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Quiet Operation
Helical gears reduce vibration and noise.

High Precision
Backlash ≤ 3 arc·min reaches precision alignment.

High Rigidity and Torque
High rigidity and high torque are achieved by integrant needle roller bearings and a one-piece construction.
Servobox Series Model SDH Planetary Reducer Gearboxes
Servobox Series Model SDH Planetary Reducer Gearboxes - 2
Unit of Measure
Items Servobox Series Model SDH Planetary Reducer Gearboxes
SDH64-20-P0
Servobox Series Model SDH64 2-Stage, 20 Ratio, Standard Output Bearing, and P0 Backlash Class Planetary Reducer Gearbox
Servobox Series Model SDH Planetary Reducer Gearboxes
SDH64-20-P1
Servobox Series Model SDH64 2-Stage, 20 Ratio, Standard Output Bearing, and P1 Backlash Class Planetary Reducer Gearbox
Servobox Series Model SDH Planetary Reducer Gearboxes
SDH64-20-P2
Servobox Series Model SDH64 2-Stage, 20 Ratio, Standard Output Bearing, and P2 Backlash Class Planetary Reducer Gearbox
Servobox Series Model SDH Planetary Reducer Gearboxes
SDH64-25-P0
Servobox Series Model SDH64 2-Stage, 25 Ratio, Standard Output Bearing, and P0 Backlash Class Planetary Reducer Gearbox
Servobox Series Model SDH Planetary Reducer Gearboxes
SDH64-25-P1
Servobox Series Model SDH64 2-Stage, 25 Ratio, Standard Output Bearing, and P1 Backlash Class Planetary Reducer Gearbox
Description N/AQuiet Operation
Helical gears reduce vibration and noise.

High Precision
Backlash ≤ 3 arc·min reaches precision alignment.

High Rigidity and Torque
High rigidity and high torque are achieved by integrant needle roller bearings and a one-piece construction.
Brands N/APelonis Technologies
Model N/A64
Ratio N/A20 N/A20 N/A20 N/A25 N/A25
Output Bearing N/AStandard (Keyway)
Backlash Class N/AP0 N/AP1 N/AP2 N/AP0 N/AP1
Stage N/A2-Stage
Dimension A1 N/A79 mm
Number of Holes (A2) N/A8
Dimension A2 N/A4.5 mm
Dimension A3 N/A40 mm
Dimension A4 N/A64 mm
Dimension A5 N/A5 mm
Dimension A6 N/A20 mm
Dimension A7 N/A86 mm
Dimension A8 N/A31.5 mm
Number of Holes (A9) N/A7
Dimension A9 N/AM5 x P0.8
Dimension A10 N/A5 mm
Dimension B1 N/A70 mm
Dimension B2 N/A19.5 mm
Dimension B3 N/A7 mm
Dimension B4 N/A4 mm
Dimension B5 N/A6 mm
Dimension B6 N/A8 mm
Dimension B7 N/A5 mm
Dimension B8 N/A6 mm
Dimension B9 N/A96 mm
Dimension C1 N/A46 mm60 mm63 mm
Dimension C2 N/AM3M4M5
Dimension C3 N/A8 mm9 mm11 mm
Dimension C4 N/A26 mm
Dimension C5 N/A30 mm40 mm50 mm
Dimension C6 N/AM4 x P0.7
Dimension C7 N/A46 mm55 mm
Dimension C8 N/A69 mm
Dimension C9 N/A112 mm
Dimension C10 N/A1/8 in
Dimension C10 Thread Type N/APipe Thread (PT)
Dimension D1 N/A9 mm
Dimension D2 N/A19 mm
Dimension D3 N/A46.2 mm
Rated Output Torque (Nominal Output Torque) (T2N) N/A60 N·m N/A60 N·m N/A60 N·m N/A50 N·m N/A50 N·m
Maximum Acceleration Torque (T2B) N/A1.8 Times of Rated Output Torque
Maximum Output Torque (Emergency Stop Torque) (T2NOT) N/A3 Times of Rated Output Torque
Rated Input Speed (n1N) N/A3000 rpm
Maximum Input Speed (n1B) N/A6000 rpm
Backlash N/A≤ 5 arc·min N/A≤ 7 arc·min N/A≤ 9 arc·min N/A≤ 5 arc·min N/A≤ 7 arc·min
Torsional Rigidity N/A14 N·m/arc·min
Maximum Radial Force (Ball Bearing) (n2rB) N/A2520 N
Maximum Axial Force (Ball Bearing) (n2aB) N/A1260 N
Maximum Radial Force (Taper Bearing) (F2rB) N/A
Maximum Axial Force (Taper Bearing) (F2aB) N/A
S5 Cycle Operation Service Life (LH) N/A>30000 hours
S1 Continuous Operation Service Life (LH) N/A>15000 hours
Efficiency (η) N/A≥ 94 %
Operating Temperature N/A-25 to +91 ºC N/A-25 to +92 ºC N/A-25 to +93 ºC N/A-25 to +99 ºC N/A-25 to +100 ºC
Lubrication N/ASynthetic Grease
Protection Class N/AIngress Protection (IP65)
Mounting Position N/AAny
Noise Level N/A≤ 58 dB
Weight N/A1.7 kg
Weight Tolerance (±) N/A3 %
Mass Moments of Inertia N/A0.03 kg·cm² N/A0.03 kg·cm² N/A0.03 kg·cm² N/A0.22 kg·cm² N/A0.22 kg·cm²
Output Frame Dimension A1 N/A20 mm
Output Frame Dimension A2 N/A31.5 mm
Output Frame Dimension A3 N/A40 mm
Output Frame Dimension A4 N/A64 mm
Output Frame Dimension A5 N/A79 mm
Output Frame Dimension B6 N/AM5 x P0.8
Output Frame Dimension B8 N/A5 mm
Output Frame Dimension B9 N/A4.5 mm
Features N/AOne-Piece Gearbox Housing
The gearbox and internal ring gear are a one-piece construction. High gear accuracy meets DIN6 class.

满滚针轴承的设计
The planetary gear transmission employs full needle roller bearings without a retainer to increase the contact surface that maximizes structural rigidity and service life.

Collet Locking Mechanism
The input-end and the motor are coupled through a collet locking mechanism that ensures concentricity and balance on the connection and no backlash for power transmission while running at high speed.

Integrated Planetary Arm Bracket
The planetary arm bracket and the output shaft are one-piece constructed to increase torsional rigidity and accuracy. The entire structure is machined for controlling accuracy in the specified tolerance.
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