Transcript
  • 3.2. 1

    3.1.

    3.1.1. , . , (), (), , . : 1. (. 31.1,) 2. () (. 31.1,) 3. (. 31.1,) 4. (. 31.1,) 5. (. 31.1,) 6. (. 31.1,) 7. (. 31.2,) 8. (. 31.2,) 9. (. 31.2,) 10. (. 31.3,) 11. (. 31.3,) 12. (. 31.3,) 13. (. 31.3,) :

    - (. 31.1),

    - (. 31.2),

    (. 31.3).

  • 2 3.

    , , . , , .

    . 31.1. : ) , ) , )

    , ) , )

    .

  • 3.2. 3

    . 31.2.

    ) , ) , )

    . 31.3. ; )

    ) , ) , ) .

    , , , ( ). , . .

  • 4 3.

    3.1.2. . , (. 31.4) . - . . . (. 31.4), . . ( ) ( ). , , , . d p z :

    = =O p z d (31.1) :

    = =pd z m z

    (31.2)

    (31.2) m . , . 31-1 m SRPS .C1.015. . I . II . - . . . . , . , . , . . . , .

  • 3.2. 5

    . .

    . 31.4. :

    b - ; d - ; df - ; d - ; h - ; h - ; hf - ; s - ; e - ; p - ; - . . , . . , . (. 31.5)

    1 1 2 2= =w wv r r

  • 6 3.

    . 31.5.

    :

    2 21 1

    2 2 1 1

    = = = =w ww w

    d rnin d r

    (31.3)

    1, 2 - , n1, n2 - , dw1, dw2 (rw1, rw2) - () .

    1 1 1w wd z p 2 2 2w wd z p pw1 = pw2 = pw,

    21 2

    2 1 1

    = = =ww

    dn zin d z

    (31.4)

    (31.4) m

    2 2 2

    1 1 1

    = = =z m z diz m z d

    (31.5)

    :

    22 2 1

    1 1 1 2

    = = = =ww

    dz d nuz d d n

    (31.6)

  • 3.2. 7

    , i , u u 1. , u = i. u = 1/i i 1. . . . .

    3.1.3. () . u=1/2 . . 12 C (. 31.6). , . . 31.6. . b1 1, b2 2. B tB nB. B . nB C w. B nB 1 1 1= TO T r 2 2 2= TO T r rB1 rB2 1 2. :

    1 1 1=T Br r cos

    2 2 2=T Br r cos B 1 vB1 = rB11, 2 vB2 = rB22, 1 2 1 2. :

    1 1 1 1 1 1= =Bn B Bv v cos r cos

    2 2 2 2 2 2= =Bn B Bv v cos r cos

  • 8 3.

    . 31.6.

    vBn1 vBn2 . vBn1 > vBn2 b1 1 b2 2, . vBn1 < vBn2 b1 b2, , 1 . vBn1 = vBn2 :

  • 3.2. 9

    1 1 1 2 2 2=B Br cos r cos

    1 2 2 2

    2 1 1 1

    = =B TB T

    r cos rr cos r

    11C 22C

    22

    1 1

    = wTT w

    rrr r

    :

    1 1 2 2= =w w Cr r v (31.7) (31.7) C , rw1 rw2 . (31.7) , . C . :

    1 1 1 1 1 1 1 1 1 1

    1 1 1 11 1

    2 2 2 1 2 2 2 2 2 2

    2 2 2 22

    Bt B B

    w w w w c ww w

    Bt B B

    w w w w c ww

    v v sin r sin T B T C CB

    CB CBr sin CB r sin v sinr r

    v v sin r sin T B T C CB

    CBr sin CB r sin v sinr

    2w

    CBr

    :

    1 21 2 1

    1= = = 1Ckl Bt Bt Cw w w

    v CBCB CBv v v vr r r u

    (31.8)

    (31.8) CB B vC, rw1 rw2. C 0CB , . . . . 31.6.

  • 10 3.

    2 =wr , rw2 < 0, . :

    1 2 2 11 2

    1 1 2 2

    = = ; = =kl t t kl t tt t t t

    v v v v v vv v v v

    (31.9)

    . .

    3.1.4. , . 31.7 (Reuleaux) .

    . 31.7.

    1 2O O C, 1 B1 tB nB. nB 1 B'1. 1 1

  • 3.2. 11

    1B' C , B'1 C. B1 1, 1 1B' B C B. B B1 1 B2 2, C. 1 1B' C , , 2 1 2B' C B' C 2. B2 2 2. 1 1B' B CB B'2 B2 2.

    . 31.8. B11

    2B2

  • 12 3.

    2, D2, 2 F2, 2. , B, C, D, F, . . . . . . . . . . 31.8 , 2, 1. . 1 B11 (. 31.8). B1 , 1 . 2 2B2. 1 2 2 B1 , B2 1 B2 . , , . (), (B11 2B2). . , .

    3.1.5. , .

  • 3.2. 13

    , . - . . .

    . 31.9.

    , . . , . (. 31.9), ( ).

  • 14 3.

    3.2.

    3.2.1.

    3.2.1.1. 3.1.5. 1 1 1 - k1, 2 2 2 - k2 (. 32.1). k1 k2 . 1 2 . 1 2 , 1 2TT , 2 1 . 1 1 , . AE . C.

    3.2.1.2. db1 db2 rb1 rb2 (. 32.1) k1 k2 k'1 k'2 . .

  • 3.2. 15

    . 32.1. ;

    , . hwP = 2m (. 32.2). hw = 2h0 (. 32.3). hP = hfP+haP (. 32.2) .

  • 16 3.

    (. 32.2). :

    . 32.2. DIN 867

    .

    p = m, m = p/.

    S - S . sP = P = p/2.

    P = 20, 2P = 40.

    : hP = m hfP = m + cP hP = hP + hfP = 2m + cP

    cP = (0,1....0,3)m ( 0,4m).

    hwP = 2m.

    ( . 32.3.) 0 = cP /(1 - sin 0 ).

    ISO DIN h0 0 P ( 32-1 32-2). .

  • 3.2. 17

    .

    .32.3. .32.2.

    3.2.1.3. . (. 32.4) :

    =PT BT

    ( ) =b i i b ir r tan

    =i i itan (32.1) i (32.1) i inv i ( i). 32-3. . i. . 32.4 :

    = =b bii i

    r dcosr d

    0 0 0=a a psin c

    0 0= /(1 )a pc sin

    . 32.4.

  • 18 3.

    d :

    = bdcosd

    :

    =bd d cos (32.2)

    2 2= = = =i i b b i i iBT r r r tan r sin (32.3)

    .

    3.2.1.4. . , . , pb. pi (. 32.5) pb, p ( )

    2 2= = = =b i ie b i ir r cosp p p cosz z

    (32.4)

    :

    = bppcos

    (32.5)

    . 32.5.

  • 3.2. 19

    3.2.1.5. . . , . . . . w. . 32.6. C r1 r2.

    1 2=da r r (32.6) .

    . 32.6. ; ) C

    ) C . 32.6. a. C ( ) rw1 rw2.

  • 20 3.

    , w. , . 11C 22C . 32.6. :

    1 2

    1 2

    =b b

    r rr r

    1 21 2

    =w wb b

    r rr r

    2 22

    1 1 1

    = = =b wb w

    r rr ir r r

    (32.7)

    (32.7) 1 2O O . (. 32.6,) :

    1 2 1 21 2= = =b bw w

    w w w

    r r r cos r cosa r rcos cos cos

    (32.8)

    1 2=2 w

    z z cosa mcos

    (32.9)

    (32.9) . . (32.7) (32.8) :

    1 21= ; =

    1 1w wir a r a

    i i

    (32.10)

    3.2.1.6. P-P (. 32.7). , . p. S-S (. 32.7) . P-P S-S. . x m, xm.

  • 3.2. 21

    (. 32.7,), (. 32.7,).

    . 32.7.

    (S-S - ; P-P - ) . , . . . , () z = , .

  • 22 3.

    . , . . . (. 32.8) . .

    . 32.8. ,

    ) , ) , )

    3.2.1.7. P-P (. 32.9):

    = 2 22 2ps x m tan m x tan

    (32.11)

    . . . (. 32.10):

    = =2 2

    ii

    i

    ssinv invr r

  • 3.2. 23

    . 32.9.

    :

    . 32.10

  • 24 3.

    =i i iss d inv invd

    (32.12)

    di = db i = 0 (32.12)

    =b bss d invd

    (32.13)

    di

    = =ii i idp s e

    z

    =i i ie p s (32.14)

    di = d i = a (32.12)

    =a a ass d inv invd

    (32.15)

    a . 32.4 : = /a b acos r r .

    3.2.1.8. . . (. 32.11),

    sw1 = w2 ; sw2 = w1

    pw = sw1 + w1 = w2 + sw2 = sw1 + sw2 (32.16) (32.16) . (32.11) (32.12) i = w :

    11 1 11

    = 22

    ww w

    ds x tg z inv invz

    22 2 22

    = 22

    ww w

    ds x tg z inv invz

  • 3.2. 25

    . 32.11.

    1

    1

    = wwdp

    z

    (32.16)

    1 2

    1 2

    = 2wx xinv tan invz z

    (32.17)

    (32.17) . x1 x2 :

    (x1 = x2 = 0), V- (x1 + x2 = 0), V- (x1 + x2 0).

  • 26 3.

    . 32.12. V- p ;

    ) ; )

    . 32.13. V- ; ) ; )

    3.2.1.9. V- , .

  • 3.2. 27

    P (. 32.13,). ( ) (. 32.12). ( ) . . P (. 32.13,). . . :

    1 2 1 2= =Pk m a a r r m x x a (32.18) k - . .

    3.2.1.10. . (31.2) :

    1 1 2 2= ; =d m z d m z (32.19) (32.2) :

    1 1 2 2= =b bd d cos ; d d cos (32.20) 32.6 :

    b w wr r cos r cos :

    1 1 2 2= ; =w ww w

    cos cosd d d dcos cos

    (32.21)

    . 32.13, : r1 = r1 + m(1 + x1); r2 = r2 + m(1 + x2)

    (. 32.13,) :

    1 1 1 2 2 21 1a ar r m x k m; r r m x k m km (32.18) :

    1 2 2 2 1 12 2a ad a m m x d ; d a m m x d (32.22) c (. 32.13,):

  • 28 3.

    1 2 2 1f a f aa r c r r c r

    :

    1 2 2 12 2 2 2a f a fd a d c; d a d c (32.23)

    :

    1 1 1 2 2 22 2 2 2f fP f fPd d mx h ; d d mx h (32.24)

    d0 0 :

    1 01 01 2 02 022 2f a f ad a d ; d a d (32.25)

    h (. 31.2) h hf ,

    h = h + hf hw h1 h2 , .:

    1 21 2= = 2

    a aw a a

    d dh h h a

    h (h = m), hf hf = (1,1 ...1,3)m. :

    1 2 2 11 1 2 2= = = =2 2

    a f a fw w

    d d d dc h h a ; c h h a

    (32.26)

    3.2.1.11. . 2 1 (. 32.1). 1 ( 1), 1. 1 . 1 (. 32.14). , . , 1 2TT .

  • 3.2. 29

    . 32.14.

    . . . , , .

    . 32.15.

  • 30 3.

    (. 32.15). . . . 32.16 . TDC :

    = =DC m x mTCsin sin

    OTC TC

    = =2

    m zTC r sin sin

    :

    21 =2

    m zm x sin (32.27)

    22= = 1Gz z x sin

    = 20 zG = 17,1(1 - x)

    . 32.16.

  • 3.2. 31

    x= 0 zG = 17,1. :

    17= =17

    G

    G

    z z zxz (32.28)

    :

    14=17

    zx (32.29)

    " ". ( ) " " . s 0,2m, , s 0,4m . - . 32.29.

    3.2.1.12. AE . , p . D (. 32.17,). B. B D . B , . p, D . B D , . () (. 32.17,) B , D . () . B , D .

    . 32.17.

  • 32 3.

    . 32.14.

    . 32.18. l A' E'

    3.2.1.13.

    , . l pw l > pw. :

    = 1w

    lp

    l E'A' (. 32.18) :

    =

    ' '

    b w

    E A lr r

  • 3.2. 33

    , E'A' EA = g, (. 32.6,) :

    = =wb w

    r gl gr cos

    (32.30)

    (32.4)

    e b w wp p p cos m cos :

    = = = =w w w e

    g g glp p cos p m cos

    (32.31)

    (32.31) g p. (g) (gf) 1 :

    1 21 2= = =

    fa

    e e e e

    gg g gp p p p

    (32.32)

    . 32.19 g = 1 1T E T C 2 2

    1 1 1 1= =a a b b wg g r r r tan (32.33)

    :

    2

    11 1

    1

    1= = 12

    aa b w

    b

    dg g d tand

    (32.34)

    2

    22 2

    2

    1= = 12

    af b w

    b

    dg g d tand

    (32.35)

    (32.34) (32.35) (32.32) :

    2 2

    1 21

    1 2

    = 1 1 12

    a aw

    b b

    d dz u u tand d

    (32.36)

    32.1.

  • 34 3.

    3.2.2.

    3.2.2.1. , . . 31.9 32.1. .

    . , . , , . . b (. 32.20). . , , . , () . . .

    3.2.2.2. . 32.21

    . 32.20.

  • 3.2. 35

    . 32.21. :

    ) 1 ; ) 2

    . . 1 (. 32.21,) , 2 (. 32.21,) -. 1 2, . . : - - - . (. 32.2). t. n. . . 32.21, :

  • 36 3.

    = = =n n nt t t

    p m m cosp m m

    (32.37)

    mn mt . mn 31-1. (32.37)

    =wn wwt

    p cosp

    (32.38)

    . 32.22 . , , . :

    = =n tCB ABtan ; tanBD BD

    :

    = =nt

    tan CB costan AB

    = nttantancos

    32.39)

    (32.39)

    = wnwtw

    tantancos

    (32.40)

    (. 32.20).

    . 32.22.

  • 3.2. 37

    di,

    , . pz, . . b, w. 32.23 :

    = = = =i b wzi b w

    d d ddptan tan tan tan

    = = ; = =b b b bt wtw w

    tan d tan dcos costan d tan d

    = ; = =b tb t wwt wt

    tan costan tan cos tan tancos cos

    (32.41)

    . . . . , . . . .

    . 32.23.

  • 38 3.

    . , (. 32.24). , , . , .

    . 32.24. . . (. 32.24). . . . 32.25 . (. 32.25) =en et bp p cos :

    1 2 1 22 2= =

    n nn

    en en et b et b

    g g g gp p p cos p cos

    (32.31) :

    1 22 2 2= =n

    b b bcos cos cos

    (32.42)

  • 3.2. 39

    (32.42) .

    . 32.25.

    . 32.26.

    , . b , . (. 32.25), .

  • 40 3.

    , . (. 32.26) :

    = bg b tan

    :

    = = =t t n

    g b tan b sinp m m

    (32.43)

    :

    = (32.44)

    . .

    3.2.2.3. (N-N) , d (. 32.27). . , C.

    :

    = bbnb

    ddcos cos

    (32.45)

    2=nb

    ddcos

    (32.46)

    2 3=nb b

    z zzcos cos cos

    (32.47)

    . 32.27.

  • 3.2. 41

    32.1. (: n- ; t- ; t n t= t = ; : - , - ; : - +, -, , - ; , z2 )

    .

    1 - p, hP, hfP, c JUS .C1.016

    2 =d cost /coswt=mn(z1+z2)cos t /(2cos coswt)

    2 d=(d1+d2)/2=mt (z1+z2)/2=mn (z1+z2)/(2cos )

    3 tan t =t n /cos cos t =db /d tan n = t cos

    n=P

    4 cos wt=db/dw=mt (z1+z2) cos t /(2)=d cos t / inv wt = inv t + 2 (x1+x2) tan n /(z1+z2)

    5 x1+x2 = (inv wt - inv t)(z1+z2)/(2tan n)

    6 sin b = sin cos n ; tan b = tan cos t cos b = cos cos n /cos t = sin n / sin t

    7 mt=mn /cos mn mn - JUS .C1.015 8 z zn=z/cos2bcos) z/cos3

    9 d=z mt = z mn /cos dn=d/cos2

    dn=

    10 db=d cos t dbn=dn cos n

    11

    dw1 = 2z1 / (z1+z2)=2/(u+1)=d1 cos t /cos wt dw2=udw1

    u=z2/z1

    12 d1=2 - df2 2c=d1 + 2h1 d1 + 2mn(1+x1) d2=2 - df1 2c=d2 + 2h2 d2 + 2mn(1+x2)

    ; c=(0.1-0.3)mn , h-

    13

    df1=d1-2hf1=d1+2x1mn-2hfP df2=d2-2hf2=d2+2x2mn-2hfP

    hf- hfP=kPmn

    (kP=1.2;1.25;1.3;1.4..)

    14 pt = mt = mn /cos pn= mn = pt cos

    15 =

    pt = pbt = pt cos t pn= pbn= pn cos n =

    = pbt cos b

    16 st= mt ( /2+2xtg n)+s sn= st cos s -

    17

    211 1 1

    22

    2 2 2

    12

    12

    a b wt

    a b wt

    z d / d tan

    zd / d tan

    18 =1+2=

    2 211 1 1 2 21 1 12 a b a b wtz d / d u d / d tan u

    19 = b tan /pt= b sin /(mn )

    20 g = +

  • 42 3.

    , . 32.1. ( 3.2.1.11), zn. 3.2.4.

    3.2.2.4. :

    . . ( ).

    . b (. 32.24).

    , . , . . .

    ( ) . .

    . . .

    zG ( 32.39) .

    3.2.3. .

  • 3.2. 43

    z2 = . z2 - . z2, d2 a , . () (. 32.28). . , . :

    , , .

    , .

    .

    .

    , . .

    : .

    .

    .

    .

    , . . z2 ( 32.1). , . :

    df2 = 20 - d0 (32.48) : 0 - ,

  • 44 3.

    d0 - .

    . 32.28.

    ( ) . . . , ( 3.2.4).

    3.2.4. 3.2.1.11. . , . . .

    3.2.4.1. , . 32.29, .

    1 5. 1,

  • 3.2. 45

    (32.49)

    5. 0,2mn. (32.15). 1 , 5 .

    . 32.29. . : 1 - ; 2 - ; 3,4 - ; 5 - .

    3 4. . :

    ( 3) d db + 2mn ( 4) a bd d

    ( 3), ( 4).

    2. 1 (. 32.14). P.

  • 46 3.

    . (. 32.14) (32.27) (. 32.16) :

    2 2

    0 = =2 2t n t

    Na

    d sin m z sinh x mcos

    :

    0 002 2

    1= 2 = 2 a a n nNa nG

    n t n t

    h sin x mh x mz cos cosm sin m sin

    (32.50)

    , ( ) . ( 2) hN0 = mn :

    2 2

    = 1 = 12 2

    t n tz sin z sinxcos

    (32.51)

    zn (32.47).

    3.2.4.2. . . P rNf1(0) rNf2(0) ( "0" ). P . P , . (. 32.17,) , rNf1(2) rNf2(1). :

    1 2 1 0Nf ( ) Nf ( )r r 2 1 2 0Nf ( ) Nf ( )r r (32.52)

    (32.52) . P . h0 = 1,25m .

  • 3.2. 47

    . 32.30.

    (32.52). . (. 32.30). rNf1(2):

    2

    2 2 21(2) 1 2 2=Nf b a b wtr r r r a sin (32.53)

    P rNf1(0) :

    2

    2 01(0) 1 1= Na nNf b t

    t

    h x mr r r sinsin

    (32.54)

    :

    2

    2 2 21(0) 1 0 0 0 0=Nf b wt Na br r a sin r r (32.55)

    (. 32.31).

  • 48 3.

    rNf2(1), :

    2

    2 2 22(1) 2 1 1=Nf b a b wtr r r r a sin (32.56)

    P rNf2(0) :

    2

    2 2 22(0) 2 0 0 0 0=Nf b wt Na br r a sin r r (32.57)

    . 32.31.

    (32.53) (32.56), ( 3.2.3), rb2 . (32.52). , . . (.32.32). . .

  • 3.2. 49

    10 .

    3.2.5.

    , , . , . . , , . . JUS .C1.030...036 ISO 1328-1975. JUS ISO- . DIN 3960...70, ISO . . 12 1 , 12 . , , , , , DIN, 32-5...32-11.

    . 32.32.

  • 50 3.

    3.2.5.1. ( , ), ( , ), ( , , ) . (s < e)

    jt=e-s .

    . 32.33. (t ) (n)

    t n (. 32.33). :

    n t nj j cos cos (32.58)

  • 3.2. 51

    , As Asn (. 32.34). t

    1 22= a n sn sntA tan A A

    jcos

    (32.59)

    (32.58). (snd) (ag), (sng) (ad). , . , .

    . 32.34.

  • 52 3.

    :

    m mm 0,8...1,75 2...3 3,25...5 6...10 12...25 t m 50...100 80...130 100...230 180...400 250...1000

    3.2.5.2.

    . (. 32.35) . s . . - . W (. 32.36,) sb (zw-1) :

    1w e bW z p s (32.60)

    . 32.36. () () .

    (32.4) (32.13) (32.11) :

    . 32.35.

  • 3.2. 53

    = 0.5 2wW m cos z z inv x m sin (32.61) :

    = 0.5 2n n w t n nW m cos z z inv x m sin (32.62) x ( x ) z (zn) zw 32-4. (. 32.36,):

    b > Wsinb (32.63) zw2

  • 54 3.


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