Product Description
Reliability
DT14 adopts a fully helical gear and planetary gearbox structure, with low noise and strong load-bearing capacity;
The pressure resistance and overheating resistance of the friction material of the synchronizer are leading domestically, and the lifespan of the synchronizer has been extended to match that of the gearbox assembly;
The DT14 assembly has undergone 2 million kilometers of road validation, and the B10 has a lifespan of 1.6 million kilometers. The entire series can be equipped with hydraulic retarders to ensure driving safety.
Convenience
Single H control of the top cover and front and rear auxiliary box pneumatic shift mode, achieving step-by-step gear shifting and jumping operation, with clear gear positions and convenient operation;
Self enhancing double cone synchronizer reduces shifting force by 2-3 times compared to synchronizers of the same level, making shifting more lightweight and giving a sedan like feel;
The ultra long oil change cycle of 300000 kilometers is at the leading level in the industry, making it easier for users to use.
High efficiency
Adopting a dual lubrication method of active lubrication and splash lubrication to lubricate key components such as bearings, synchronizers, and gears, providing more complete lubrication and lower friction losses;
By using an independent external oil cooling system, the problem of high temperature of the gearbox assembly in special road conditions (climbing long slopes) is avoided, ensuring stable operation of components, higher transmission efficiency, and prolonging oil change HangZhouage and gearbox service life.
| Transmission product characteristic parameters | |
| Torque (N · m) | 2000-3200 |
| Transmission efficiency | 97.4% |
| Noise (dB) | 86 |
| Net weight (kg) | 302 |
| Oil change HangZhouage (km) | 300 thousand |
| Speed ratio | DD/OD(DD:1-16.41,3.22-15.06 OD:0.8-13.16,2.58-12.09) |
| B10 Durability (km) | 1 million 200 thousand |
Here’s why our products stand out:
1. Extensive Product Range: We offer a diverse selection of buses, school buses, andspecial purpose vehicles to cater to various transportation needs. Whether yourequire standard buses for public transport, specialized school buses withenhanced safety features, or custom-built special purpose vehicles for specificapplications, we have a solution to meet your requirements.
2. Superior Quality and Reliability: Our vehicles are manufactured to the highestindustry standards, ensuring exceptional quality, reliability, and longevity. Wecollaborate with reputable manufacturers and conduct rigorous quality controlchecks to deliver products that exceed customer expectations. Our commitmentto CHINAMFG is reflected in every vehicle we offer.
3. Cutting-Edge Technology: We incorporate advanced technologies andinnovations into our vehicles to enhance performance, efficiency, and safety.From fuel-efficient engines and intelligent control systems to state-of-the-art
safety features and eco-friendly designs, our products are at the forefront ofautomotive technology.
4. Customization Options: We understand that every client has unique needs ancpreferences, Therefore, we provide customization options to tailor our vehiclesaccording to specific requirements. Whether it’s seating capacity, interiorconfigurations, accessibility features, or branding elements, we work closely withour clients to deliver personalized solutions.
5. Focus on Safety: Safety is our top priority. Our school buses are designed withcomprehensive safety features, including reinforced structures, advanced brakincsystems, and integrated safety technologies. We prioritize passenger and driversafety to provide peace of mind for both educational institutions and parents.
6. Exceptional After-Sales Service: Our commitment to customer satisfactionextends beyond the purchase. We provide reliable after-sales service andsupport, including spare parts availability, technical assistance, and maintenanceguidance. Our dedicated team ensures that our customers receive prompt andefficient service throughout the ownership lifecycle.
FAQ
1.What do you need to provide a quote?
Please kindly send us the drawing of your product. Details below should be included,
A.Materials B. Surface Finish C. Tolerance D. Quantity
(Please be noted that these are essential for our quoting. We couldn’t quote the specific
price without any of them.).
2.When can I get the price?
Our professional sales team will feedback your RFQ within 12hours, and give you the Quotation within 48hours max. if the drawing and specification is all in details.
3.How can I get the sample to check your quality?
After price confirmation, you can require for samples to check our product’s quality. If you just need a blank sample to check the manufacturing quality, we will provide you sample after the sample order confirmed.
4.What’s the lead time for Mould and samples ?
For normal project, we can complete Mould and supply the 1st article sample within 30 to 40days.
For urgently project, we can complete the Mould and Sample within 20days max.
5.What’s the payment terms for Order ?
For Mould/tooling and sample : 50% deposit pay by Order, rest 50% pay after sample approval.
For production Order for new Customers : we request 30% down payment, rest 70% pay by copy of Original B/L copy. For long lasting regular customer, we can give better payment terms, such as 100% pay after delivery or by B/L copy.
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| After-sales Service: | 1 Year |
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| Warranty: | 1 Year |
| Certification: | TUV, GS |
| Torque (N · M): | 2000-3200 |
| Transmission Efficiency: | 97.4% |
| Noise (dB): | 86 |
| Customization: |
Available
| Customized Request |
|---|
Is it Possible to Reverse the Direction of a Worm Gearbox?
Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:
- Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
- Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
- Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
- Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
- Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.
If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.
Materials Used for Worm Gears
Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:
- Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
- Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
- Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
- Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
- Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
- Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.
The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.
Can a Worm Gearbox Provide High Torque Output?
Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.
The torque output of a worm gearbox is influenced by several factors:
- Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
- Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
- Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
- Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
- Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.
Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.
editor by CX 2024-04-22
China factory Extrusion Parts High Rpm Transmission Reduction Gear Box for Twin Screw Extruder Gear Housing with high quality
Product Description
Middle Torque Twin Screw Gearbox For Extruder Machine
Twin Screw Gearbox Features
— High Speed
—Triaxiality parallel design improve B axis bearing capacity.
—Simple manufacture and convenient assemply.Lower the cost.
—Modular structure design achieve 2 kinds of gearbox torque grade.
Twin Screw Gearbox Introduction
Twin Screw Gearbox adopting latest standard ISO1328,the precision of cylindrical gear of spherical involute, and combining our long term experience and specialty of twin-screw extruders, TDSN gearboxes are meticulously designed with top advanced designing ideas in the world for co-orientated rotating twin-screw extruders, with entirely independent Intellectual Property Rights.
The gears are made of carburizing steel of high-strength alloy of good quality by carburizing and quenching for teeth, of which all the gear grinding processes are finished by imported gear grinding machines. Gear parameters are optimized and specially designed for the characteristics of twin screw extruders, reducing stress concentration on root of gear and improving gear surface conditions. We have improved gear intension of flexural fatigue, fatigue strength and ratio of wide diameter. We have also adopted the latest designing idea and technology of heating treatment for the structure of gears, thereby ensured gears from uniformity of precision and strength.
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Production Process
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NO.1 Workblank
Select high quality and hardness of ductile iron material. |
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NO.2 Rough Machining
Mang sets of rough machining equipment,such as Gantry-type milling,Radial drill,etc.Realized the blank shape and the inner hole of rough maching. |
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NO.3 Finish Machining
Many sets of finishing equipment,such as CNC Grinding Machine,NC Boring Machine,etc.Further processing of each working procedure,the accuracy is higher,only you. |
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NO.4 Strong assembly and R&D team,the parts will be assembled according to the drawing,step by step audit,by running test after product finished.
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| NO.5 Gearbox Inspection High-end testing equipment and instruments,processional inspection team,the gearbox shape,center distance,inner hole and into the next procedure,after inspection and correct. |
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NO.6
Delivery
Before leaving the factory,in addition to anti-rust paint,white paint will also be made(color number can also be provided). |
Our Service
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24-hour Hotline
No matter when and where to call we can find our service to you.
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Pre-sales Consultation
We have 5 sales people online, and whether you have any question can be solved through online communication,welcome your consultation. |
After-sales Services
Receive products have any questions about the product, can look for us,we will help you deal with the the first time,to your satisfaction. |
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All ZT keep pay attention to every step of the details,We are looking CHINAMFG to the forge ahead together with you!
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Packing&Delivery
Packing Details: According to your order quantity packaging,shipping wooden boxes,air carton.
Delivery Details: 5-40days after order.
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1.Rust-proof oil processing, Prevent rust in transit. |
2.Oiled paper packages, Prevent oil dry. |
3.Bubble wrap package, Prevent collosions. |
| 4.Special foam packaging. | 5.Packing | 6.Sealing |
FAQ
How long does it take to get my products since I paid for them?
—According to yout order quantity,we will give you a reasonable delivery date.
Can I get the warranty of 1 year for free?
—If you need the warranty,you should pay for it.If not,do not worry ,we have confidence in our products.
How is your after-sale service?
—You will get our help in time as long as you find something wrong about our produces.Believe us,you deserve the best.
How long will your product last?
—I am sorry that I can not accurately answer your question,which is quite different from your operation time,materials and materials.
| Application: | Machinery, Extrusion |
|---|---|
| Function: | Speed Reduction |
| Layout: | Double Drive Gearbox |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|
What are the Noise Levels Associated with Worm Gearboxes?
The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:
- Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
- Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
- Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
- Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
- Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
- Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.
It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.
How to Calculate the Input and Output Speeds of a Worm Gearbox?
Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:
- Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
- Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:
N2 = N1 / (Z1 * i)
Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)
It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.
Lubrication Requirements for a Worm Gearbox
Lubrication is crucial for maintaining the performance and longevity of a worm gearbox. Here are the key considerations for lubricating a worm gearbox:
- Type of Lubricant: Use a high-quality, high-viscosity lubricant specifically designed for worm gearboxes. Worm gearboxes require lubricants with additives that provide proper lubrication and prevent wear.
- Lubrication Interval: Follow the manufacturer’s recommendations for lubrication intervals. Regularly check the gearbox’s temperature and oil condition to determine the optimal frequency of lubrication.
- Oil Level: Maintain the proper oil level to ensure effective lubrication. Too little oil can lead to insufficient lubrication, while too much oil can cause overheating and foaming.
- Lubrication Points: Identify all the lubrication points on the gearbox, including the worm and wheel gear surfaces. Apply the lubricant evenly to ensure complete coverage.
- Temperature: Consider the operating temperature of the gearbox. Some lubricants have temperature limits, and extreme temperatures can affect lubricant viscosity and performance.
- Cleanliness: Keep the gearbox and the surrounding area clean to prevent contaminants from entering the lubricant. Use proper filtration and seals to maintain a clean environment.
- Monitoring: Regularly monitor the gearbox’s temperature, noise level, and vibration to detect any signs of inadequate lubrication or other issues.
Proper lubrication will reduce friction, wear, and heat generation, ensuring smooth and efficient operation of the worm gearbox. Always refer to the manufacturer’s guidelines for lubrication specifications and intervals.
editor by CX 2023-10-26