Product Description
Standard F Series Parallel Shaft Helical Gearbox Speed Reducer with 380V/660V 3 Phase Electric Motor 4KW 11KW
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Input Configurations |
Direct motor coupled |
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With IEC B5/B14 motor flange |
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With IEC B5/B14 motor mounted |
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With CHINAMFG input shaft |
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Output Configurations
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CHINAMFG output shaft |
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CHINAMFG output shaft with flange |
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Hollow output shaft |
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Hollow output shaft and flange |
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Variants of the Parallel Shaft Helical Gear Unit Series F / FF / FA / FAF |
Foot- or flange-mounted |
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B5 or B14 flange-mounted |
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CHINAMFG shaft or hollow shaft |
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Hollow shaft with key connection, shrink disk, splined hollow shaft, or Torque Arm |
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
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Model |
Shaft Dia. mm |
Horizontal Center Height mm |
External Flange Dia. Mm |
Power Kw |
Ratio i |
Nominal Torque Nm |
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CHINAMFG Shaft |
Hollow Shaft |
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F/FF/FA/FAF37 |
ф25 |
ф30 |
70 |
160 |
0.12-3 |
4-138 |
180 |
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F/FF/FA/FAF47 |
ф35 |
ф35 |
80 |
200 |
0.12-5.5 |
4-175 |
360 |
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F/FF/FA/FAF57 |
ф35 |
ф40 |
100 |
250 |
0.18-7.5 |
4-197 |
420 |
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F/FF/FA/FAF67 |
ф40 |
ф40 |
100 |
250 |
0.37-7.5 |
4-197 |
700 |
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F/FF/FA/FAF77 |
ф50 |
ф50 |
120 |
300 |
0.75-11 |
4-197 |
1350 |
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F/FF/FA/FAF87 |
ф60 |
ф60 |
155 |
350 |
1.5-22 |
4-193 |
2500 |
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F/FF/FA/FAF97 |
ф70 |
ф70 |
180 |
450 |
2.2-30 |
4-203 |
3700 |
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F/FF/FA/FAF107 |
ф90 |
ф90 |
200 |
450 |
3-45 |
4-205 |
6500 |
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F/FF/FA/FAF127 |
ф110 |
ф100 |
240 |
550 |
5.5-90 |
4-202 |
10000 |
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F/FF/FA/FAF157 |
ф120 |
ф120 |
270 |
660 |
11-160 |
4-190 |
18000 |
Company profile
Scenario
Packing
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. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Agricultural Machinery |
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| Hardness: | Hardened Tooth Surface |
| Installation: | M1-M6 |
| Samples: |
US$ 1152/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Customization of Speed Reducer Gearboxes for Specific Industrial Needs
Yes, speed reducer gearboxes can be customized to meet specific industrial requirements. Manufacturers offer various customization options to ensure that the gearboxes align with the unique needs of different applications:
- Design Flexibility: Manufacturers can modify the design of speed reducer gearboxes to accommodate specific space constraints, mounting arrangements, and input-output shaft configurations.
- Gear Ratio Selection: Custom gear ratios can be selected to optimize the speed reduction or increase for a particular application, allowing for tailored torque and speed requirements.
- Material Selection: Gearbox components can be crafted from different materials based on factors such as corrosion resistance, temperature tolerance, and load-bearing capacity.
- Sealing and Protection: Customized sealing solutions, such as IP-rated enclosures and specialized gaskets, can be integrated to enhance protection against dust, moisture, and harsh environments.
- Lubrication Systems: Gearboxes can be equipped with specialized lubrication systems to ensure consistent and efficient lubrication in specific operating conditions.
- Accessories and Attachments: Manufacturers can add accessories like external cooling fans, temperature sensors, and mounting flanges to enhance gearbox performance and monitoring.
- Compliance with Standards: Customized gearboxes can be designed to meet industry-specific standards, certifications, and safety requirements.
By collaborating with manufacturers and providing detailed specifications, industries can obtain speed reducer gearboxes that are tailor-made to their specific needs, ensuring optimal performance and reliability in their applications.

Factors to Consider When Selecting the Right Speed Reducer Gearbox
Choosing the appropriate speed reducer gearbox for an application involves considering several key factors to ensure optimal performance and efficiency. Here are the factors to take into account:
Torque and Speed Requirements: Determine the required torque output and speed reduction or increase for your specific application. Select a gearbox that can handle the desired torque and provide the necessary speed output.
Ratio: The gear ratio determines the relationship between input and output speeds. Choose a gearbox with the appropriate gear ratio to achieve the desired speed reduction or increase.
Efficiency: Consider the efficiency of the gearbox, as higher efficiency results in less energy loss and heat generation. Choose a gearbox with a high efficiency rating for improved energy savings.
Load Type: Identify whether the application involves constant, intermittent, or shock loads. Different gearbox designs are better suited for specific load types.
Space and Mounting Constraints: Evaluate the available space for installing the gearbox and ensure that the selected design fits within the allotted area. Consider mounting options and alignment requirements.
Environmental Conditions: Take into account factors such as temperature, humidity, dust, and corrosive environments. Choose a gearbox with appropriate sealing and protection to withstand the operating conditions.
Service Life and Maintenance: Consider the expected service life of the gearbox and its maintenance requirements. Select a gearbox with durable components and minimal maintenance needs.
Backlash: Backlash refers to the amount of play or clearance between gear teeth. Depending on the application’s precision requirements, choose a gearbox with low backlash for accurate motion control.
Noise and Vibration: Some applications require low noise and vibration levels. Choose a gearbox with features to minimize noise and vibration if necessary.
Cost: Factor in the cost of the gearbox and its long-term operational expenses. Balance the initial investment with the expected benefits and performance improvements.
Compatibility: Ensure that the gearbox is compatible with the existing components and systems in your application.
Manufacturer and Supplier: Choose a reputable manufacturer or supplier with a track record of delivering high-quality, reliable gearboxes.
By carefully considering these factors, you can select the right speed reducer gearbox that meets the specific requirements of your application, ensuring efficient and reliable operation.

How do Speed Reducer Gearboxes Contribute to Reducing Rotational Speed and Increasing Torque?
Speed reducer gearboxes play a critical role in mechanical systems by achieving the dual objectives of reducing rotational speed and increasing torque. This fundamental function is accomplished through the intricate interaction of different types of gears within the gearbox.
At its core, a speed reducer gearbox consists of multiple gears with varying sizes and configurations. The gears are arranged in specific sequences to create gear trains that manipulate the input speed and torque to achieve the desired output characteristics.
The reduction of rotational speed is achieved through gear train arrangements that involve gear pairs with different numbers of teeth, commonly known as gear ratios. When an input shaft connected to a higher-speed power source engages with a gear of smaller size, it drives a larger gear connected to the output shaft. This gear reduction process results in a lower rotational speed at the output shaft compared to the input shaft. The change in gear size and ratio effectively converts the input speed into a reduced output speed.
Simultaneously, the interaction of gears in the speed reducer gearbox leads to an increase in torque. As the input torque is distributed across the gear train, the larger gear driven by the smaller gear experiences a higher force at its teeth. This force is transmitted through the gears, leading to a torque amplification at the output shaft. In other words, the output torque is greater than the input torque due to the mechanical advantage gained from the gear arrangement.
The combination of gear reduction and torque amplification allows speed reducer gearboxes to match the requirements of various applications. Industries such as manufacturing, material handling, automotive, and robotics benefit from this functionality. For instance, in conveyor systems, the gearbox reduces the high-speed motor rotation to a suitable speed for smoothly transporting materials, all while providing the necessary torque to handle loads efficiently.
In summary, speed reducer gearboxes utilize gear ratios and interactions to effectively lower rotational speed while increasing torque. This capability is instrumental in optimizing the performance of mechanical systems across diverse industrial sectors.


editor by CX 2024-01-09