Product Description
Model:R/RF17-167,RX/RXF37-157
Ratio:3.33-289.74
Input power:0.18KW-160KW
Permissible torque:up to 18000Nm
Mounting mode:foot-mounted, flange-mounted,input shaft or with various types of motor direct
Multi-level combination to achieve particularly low output speeds, mechanical efficiency of up to 96%.
Company Introduction
Get the right gearbox for your equipment.
PTT knows gearbox. As the leading industry gearbox manufacturer, PSS offers the best power transmission solutions to perfectly meet your specific industry application. On gearbox, CHINAMFG has a lot more to share.
We always satisfy all industries with our gearbox
PTT strives for 100% satisfaction from customers of all industries. We welcome challenges to offer tailored design or special solution to satisfy customers’ Special needs on applications. We like to make impossibility become possibility.
Key features
Turbine gearboxes and planetary gearboxes are our advantages. Most companies can only manufacture Helical Bevel gearboxes, and we have a strong design team that has now designed turbine gearboxes up to 70, 000 rpm.
Diversity
PTT offers a vast diversity of gear reducer, geared motor and gearbox. No doubt you are able to find what you need with PTT.
Reliability
PTT is a trustworthy manufacturer you can rely on, no matter in terms of quality, delivery, pricing, service, etc. It becomes our name tag during our history of servicing our customers.
Capability
PTT is able to manufacture 200, 000 sets of gear reducers yearly and keeps investing on development of new series product.
We have a large list of our satisfied clients
Among the large list of our satisfied clients, there are many trend-setting top brands in various industries.
Mian products
Helical Gear Units
Bevel-Helical Gear Units
ZYJ Series Gear Units
DY Series Gear Units
P Planetary Gear Units
MLX Series Mill Gear Units
High Speed Gear Units
Non-stand Gear Units
RFQ
Q:Are you trading company or manufacturer?
A: We are manufacturer with over 20 years’ experience.
Q: How long is your delivery time?
A: Generally it is within 10 days if the goods are in stock, for goods produced as per order, it is within 35 days after confirmation of order.
Q: How long should I wait for the feedback after I send the enquiry?
A: Normally within 12 hours.
Q: What information should I give you to confirm the product?
A: Model/Size, Transmission Ratio, Speed, Shaft directions & Order quantity etc.
Q: Hong long is your product warranty?
A: We offer 12 months warranty from departure date of the goods.
Q: What is your payment terms? T/T 100% in advance for amount less than USD10000.-, 30% T/T in advance , balance before shipment for amount above USD10000.
If you have any other questions, please feel free to contact us below:
HOW TO CONTACT US?
Send your Inquiry Details in the Below, click “Send” Now!
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| Application: | Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery |
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| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Customization: |
Available
| Customized Request |
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Shipping Cost:
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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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Operation of a Hydrostatic Variable Gearbox in Heavy Machinery
A hydrostatic variable gearbox, commonly found in heavy machinery, operates using a hydraulic transmission system to control speed and torque:
The key components of a hydrostatic variable gearbox include:
- Hydraulic Pump: Converts mechanical energy from the engine into hydraulic pressure.
- Hydraulic Motor: Converts hydraulic pressure back into mechanical energy to drive the machinery.
- Variable Displacement Pump: Allows for the adjustment of hydraulic fluid flow rate.
- Control Valves: Regulate the flow of hydraulic fluid to control the speed and direction of the machinery.
The gearbox operates as follows:
- The hydraulic pump draws in hydraulic fluid from a reservoir and pressurizes it.
- The pressurized hydraulic fluid is directed to the hydraulic motor, which converts it into mechanical energy to drive the machinery.
- The variable displacement pump allows the operator to adjust the amount of hydraulic fluid flow, thereby controlling the speed of the machinery.
- The control valves direct the flow of hydraulic fluid to control the direction of movement (forward or reverse) and the speed.
This system offers excellent control over the machinery’s speed and torque output. By adjusting the hydraulic fluid flow rate and the angle of the hydraulic motor’s swashplate, operators can achieve precise control over the heavy machinery’s movement and performance.
Suitability of Variable Gearboxes for High-Torque Applications
Variable gearboxes can be suitable for high-torque applications depending on their design and capabilities:
Some variable gearboxes, such as hydrostatic transmissions, are well-suited for heavy machinery and vehicles that require high torque at low speeds. These gearboxes use hydraulic systems to transmit power and can provide substantial torque output.
However, it’s essential to consider the specific design and construction of the variable gearbox. High-torque applications may require specialized components, robust construction, and efficient cooling systems to manage the heat generated during operation.
Hydrostatic variable gearboxes, for instance, can offer high torque at low speeds but may not be as efficient for high-speed applications due to their design limitations.
Ultimately, the suitability of a variable gearbox for high-torque applications depends on factors such as the gearbox’s design, the nature of the application, and the desired performance characteristics.
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 2024-03-26