-
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
