Robotic arm rotary module for robots QJS 16

for joint

Product Overview
QJS 16 mm miniature dexterous hand joint module with a 16 mm outer diameter. Available in 1–4 stage planetary configurations, it delivers up to 4 kgf·cm momentary torque and high single-stage efficiency for space-constrained robotic joints and precision actuators.

Key Features

• 16 mm compact form factor
• Up to 4 kgf·cm momentary torque (4-stage)
• Flexible 1–4 stage planetary configuration
• Up to 90% efficiency in single-stage configuration
• Machined metal gears and stainless steel output shaft with roller bearing

Technical Parameters
QJS 16 mm
Number of Gear Stages | 1 | 2 | 3 | 4
Reduction Ratio | 4 | 16, 24, 36 | 64, 96, 144, 216 | 256, 384, 576, 864, 1296
Gear Length (mm) | 16 | 18.4 | 20.1 | 23.5
Max. Allowable Continuous Torque (kgf·cm) | 2 | 1.2 | 2 | 2.8
Max. Allowable Momentary Torque (kgf·cm) | 1.5 | 2.2 | 3 | 4
Efficiency (%) | 90 | 81 | 73 | 65
Motor Length | Total motor length determined by specified motor
Outer Diameter | 16 mm
Gear Structure | Planetary
Output Shaft Material | Stainless Steel
Output Shaft Bearing Type | Roller Bearing
Gear Material | Machined Metal Gear
Housing Material | Metal
Operating Humidity | 20%–85% RH
Operating Temperature | -25°C–+100°C
Customization | Designed and manufactured according to customer requirements

Applications / Recommended Industries
Recommended for: Robotic lawnmowers & outdoor service robots; pool & cleaning robots; humanoid robots & dexterous hands; intelligent hardware & smart devices; medical & precision equipment.

Specifications

• Series: QJS
• Outer diameter: 16 mm
• Available gear stages: 1, 2, 3, 4
• Reduction ratios (examples by stage): 1-stage 4; 2-stage 16, 24, 36; 3-stage 64, 96, 144, 216; 4-stage 256, 384, 576, 864, 1296
• Gear lengths (by stage): 1-stage 16 mm; 2-stage 18.4 mm; 3-stage 20.1 mm; 4-stage 23.5 mm
• Max allowable continuous torque (kgf·cm): 1-stage 2; 2-stage 1.2; 3-stage 2; 4-stage 2.8
• Max allowable momentary torque (kgf·cm): 1-stage 1.5; 2-stage 2.2; 3-stage 3; 4-stage 4
• Efficiency: up to 90% (single-stage), 81% (2-stage), 73% (3-stage), 65% (4-stage)
• Gear structure: planetary
• Gear material: machined metal
• Output shaft: stainless steel with roller bearing
• Housing: metal
• Operating humidity: 20%–85% RH
• Operating temperature range: -25°C to +100°C
• Motor length: depends on specified motor (total motor length determined by specified motor)
• Customization: designed and manufactured according to customer requirements