Joint Modules

RJSII Series

Bestseller

• Second-gen joint modules, available in various specifications, for quick assembly of your robot
• Classic style, powerful performance, high reliability
• Brand-new structural design, excellent heat dissipation performance
• Operating temperature range of -20°C to 50°C, suitable for harsh weather conditions
• Powerful output, maximum torque options ranging from 50 to 1500N·m
• IP54 protection level (IP65 optional), suitable for demanding working environments

• Provide customized services for products and solutions

Application ScenariosSpecific Cases >

Collaborative Robots, Medical Robots, Precision Turntables, Automation Equipment, etc

RJSII-14S

Diameter: 66mm
Weight: 1.04kg
Average load torque: 10.5N·m
Rated speed: 30RPM

RJSII-14

Diameter: 76mm
Weight: 1.6kg
Average load torque: 13.5N·m
Rated speed: 30RPM

RJSII-17

Diameter: 90mm
Weight: 2.6kg
Average load torque: 49N·m
Rated speed: 19.8RPM

RJSII-25

Diameter: 116mm
Weight: 4.5kg
Average load torque: 133N·m
Rated speed: 24.8RPM

RJSII-32

Diameter: 152mm
Weight: 8.6kg
Average load torque: 267N·m
Rated speed: 12.4RPM

RJSII-40

Diameter: 184mm
Weight: 15kg
Average load torque: 557N·m
Rated speed: 16.5RPM

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Significant performance boost, higher accuracy, increased torque, and smoother, safer operation

Articulated joint module structure

Basic Product Parameters

Specifications

Drawings

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Category Unit RJSII-14S RJSII-14 RJSII-17 RJSII-20 RJSII-25 RJSII-32 RJSII-40
Parameters of Harmonic Drive Reducer
Reduction Ratio -- 100 101 101 101 101/121 121 121
Gearbox Backlash arcsec <10 <10 <10 <10 <10 <10 <10
Transmission Accuracy arcmin <1 <1 <1 <1 <1 <1 <1
Average Lifespan Hour 20000 20000 20000 20000 20000 20000 20000
Output Capability
Permissible Starting and Stopping Torque N·m 26 34 66 102 194/207 459 800
Average Load Torque N·m 10.5 13.5 49 61 133 267 557
Maximum Instantaneous Torque N·m 51 66 134 182 351/376 848 1458
Maximum Allowable Bending Torque N·m 20 41 72 140 243 460 600
Rated Speed rpm 30 30 19.8 26.7 29.7/24.8 12.4 16.5
Maximum Speed rpm 55 45 28.7 39.6 37.6/31.4 15.5 20
Repeatability arcsec <60 <60 <60 <60 <60 <60 <60
Absolute Positioning Accuracy arcsec <200 <200 <200 <200 <200 <200 <200
Servo System
Motor Power W 65 129 148 282 400 800 1450
Rated Voltage VDC 48 48 48 48 48 48 48
Rated Current A(rms) 3.6 4.8 5.7 9.5 11.5 19.6 33.7
Peak Current A(rms) 10.8 14.4 17.1 27.25 28.75 40 67.4
Incremental Encoder P/R 20000 20000 20000 20000 20000 20000 20000
Absolute Encoder Bit 17 17 17 17 17 17 17
Communication Protocol -- CANopen/EtherCAT
Dimensions
Joint Diameter mm 66 76 90 96 116 152 184
Joint Length mm 114 122 139 131 149 181 209
Through Hole Diameter mm 6.5 7.5 12 12 12 14 15
Joint Weight kg 1.04 1.6 2.6 3.1 4.5 8.6 15
Other Specification
Brake 24/12VDC Electromagnetic Friction Type
IP Degree IP54(IP65 optional)
Operating Environment Operating Temperature: 0 to 50°C (Optional: -40 to 60°C)
Storage Temperature: -40 to 80°C
Ambient Humidity: 90% Relative Humidity (Non-condensing)

"Note: We offer OEM customization services. If you have any other technical requirements, please contact us for consultation."

RJSII-14S RJSII-14 RJSII-17 RJSII-20 RJSII-25 (101) RJSII-25 RJSII-32 RJSII-40

"Note: We offer OEM customization services. If you have any other technical requirements, please contact us for consultation."

Hardware Installation Manual

PDF

Updated On

Drawing

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.STEP

Updated On

RJSII SeriesArticulation Module Model Description

RJSII -14 -100 -20 -B2 -SA17 -D6 E -B1
Series Model Gear Ratio Stator Length Brake Absolute Value Encoder Drive Model Default Communication Config. Version Number
Straight Cylindrical Joint 14S 100-1:101 10 B2:Electromagnetic Friction - Traditional Brake S:Single Turn
M:Multi-Turn
A:Absolute Value
17:Encoder Single-Turn Resolution
D3:RDM2              D6:RGT E: EtherCAT
C:CANopen
B1:Design Version Number
14 20
17 120-1:121 25.2
20 15.3
25 27
32 160-1:161 31
40 25

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