Product Description
Helical Gear Motor (R Type)
|
Input Configurations |
Motor mounted |
| IEC B5/B14 Motor Flange (AM Flange) | |
| Servo Motor Flange (AQA Flange) | |
| Shaft Input (AD connection) | |
|
Output Configurations |
CHINAMFG output shaft |
|
CHINAMFG output shaft with flange |
|
|
Variants of Helical Gear Unit Series RX / R / RF |
CHINAMFG or 2/3 Stage |
|
Foot- or flange-mounted |
|
|
Foot- and flange-mounted |
|
|
Flange-mounted with extended bearing housing |
Main Feature
R type gear reducer is an ideal choice for high output speeds or low weight. Always with a high level of efficiency, our helical gear units offer an optimum ratio between output torque and installation space. This means: a helical gear unit almost always fits your application.
Technical Data:
| Housing material | Cast iron/Ductile iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40°C |
| Temp. rise (Oil)(MAX) | 50°C |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, NSK. |
| Brand of oil seal | NAK — ZheJiang or other brands requested |
Specification
|
Model |
CHINAMFG Output Shaft Dia./Length mm |
Horizontal Center Height mm |
External Flange Dia. mm |
Power (kw) |
Ratio (i) |
Nominal Torque (Nm) |
|
|
R/RF37 |
ф25/50 |
90 |
120 |
0.12-0.75 |
5-136 |
150 |
|
|
R/RF47 |
ф30/60 |
115 |
160 |
0.25-2.2 |
5-173 |
300 |
|
|
R/RF57 |
ф35/70 |
115 |
200 |
1.18-5.5 |
5-173 |
400 |
|
|
R/RF67 |
ф35/70 |
130 |
200 |
0.37-7.5 |
5-170 |
500 |
|
|
R/RF77 |
ф40/80 |
140 |
250 |
0.55-11.0 |
5-192 |
750 |
|
|
R/RF87 |
ф50/100 |
180 |
300 |
0.75-18.5 |
5-192 |
1250 |
|
|
R/RF97 |
ф60/120 |
225 |
350 |
1.50-30.0 |
5-197 |
2400 |
|
|
R/RF107 |
ф70/140 |
250 |
350 |
2.20-45.0 |
5-197 |
3600 |
|
|
R/RF137 |
ф90/170 |
315 |
450 |
4.00-45.00 |
5-197 |
6600 |
|
|
R/RF147 |
ф110/210 |
355 |
450 |
7.50-90.00 |
5-195 |
10700 |
|
|
R/RF167 |
ф120/210 |
425 |
550 |
11.00-132.00 |
5-186 |
14800 |
Company Profile
Packing
Scenarioes
FAQ
Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc.
Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.
Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice.
Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.
Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.
Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.
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| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Foot/Flange Mounted |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|

Technological Advancements in Agricultural Gearbox Design
Advancements in agricultural gearbox design have significantly improved the efficiency, durability, and performance of farming equipment. Here are some notable technological advancements:
- Materials and Manufacturing: The use of advanced materials, such as high-strength alloys and composite materials, has enhanced the durability and longevity of gearbox components. Precision manufacturing techniques, including computer-aided design (CAD) and computer numerical control (CNC) machining, ensure tight tolerances and reliable performance.
- Gear Tooth Design: Modern gear tooth profiles, such as optimized helical and spiral bevel gears, reduce noise, vibration, and wear. Advanced tooth design also improves power transmission efficiency and load distribution.
- Sealing and Lubrication: Improved sealing technologies, such as double-lip seals and labyrinth seals, help prevent contaminants from entering gearboxes while retaining lubricants. Advanced lubrication systems, including automatic lubrication and improved oil formulations, extend maintenance intervals and enhance efficiency.
- Electronic Controls: Agricultural gearboxes increasingly integrate with electronic control systems. Sensors and actuators provide real-time data on gearbox performance, allowing for condition monitoring, predictive maintenance, and adjustments to optimize machinery operation.
- Smart Gearboxes: Some agricultural gearboxes are equipped with smart features, such as load sensors, temperature monitors, and feedback systems. These features enhance precision, safety, and overall equipment performance.
- Hybrid Power Transmission: Integration of hybrid power transmission systems, combining internal combustion engines with electric motors, allows for more efficient power delivery and reduced fuel consumption. Gearboxes play a crucial role in managing power distribution in these systems.
- Reduced Environmental Impact: Advancements in gear design contribute to reducing environmental impact. Quieter and more efficient gearboxes minimize noise pollution and energy consumption while meeting emissions regulations.
- Customization and Modularity: Some modern agricultural gearboxes offer modular designs that allow farmers to customize gear ratios, output speeds, and other specifications to match specific tasks and conditions.
- Simulation and Testing: Computer simulations and advanced testing methods, such as finite element analysis (FEA) and computational fluid dynamics (CFD), help optimize gearbox design, reduce prototyping costs, and ensure reliability before production.
These advancements collectively contribute to the evolution of agricultural gearboxes, making farming machinery more efficient, environmentally friendly, and adaptable to the changing needs of modern agriculture.

Types of Farming Equipment Incorporating Agricultural Gearboxes
Agricultural gearboxes play a vital role in various farming equipment, enhancing their efficiency and enabling them to perform essential tasks. Here are some types of farming equipment that commonly incorporate agricultural gearboxes:
- Tractors: Agricultural gearboxes are integral components of tractors, contributing to power transmission from the engine to various attachments such as plows, harrows, and mowers.
- Harvesters: Harvesters, used to gather crops like grains, fruits, and vegetables, utilize gearboxes to drive conveyor systems and separators, ensuring smooth and efficient harvesting operations.
- Planters and Seeders: Planters and seeders rely on gearboxes to precisely distribute seeds and fertilizers while maintaining the desired planting depth.
- Sprayers: Agricultural gearboxes are used in sprayers to drive pumps that distribute pesticides, herbicides, and fertilizers over fields.
- Hay Balers: Gearboxes are essential in hay balers for compacting and forming bales of hay, enabling easy storage and transportation.
- Manure Spreaders: Manure spreaders incorporate gearboxes to distribute and spread fertilizers and compost evenly across fields.
- Grain Augers: Grain augers, used for loading and unloading grains, feature gearboxes to drive the rotating screw mechanism that lifts and transfers grains.
- Cultivators: Cultivators use gearboxes to drive rotating tines or blades that loosen and prepare the soil for planting.
- Rotary Cutters: Rotary cutters, often attached to tractors, utilize gearboxes to power the spinning blades used for cutting tall grass, weeds, and brush.
- Threshers: Threshers, employed for separating grains from their husks or stalks, incorporate gearboxes to drive the threshing mechanisms.
These examples demonstrate the diverse applications of agricultural gearboxes across a wide range of farming equipment. By providing reliable power transmission and control, agricultural gearboxes contribute significantly to the productivity and efficiency of modern agricultural practices.

Role of Agricultural Gearboxes in Agricultural Machinery
An agricultural gearbox is a specialized type of gearbox used in various agricultural machinery and equipment. It plays a crucial role in the proper functioning of agricultural equipment by transmitting power and torque from the engine to the different components that perform specific tasks in the field.
Agricultural gearboxes are designed to withstand the demanding conditions of agricultural operations, including exposure to dust, dirt, moisture, and heavy loads. They are commonly used in a wide range of agricultural machinery, including tractors, combines, tillers, sprayers, and more.
The primary functions of agricultural gearboxes include:
- Power Transmission: Agricultural gearboxes transmit power from the engine to various components, such as wheels, blades, and belts, enabling them to perform their respective tasks.
- Speed Control: Gearboxes allow operators to control the speed and output torque of agricultural machinery. Different tasks require different speeds and levels of torque, and gearboxes provide the necessary adjustments.
- Direction Change: Many agricultural operations require changing the direction of rotational motion. Gearboxes enable smooth and efficient direction changes without the need for complex mechanical arrangements.
- Adaptation to Tasks: Agricultural gearboxes are equipped with various gears and shafts that can be configured to match the requirements of specific tasks, such as plowing, planting, harvesting, and more.
These gearboxes come in different configurations, such as straight-cut gears, helical gears, and planetary gears, depending on the specific application and requirements. The choice of gearbox type, gear ratio, and design factors contribute to the overall performance, efficiency, and durability of agricultural machinery.
Regular maintenance and lubrication are essential to ensure the longevity and reliable operation of agricultural gearboxes. Proper care and upkeep help prevent premature wear and damage, ensuring that the machinery performs optimally throughout the farming seasons.


editor by CX 2024-02-17