What Key Technical Parameters & Information Do You Need to Provide Before I.CH Motion Delivers Your Custom Planetary Gear Motor Solution?

I.CH Motion has specialized in R&D, manufacturing and after-sales service of electric motors, precision small-module gears and planetary gearboxes since 2006, with independent R&D, design, quality control and global customer service teams. Our full product lineup covers DC gear motors, outrunner brushless motors, DC planetary gear motors, hybrid stepper lead screw motors and high-precision planetary reducers, supporting fully customized transmission solutions for global clients across automation, medical equipment, robotics, smart home, AGV and precision testing industries.

Custom planetary gear motors stand out for high torque density, low backlash, high transmission efficiency and compact structure, yet a perfectly matched customized solution relies on complete, accurate technical information from your side. Incomplete or ambiguous parameters will lead to repeated prototype revisions, delayed project schedules and extra R&D costs. This article systematically sorts out all mandatory information and technical indicators our engineering team requires to design your exclusive planetary geared motor, supplemented by FAQ sections to resolve common engineering confusion, helping you prepare specification documents efficiently and accelerate custom sample development.

Core Application Background Information (Basic Precondition for Custom Design)

Before calculating electrical and mechanical performance, our engineers must clarify your actual application scenarios, which determine the material selection, precision grade, protection level and service life standard of the planetary gear motor. You need to submit the following background details first:

1. Specific application industry & equipment name

   Specify whether the product is used in medical devices, industrial automation robotic arms, intelligent logistics AGVs, smart locks, laboratory testing instruments, new energy testing equipment or consumer electronics. Different industries have differentiated compliance requirements: medical equipment demands low noise and RoHS-compliant lubricants; industrial automation requires high shock resistance and long cycle life; battery-powered portable devices prioritize ultra-low no-load current and high efficiency.

   
   

2. Overall dimensional limit & installation space constraints

   Provide the maximum allowable outer diameter, total length, flange mounting size and reserved shaft space inside your equipment. If there are irregular housing structures or limited vertical/horizontal assembly space, attach 2D/3D drawings or dimensional sketches. Our precision planetary gearbox series supports compact miniaturized customization, but spatial boundaries directly restrict gear stage quantity and motor winding layout.

   
   

3. Operating environment indicators

   List working temperature range (-40℃ to +85℃ for special equipment), dust/waterproof IP rating requirement, exposure to corrosive gas/oil, vibration intensity and continuous operation site conditions. Harsh environments require customized sealing structures, anti-rust gear materials and high-temperature resistant enameled wires.

   
   

4. Compliance certification requirements

   Confirm whether the finished motor needs CE, RoHS, REACH, FDA or other regional industry certifications, which will adjust raw material selection and production process standards in advance.

   
   

5. Mass production demand & delivery cycle expectation

   Inform us of annual order quantity, first sample trial order volume and target delivery timeline, so we can allocate R&D prototype resources and arrange production capacity reasonably.

   
   

Mandatory Electrical Performance Technical Parameters

Electrical parameters are the core basis for motor winding design, driver matching and power consumption optimization. Missing any indicator will cause power mismatch and abnormal heating after assembly:

1. Rated working voltage & power supply type

   Distinguish DC 3V/6V/12V/24V/48V battery power or industrial AC converted DC power, and note voltage fluctuation range during actual operation. Brush and BLDC outrunner planetary motors have completely different winding design schemes under varying voltage specifications.

   
   

2. Rated power, rated current & no-load current limit

   Provide continuous working power, maximum allowable operating current and upper limit of no-load current (critical for battery-powered equipment to extend standby time).

   
   

3. Motor type selection direction

   Clarify your preference: brushed DC motor, outer rotor BLDC motor or hybrid stepper motor matched with planetary reducer. Each motor type has unique torque-speed characteristics and control logic, which determines the overall assembly structure of the planetary gear motor.

   
   

4. Speed control & feedback requirements

   State whether closed-loop speed/position control is needed, and specify feedback components: Hall sensor, incremental optical encoder or dual-shaft encoder. Encoder installation space and wire outlet mode need to be reserved in the gearbox structure during customization.

   
   

Key Mechanical & Load Parameters of Planetary Gearbox

This section directly determines gear reduction ratio, gear stage quantity, gear material and output bearing load capacity, which are the core of planetary reducer customization:

1. Output speed requirementDistinguish rated continuous output RPM and maximum instantaneous speed during acceleration/deceleration, which is used to calculate the accurate reduction ratio of the planetary gear set. Standard single/multi-stage planetary gear ratios include 3, 5, 10, 15, 20, 30, 50, 100; non-standard customized ratios are also supported.

   
   

2. Torque full spectrum data (most critical indicator)

• Continuous rated output torque: torque required for long-term stable operation;

• Peak instantaneous torque: maximum torque during startup, impact load or emergency stop (generally 2–5 times rated torque);

• Static holding torque: locking torque needed when the equipment stops positioning. We will reserve a 15%–25% safety margin for torque during design to avoid gear tooth wear and motor stall under dynamic load.

  
  

1. Load operating mode & duty cycleSpecify S1 continuous operation, S2 intermittent short-time operation or frequent start-stop cycle; record start-stop frequency per minute and acceleration/deceleration time. Frequent impact loads require alloy steel planetary gears and reinforced output bearings.

   
   

2. Output shaft load & precision standard

• Radial and axial bearing force on the output shaft during operation;

• Backlash tolerance requirement: standard precision (≤15 arcmin), low backlash (≤8 arcmin) or ultra-precision (≤3 arcmin) for positioning equipment;

• Shaft customization demands: round shaft, D-cut shaft, spline shaft, customized shaft diameter/length, rear extended shaft for brake assembly.

  
  

1. Mounting & transmission auxiliary requirementsConfirm flange mounting hole size, mounting orientation (horizontal/vertical/side installation), whether built-in brake, clutch or limit switch is required, and wire outgoing direction/length/connector model customization.

   
   

FAQ – Common Confusion About Custom Parameter Submission

Q1: Can I only provide torque and speed parameters to get a customized solution?

A1: No. Torque and speed only support preliminary ratio calculation. Without electrical voltage, dimensional limit, environmental conditions and load duty cycle information, the designed planetary gear motor may suffer overheating, insufficient service life, oversized volume or failure to install in your equipment. Our engineers need full-spectrum parameters to balance performance, volume and cost.

Q2: What if I do not know the exact peak torque value of my equipment?

A2: You can provide equipment load weight, transmission structure and acceleration time, and our technical team will conduct professional torque calculation and simulation to derive the required peak torque index, avoiding the risk of undersizing the gearbox.

Q3: Is backlash a mandatory indicator for all custom planetary gear motors?

A3: It depends on your application. If the equipment only implements simple rotation and no precise positioning (such as conveyor drive), standard backlash planetary gears can be adopted to control costs. For robotic joints, testing platforms and medical precision transmission devices, you must provide clear low-backlash tolerance requirements.

Q4: Do I need to specify gear material requirements separately?

A4: You can inform us of service life expectations and load intensity. We will automatically match materials: POM plastic gears for low-load low-noise scenarios, alloy steel gears for high-torque frequent impact conditions, and stainless steel gears for corrosion-resistant environments. You can also put forward customized material demands independently.

Q5: How to submit incomplete parameter information for preliminary evaluation?

A5: Send us available technical drawings, existing motor model reference, equipment working video and partial known specifications via inquiry@ichmo.com. Our application engineers will reply with a supplementary parameter checklist within 24 hours to guide you to complete all required indicators step by step.

Streamline Customization Process with Complete Parameter Documents

As a professional manufacturer integrating precision gearbox and motor R&D, I.CH Motion delivers one-stop customized planetary gear motor transmission solutions covering structural design, sample trial production, performance testing and mass production delivery. Complete, standardized technical information submission shortens the R&D sample cycle by over 30%, eliminates repeated modification costs, and ensures the finished motor fully matches your equipment’s long-term operation demands.

If you have parameter sorting demands or custom planetary gear motor project consultation, send your technical specifications and drawings to inquiry@ichmo.com, and our professional motion solution team will provide targeted design proposals at the first time.