Selection criteria
232
5.
S
E
LECT
ING CRI
T
ERIA
Asyn
ch
ronou
s
sp
indl
e mo
to
r an
d se
rvo
d
rive selectio
n
212
DDS
HARDWARE
Ref.1310
For lathe work, a cutting blade forces against the part to be machined,
while this is turning. See figure
.
The power required,
Pc
is calculated as follows:
In the case of a milling machine, the cutter is mounted on the spindle it-
self and turns with this to cut the material. See figure
The power required,
Pf
is calculated as follows:
F. H5/3
Machining for lathe. Cutting power.
V
Cutting speed in m/min
K
s
Relative cutting resistance in N/mm²
d
Cutting depth in mm
L
Length of the blade, or feedrate per full turn in mm
D
Diameter of the part machined in mm
N
s
Spindle turning speed in rpm
c
Mechanical efficiency (varies from 0.7 to 0.85)
S
c
Cutting efficiency. Cutting volume per kilowatt every minute
in (cm³/kW)/min
F. H5/4
Machining for mill. Cutting power.
K
s
Relative cutting resistance in N/mm²
d
Cutting depth in mm
W
Cutting width in mm
f
Feedrate in mm/min
N
s
Spindle turning speed in rpm
f
Mechanical efficiency (varies from 0.7 to 0.8)
S
f
Cutting efficiency. Cutting volume per kilowatt every minute
(cm³/kW)/min
L
d
D
V =
·d·N
s
1000
(m/min)
P
c
=
K
s
·d·L·v
60·1000·
c
=
d·L·v
S
c
·
c
(kW)
f
f
P
f
=
K
s
·d·W·f
60·1000²·
f
=
d·W·f
1000²·S
f
·
f
(kW)
Содержание DDS
Страница 1: ...DRIVE DDS Hardware manual Ref 1310...
Страница 6: ...I 6 DDS HARDWARE Ref 1310...
Страница 9: ......
Страница 10: ......
Страница 11: ......
Страница 12: ......
Страница 16: ...16 Ref 1310 DDS HARDWARE...
Страница 30: ...1 DESCRIPTION 30 Description DDS HARDWARE Ref 1310...
Страница 94: ...2 POWER SUPPLIES 94 Power supplies DDS HARDWARE Ref 1310...
Страница 188: ...3 DRIVE MODULES 188 Drive modules DDS HARDWARE Ref 1310...
Страница 204: ...4 AUXILIARY MODULES 204 Auxiliary modules DDS HARDWARE Ref 1310...
Страница 232: ...SELECTING CRITERIA 5 232 Selection criteria DDS HARDWARE Ref 1310...
Страница 266: ...7 CABLES 266 Cables DDS HARDWARE Ref 1310...
Страница 312: ...8 INSTALLATION 312 Installation DDS HARDWARE Ref 1310...
Страница 326: ...9 FUNCTIONAL SAFETY 326 Functional safety DDS HARDWARE Ref 1310...
Страница 354: ...10 CONNECTION DIAGRAMS 354 Connection diagrams DDS HARDWARE Ref 1310...
Страница 378: ...12 SALES REFERENCES 378 Sales references DDS HARDWARE Ref 1310...
Страница 384: ...13 COMPATIBILITY 384 Compatibility DDS HARDWARE Ref 1310...
Страница 385: ......