四工位专用机床的刀具进给机构和工作台转位机构设计综述资料.

()
0
s
h1
2h1
01
( 01
)2
h1 v
a
v
4h1 2
01
( 01
)
v v s 60mm h1 01
()
s c0 c1 c2 2 c3 3 c4 4 c5 5
0
h1 v
ds v dv a d
dt
dt
dt
0: s 0 v 0 a 0 s 60 v v a 0
n-- n i i= i1.i2.i3 ......
i4 i5
1
4
2 3
0
240� ?
3600
0
10s
40s
60s
5
1
2
3
4
14 1#1
()
2# 1s,v,a
2-3# 2 2
6,
3
4 4
k td z 2 =1/4 t 2z
t------ () td-----
1
A
A
2
S
K=2
Vmm/s
N /
10
S / (mm) K (mm/s)
S
5
--- --- ---
---------
1 2------ 3------
1 2K ()
K=/
n / / 3n
Y28251440960720r/min
h
h
S
5
75+S
2400- 2100/02
h=s+0.5(5mm) +(5mm)
: n r/min 60s n�3600 1 s
n�60
V=h/t
t
0= t�n�60
h
0
h
0
h
S
5
75+S
2400- 2100/02
k 2 0 20 0 240 0
0 120 0
240 0 0 0 2
a
t j t td 10s
: N/
:
n
N 60
r
min
0 h
S
5
0
0 h
75+S
百度文库
h
2400- 2100/02
0
0 h
0
h
h
S
5
75+S
2400- 2010/02
v h [1 cos 2 ]
0
0
0
2
h=10mm
v v
v
h [1 cos 2
0
0
0 ]
2
2
h 0
0
0
0 h
0