冲模设计资料--展开

r
Rd
A), Vo1.1=0.785*di *to Vo1.2=0.785*(do -di )*h Vo1.3=0.785*D *t (Vo1.3)=(Vo1.1)-(Vo1.2) D=1.128* Vo1.1 Vo1.2
to Vo1.1 Vo1.2
]/to
2002/10/10
Vo1.3 A 16
***
A
B
T
T
PUNCH
1.33 A+0.5K 1.34
A+0.5K-T L
8 ) L=A-T+B-T+4K =A+B-2T+4*0.4T =A+B-0.4T (K=0.4T) 1.33 90 1.34: 90 A+2K-T
1.35 B 1.36 A B+K
A+2K
1.37 A+2K 1.38
T
PUNCH
/2-2* *r =4.94*R*D=6.28*R
a
D/4+H
H
d *r*d=9.87*r*d d
*(D*S-2*H*R)*R
r
d *(d*S+2*h*r) s=0.017*r*a 2002/10/10 A 16 11
***
***
o
m
w
w
w
w
R
PD
H F -X C A N G E
PD
H F -X C A N G E
ti H8 h
1.0
2002/10/10
A
16
10
***
***
o
m
w
w
w
w
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O
y
bu
to
k
lic
C
m
C
lic
k
to
bu
y
N O
.c
W
!
w
.d o
c u-tr a c k
SB-B012
w
o
.d o
c u-tr a c k
.c
A
16
***
***
o
m
w
w
w
w
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O
y
bu
to
w
.d o
c u-tr a c k
.c
SB-B012
k
lic
C
m
C
lic
k
to
bu
y
N O
w
o
.d o
W
c u-tr a c k
.c
!
ABCD =EFGA H=3P R=EF 2.21 T*AB= H-EF *EF+A* EF /4 AB={H*EF+ /4-1 *EF }/T =D-2AB T 0.5 EF=100 % T 0.5<T<0.8 EF=70 % T T 0.8 EF=65% T 2.21
c u-tr a c k
.c
Hmax H=Hmax 45 4mm T=1.2 Hmax=4T T=0.8 T=0.7 0.6 Hmax=8T 4mm Hmax
.
45
135
2002/10/10
A
16
***
***
o
m
w
w
w
w
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O
R R
/4*D=0.785*D
*R*d=9.87*R*d
/4* D+d =0.785*(D+d)
*r*D=9.87*r*D
*r =6.28*r *d*h
*r*h=6.28*r*h *t* D+d /2
*r*H=6.28*r*H *R*D /2-2* *R=4.94*R*D=6.28*R D H
*r*d
(mm)
R/t y
2.0
2.2
2.4
2.6
2.8
3.0 0.5
3.2 0.5
0.44 0.46 0.48 0.49 0.5
4)
set back
L=1.5 +2R-t =R-y*t
a mm 0.1 0.2 0.3 0.4 0.5 0.8 1.0 1.2 1.5 2.0 2.5 3.0 4.0 5.0 6.0 8.0 10.0 0.3 0.13 0.1 0.07 0.04 0.0 -0.1 -0.2 -0.3 -0.4 -0.6 -0.9 -1.1 -1.5 -1.9 -2.3 -3.2 -4.0 0.4 0.18 0.15 0.12 0.09 0.05 -0.1 -0.1 -0.2 -0.4 -0.6 -0.8 -1.00 -1.4 -1.8 -2.3 -3.1 -4.0 0.5 0.22 0.2 0.18 0.15 0.12 0.0 -0.1 -0.2 -0.3 -0.5 -0.7 -0.9 -1.3 -1.8 -2.2 -3.0 -3.9 0.8 0.37 0.35 0.33 0.31 0.28 0.18 0.11 0.04 -0.1 -0.3 -0.5 -0.7 -1.1 -1.6 -2 -2.8 -3.7
……+ C C
2002/10/10
A
16
***
***
o
m
w
w
w
w
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O
y
bu
to
w
.d o
c u-tr a c k
.c
:
: SB-B012
k
lic
C
m
C
lic
k
to
bu
y
N O
w
o
.d o
W
c u-tr a c k
.c
!
L=A+B+a L:
***
o
m
w
w
w
w
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O
y
bu
to
k
lic
w
.d o
c u-tr a c k
.c
:
: SB-B012
C
m
C
lic
k
to
bu
y
N O
w
o
.d o
W
c u-tr a c k
.c
!
B)
Burring) : h=0.16*dm D=(dm -4*dm*h)1/2 ti=to(D/dm)1/2 p=1.1* *to(dm-D)* z z: (kg/mm ) dm: (mm)
90 °
a= (R+h)-0.86 R×r
2
0.14r
2
h
2
R 2002/10/10 A 16
***
***
o
m
w
w
w
w
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O
y
bu
to
k
lic
w
.d o
c u-tr a c k
.c
:
: SB-B012
C
m
C
lic
k
to
bu
1.24)
1.21 1.22
1.23
1.24 2002/10/10 A
1.25 16 12
***
***
o
m
w
w
w
w
C
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O
y
bu
to
k
w
.d o
c u-tr a c k
.c
SB-B012
lic
C
m
C
lic
k
to
bu
y
N O
y
bu
to
k
w
.d o
c u-tr a c k
.c
SB-B012
lic
C
m
C
lic
k
to
bu
y
N O
w
o
.d o
W
c u-tr a c k
.c
!
Rd 1.5T) (PA-P-PB) 1.5T D/2=[ r+T/3
Rd
+2
r+T/3
h+T/3 ]1/2
r
2(Rd 1.5T) (PA-P-PB) 1.5T L= h+T/3 +0.57*(Rd-2T/3)D/2+ { (r+T/3)+2(r+T/3)*(h+T/3)-0.86*(Rd-2T/3) *[(r+T/3)+0.16*(Rd-2T/3)1/2 }
PD
H F -X C A N G E
PD
H F -X C A N G E
!
W
N O