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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 an application requiring lower load capability, we also manufacture value-added Spur Gear Motors. Find out more about the different features and benefits inside our Planetary Gear Motor versus. Spur Gear Motor design note.
Built to your specific requirements
The majority of our DC Motors can be complimented with one of our Planetary Gearheads. Ever-Power will continue to work with you to create and manufacture a Planetary Gear Engine that 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)
General 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 producer providing custom-designed solutions for all applications. Ask for a quote for planetary equipment motors or contact us for advice about your design.
Overview
These tiny brushed DC gearmotors have a diameter of just 6 mm and weigh just over a gram, making them great actuators for miniature robots and very small mechanisms. They contain a coreless engine fastened to a planetary gearbox by a little clip. The gears are produced from liquid crystal polymers (LCPs), and gearbox’s nylon result shaft is compatible with this 14 mm wheels. Three gear ratios can be found:
26:1, that includes 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 velocity of 90 RPM and stall torque of 12 oz-in (900 g-cm) in 6 V
Take note: Stalling or overloading gearmotors may greatly reduce their lifetimes and even result in immediate damage. For these gearboxes, the suggested 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 result in rapid (potentially on the purchase of seconds) thermal harm to the engine windings and brushes; a general recommendation for brushed DC electric motor operation is 25% or much 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 used at voltages outside this range (rotation typically starts among 0.2 V and 0.3 V). Lower voltages is probably not practical, and higher voltages could begin negatively influencing the life of the electric motor. When operating at 3 V, the free-run quickness, stall torque, and stall current will all become about 50 % 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-suit attachments like our 14 mm wheel to fit loosely occasionally. If you experience a loose fitting, you could attempt swapping tires or using a little dab of glue to help contain the wheel on.
Gearmotor dimensions
The next diagram shows the micro plastic gearmotor dimensions in mm. The planetary gearbox has a D-shaped plastic result shaft, which is 2 mm in diameter with a section that is flattened by 0.5 mm. The “D” portion of the shaft is 2.5 mm long. The motor actions 6 mm in diameter and 9.3 mm long, and the gearbox length, labeled “L” in the diagram below, depends on the gear ratio.
26 RPM Planetary Gear Motor with encoder: compatibility
This small 12V motor includes a magnetic encoder mounted before the gearbox for a much better resolution. Its 4 mm output shaft makes it compatible with plenty of ep mounts and component, including clamping hubs, Planetary engine mounts, and also 4 mm toothed tires and pinion gears.
Specialized specifications of the Superior Planetary Gear Electric motor 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
Result shaft support: dual ball bearings
Electric connection: 2.54 mm 6-pin female header
Operating temperature: approx. -10 to +60 °C
Compatible mounting screws: M2 x 0.4 mm
Weight: 117.6 g
Encoder:
Cycles per revolution (engine 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 Equipment vs. Planetary Gear
The two many common setup of DC electric motor gearbox are spur and planetary. Spur type gearbox are simpler, less expensive, and work greatest for low torque applications. Torque capacity of spur type gearbox is limited because each equipment in the teach bears different load. Planetary gearboxes, in contrast, share equivalent load over multiple gears, making them stronger for high torque application.
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