Product Description
Cast Iron R Series Helical Gearbox With Electric Motor
R series Helical gear reducer
1.Basic detail
Processing Equipments | Nile, Niles, Okuma, Mitutoyo machine |
Gear material | Low carbon high alloy steel |
Heat treatment | Carburising, Quenching, Gear Grinding |
2.Package and delivery
Small size: Standard export packing (carton and pallet);
Big size: Non-wood packing material carton or fumigated wood carton
Delivery: About 23 working days after receiving the prepayment
3.R series helical gear reducer
1). High modularization design
2). Transmission ratio: Fine division, wide scope.Â
3). Form of installation: The position to be installed is not limited.
4). High strength, compact.
5). Long service life
6). Low noise
7)Wide application:
specialize in Metallurgy, Sewage treatment, Chemical Industry, Pharmacy, Agriculture equipment and Oil industry.
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4. Mounting Type:
R(-) | RF | RS | RFS | RM |
 Foot-mounted | Flange-mounted | Foot-mounted and Shaft In-put | Flange-mounted and shaft input | Specially for stirrer |
5.Our Services:
1). Pre-sale services
Act as a good adviser and assistant of clients enable them to get rich and generous return on their investments
a.Select equipment model.
b.Design and manufacture products according to clients’ special requirement.
c. Train technical personal for clients
2). Services during the sale
a. Pre-check and accept products ahead of delivery.
b. Help clients to draft solving plans.
3). After-sale services
Provide considerate services to minimize clients’ worries.
a. Assist clients to prepare for the first construction scheme.
b. Train the first-line operators.
c. Take initiative to eliminate the trouble rapidly.
d. Provide technical exchanging.
6.Parameter
2 stage
Models | Output Shaft Dia. | Input Shaft Dia. | Power(kW) | Ratio | Max. Torque(Nm) |
R/RF18 | 20mm | – | 0.18~0.75 | 3.83~74.84 | 85 |
R/RF28 | 25mm | 16mm | 0.18~3 | 3.37~135.09 | 130 |
R/RF38 | 25mm | 16mm | 0.18~3 | 3.41~134.82 | 200 |
R/RF48 | 30mm | 19mm | 0.18~5.5 | 3.83~176.88 | 300 |
R/RF58 | 35mm | 19mm | 0.18~7.5 | 4.39~186.89 | 450 |
R/RF68 | 35mm | 19mm | 0.18~7.5 | 4.29~199.81 | 600 |
R/RF78 | 40mm | 24mm | 0.18~11 | 5.21~195.24 | 820 |
R/RF88 | 50mm | 28mm | 0.55~22 | 5.36~246.54 | 1550 |
R/RF98 | 60mm | 38mm | 0.55~30 | 4.49~289.6 | 3000 |
R/RF108 | 70mm | 42mm | 2.2~45 | 5.06~245.5 | 4300 |
R/RF138 | 90mm | 55mm | 5.5~55 | 5.51~223.34 | 8000 |
R/RF148 | 110mm | 55mm | 11~90 | 5.00~163.46 | 13000 |
R/RF168 | 120mm | 70mm | 11~160 | 8.77~196.41 | 18000 |
1 stage
Models | Output Shaft Dia. | Input Shaft Dia. | Power(kW) | Ratio | Max. Torque(Nm) |
RX/RXF38 | 20mm | 16mm | 0.18~1.1 | 1.6~3.76 | 20 |
RX/RXF58 | 20mm | 19mm | 0.18~5.5 | 1.3~5.5 | 70 |
RX/RXF68 | 25mm | 19mm | 0.18~7.5 | 1.4~6.07 | 135 |
RX/RXF78 | 30mm | 24mm | 1.1~11 | 1.42~5.63 | 215 |
RX/RXF88 | 40mm | 28mm | 3~22 | 1.39~6.44 | 400 |
RX/RXF98 | 50mm | 38mm | 5.5~30 | 1.42~5.82 | 600 |
RX/RXF108 | 60mm | 42mm | 7.5~45 | 1.44~6.65 | 830 |
RX/RXF128 | 75mm | 55mm | 7.5~90 | 1.56~6.47 | 11 |
7.Product picture:
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8.Product application :
9.Packing & Delivery:
10.Our company :
AOKMAN was founded in 1982, which has more than 36 years in R & D and manufacturing of gearboxes, gears, shaft, motor and spare parts.
We can offer the proper solution for uncountable applications. Our products are widely used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol market and various other types of machines with a strong presence in the international market.
AOKMAN has become a reliable supplier, able to supply high quality gearboxes.With 36 years experience, we assure you the utmost reliability and security for both product and services.
11.Customer visiting:
12.FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and FÂ series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1Â Set
If you are interested in our product, welcome you contact me.
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Application: | Machinery, Industry |
---|---|
Hardness: | Hardened |
Installation: | Horizontal Type |
Layout: | Coaxial |
Gear Shape: | Helical Gear |
Step: | Double-Step |
Customization: |
Available
| Customized Request |
---|
Advancements in Helical Gearbox Technology
Advancements in helical gearbox technology have led to improved performance, efficiency, and versatility. Here are some notable advancements:
- Material Innovations: The use of advanced materials, such as high-strength alloys and composites, has enhanced the durability and load-carrying capacity of helical gears. These materials also contribute to reduced weight and improved efficiency.
- Precision Manufacturing: Modern manufacturing techniques, including CNC machining and gear grinding, have enabled the production of helical gears with higher accuracy and tighter tolerances. This results in smoother operation and reduced noise levels.
- Gear Tooth Profile Optimization: Advanced computer simulations and modeling techniques allow for the optimization of gear tooth profiles. This results in better load distribution, reduced stress concentration, and improved overall gearbox efficiency.
- Lubrication and Cooling: Improved lubrication systems and cooling mechanisms help maintain optimal operating temperatures and extend the lifespan of helical gearboxes. This is particularly important for high-demand applications.
- Noise and Vibration Reduction: Innovative designs and precision manufacturing techniques have led to helical gears with reduced noise and vibration levels. This advancement is crucial for industries where noise reduction is a priority.
- Compact Design: Advancements in gear design and manufacturing have allowed for more compact and lightweight helical gearbox configurations, making them suitable for space-constrained environments.
- Integration with Electronics: Some modern helical gearboxes are designed for seamless integration with electronic control systems. This enables better monitoring, control, and optimization of gearbox performance.
- Customization: Advancements in manufacturing and design tools allow for greater customization of helical gearboxes to meet specific application requirements. This includes adapting gear ratios, sizes, and configurations.
In summary, advancements in helical gearbox technology have led to enhanced performance, durability, efficiency, and customization options. These innovations continue to make helical gearboxes a versatile and reliable choice for a wide range of industrial applications.
Considerations for Designing Helical Gearboxes for Heavy-Duty Applications
Designing helical gearboxes for heavy-duty applications requires careful consideration of various factors to ensure reliable and efficient operation under high loads and demanding conditions. Here are the key considerations:
- Load Capacity: Heavy-duty applications involve substantial loads. The gearbox must be designed to handle these loads while preventing premature wear and failure. Calculations of the load distribution, contact stresses, and material strength are crucial.
- Material Selection: High-strength and durable materials are essential for heavy-duty gearboxes. Alloy steels or special heat-treated materials are often chosen to provide the necessary strength and resistance to fatigue and wear.
- Gear Tooth Design: Optimal gear tooth profiles, such as optimized helix angles and tooth modifications, contribute to smoother engagement and reduced stress concentrations. This enhances the gearbox’s ability to handle heavy loads without excessive wear.
- Bearing Selection: Robust and high-capacity bearings are necessary to support the heavy loads and provide reliable shaft support. The bearings must be able to withstand both radial and axial forces generated during operation.
- Lubrication: Adequate lubrication is critical for heavy-duty gearboxes. Lubricants with high load-carrying capacity and extreme pressure properties are chosen to ensure proper lubrication under heavy loads and to reduce friction and wear.
- Heat Dissipation: Heavy-duty applications can generate significant heat due to friction and load. Efficient heat dissipation mechanisms, such as cooling fins or oil cooling, should be incorporated into the gearbox design to prevent overheating and thermal damage.
- Sealing: Effective sealing is necessary to prevent contaminants from entering the gearbox and to retain lubricants. Seals must be capable of withstanding the conditions of the application, including high loads, vibrations, and potential exposure to harsh environments.
- Efficiency: Although heavy-duty applications prioritize load capacity, achieving acceptable levels of efficiency is still important to minimize energy losses and heat generation. Proper gear tooth design and high-quality manufacturing contribute to better efficiency.
- Structural Integrity: The gearbox housing and components must be designed with structural integrity in mind. Rigidity and robustness are required to prevent distortion or failure of components under heavy loads.
- Reliability and Serviceability: Heavy-duty gearboxes should be designed with reliability and ease of maintenance in mind. Access to critical components, such as gears and bearings, for inspection and replacement is important to minimize downtime.
Conclusion: Designing helical gearboxes for heavy-duty applications involves a comprehensive approach that addresses load capacity, material selection, gear tooth design, lubrication, heat dissipation, sealing, efficiency, structural integrity, and serviceability. By carefully considering these factors, engineers can create gearboxes that deliver exceptional performance and longevity in demanding industrial settings.
Limitations and Disadvantages of Helical Gear Systems
While helical gear systems offer numerous advantages, they also come with certain limitations and disadvantages:
- Axial Thrust: Helical gears generate axial thrust due to the helix angle of the teeth. This thrust can cause additional load on bearings and may require additional measures to counteract.
- Complex Manufacturing: The manufacturing process for helical gears is more complex than that of straight-toothed gears, which can lead to higher production costs.
- Axial Length: Helical gears require more axial space compared to spur gears with the same gear ratio. This can be a limitation in applications with space constraints.
- Sliding Contact: Helical gears have sliding contact between their teeth, which can result in higher friction and more heat generation compared to rolling contact gears.
- Efficiency: Although helical gears are generally efficient, their efficiency can be slightly lower than that of some other gear types, especially at high speeds.
- Complexity in Gearbox Design: The inclination of helical gear teeth introduces additional complexity in gearbox design and alignment.
- Reverse Thrust: In some cases, reverse thrust can occur when helical gears are subjected to high axial loads, leading to undesirable effects.
It’s important to consider these limitations and disadvantages when selecting gear systems for specific applications. Despite these challenges, helical gears remain a popular choice in various industries due to their benefits and overall performance characteristics.
editor by CX 2024-02-05