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V
sp[Krpm
]
Vf[Volt] Voltage Constant ( BEMF)
5
9
.
27
10
18
.
54
15 27.81
20
37
.
08
25
46
.
35
V
sp
[K
rpm
]
-
R
o
t
a
ti
on
S
pee
d
30
55
.
62
Vf
[V
o
lt]
-
V
o
lt
age
b
e
t
ween
t
wo p
h
ases.
35
64
.
89
40
74
.
16
45
83
.
43
50
92
.
7
55 101.97
Current Vs. Rotation S
p
eed
60
111
.
24
65
120
.
51
70 129.7
8
5
0
.
194
If
[A
mp
]
-
C
urren
t
Ph
ases.
10
0
.
237
V
sp
[K
rpm
]
-
R
o
t
a
ti
on
S
pee
d
.
15
0
.
289
CONDITIO
N
20
0
.
353
1. Driver - BDH - Hathaway. 2. No external load.
25
0
.
432
3. Including Sensor Brushes. 4. No tool holder.
30
0
.
528
5. Humidity - 50%.
35
0
.
645
6
.
A
m
bi
en
t
t
empera
t
ure
22
-
24
[
o
C]
.
40 0.788
Tor
q
ue Vs. Curren
t
45
0
.
962
50
1
.
176
55 1.437
60
1
.
755
65
2
.
145
Kt = 0.018 Nm/Amp
70 2.62
T [Nm] - Spindle Torque.
I
[
Am
p]
- Current.
Kt
[N
m
/A
mp
]
-
T
orque
S
ens
iti
v
it
y.
Power Vs.
C
urrent
&
Rotation
S
peed
I
[A
mp
]
-
C
urren
t
.
V
sp
[K
rpm
]
-
R
o
t
a
ti
on
S
pee
d
P
w
[W]
-
P
ower.
V
=
1
K
rpm
V
=
2
K
rpm
V
=
3
K
rpm
V
=
4
K
rpm
V
=
5
K
rpm
V
=
6
K
rpm
Vsp[Krpm]
Vf[Volt]
5
55
.
095
10
59
.
165
15
63
.
535
20 Vibration Amplitude Vs. Rotation
S
peed
25
73.267
0
0
1200
6
40
90
.
731
5
0
.
061
V
a
f
[
µ
m
]
-
Vib
ra
ti
on
A
mp
lit
u
d
e.
10
0
.
1
V
sp
[K
rpm
]
-
R
o
t
a
ti
on
S
pee
d
.
15
0
.
123
20
0
.
139
CONDITIO
N
25
0
.
151
1. Peek to Peek.
30
0
.
161
35 0.17
40 0.177
Vibration Speed Vs. Rotation Speed
45
0
.
184
50
0
.
19
55
0
.
195
60
0
.
2
5
0
.
061
10
0
.
396
15
0
.
653
20
0
.
842
25
0
.
952
Vsf [mm/s] - Vibration Speed.
30
1
Vsp [Krpm] - Rotation Speed.
35
0
.
943
15
V
sp < 30 Krpm
V
sf
=0.15-0.029*ln(V
sp
)
V
f
= 1.854*V
sp
I
f
= 0.159*e
0.04*Vsp
V
sp > 30 Krpm
T = 0.018*I
P = 18*I
*Vsp
V
af
=0.056*ln(V
sp
)-0.03
V
sf
=-7.5*10
-5
*V
sp
2
+4.5*10
-3
*Vsp-17.5*10
-3
0
30
60
90
120
150
0 10203040506070
Vsp [Krpm]
Vf [Volt]
0
0.5
1
1.5
2
2.5
3
0 10203040506070
Vsp [Krpm]
If [Amp]
0
0.5
1
1.5
024681012
I [Amp]
T [Nm]
0
300
600
900
1200
1500
01234567
I [Amp]
Pw [W]
0
0.05
0.1
0.15
0.2
0.25
0 5 10 15 20 25 30 35 40 45 50 55 60
Vsp [Krpm]
Vaf [
µ
m]
0
0.4
0.8
1.2
0 5 10 15 20 25 30 35 40 45 50 55 60
Vsp [Krpm]
Vsf [mm/s]