China manufacturer CHINAMFG F SERIES HELICAL-BEVEL GEAR MOTOR : F SERIES ( Two-Stage and Three-Stage ) with high quality

Product Description

Work with the largest manufacturers of worm gear reducer and door operators in Asia boasts the best machining and inspecting facilities in the world.

Over years self- development and introduction of technology from Japan, Italy, and Germany with our partner, Granville transmission
products are widely used in the industry of metallurgy, mining, electronics, construction, conveying, chemical, textile, food, medicine, printing, rubber, and nation and defense.

The factory not only has an advanced quality control system but the world a modern production facility.


01 Introduction
Granville manufactures standard and custom gear drives for industrial and specialty applications. The product line is the most extensive line of gear reducers in China and offers a solution for every power transmission need.

02 Advantages
Comprehensive range
The best machining and inspecting facilities
Correcting alignment issues in dock or in operation
Has a large portfolio of various bearings and housings meet the industry’s need
Perfect sealing, minimize risk of leakage and environmental impact
Offers a range of oil and grease lubrication solutions


1 Warm Gear Reducer
2 SKRF Helical Geared Motors
3 Gate Operators
4 Cyclo Drive Reducer
5 Screw Actuater
6 Coupling


F series ( Two-Stage and Three-Stage )

Our extra-slim parallel shaft helical gear motors are the perfect solution when space is limited. The many different sizes and designs ensure that the gear motors can be used in a wide variety of applications even under the most unfavorable conditions. GIL-EURODRIVE parallel shaft helical gear motors are typically used in conveyor and materials processing applications. You can choose from foot-mounted, flange-mounted or shaft-mounted options. Reduced backlash parallel shaft helical gear units are also available on request for precise positioning tasks.

  Available versions
– Foot-mounted or flange-mounted
– B5 or B14 Flange-mounted
– CHINAMFG or hollow shaft
– Hollow shaft with keyed connection, shrink disc, splined Hollow shaft or TorqLOC
Your advantages
– High torque density
– High permitted overhung loads
– Multi-stage gear unit for low output speeds
– F37 … F157 Reduced backlash option
Parallel shaft helical gear unit versions

Version Size 27, 37, 47, 57, 67, 77, 87, 97, 107, 127, 157
F.. ( Foot-mounted ) F27, F37, F47, F57, F67, F77, F87, F97, F107, F127, F157
FA..B ( Foot-mounted / Hollow shaft ) FA27B, FA37B, FA47B, FA57B, FA67B, FA77B, FA87B, FA97B, FA107B, FA127B, FA157B
FV..B ( Foot-mounted / Hollow shaft / Splined hollow shaft ) FV27B, FV37B, FV47B, FV57B, FV67B, FV77B, FV87B, FV97B, FV107B, FV127B, FV157B
FH..B ( Foot-mounted / Hollow shaft / Shrink disc ) FH27B, FH37B, FH47B, FH57B, FH67B, FH77B, FH87B, FH97B, FH107B, FH127B, FH157B
FF.. ( B5 flange-mounted ) FF27, FF37, FF47, FF57, FF67, FF77, FF87, FF97, FF107, FF127, FF157
FAF.. ( B5 Flange-mounted / Hollow shaft ) FAF27, FAF37, FAF47, FAF57, FAF67, FAF77, FAF87, FAF97, FAF107, FAF127, FAF157
FVF.. ( B5 Flange-mounted / Hollow shaft / Splined hollow shaft ) FVF27, FVF37, FVF47, FVF57, FVF67, FVF77, FVF87, FVF97, FVF107, FVF127, FVF157
FHF.. ( B5 Flange-mounted / Hollow shaft / Shrink disc ) FHF27, FHF37, FHF47, FHF57, FHF67, FHF77, FHF87, FHF97, FHF107, FHF127, FHF157
FA.. ( Hollow shaft ) FA27, FA37, FA47, FA57, FA67, FA77, FA87, FA97, FA107, FA127, FA157
FV.. ( Hollow shaft / Splined hollow shaft ) FV27, FV37, FV47, FV57, FV67, FV77, FV87, FV97, FV107, FV127, FV157
FH.. ( Hollow shaft / Shrink disc ) FH27, FH37, FH47, FH57, FH67, FH77, FH87, FH97, FH107, FH127, FH157
FT.. ( Hollow shaft / Torq LOC ) FT27, FT37, FT47, FT57, FT67, FT77, FT87, FT97, FT107, FT127, FT157
FAZ.. ( B14 Flange-mounted / Hollow shaft ) FAZ27, FAZ37, FAZ47, FAZ57, FAZ67, FAZ77, FAZ87, FAZ97, FAZ107, FAZ127, FAZ157
FVZ.. ( B14 Flange-mounted / Hollow shaft / Splined hollow shaft ) FVZ27, FVZ37, FVZ47, FVZ57, FVZ67, FVZ77, FVZ87, FVZ97, FVZ107, FVZ127, FVZ157
FHZ.. ( B14 Flange-mounted / Hollow shaft / Shrink disc ) FHZ27, FHZ37, FHZ47, FHZ57, FHZ67, FHZ77, FHZ87, FHZ97, FHZ107, FHZ127, FHZ157



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Application: Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery
Gear Shape: Parallel shaft helical gear
Type: Worm Reducer
US$ 1/Set
1 Set(Min.Order)


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gear motor

What types of feedback mechanisms are commonly integrated into gear motors for control?

Gear motors often incorporate feedback mechanisms to provide control and improve their performance. These feedback mechanisms enable the motor to monitor and adjust its operation based on various parameters. Here are some commonly integrated feedback mechanisms in gear motors:

1. Encoder Feedback:

An encoder is a device that provides position and speed feedback by converting the motor’s mechanical motion into electrical signals. Encoders commonly used in gear motors include:

  • Incremental Encoders: These encoders provide information about the motor’s shaft position and speed relative to a reference point. They generate pulses as the motor rotates, allowing precise measurement of position and speed changes.
  • Absolute Encoders: Absolute encoders provide the precise position of the motor’s shaft within a full revolution. They do not require a reference point and provide accurate feedback even after power loss or motor restart.

2. Hall Effect Sensors:

Hall effect sensors use the principle of the Hall effect to detect the presence and strength of a magnetic field. They are commonly used in gear motors for speed and position sensing. Hall effect sensors provide feedback by detecting changes in the motor’s magnetic field and converting them into electrical signals.

3. Current Sensors:

Current sensors monitor the electrical current flowing through the motor’s windings. By measuring the current, these sensors provide feedback regarding the motor’s torque, load conditions, and power consumption. Current sensors are essential for motor control strategies such as current limiting, overcurrent protection, and closed-loop control.

4. Temperature Sensors:

Temperature sensors are integrated into gear motors to monitor the motor’s temperature. They provide feedback on the motor’s thermal conditions, allowing the control system to adjust the motor’s operation to prevent overheating. Temperature sensors are crucial for ensuring the motor’s reliability and preventing damage due to excessive heat.

5. Hall Effect Limit Switches:

Hall effect limit switches are used to detect the presence or absence of a magnetic field within a specific range. They are commonly employed as end-of-travel or limit switches in gear motors. Hall effect limit switches provide feedback to the control system, indicating when the motor has reached a specific position or when it has moved beyond the allowed range.

6. Resolver Feedback:

A resolver is an electromagnetic device used to determine the position and speed of a rotating shaft. It provides feedback by generating sine and cosine signals that correspond to the shaft’s angular position. Resolver feedback is commonly used in high-performance gear motors requiring accurate position and speed control.

These feedback mechanisms, when integrated into gear motors, enable precise control, monitoring, and adjustment of various motor parameters. By utilizing feedback signals from encoders, Hall effect sensors, current sensors, temperature sensors, limit switches, or resolvers, the control system can optimize the motor’s performance, ensure accurate positioning, maintain speed control, and protect the motor from excessive loads or overheating.

gear motor

How do gear motors compare to other types of motors in terms of power and efficiency?

Gear motors can be compared to other types of motors in terms of power output and efficiency. The choice of motor type depends on the specific application requirements, including the desired power level, efficiency, speed range, torque characteristics, and control capabilities. Here’s a detailed explanation of how gear motors compare to other types of motors in terms of power and efficiency:

1. Gear Motors:

Gear motors combine a motor with a gear mechanism to deliver increased torque output and improved control. The gear reduction enables gear motors to provide higher torque while reducing the output speed. This makes gear motors suitable for applications that require high torque, precise positioning, and controlled movements. However, the gear reduction process introduces mechanical losses, which can slightly reduce the overall efficiency of the system compared to direct-drive motors. The efficiency of gear motors can vary depending on factors such as gear quality, lubrication, and maintenance.

2. Direct-Drive Motors:

Direct-drive motors, also known as gearless or integrated motors, do not use a gear mechanism. They provide a direct connection between the motor and the load, eliminating the need for gear reduction. Direct-drive motors offer advantages such as high efficiency, low maintenance, and compact design. Since there are no gears involved, direct-drive motors experience fewer mechanical losses and can achieve higher overall efficiency compared to gear motors. However, direct-drive motors may have limitations in terms of torque output and speed range, and they may require more complex control systems to achieve precise positioning.

3. Stepper Motors:

Stepper motors are a type of gear motor that excels in precise positioning applications. They operate by converting electrical pulses into incremental steps of movement. Stepper motors offer excellent positional accuracy and control. They are capable of precise positioning and can hold a position without power. Stepper motors have relatively high torque at low speeds, making them suitable for applications that require precise control and positioning, such as robotics, 3D printers, and CNC machines. However, stepper motors may have lower overall efficiency compared to direct-drive motors due to the additional power required to overcome the detents between steps.

4. Servo Motors:

Servo motors are another type of gear motor known for their high torque, high speed, and excellent positional accuracy. Servo motors combine a motor, a feedback device (such as an encoder), and a closed-loop control system. They offer precise control over position, speed, and torque. Servo motors are widely used in applications that require accurate and responsive positioning, such as industrial automation, robotics, and camera pan-tilt systems. Servo motors can achieve high efficiency when properly optimized and controlled but may have slightly lower efficiency compared to direct-drive motors due to the additional complexity of the control system.

5. Efficiency Considerations:

When comparing power and efficiency among different motor types, it’s important to consider the specific requirements and operating conditions of the application. Factors such as load characteristics, speed range, duty cycle, and control requirements influence the overall efficiency of the motor system. While direct-drive motors generally offer higher efficiency due to the absence of mechanical losses from gears, gear motors can deliver higher torque output and enhanced control capabilities. The efficiency of gear motors can be optimized through proper gear selection, lubrication, and maintenance practices.

In summary, gear motors offer increased torque and improved control compared to direct-drive motors. However, gear reduction introduces mechanical losses that can slightly impact the overall efficiency of the system. Direct-drive motors, on the other hand, provide high efficiency and compact design but may have limitations in terms of torque and speed range. Stepper motors and servo motors, both types of gear motors, excel in precise positioning applications but may have slightly lower efficiency compared to direct-drive motors. The selection of the most suitable motor type depends on the specific requirements of the application, balancing power, efficiency, speed range, and control capabilities.

gear motor

How does the gearing mechanism in a gear motor contribute to torque and speed control?

The gearing mechanism in a gear motor plays a crucial role in controlling torque and speed. By utilizing different gear ratios and configurations, the gearing mechanism allows for precise manipulation of these parameters. Here’s a detailed explanation of how the gearing mechanism contributes to torque and speed control in a gear motor:

The gearing mechanism consists of multiple gears with varying sizes, tooth configurations, and arrangements. Each gear in the system engages with another gear, creating a mechanical connection. When the motor rotates, it drives the rotation of the first gear, which then transfers the motion to subsequent gears, ultimately resulting in the output shaft’s rotation.

Torque Control:

The gearing mechanism in a gear motor enables torque control through the principle of mechanical advantage. The gear system utilizes gears with different numbers of teeth, known as gear ratio, to adjust the torque output. When a smaller gear (pinion) engages with a larger gear (gear), the pinion rotates faster than the gear but exerts more force or torque. This results in torque amplification, allowing the gear motor to deliver higher torque at the output shaft while reducing the rotational speed. Conversely, if a larger gear engages with a smaller gear, torque reduction occurs, resulting in higher rotational speed at the output shaft.

By selecting the appropriate gear ratio, the gearing mechanism effectively adjusts the torque output of the gear motor to match the requirements of the application. This torque control capability is essential in applications that demand high torque for heavy lifting or overcoming resistance, as well as applications that require lower torque but higher rotational speed.

Speed Control:

The gearing mechanism also contributes to speed control in a gear motor. The gear ratio determines the relationship between the rotational speed of the input shaft (driven by the motor) and the output shaft. When a gear motor has a higher gear ratio (more teeth on the driven gear compared to the driving gear), it reduces the output speed while increasing the torque. Conversely, a lower gear ratio increases the output speed while reducing the torque.

By choosing the appropriate gear ratio, the gearing mechanism allows for precise speed control in a gear motor. This is particularly useful in applications that require specific speed ranges or variations, such as conveyor systems, robotic movements, or machinery that needs to operate at different speeds for different tasks. The speed control capability of the gearing mechanism enables the gear motor to match the desired speed requirements of the application accurately.

In summary, the gearing mechanism in a gear motor contributes to torque and speed control by utilizing different gear ratios and configurations. It enables torque amplification or reduction, depending on the gear arrangement, allowing the gear motor to deliver the required torque output. Additionally, the gear ratio also determines the relationship between the rotational speed of the input and output shafts, providing precise speed control. These torque and speed control capabilities make gear motors versatile and suitable for a wide range of applications in various industries.

China manufacturer CHINAMFG F SERIES HELICAL-BEVEL GEAR MOTOR : F SERIES ( Two-Stage and Three-Stage )   with high quality China manufacturer CHINAMFG F SERIES HELICAL-BEVEL GEAR MOTOR : F SERIES ( Two-Stage and Three-Stage )   with high quality
editor by CX 2024-02-09