Planetary and worm gearboxes which can be combined with brushless DC motors as well as with stepper motors.
GPLE22
Precision planetary gearbox
Suitable motor sizes
NEMA 8 (20 mm), NEMA 11 (28 mm), NEMA 17 (42 mm)
Rated output torque
1.5 Nm
Max. backlash
55´ (arc minutes)
Efficiency
80%
Possible reduction ratios
9, 12, 15
GPLE22 precision low-backlash planetary gearboxes are designed to meet the modern requirements of the industrial market and are manufactured in accordance with DIN ISO 9001. The gearboxes are compact in size and can be easily mounted on standard motor sizes NEMA 8 (20 mm), NEMA 11 (28 mm), NEMA 17 (42 mm).
GPLE40
Precision planetary gearbox
Suitable motor sizes
NEMA 17 (42 mm), NEMA 23 (56 mm), NEMA 24 (60 mm)
Rated output torque
5 - 20 Nm
Max. backlash
15´ - 22´ (arc minutes)
Efficiency
48 - 98%
Possible reduction ratios
3 - 512
The low-play planetary gearboxes for NEMA 17 (42 mm), NEMA 23 (56 mm) and NEMA 24 (60 mm) motors provide high running torques, high torsional stiffness, low circumferential backlash, high admissible axial and radial shaft loads and low running noise.
GPLE60
Precision planetary gearbox
Suitable motor sizes
NEMA 23 (56 mm), NEMA 24 (60 mm), NEMA 34 (86 mm)
Rated output torque
15 - 44 Nm
Max. backlash
10´ - 15´ (arc minutes)
Efficiency
51 - 98%
Possible reduction ratios
3 - 512
The low-play planetary gearboxes for NEMA 23 (56 mm), NEMA 24 (60 mm) and NEMA 34 (86 mm) motors provide high running torques, high torsional stiffness, low circumferential backlash, high admissible axial and radial shaft loads and low running noise.
GPLE80
Precision planetary gearbox
Suitable motor sizes
NEMA 34 (86 mm)
Rated output torque
38 - 120 Nm
Max. backlash
7´ - 11´ (arc minutes)
Efficiency
57 - 98%
Possible reduction ratios
3 - 512
The low-play planetary gearboxes for NEMA 34 (86 mm) motors provide high running torques, high torsional stiffness, low circumferential backlash, high admissible axial and radial shaft loads and low running noise.
GP42
High torque planetary gearbox
Suitable motor sizes
NEMA 17 (42 mm)
Rated output torque
6.5 – 24.4 Nm
Max. backlash
60´ (arc minutes)
Efficiency
85 - 90%
Possible reduction ratios
4 - 46
High-torque planetary gearboxes are used with NEMA 17 stepper motors and brushless DC motors. Using of the gearbox results in a compact and powerful drive unit that is suitable for a wide variety of applications. The GP42 series is equipped with an 8 mm shaft and planets that run on sliding bearings.
GP56
High torque planetary gearbox
Suitable motor sizes
NEMA 23 (56 mm), NEMA 24 (60 mm)
Rated output torque
13.6 – 26.4 Nm
Max. backlash
30´ (arc minutes)
Efficiency
85 - 92%
Possible reduction ratios
3 - 62
High-torque planetary gearboxes are used with NEMA 23 and NEMA 24 stepper motors and brushless DC motors. Using of the gearbox results in a compact and powerful drive unit that is suitable for a wide variety of applications. Planetary gears on needle bearings increase the efficiency and service life of the gearbox.
GPLL22
Economy planetary gearbox
Suitable motor sizes
NEMA 8 (20 mm), NEMA 11 (28 mm)
Rated output torque
0.2 – 0.4 Nm
Max. backlash
150´ (arc minutes)
Efficiency
60 - 80%
Possible reduction ratios
5, 25, 90
GPLL22 gearboxes are intended for little stepper motor sizes NEMA 8 (flange 20 mm) and NEMA 11 (flange 28 mm). The model is made of metal and provides rated torque up to 0.4 Nm. These planetary gearboxes are an economic alternative to precision planetary gearboxes.
GSGE60
Worm gearbox
Suitable motor sizes
NEMA 23 (56 mm)
Rated output torque
35 – 44 Nm
Max. backlash
120´ (arc minutes)
Efficiency
45 - 86%
Possible reduction ratios
5, 15, 25, 50
The GSGE60 gearboxes are intended for motor NEMA 23 (57 mm flange size). The output shaft is located 90° from the motor shaft. Worm gearboxes are characterized by self-locking and characterized by high efficiency. GSGE gearboxes come with a long-term synthetic lubricant, and are therefore maintenance free. The gearbox can only be ordered with a motor.
GSGE80
Worm gearbox
Suitable motor sizes
NEMA 34 (86 mm)
Rated output torque
61 – 64 Nm
Max. backlash
120´ (arc minutes)
Efficiency
50 - 80%
Possible reduction ratios
12.5, 25, 50
The GSGE80 gearboxes are intended for motor NEMA 34 (86 mm flange size). The output shaft is located 90° from the motor shaft. Worm gearboxes are characterized by self-locking and characterized by high efficiency. GSGE gearboxes come with a long-term synthetic lubricant, and are therefore maintenance free. The gearbox can only be ordered with a motor.
About stepper motor gearbox
Stepper motors with a planetary gearbox are precision positioning devices that find applications in various industries. They consist of a stepper motor gearbox, which increases torque and reduces rotational speed, providing high mechanical efficiency. Let's explore examples of their usage in the space industry, specifically on the Cassini spacecraft currently exploring Saturn and its moons, as well as the Curiosity rover launched in 2011 and located on Mars.
In the Cassini spacecraft, stepper gearbox utilized in multiple mechanisms. One such example is the deployment and retraction of antennas and solar panels. These motors enable precise positioning and speed control during the unfolding and folding of the equipment. They are also employed in orientation and stabilization control systems, ensuring accurate rotational motion and maintaining the spacecraft's stable position in space.
The Curiosity rover, launched in 2011 and currently operating on Mars, also relies on stepper motors with a gearbox. These motors are used in steering wheel mechanisms, manipulators, and other movable systems of the rover. They provide precise positioning and motion control, allowing the rover to navigate the Martian surface, conduct scientific research, and perform various operations.
The advantages of stepper gearbox include high positioning accuracy, lack of backdriving, and high torque with compact size and weight. These properties make them an ideal choice for applications in the space industry, where reliability, compactness, and precise motion control are essential requirements.
In conclusion, stepper motors with a planetary gearbox are widely used in the space industry, including on the Cassini spacecraft and the Curiosity rover. They offer high positioning accuracy, reliable performance, and efficient motion control. If you're looking to buy a stepper motor with a planetary gearbox, reach out to specialized suppliers and manufacturers who offer a wide range of such motors for various applications.