THK ET20 Series, Manual

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Technical Materials
0.000
0.001
0.002
0.003
0.004
0.005
0.006
0.007
0 50 100 150 200 250
0.0057
0.0027
0.0007
180
Permissible moment of inertia (k
g
·m
2
)
Angular velocity (°/s)
Permissible moment of inertia (k
g
·m
2
)
Angular velocity (°/s)
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0 50 100 150 200 250
0.14
0.30
0.03
180
Output tor
que (N·m)
Angular velocity (°/s)
0.000
0.005
0.010
0.015
0.020
0.025
0 500 1000 1500 2000
0.016
0.023
0.015
0.008
0.000
0.010
0.020
0.030
0.040
0.050
0.060
0.070
0.080
0.090
0 500 1000 1500 2000
0.045
0.077
0.056
0.032
0.053
0.037
0.016
0.024
Inter
nal r
esistance tor
que (N·m)
Inter
nal r
esistance tor
que (N·m)
Motor shaft rotation speed (min
-1
) Motor shaft rotation speed (min
-1
)
Output tor
que (N·m)
Angular velocity (°/s)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0 100 200 300 400 500 600
3.3
0.9
2.2
0.6
0.4
0.6
133
Note) Internal resistance torque increases in low-temperature environments (10°C and below).
Therefore, it is recommended to use a higher safety margin when selecting a product.
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
0.050
0 100 200 300 400 500 600
0.042
0.028
0.011
0.007
0.007
0.005
133
ET35–30 (Ambient temperature: 10°C or more)
ET35–30 (Ambient temperature: Less than 10°C)
ET35–20 (Ambient temperature: 10°C or more)
ET35–20 (Ambient temperature: Less than 10°C)
ET35–30 (Ambient temperature: 10°C or more)
ET35–30 (Ambient temperature: Less than 10°C)
ET35–20 (Ambient temperature: 10°C or more)
ET35–20 (Ambient temperature: Less than 10°C)
ET35–30 (Ambient temperature: 10°C or more)
ET35–30 (Ambient temperature: Less than 10°C)
ET35–20 (Ambient temperature: 10°C or more)
ET35–20 (Ambient temperature: Less than 10°C)
Ambient temperature: 10°C or more
Ambient temperature: Less than 10°C
Ambient temperature: 10°C or more
Ambient temperature: Less than 10°C
Ambient temperature: 10°C or more
Ambient temperature: Less than 10°C
Angular Velocity versus Permissible Moment of Inertia
Angular Velocity versus Output Torque
Motor Shaft Rotation Speed versus Internal Resistance Torque
ET20
ET20
ET20
ET35
ET35
ET35
19