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 need a smaller sized design for an application requiring lower load capability, we also produce value-added Spur Gear Motors. Learn more about the various features and benefits in our Planetary Gear Motor versus. Spur Gear Motor design note.
Built to your specific requirements
Most of our DC Motors can be complimented with among our Planetary Gearheads. Ever-Power will work with you to design and produce a Planetary Gear Engine that may optimize the efficiency 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
Additional 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 possess a diameter of simply 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 electric motor fastened to a planetary gearbox by a small clip. The gears are made from liquid crystal polymers (LCPs), and gearbox’s nylon output shaft is compatible with our 14 mm wheels. Three gear ratios are available:
26:1, that includes a free run speed of 2500 RPM and stall torque of 1 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
Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and also result in immediate damage. For these gearboxes, the suggested top limit for instantaneous torque is definitely 3.5 oz-in (250 g-cm); we strongly advise keeping used loads well under this limit. Stalls can also result in rapid (possibly on the purchase of seconds) thermal damage 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 kinds of motors can be used at voltages outside this range (rotation typically starts between 0.2 V and 0.3 V). Lower voltages might not be useful, and higher voltages could start negatively influencing the life of the engine. When operating at 3 V, the free-run acceleration, stall torque, and stall current will all end up being approximately half of what they are in 6 V as these specifications scale approximately 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 fit, you could try swapping tires or using a small dab of glue to help contain the wheel on.
Gearmotor dimensions
The following 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” part of the shaft can be 2.5 mm long. The engine actions 6 mm in diameter and 9.3 mm in length, 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 comes with a magnetic encoder mounted before the gearbox for a much better resolution. Its 4 mm output shaft helps it be compatible with plenty of ep mounts and component, including clamping hubs, Planetary motor mounts, as well as 4 mm toothed tires and pinion gears.
Specialized specifications of the High quality 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
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: equivalent 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 most common setup of DC motor 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 teach 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
