) , , , . ,(7.39)

  • , YF2 (7.40) .(7.41) (7.41) , , . , , . 7090.

  • (7.42) Q , , Q , . ,(7.43) P1 , , A , (, ), K - , t t , . , . KT = 817 /2, ( -) - KT = 2028 /2, - KT = 70100 /2

  • . !

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