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Date: Jul 17, 2025

Selection points of F series helical gear motors in industrial applications

In modern industrial production, F series helical gear motors have become the core components of power transmission of many mechanical equipment with their advantages of high precision, high efficiency and low noise. Reasonable selection is the key to ensure stable operation of equipment, improve production efficiency and reduce maintenance costs. When selecting F series helical gear motors in industrial applications, it is necessary to comprehensively consider multiple key aspects.

1. Load characteristic analysis
Load characteristics are the primary basis for selection. First, the type of load must be clarified. The load type can usually be divided into constant torque load, constant power load and fan pump load. During the operation of constant torque load, the torque size remains basically unchanged, such as conveyor belts, mixers and other equipment. This type of load requires the reduction motor to provide stable torque output at different speeds; constant power loads have a small torque when running at high speed and a large torque when running at low speed, such as machine tool spindles and other equipment; the torque of fan pump loads is proportional to the square of the speed, such as ventilators, water pumps, etc. Different load types have significantly different requirements for the torque and speed of the F series helical gear reduction motor. Only by accurately judging the load type can the appropriate motor model be preliminarily selected.
In addition to the load type, the size of the load must be determined, that is, the torque, power and speed required for the load must be calculated. The calculation of the load torque needs to take into account factors such as the working resistance of the equipment and the friction of the transmission components. For example, for a conveyor belt system that transports heavy objects, it is necessary to calculate the torque required to overcome the gravity of the heavy object and the friction between the conveyor belt and the supporting surface. Only when the rated torque of the F series helical gear reduction motor is greater than the load torque can the motor drive the load to operate normally, otherwise the motor may be overloaded, unable to start or unstable in operation.

2. Working environment evaluation
The working environment has an important impact on the performance and life of the F series helical gear reduction motor. In terms of temperature, different types of motors have a certain range of adaptability to the working temperature. In high temperature environments, such as metallurgy, casting and other industries, the heat dissipation performance of the motor is crucial. If the ambient temperature is too high, the insulation materials and electronic components inside the motor are prone to aging and damage. Therefore, it is necessary to select an F series helical gear reduction motor with a good heat dissipation structure or high temperature resistance, and a heat dissipation device can be equipped if necessary. In low temperature environments, the motor's lubricating oil may become thicker, affecting the transmission efficiency and even causing difficulty in starting. At this time, it is necessary to select a motor suitable for low temperature operation and use appropriate low-temperature lubricating oil.
Humidity and corrosiveness are also factors that need to be considered. In humid environments, such as food processing workshops and industrial sites in coastal areas, motors are easily affected by moisture, causing problems such as reduced insulation performance and short circuits. Therefore, motors with good waterproof and moisture-proof properties should be selected, such as F series helical gear reduction motors with a protection level of IP65 and above. For environments with corrosive gases or liquids, such as the chemical industry, the motor housing and internal components need to be corrosion-resistant, and motors made of special anti-corrosion materials can be selected.
In addition, factors such as dust and vibration in the working environment should not be ignored. In dusty environments, such as mines and cement production workshops, dust may enter the motor, affecting the heat dissipation and normal operation of the motor, and a motor with good dustproof performance needs to be selected. In workplaces with large vibrations, such as vibrating screen equipment, the motor needs to have strong vibration resistance to ensure the stability and reliability of its structure.

3. Determination of transmission ratio
The selection of transmission ratio is directly related to the running speed and torque output of the equipment. According to the working requirements of the equipment, determine the required output speed, and then combine the rated speed of the motor to calculate the appropriate transmission ratio through the formula. For example, if the output speed required by the equipment is 50r/min, and the rated speed of the selected F series helical gear reduction motor is 1450r/min, the transmission ratio should be 1450÷50 = 29. When determining the transmission ratio, the transmission efficiency must also be considered. Although the F series helical gear reduction motor has a high transmission efficiency, the efficiency of motors of different models and transmission levels is still different. You should try to choose a combination with high transmission efficiency to reduce energy loss.
At the same time, it should be noted that the transmission ratio should not be too large or too small. If the transmission ratio is too large, the motor speed will be too low, which may affect the heat dissipation and operation stability of the motor; if the transmission ratio is too small, it will not meet the equipment's requirements for torque and speed. In addition, it is necessary to consider the overall layout and space limitations of the transmission system, and select the appropriate transmission level and structure to ensure the reasonable matching of the F series helical gear reduction motor with other transmission components.

4. Consideration of motor performance parameters
The F series helical gear reducer motor has many performance parameters, including power, efficiency, noise, etc. in addition to the torque, speed and transmission ratio mentioned above. The selection of motor power should be based on meeting the load requirements and leaving a certain margin to cope with possible overload conditions. However, the power should not be too large, otherwise it will cause energy waste and cost increase.
Efficiency is an important indicator to measure the energy-saving performance of the motor. High-efficiency motors can not only reduce operating costs, but also meet the requirements of energy conservation and emission reduction. When selecting, F series helical gear reducer motors with high efficiency levels should be given priority. The noise level is also critical. In occasions with high noise requirements, such as food and pharmaceutical production workshops, low-noise motor models should be selected to meet the requirements of the production environment. In addition, the insulation level, protection level and other parameters of the motor should also be reasonably selected according to the working environment and safety requirements.

5. Installation and maintenance convenience
The choice of installation method should be determined according to the structure and spatial layout of the equipment. Common installation methods for F series helical gear reducer motors include horizontal, vertical, flange, etc. Horizontal installation is suitable for equipment with spacious space and horizontal layout; vertical installation is suitable for vertical installation or limited space; flange installation is easy to install and accurately positioned, and is often used for equipment that requires precise installation. Reasonable selection of installation methods can ensure the installation accuracy of motors and equipment and improve the stability of the transmission system.
Maintenance convenience is also a factor that cannot be ignored when selecting. Easy-to-maintain motors can reduce equipment downtime and maintenance costs. When selecting, consider whether the motor's structural design is easy to disassemble and assemble, whether the parts are easy to replace, and whether there is a good lubrication and heat dissipation system to facilitate daily maintenance work. For example, some F series helical gear reduction motors adopt a modular design, with strong versatility of parts and easy replacement, which greatly improves maintenance efficiency.

6. Cost-benefit analysis
Cost-benefit analysis is an important part of selection. On the premise of meeting the needs of industrial applications, the purchase cost, operating cost and maintenance cost of the F series helical gear reduction motor should be comprehensively considered. The purchase cost includes the price of the motor itself, transportation costs, installation and commissioning costs, etc. The operating cost is mainly the energy consumption cost of the motor. Although the purchase cost of energy-efficient motors may be high, they can save a lot of electricity costs in the long run. The maintenance cost includes the cost of parts replacement, maintenance labor costs, etc. By analyzing and comparing the cost-effectiveness of different types of motors, the most cost-effective motor model is selected to maximize economic benefits.

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