planetary gear motor

Robotics
Industrial Automation
Dental Chairs
Rotary Tables
Pool Chair Lifts
Exam Room Tables
Massage Chairs
Packaging Eqipment
Labeling Eqipment
Laser Cutting Machines
Industrial Textile Machinery
Conveying Systems
Test & Measurement Equipment
Automated Guided Vehicles (AGV)
If you require a more compact design for a credit card applicatoin requiring lower load capacity, we also produce value-added Spur Gear Motors. Learn more about the various features and benefits in our Planetary Gear Motor vs. Spur Gear Motor style note.
Built to your unique requirements
The majority of our DC Motors can be complimented with one of our Planetary Gearheads. Ever-Power will work with you to design and manufacture a Planetary Gear Motor which will optimize the performance of your application.
Engine Type: Brushed / Brushless / Coreless
Voltage
Output Speed
Power
Current
Torque
Reduction Ratio
Shaft Material & Size
Gear Material
Shaft Configuration: (D Cut / Round / Splined / Other)
Overall Size Parameters (L, W, H)
Encoder Type: Optical / Hall Effect
Extra Assembly Requirements (lead wires, connectors, etc.)
Ever-Power is a DC planetary gear motor manufacturer providing custom-designed solutions for all applications. Request a quote for planetary gear motors or e mail us for assistance with your design.
Overview
These tiny brushed DC gearmotors have got a diameter of just 6 mm and weigh just over a gram, which makes them great actuators for miniature robots and incredibly small mechanisms. They consist of a coreless motor fastened to a planetary gearbox by a small clip. The gears are manufactured from liquid crystal polymers (LCPs), and gearbox’s nylon output shaft is compatible with our 14 mm wheels. Three gear ratios can be found:
26:1, which has a free run speed of 2500 RPM and stall torque of just one 1.5 oz-in (110 g-cm) at 6 V
136:1, that includes a free run speed of 500 RPM and stall torque of 8 oz-in (550 g-cm) at 6 V
700:1, which has a free run quickness of 90 RPM and stall torque of 12 oz-in (900 g-cm) at 6 V
Take note: Stalling or overloading gearmotors can greatly reduce their lifetimes and even result in immediate damage. For these gearboxes, the recommended top limit for instantaneous torque is definitely 3.5 oz-in (250 g-cm); we highly advise keeping applied loads well under this limit. Stalls may also lead to rapid (possibly on the order of seconds) thermal damage to the engine windings and brushes; an over-all recommendation for brushed DC electric motor procedure is 25% or less of the stall current.
The intended nominal operating voltage for these motors is 3 V to 6 V, though in general, these types of motors can be utilized at voltages outside this range (rotation typically starts among 0.2 V and 0.3 V). Lower voltages might not be useful, and higher voltages could begin negatively influencing the life span of the engine. When operating at 3 V, the free-run acceleration, stall torque, and stall current will all become approximately half of what they are at 6 V as these specifications scale roughly linearly with voltage.
Because the gearmotor’s output shaft is nylon, there can be small variances in the diameter from unit to unit. These variations might cause press-match attachments like our 14 mm wheel to match loosely occasionally. In the event that you experience a loose fitting, you could try swapping wheels or using a little dab of glue to help hold the wheel on.
Gearmotor dimensions
The next diagram shows the micro plastic gearmotor dimensions in mm. The planetary gearbox has a D-shaped plastic output shaft, which is 2 mm in diameter with a section that’s flattened by 0.5 mm. The “D” part of the shaft is usually 2.5 mm long. The engine steps 6 mm in diameter and 9.3 mm in length, and the gearbox size, labeled “L” in the diagram below, depends on the gear ratio.
26 RPM Planetary Gear Motor with encoder: compatibility
This small 12V motor has a magnetic encoder mounted before the gearbox for a much better resolution. Its 4 mm output shaft makes it compatible with lots of ep mounts and component, including clamping hubs, Planetary engine mounts, and also 4 mm toothed tires and pinion gears.
Specialized specifications of the Premium Planetary Gear Engine with Encoder
Nominal voltage: 12V
Voltage range (recommended): 3-12V
No-load speed: 26 rpm
No-load current: 0.21A
Stall current: 4.9A
Stall torque: 42 kgf.cm
Gear ratio: 455,185:1
Metal planetary gear
DC motor
Output shaft diameter: 4 mm
Output shaft style: D-shaft
Output shaft support: dual ball bearings
Electric connection: 2.54 mm 6-pin female header
Operating temperature: approx. -10 to +60 °C
Compatible installation screws: M2 x 0.4 mm
Weight: 117.6 g
Encoder:
Cycles per revolution (motor shaft): 3
Cycles per revolution (output shaft): 1,365.555
Countable events per revolution (motor shaft): 12
Countable events per revolution (output shaft): 5,462.22
Relative quadrature encoder with magnetic Hall effect sensor
Encoder sensor insight voltage range: 2.4 to 26V
Encoder sensor output pulse amplitude: equal to encoder sensor input voltage
Resources for the 26 rpm planetary gear motor
DE3 magnetic encoder use parameters
Motor spec sheet
Spur Gear vs. Planetary Gear
The two the majority of common setup of DC engine gearbox are spur and planetary. Spur type gearbox are simpler, less costly, and work best for low torque applications. Torque capability of spur type gearbox is limited because each gear in the train bears different load. Planetary gearboxes, in contrast, share equivalent load over multiple gears, making them stronger for high torque app.
Specification:
Model: PG42-775
Using Range Voltage: – 12-24V
Nominal Voltage: 24V
No Load Speed: 90 r/min
No Load Current: 500 mA
Max. Efficiency Speed: 90 r/min
Max. Efficiency Current: 3.5A
Max. ETorque: kg. cm-27 Power: W- 35
Stall Torque: 135 kg. cm
Stall Current: 20A
Reduction Ratio: 1:00 – 91
Weight: 775g

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