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Servobox Series Model PB Planetary Reducer Gearboxes
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Servobox Series Model PB Planetary Reducer Gearboxes
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Model Number PB90-7
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Model Number PB90-7, Servobox Series Model PB90 1-Stage, 7 Ratio, and Standard Output Bearing Planetary Reducer Gearbox
Quiet Operation
Helical gears reduce vibration and noise.
High Torque
High output torque is compared to spur gear planetary gear reducers.
High Efficiency
Efficiency for 1-stage model exceeds 97%; 2-stage model exceeds 94%.
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Specifications
·
Dimensions
·
Features
Specifications
Brands
Pelonis Technologies
Model
90
Ratio
7
Output Bearing
Standard (Keyway)
Stage
1-Stage
Rated Output Torque (Nominal Output Torque) (T
2N
)
123
N·m
Maximum Acceleration Torque (T
2B
)
1.8 Times of Rated Output Torque
Maximum Output Torque (Emergency Stop Torque) (T
2NOT
)
3 Times of Rated Output Torque
Rated Input Speed (n
1N
)
3000
rpm
Maximum Input Speed (n
1B
)
6000
rpm
Backlash
≤ 8
arc·min
Torsional Rigidity
14
N·m/arc·min
Maximum Radial Force (F
2rB
)
3040
N
Maximum Axial Force (F
2aB
)
1520
N
S5 Cycle Operation Service Life (L
H
)
>30000
hours
S1 Continuous Operation Service Life (L
H
)
>15000
hours
Efficiency (η)
≥ 97
%
Operating Temperature
-25 to +90
ºC
Lubrication
Synthetic Grease
Protection Class
Ingress Protection (IP65)
Mounting Position
Any
Noise Level
≤ 60
dB
Weight
3.69
kg
Weight Tolerance (±)
3
%
Mass Moments of Inertia
0.45
kg·cm²
Dimensions
Dimension A1
100
mm
Dimension A2
6.8
mm
Dimension A3
22
mm
Dimension A4
80
mm
Dimension A5
9
mm
23.5
mm
Dimension A6
M8 x P1.25
Dimension A7
6
mm
Dimension A8
24.5
mm
Dimension B1
90
mm
Dimension B2
48
mm
Dimension B3
10
mm
Dimension B4
30
mm
Dimension B5
36
mm
Dimension B6
10
mm
Dimension B7
164.5
mm
179
mm
Dimension C1
90
mm
100
mm
115
mm
145
mm
Dimension C2
M5
M6
M8
Dimension C3
19
mm
22
mm
24
mm
Dimension C4
59
mm
73.5
mm
Dimension C5
70
mm
80
mm
95
mm
110
mm
Dimension C6
M6 x P1.0
Dimension C7
92
mm
110
mm
130
mm
Features
Integrated Planetary Arm Bracket
The planetary arm bracket and the output shaft are one-piece constructed to increase torsional rigidity and accuracy.
Full Needle Roller Bearings Design
The planetary gear transmission employs full needle roller bearings without a retainer to increase the contact surface. This greatly improves structural rigidity and service life.
Collet Locking Mechanism
The input-end and the motor are coupled through a collet locking mechanism. The mechanism is dynamically balanced to ensure concentricity and balance on the connection and has no backlash for power transmission while running at a high speed.
One-Piece Helical Gear Box
The gear box and internal ring are a one-piece construction design. The speed reduction mechanism employs helical gears that provide two times the meshing rate of teeth compared to regular spur gears. It operates very smoothly, has low noise, high output torque, and low backlash
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