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All Categories > Planetary Reducer Gearboxes > Servobox Series Model PBT Planetary Reducer Gearboxes > Model Number PBT120-3N  
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Model Number PBT120-3N, Servobox Series Model PBT120 1-Stage, 3 Ratio, and Solid Output Shaft Output Bearing Planetary Reducer Gearbox


Quiet Operation
Grinding spiral bevel gear and Helical gears reduce vibration and noise.

High Rigidity and High Torque
High rigidity and high torque are achieved by integrant needle roller bearings and are one-piece constructed.

High Efficiency
Efficiency for 1-stage model exceeds 95%; 2-stage model exceeds 92%.




Specifications  · Dimensions  · Features

Specifications

Brands
Pelonis Technologies

Model
120

Ratio
3

Output Bearing
Solid Output Shaft (No Keyway)

Stage
1-Stage

Rated Output Torque (Nominal Output Torque) (T2N)
301 N·m

Maximum Acceleration Torque (T2B)
1.8 Times of Rated Output Torque

Maximum Output Torque (Emergency Stop Torque) (T2NOT)
3 Times of Rated Output Torque

Rated Input Speed (n1N)
2500 rpm

Maximum Input Speed (n1B)
4500 rpm

Backlash
≤ 10 arc·min

Torsional Rigidity
27 N·m/arc·min

Maximum Radial Force (F2rB)
6460 N

Maximum Axial Force (F2aB)
3230 N

S5 Cycle Operation Service Life (LH)
>30000 hours

S1 Continuous Operation Service Life (LH)
>15000 hours

Efficiency (η)
≥ 95 %

Operating Temperature
-25 to +90 ºC

Lubrication
Synthetic Grease

Protection Class
Ingress Protection (IP65)

Mounting Position
Any

Noise Level
≤ 72 dB

Weight
13 kg

Weight Tolerance (±)
3 %

Mass Moments of Inertia
6.85 kg·cm²

Flange Model
90

Bevel Gear Reducer Model
ST110


Dimensions

Dimension A1
130 mm

Dimension A2
9 mm

Dimension A3
32 mm

Dimension A4
110 mm

Dimension A5
9 mm
23.5 mm

Dimension A6
M10 x P1.5

Dimension A7
10 mm

Dimension A8
35 mm

Dimension B1
120 mm

Dimension B2
65 mm

Dimension B3
12 mm

Dimension B4
40 mm

Dimension B5
50 mm

Dimension B6
12 mm

Dimension B7
145 mm

Dimension B8
215 mm

Dimension B9
280 mm

Dimension C1
90 mm
100 mm
115 mm
145 mm

Dimension C2
M5
M6
M8

Dimension C3
22 mm
24 mm

Dimension C4
51 mm
65.5 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

Dimension C8
122 mm
136 mm

Dimension C9
182 mm
196 mm

Dimension D1
106 mm

Dimension D2
88 mm

Dimension D3
44 mm

Dimension D4
M8 x P1.25


Features
Spiral Bevel Gear
The grinding spiral bevel gear has a compact structure and is excellent in transmission efficiency, stability, and durability. It has a large arc overlapping factor, is wear resistant, and has a long service life.

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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