11-5
MHT260a (Engl.)
(d) Torque determination
Ball-screw
W
GL
N
V
BP
T
L
W F
BP
GL
=
+
×
×
(
)
.
µ
πη
9 81
2
10
3
・
T
L
at load lifting :
T
L
W W
BP
GL
=
+
×
×
((
)
)
.
µ
πη
1
9 81
2
10
1
2
3
−
・
T
L
at lowering :
T
L
W W
BP
GL
=
×
×
((
)
)
.
µ
πη
−
−
1
9 81
2
10
1
2
3
・
T
L
at stop (servo lock) :
T
L
W W
BP
GL
=
×
×
(
)
.
1
2
3
9 81
2
10
−
πη
Rack and pinion, conveyor
W
GL
V
N
D
T
L
W F
D
GL
=
+
×
×
×
(
)
.
µ
η
9 81
2
1
10
3
・
T
L
at load lifting :
T
L
W
W
D
GL
=
+
−
×
×
×
((
)
)
.
µ
η
1
9 81
2
1
10
1
2
3
・
T
L
at lowering :
T
L
W
W
D
GL
=
−
−
×
×
×
((
)
)
.
µ
η
1
9 81
2
1
10
1
2
3
・
T
L
at stop (servo lock) :
T
L
W
W
D
GL
=
−
×
×
×
(
)
.
1
2
3
9 81
2
1
10
η
Where
BP : Screw-pitch
D : Pulley, pinion or roll diameter
F : Thrust (axial) force (opposes feed on is + direction)
GL : Reduction speed ratio
J : Moment of inertia, total
J
L
: Ditto, load parts
J
M
: Ditto, motor rotor
where,
J
L
= J
M
x 100 : Load of low moving velocity
J
L
= J
M
x 50 : Load of positioning
J
L
= J
M
x 10 : Load of high frequent positioning
L : Length or distance of parts
N : Motor speed
T
L
: Load torque, total
v : Moving velocity
W : Mass (weight)
W
1
: Ditto, movable part
W
2
: Ditto, counter movable part
η
: Mechanical efficiency
μ
: Friction coefficient
−
Содержание Faldic-a RYS-R Series
Страница 1: ...RYS R Type User s Manual MHT260a Engl...
Страница 2: ...0...
Страница 78: ...0...
Страница 79: ...0 1 1 1 23 1 4 5 6 1 7 8 1 2 8 1 1 1 1 1 1 1 1 9 9 9 9 9 0 1 9 1 9 1 9 1 9 1 9 1...
Страница 81: ...0 1 20 3 4 2 20 5 20 5 4 2 3 4 4 6 4 72 4 7 4...
Страница 83: ...0 0 0 0 0 0 1 1 2 3 4 0 1 0 5 6 1 0 6 7 0 0 8 0 9 5 5 2 9 0 6 4 5 5 2 3 9 7 9 7 9 5 5 4 6 6...
Страница 84: ...6 7 A 6 B C D5 7 4 4 6 4 5 1 BE8 F70 CPU...
Страница 85: ...0 1 2 3 4 3 3 3 5 1 678...
Страница 86: ...0 1 1 0 1 2 2 3 4 5 4 5 2 1 678 4 9 95 9 9 1 9 1 3 3 1 4 5 06 2 3 0 06 4 4 0 0 0 0 0 3 4 0...
Страница 87: ...0 0 0 A A 0 0 0 0 0 0...