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
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| Application: | Motor, Agricultural Machinery, Ceramic |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical or Horizotal Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary Conedisk Friction Type |
| Step: | Stepless |
| Customization: |
Available
| Customized Request |
|---|
Controlling Speed and Torque Output in a Variable Gearbox
In a variable gearbox, the speed and torque output are controlled by adjusting the transmission’s gear ratio. This is achieved through the manipulation of the pulley diameters in a Continuously Variable Transmission (CVT) or the swivel angle of the vanes in a hydrostatic transmission.
In a CVT, the pulley system consists of a primary pulley connected to the engine and a secondary pulley connected to the output shaft. By changing the effective diameter of these pulleys using hydraulic pressure or mechanical mechanisms, the gear ratio can be continuously adjusted. As the primary pulley diameter increases, the secondary pulley diameter decreases, and vice versa. This change in pulley diameters alters the gear ratio, affecting the speed and torque output.
In a hydrostatic transmission, the speed and torque output are controlled by adjusting the swivel angle of the vanes in the hydraulic pump and motor. When the swivel angle changes, the volume of fluid being pumped between the two components also changes, affecting the output speed and torque. This type of transmission offers stepless control of the gear ratio, making it suitable for applications that require precise speed and torque adjustments.
Preventing Overheating in a Variable Gearbox System
Preventing overheating in a variable gearbox system is crucial to ensure its optimal performance and longevity. Here are some measures to prevent overheating:
- Cooling Systems: Implement effective cooling systems, such as oil coolers or air-cooling mechanisms, to dissipate heat generated during operation.
- Lubrication: Use high-quality lubricants that can withstand high temperatures and provide proper lubrication to reduce friction and heat buildup.
- Monitoring: Install temperature sensors or gauges to monitor the gearbox’s temperature during operation. This enables timely detection of overheating issues.
- Proper Maintenance: Regularly inspect and maintain the gearbox, including checking for leaks, ensuring proper oil levels, and addressing any signs of wear or damage.
- Efficient Design: Design the gearbox with features that promote efficient heat dissipation, such as finned casings or optimized airflow channels.
- Load Management: Avoid overloading the gearbox beyond its designed capacity, as excessive loads can lead to increased heat generation.
- Operating Conditions: Ensure the gearbox operates within its specified temperature and load limits. Avoid prolonged operation at high speeds or loads that could cause overheating.
By implementing these measures, you can help prevent overheating in a variable gearbox system and ensure its reliable performance over time.
Variable Gearbox: Function and Operation
A variable gearbox is a transmission system that allows for continuously adjustable gear ratios, enabling optimal power transfer across various speeds. It employs mechanisms like CVTs (Continuously Variable Transmissions) or e-CVTs (Electronically Controlled CVTs) that use belts, pulleys, or gears to maintain a seamless range of gear ratios without discrete shifts. This design offers smooth acceleration, improved fuel efficiency, and adaptive performance. By altering the effective gear ratio based on the engine’s power and vehicle’s speed, a variable gearbox ensures the engine operates within its optimal efficiency range, enhancing overall driving experience and efficiency.
editor by CX 2024-04-16