Question 1

What is a geared motor and how does it work with a generator?

Accepted Answer

A geared motor is an integrated unit that combines an electric motor with a gearbox (speed reducer). The motor provides the input power, and the gearbox reduces the output speed while increasing torque. For generator applications, the geared motor drives the generator rotor at the optimal speed, ensuring stable and efficient power generation. Our 2.2 kW geared motor is specifically designed for generator sets, delivering reliable performance with high efficiency

Question 2

What is the difference between a standard motor + gearbox and an integrated geared motor?

Accepted Answer

A standard motor + gearbox requires separate purchase, assembly, and alignment misalignment is a leading cause of premature failure. An integrated geared motor comes as a single factory-assembled unit with pre-aligned components, eliminating installation errors, saving space, and reducing maintenance. For generator applications where reliability is critical, the integrated design offers superior performance and peace of mind

Question 3

What types of geared motors do you offer for generator applications?

Accepted Answer

We offer multiple types: 
 Helical Geared Motor  smooth, quiet operation with high efficiency, ideal for continuous generator running; 
Worm Geared Mot compact design with self-locking capability; 
Planetary Geared Motor  high torque density for space-limited installations. 
All types are available in the 2.2 kW power class with customizable reduction ratios.

Question 4

How do I choose the right geared motor for my generator set?

Accepted Answer

To select the right unit, consider: 
 Required generator speed  calculate the reduction ratio needed (motor input speed required generator speed; 
 Torque requirement ensure the geared motor provides sufficient starting torque for your generator; 
Mounting orientation  horizontal or vertical; 
Environmental conditions  indoor, outdoor, temperature, and humidity; 
Duty cycle  continuous or intermittent operation. Our technical team can provide professional selection support based on

Question 5

What reduction ratios are available for the 2.2 kW geared motor?

Accepted Answer

Our 2.2 kW geared motor is available with reduction ratios ranging from 3:1 up to 1,800:1. The specific ratio depends on your generator's required output speed. For example, with an input speed of 1450 rpm (50Hz), a 25:1 ratio delivers approximately 58 rpm output, while a 40:1 ratio delivers approximately 36 rpm. Please specify your required generator speed and we will recommend the optimal ratio.

Question 6

What is the output torque of the 2.2 kW geared motor?

Accepted Answer

The output torque depends on the reduction ratio. For reference, a 2.2 kW geared motor with a 40:1 ratio delivers approximately 352 Nm output torque. Higher reduction ratios produce higher torque but lower output speed. We can configure the gearbox to meet your specific torque and speed requirements.

Question 7

What should I pay attention to during installation?

Accepted Answer

Follow these key guidelines: 
 Install on a flat, rigid foundation ensure the mounting surface is level and secure; 
 Use screws of resistance class 8.8 or higher to secure the gearbox; 
 Ensure the housing and shafts are clean and undamaged before installation; 
Ensure proper alignment between the geared motor and driven equipment  misalignment is a leading cause of premature failure; 
 Run without load for 10 15 minutes first, checking for abnormal noise, vibration, or overheating before

Question 8

Can the geared motor be mounted in any orientation?

Accepted Answer

Our geared motors support horizontal and vertical mounting configurations. However, different mounting orientations affect lubrication and oil level requirements. Please specify your preferred mounting orientation when ordering so we can configure the lubrication system accordingly. For vertical mounting, additional considerations for oil seals and oil circulation may be required.

Question 9

Does the geared motor come with oil?

Accepted Answer

Geared motors are typically delivered without oil. Before commissioning, you must fill with the oil type and quantity specified on the nameplate. We recommend extreme pressure (EP) industrial gear oil, ISO VG 320 or VG 460, depending on operating conditions and ambient temperature.

Question 10

What safety features are equipped on the geared motor?

Accepted Answer

Our 2.2 kW geared motors are equipped with:  Overload protection  prevents damage from excessive torque;  Thermal protection  built-in thermal sensors prevent overheating; IP55/IP65 protection dust tight and water-resistant for harsh environments;  Optional electromagnetic brake for instant stopping and load holding;  Emergency stop compatibility  integrates with your system's Estop circuit

Question 11

Can the geared motor run continuously?

Accepted Answer

Yes, our 2.2 kW geared motors are designed for continuous duty (S1 rating) , making them ideal for generator sets that run for extended periods. The combination of high-quality materials, efficient cooling, and precision manufacturing ensures reliable performance even under continuous operation. For intermittent applications, S3 duty ratings are also available upon request.

Question 12

How often should I perform maintenance on the geared motor?

Accepted Answer

We recommend the following schedule: Daily: Check for oil leaks, abnormal noise, and vibration; Weekly: Check oil level and top up if needed; First oil change: After 200-300 operating hours (or 3 months); Regular oil changes: Every 2,000-5,000 operating hours or every 6-12 months, whichever comes first; Annually: Inspect gears and bearings for wear

Question 13

How do I extend the service life of my geared motor?

Accepted Answer

Follow these best practices:  Ensure proper alignment between motor and driven equipment misalignment significantly shortens lifespan;  Avoid overload  operating beyond rated capacity causes premature wear; Maintain clean lubrication and change oil regularly  never mix different oil types or use deteriorated oil;  Keep the working environment clean  avoid oil, acid, alkali, and harmful gases;  If you notice increased noise, vibration, or temperature rise, stop immediately and inspect

Question 14

Why is my geared motor not starting

Accepted Answer

Common causes: No power supply  check voltage and connections;  Overload protection tripped  reduce load or check for mechanical jamming;  Capacitor failure (for single-phase motors)  replace capacitor; Voltage too low or too high  verify power supply matches motor rating; Excessive mechanical friction shaft or gears are jammed. Check these causes in order from simple to complex.

Question 15

Why is there abnormal noise coming from my geared motor?

Accepted Answer

Abnormal noise typically indicates: 
 Bearing damage  grinding or rumbling sounds; 
 Gear wear or pitting chipped or worn teeth; 
 Misalignment  between motor and driven equipment; 
 Inadequate or contaminated lubricant debris or metal particles in the oil; 
 Loose fasteners  mounting bolts or housing bolts. Stop operation immediately and inspect. Continued operation with abnormal noise can cause catastrophic failure

Product specifications

KF37

KF47

KF57

Product profile

Customization

Application

Hardness

Model NO.

Installation

Layout

Gear Shape

Step

Type

Model No.

Rated Power

Input Voltage

Frequency

Input Speed

Output Speed

Reduction Ratio

Output Torque

Gear Type

Gear Material

Housing Material

Mounting Type

Protection Class

Insulation Class

Certification

Transport Package

Specification

Trademark

Origin

Production Capacity

Key features

Company profile

AI-Powered supplier vetting

Product Q&A

Send Inquiry

You may also like