Magtrol TM 300 Series, Руководство пользователя, Страница: 22 / 48

14
Magtrol TM Series In-Line Torque Transducers Chapter 1 – Introduction
3
TM 314 – TM 317
Dimensions
tm anD tmHs transDucers witH Keyway sHaFt
A
B
C
F
D
E
CAUTION!
ROTATING PARTS
IN OPERATION.
STOP SYSTEM BEFORE
PERFORMING
MAINTENANCE.
E
60°
F
G
H Q
R
M CC
V
X
Y
Z
GG
AA
N
DD
EE
N
J
K
A*
B
C D
T
HH
TT
SS
S
L
U
* Centering Seat
JJ
FF
UU
MM
NOTE:
Original dimensions are in Metric
units. Dimensions converted to
English have been rounded up to
3 or 4 decimal places.
operating principles
The measuring system, based on the principle of a variable, torque-
proportional transformer coupling, consists of two concentric
cylinders shrunk on the shaft on each side of the shaft’s deformation
zone, and two concentric coils attached to the housing.
Both cylinders have a circularly disposed coinciding row of
slots and rotate with the shaft inside the coils. An alternating
current with the frequency of 20 kHz flows through the primary
coil. When no torque is applied, the slots on the two cylinders
fail to overlap. When torque is applied, the deformation zone
undergoes an angular deformation and the slots begin to overlap.
Thus a torque-proportional voltage is on the secondary coil. The
conditioning electronic circuit incorporated in the transducer
converts the voltage to a nominal torque signal of 0 to ±5 VDC. A
low-pass filter (Butterworth/2nd order), adjustable from 5 kHz to
1 Hz, allows tuning of the torque signal frequency limitation.
An optical sensor reads the speed on a toothed path machined
directly on the measuring system. The electronic conditioner
outputs a frequency signal proportional to the shaft rotational
speed. An active circuit compensates the zero and sensitivity
temperature drifts within a tolerance of 0.1% / 10 K.
Model units Ø A Ø B Ø C Ø D E F g h J K l M N Q R S Ø T U
314/X31
mm
125g6 106 23 17 M16 12 36 45 67.7 26.8 106 294 80 25 68.5 65 50h6 79.5
in
4.9207
4.9197 4.173 0.906 0.669 M16 0.472 1.417 1.772 2.665 1.055 4.173 11.575 3.150 0.984 2.697 2.559
1.9685
1.9679 3.130
315/X31
mm 125g6 106 23 17 M16 12 36 45 87.7 26.8 106 334 80 25 88.5 85 50h6 99.5
in
4.9207
4.9197 4.173 0.906 0.669 M16 0.472 1.417 1.772 3.453 1.055 4.173 13.150 3.150 0.984 3.484 3.346
1.9685
1.9679 3.917
Model units v X Y Z AA CC DD EE FF gg hh Ø JJ MM SS TT UU
314/X31
mm
18 10 134 154 98 93 90
( 0
-0.05
)
60
±0.025
10 100 120
±0.05
11 60.0 9h11 57 14h9
in 0.709 0.394 5.276 6.063 3.858 3.661
3.5433
3.5414
2.3632
2.3612 0.394 3.937
4.7264
4.7224 0.433 2.362
0.3543
0.3508 2.244
0.5512
0.5495
315/X31
mm 18 10 134 154 98 93 90
( 0
-0.05
)
60
±0.025
10 100 120
±0.05
11 59.7 9h11 57 14h9
in 0.709 0.394 5.276 6.063 3.858 3.661
3.5433
3.5414
2.3632
2.3612 0.394 3.937
4.7264
4.7224 0.433 2.350
0.3543
0.3508 2.244
0.5512
0.5495