Product Description
JWB Series Speed Variator
1. Features:
JWB-X type
- Sizes: ≥04
- Power up to 1.5 kW or more
- Cases in RAL 5571 blue cast iron
- Shafts: case hardened and tempered steel.
- Internal components: heat-treated steel
- Output speed with 4 pole(1400r/min) motors: 2-10r/min;4.7-23.5r/min;15-75r/min;20-100r/min, 28-140r/min, 30-150r/min;40-200r/min;60-300r/min;80-400r/min;100-500r/min;190-950r/min.
- Output Torque value max 1002Nm
- Silent, vibration-free running
- Bidirectional rotation
- Control handwheel positionable on either side
- Slipping speed to max load at 5%
- Regulation sensibility: 0,5 rpm
- Painted with blue epoxy-polyester powder
JWB-X B type
- Sizes:01,02,03 and 04
- Power up to 1.5 kW or less
- Cases in die-cast aluminium alloy
- Shafts: case hardened and tempered steel.
- Internal components: heat-treated steel
- Output speed with 4 pole(1400r/min) motors: 2r/min-20r/min;4.7r/min-23.5r/min;6.5-32.5r/min, 8-40r/min, 9-45r/min, 13-65r/min, 15r/min-75r/min;18-90r/min, 25-125r/min, 28r/min-140r/min;40r/min-200r/min;60r/min-300r/min;80r/min-400r/min;100r/min-500r/min;190r/min-950r/min.
- Output Torque value max 795 Nm
- Silent, vibration-free running
- Bidirectional rotation
- Control hand wheel positionable on either side
- Slipping speed to max load at 5%
- Regulation sensibility: 0,5 rpm
- Painted with blue epoxy-polyester powder
2. Technical parameters
| Type | Output Torque | Output Shaft Dia. | Output Speed Range | 2rpm-950rpm | |
| SWB01 | 2.6-1.6N.m | φ11 | Applicable Motor Power | 0.18kW-7.5kW | |
| SWB02 | 258-1.8N.m | φ14,φ24,φ28,φ32 | |||
| SWB03 | 426-4N.m | φ24,φ28,φ38 | Input Options | With Inline AC Motor | |
| SWB04 | 795-8N.m | φ28,φ38,φ42 | With IEC Motor | ||
| SWB05 | 535-16N.m | φ38,φ48,φ55 | With Input Shaft | ||
| SWB06 | 1002-40N.m | φ42,φ55,φ70 | With Input Flange | ||
About Us
ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
Starshine have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.
Our Team
Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value
3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective
measures to prevent recurrence.
4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.
5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of
customer expectations and needs.
6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the
product is a product inspection to determine the qualified products.
7. Certification.
Packing
Delivery
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Type: | Planetary Gear Box |
| Gearing Arrangement: | Worm |
| Customization: |
Available
| Customized Request |
|---|
Can variator gearboxes be used for both speed reduction and speed increase?
Yes, variator gearboxes are versatile and can be used for both speed reduction and speed increase applications. Their design allows for continuous and stepless adjustment of the gear ratio, enabling a wide range of speed variations in either direction. Here’s how variator gearboxes achieve speed reduction and speed increase:
Variator gearboxes utilize a mechanism called a variator, which consists of two cone-shaped pulleys connected by a belt or chain. These pulleys can move closer or farther apart, effectively changing the effective diameter of the pulley and thus the gear ratio. By adjusting the distance between the pulleys, the gear ratio can be continuously varied, resulting in different output speeds.
Speed Reduction:
When the variator gearboxes are used for speed reduction, the input speed is higher than the desired output speed. In this case, the variator mechanism adjusts the pulleys to create a smaller effective diameter on the output side. As a result, the output shaft rotates at a slower speed compared to the input shaft, achieving speed reduction. This speed reduction is useful in various applications where slower speeds are required, such as conveyors, industrial machinery, or vehicles that need lower operating speeds.
Speed Increase:
Variator gearboxes can also be used to increase the speed from the input to the output shaft. In this scenario, the input speed is lower than the desired output speed. The variator mechanism adjusts the pulleys to create a larger effective diameter on the output side. As a result, the output shaft rotates at a faster speed than the input shaft, achieving speed increase. Speed increase functionality is beneficial in applications such as certain types of machinery or vehicles that require higher operating speeds.
The ability of variator gearboxes to provide continuous and stepless adjustment of the gear ratio allows for precise control of the output speed, regardless of whether it needs to be reduced or increased. This flexibility makes variator gearboxes suitable for a wide range of applications where adjustable speed control is necessary.
It is worth noting that while variator gearboxes can provide a significant range of speed reduction and speed increase, they have limitations in terms of the maximum and minimum achievable ratios. The specific capabilities of a variator gearbox depend on its design, size, and intended application. It is important to consult the manufacturer’s specifications and guidelines to ensure that a particular variator gearbox is suitable for the desired speed reduction or speed increase requirements.
Can variator gearboxes be customized for specific speed and torque ranges?
Yes, variator gearboxes can be customized to meet specific speed and torque requirements in various applications. Manufacturers offer the flexibility to design and configure variator gearboxes according to the specific needs of customers. Here’s how variator gearboxes can be customized for specific speed and torque ranges:
Variable Pulley Design:
The design of the variable pulley system in a variator gearbox can be customized to achieve desired speed and torque ranges. The shape, size, and configuration of the pulleys can be adjusted to provide different gear ratios and accommodate specific application requirements. By modifying the pulley’s dimensions and angles, variator gearboxes can achieve a wide range of speed ratios and corresponding torque outputs, allowing customization for specific speed and torque ranges.
Selection of Components:
Manufacturers can select and optimize various components within the variator gearbox to match specific speed and torque ranges. This includes the choice of materials for gears, bearings, and other critical components. By selecting appropriate materials, manufacturers can ensure that the variator gearbox can handle the required torque levels without compromising its durability and performance.
Torque-Sensing and Control Systems:
The torque-sensing and control systems within variator gearboxes can be customized to provide precise control over speed and torque. Manufacturers can incorporate sensors and control algorithms that are tailored to the specific speed and torque requirements of an application. These systems monitor the torque load and adjust the gear ratio accordingly to maintain the desired speed and torque output, allowing for customization within specific ranges.
Applications in Parallel or Series:
In some cases, multiple variator gearboxes can be configured in parallel or series to achieve the desired speed and torque ranges. By combining the outputs of multiple variator gearboxes, either in parallel or series arrangement, the overall speed and torque capabilities can be customized to meet specific application requirements. This configuration allows for scalability and adaptability to different speed and torque demands.
Computer-Aided Design (CAD) and Simulation:
Manufacturers utilize computer-aided design (CAD) software and simulations to customize variator gearboxes for specific speed and torque ranges. CAD tools enable the design and optimization of components, ensuring they can withstand the required torque levels and operate within the desired speed ranges. Simulations help manufacturers evaluate the performance of the customized variator gearbox under different operating conditions, allowing for fine-tuning and optimization.
Collaboration with Customers:
Manufacturers work closely with customers to understand their specific speed and torque requirements. By collaborating with customers, manufacturers can gather detailed information about the application’s operational parameters, load profiles, and performance expectations. This collaborative approach ensures that the variator gearbox is customized to precisely match the speed and torque ranges needed for the application.
Through variable pulley design, component selection, torque-sensing and control systems, parallel or series configurations, CAD and simulation tools, and collaboration with customers, variator gearboxes can be customized to deliver specific speed and torque ranges. This customization capability allows variator gearboxes to be tailored to a wide range of industrial applications, ensuring optimal performance and efficiency.
What is a variator gearbox and how does it work in mechanical systems?
A variator gearbox, also known as a variable speed transmission, is a type of gearbox that allows for continuous and stepless variation of the output speed within a certain range. It is commonly used in mechanical systems where the output speed needs to be adjusted dynamically without fixed gear ratios. The variator gearbox achieves this by employing specific mechanisms such as belts, chains, or cones.
One common type of variator gearbox is the belt-and-pulley system. It consists of two variable-diameter pulleys connected by a belt. These pulleys can change their effective diameter by adjusting their position. The input pulley is connected to the power source, such as an engine or motor, while the output pulley is connected to the load. By varying the diameters of the pulleys, the speed ratio between the input and output can be continuously adjusted, allowing for a wide range of output speeds.
The variator gearbox works based on the principle of changing the effective radius of the pulleys. When the input pulley diameter increases or the output pulley diameter decreases, the belt is forced to ride higher on the pulley, resulting in a larger effective radius. This causes the output speed to decrease relative to the input speed. Conversely, when the input pulley diameter decreases or the output pulley diameter increases, the belt rides lower on the pulley, leading to a smaller effective radius and an increase in the output speed.
The variator gearbox can be controlled manually or automatically, depending on the application. In manual systems, the adjustment of the pulley diameters is done by the operator using mechanical or hydraulic mechanisms. In automatic systems, the adjustment is typically controlled by a computer or an electronic control unit (ECU) based on various parameters such as speed, load, or user inputs.
One of the key advantages of variator gearboxes is the ability to achieve smooth and stepless speed variation. Unlike traditional gearboxes with fixed gear ratios, variator gearboxes offer infinite possibilities for adjusting the output speed. This flexibility is particularly beneficial in applications where precise control of speed is required, such as in vehicles, industrial machinery, and power transmission systems.
However, it’s important to note that variator gearboxes may have limitations in terms of torque capacity and efficiency compared to traditional fixed-ratio gearboxes. The power transmission efficiency of variator gearboxes can vary depending on the specific design and operating conditions.
In summary, a variator gearbox is a type of gearbox that allows for continuous and stepless variation of the output speed. It uses mechanisms such as belts, chains, or cones to adjust the effective diameter of the pulleys, enabling dynamic speed control in mechanical systems.
editor by CX 2024-04-17