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Extracted NBT 47003.1-2009

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Flat Head Designs by NBT 47003.1

Text of Extracted NBT 47003.1-2009

  • NB/T 47003.12009

    19

    5.7.3.3 5-9 5-9

    E4303 J422

    Q235AQ235B Q235C

    + 1020R E4315 J427

    H08A HJ401-H08A HJ431

    E4303 J422

    E4315 J427

    Q235-A20R +

    16Mn16MnR 15MnNbR E5015 J507

    H08A H08MnA

    HJ401-H08A HJ431

    E309-16 A302 E309-15 A307

    H1Cr24Ni13 HJ260

    Q235BQ235C20R +

    0Cr18Ni10Ti 0Cr18Ni9 E309Mo-16 A312

    E309-16 A302

    16Mn16MnR +

    0Cr18Ni10Ti 0Cr18Ni9 E309Mo-16 A312

    H1Cr24Ni13 HJ260

    6

    6.1 6.1.1

    iD mm cp MPa

    mm e mm

    MPa []t MPa

    6.1.2

    6.1.3 6.1.3.1 6-1

    c it2[ ]p D = 6-1

    6.1.3.2 6-2

  • NB/T 47003.12009

    20

    c it4[ ]p D = 6-2

    6.1.4 6.1.4.1 6-3

    c ie2

    p D = 6-3

    6.1.4.2 6-4

    c ie4

    p D = 6-4

    6.1.4.3 6-5 t[ ] 6-5 6.2 6.2.1

    GB 150 6.2 6.2.2

    GB 150 6.3 6.2.3

    5 6.3 6.3.1

    A mm2 A mm2 Ar mm2

    hiD mm hisD mm hoD mm hosD mm iD mm

    ih mm hL mm cp MPa

    [ ]p MPa Q N Q N

    hiR mm

  • NB/T 47003.12009

    21

    r mm 1T N/mm 1T N/mm 2T N/mm 2T N/mm 2sT

    N/mm 2sT N/mm cW mm cW mm hW mm hW mm

    e mm es mm es mm h mm he mm he mm hn mm n mm r mm

    []t MPa

    6.3.2

    6-l 6-3 GB 150 7.2 7.6 6.3.3

    a b c

    6-1

  • NB/T 47003.12009

    22

    6.3.3.1 2

    6.3.3.1.1 6-6

    c hih t2[ ]Kp D = 6-6

    K 6-16-7

    2

    hi

    i

    12

    6 2D

    Kh

    = +

    6-7

    K = 1 6-1 K

    hi i/ 2D h 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8

    K 1.46 1.37 1.29 1.21 1.14 1.07 1.00 0.93 0.87

    hi i/ 2D h 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 K 0.81 0.76 0.71 0.66 0.61 0.57 0.53 0.50

    K1 0.15%K1 0.30% 6.3.3.1.2 6-8

    t

    he

    hi

    2[ ][ ]p

    KD = 6-8

    6.3.3.1.3 GB 150 7.1.2.2 6.3.3.2

    0.9 r 10% 3 hn 6.3.3.2.1 6-9

    c hih t2[ ]Mp R = 6-9

    M 6-26-10

    hi1

    34

    RM

    r= +

    6-10

  • NB/T 47003.12009

    23

    6-2 M

    hi /R r 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00

    M 1.00 1.03 1.06 1.08 1.10 1.13 1.15 1.17 1.18

    hi /R r 3.25 3.50 4.00 4.50 5.00 5.50 6.00 6.50 7.00

    M 1.20 1.22 1.25 1.28 1.31 1.34 1.36 1.39 1.41

    hi /R r 7.50 8.00 8.50 9.00 9.50 10.00

    M 1.44 1.46 1.48 1.50 1.52 1.54

    M1.34 0.15%M1.34 0.30% 6.3.3.2.2 6-11

    t

    he

    hi

    2[ ][ ]p

    MR = 6-11

    6.3.3.2.3 GB 150 7.1.3.2 6.3.3.3

    6-2 6.3.3.3.1 6.3.5

    6-2

    6.3.3.3.2 6-12

    c ih t2[ ]p D = 6-12

    6.3.3.3.3 a b GB 150 6.2.2 c 6-12

    6.3.3.3.4

  • NB/T 47003.12009

    24

    6.3.4 60 6-3

    6-3

    6.3.4.1 6.3.5 6.3.4.2 6-13

    c hih t1

    2[ ] cosp D = 6-13

    6.3.4.3 GB 150 7.2.5.2 6.3.5 6.3.5.1 6-4

    R

    D

    Wc

    hihn

    his

    W '

    W '

    D

    h

    hW

    Wc

    c

    hiD

    2R

    R '2

    6-4

  • NB/T 47003.12009

    25

    6.3.5.2 6.3.5.2.1 6-146-15

    a 6-14

    2s hi c12

    T D p= 6-14 b 6-15

    2s his c12

    T D p = 6-15 6.3.5.2.2 6-16 1 2 hi c

    12

    T T R p= = 6-16 6.3.5.2.3 6-176-20

    a 6-176-18 c hi1 4cos

    p DT = 6-17

    c hi2 2 cosp D

    T = 6-18 b 6-196-20

    c his1 4cosp D

    T = 6-19

    c his2 2 cosp D

    T = 6-20

    1 2 2sT T T 1 2 2sT T T 6.3.5.3 6.3.5.3.1 6-216-22

    a 6-21 c hi es0.6 0.5W D = 6-21

    b 6-22 c his es0.6 0.5W D = 6-22 6.3.5.3.2 6-236-25

    a 6-23 h hi he0.6W R = 6-23

    b 6-24 h 2 he0.6W R = 6-24

    c 6-25

  • NB/T 47003.12009

    26

    h 2 he0.6W R = 6-25

    2R 2R 6-4mm 2R 2R 6-266-27

    hi2 2cosD

    R = 6-26

    his2 2cosD

    R = 6-27 6.3.5.4

    6-286-29 a 6-28

    2 h 2s c 2 hi1

    sin2

    Q T W T W T D = + 6-28 b 6-29

    2 h 2s c 2 his1

    sin2

    Q T W T W T D = + 6-29 6.3.5.5

    6-306-33 a Q0

    6-30

    tcr[ ]

    QA = 6-30

    b Q0 6-31

    tcr[ ]

    QA

    = 6-31

    c Q 0 6-32

    t[ ]Q

    A = 6-32

    d Q0 6-33

    t[ ]Q

    A = 6-33

    tcr[ ] 6-3 MPa

  • NB/T 47003.12009

    27

    6-3 tcr[ ] MPa t t100 100 t200 200 t250 250 t350

    tcr[ ] 103 100 95 80

    6.3.5.6 6-346-36 a 6-34

    rA c es h heA W W 6-34

    b 6-35 rA c es h heA W W 6-35

    c 6-36

    rA c es h he2A W W 6-36 6.3.5.7

    Q 06-346-366-37 h sinW hi0.0075D 6-37 6.3.5.8 6.3.5.8.1 6-346-356-36 6.3.5.8.2 6.3.5.8.3 16 r 6-5

    W

    W

    iD

    W

    D i

    6-5

  • NB/T 47003.12009

    28

    6.3.5.8.4 8 6.4 6.4.1

    a mm b mm

    cD 6-4 mm iD mm

    Kp 6-4 L mm LG 6-4 mm Lp mm

    cp MPa r mm 6.6a Wp Zp Zp=3.42.4a/b Zp2.5 ZS mm3 ZX 6-4mm3 mm 1 mm

    e mm p mm

    t[ ] 5 MPa

    6.4.2

    6.4.3 6-4

    6.4.3.1 6-4 1 2 6-5 6.4.3.2 6-4 317 6-38 p cp c t[ ]

    K pD = 6-38

    6-4 316 6-39

    p p cp t[ ]

    K Z pa = 6-39

  • NB/T 47003.12009

    29

    6-4 17 6-40

    p cp t[ ]

    K pa = 6-40

    Kp 6-4 6.4.3.3 6-4 17 Kp 6-386-40 t[ ] 6.4.4

    a b 16 c 6-4 1014 d ZS 6-4 ZX

    10p e

    1/2 6-4

    Kp

    ZXmm3

    1

    L

    D

    pc0.002MPa

    t200 Di2 200mm

    6-5

    2

    L

    D

    pc0.002MPa

    t200 Di2 200mm

    4

    220mm

    6-5

  • NB/T 47003.12009

    30

    6-4 Kp

    ZXmm3

    3

    0.03 3

    c ct

    0.01[ ]

    p D

    pc0.07MPa

    D1=Dc/3

    4

    0.03 3

    c ct

    0.01[ ]

    p D

    pc0.07MPa

    D1=Dc/3

    5 0.44 e/

    0.20.44

    6

    0.44 e/ 0.2

    0.44

    7

    0.2

  • NB/T 47003.12009

    31

    6-4 Kp

    ZXmm3

    8

    D

    0.03 3

    c ct

    0.01[ ]

    p D

    D1=Dc / 3

    9 0.44 e/

    0.20.44

    10

    0.132 3

    c ct

    0.05[ ]

    p D

    11

    0.3Dc

    0.08 3

    c ct

    0.041[ ]

    p D

  • NB/T 47003.12009

    32

    6-4 Kp

    ZXmm

    12

    0.4Dc

    0.4D

    c

    0.032 3

    c ct

    0.019[ ]

    p D

    13

    Dc Dc

    Dc

    Dc

    0.018 3

    c ct

    0.018[ ]

    p D

    14

    Dc

    Dc

    Dc

    Dc

    DcDc

    0.012 3

    c ct

    0.014[ ]

    p D

  • NB/T 47003.12009

    33

    6-4 Kp

    ZXmm

    15

    D

    0.03 3

    c ct

    0.01[ ]

    p D

    D1=Dc/3

    16 0.25 0.25

    17

    G

    3c c

    1.780.3 WLp D

    +

    G3

    c c

    1.78WLp D

    G

    P 2c P

    60.3 WLZp L a

    +

    G

    2c P

    6WLp L a

  • NB/T 47003.12009

    34

    6-5

    mm mm

    mm 1

    2

    mm

    Lmm 1

    2

    mm

    Lmm

    600 4 6 3 4 700~1 100 5 6 3 4

    1 200 5 6 4 4 1 400 6 6 4 4

    1 600~1 800 5 5 50505 600 4 4 50505 600

    2 000 5 5 63636 700 4 4 63636 700

    2 200 6 6 63636 750 5 5 63636 750

    1.5mm

    6.5 6.5.1

    A mm2 B mm C C=C1+C2mm C1 mm C2 mm

    iD mm oD mm

    d 2 d = di+2C2+C1mm

    h1 mm h2 mm

    cp MPa Ri mm mm

    e e n C = mm et et nt C = mm n mm nt mm p mm t mm

    t[ ] 5 MPa

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