Product Description
Co-Rotating Underwater Pelletizing SHTDN75 Twin-Screw extruder gearbox
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SHTDN Twin Screw Extruder Gearbox Introduction
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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 extruder, SHTDN gearboxes are meticulously designed with top advanced designing ideas in the world for co-orientated rotating twin screw extruder, 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 extruder, 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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Features:
—-Double drive design enables the B axis to be driven by 2 gears without increasing the tooth width.
—-Optimal structure and complex assembly lead to the cost rise.
—-All bearings are sourced from global recognized brands,so output torque is more stable.
—Streamlined design,the end of gearbox cover can be opened,easy to install and replace.
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SHTDN Twin Screw Extruder Gearbox Parameters
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SHTDN Gearbox Power&Torque Table | ||||||||
Model | CD(MM) | Torque Grade(T/A3) | RPM 300r/min | RPM 400r/min | RPM 500r/min | RPM 600r/min | RPM 800r/min | RPM 900r/min |
SHTD20N | 18 | <13 | — | — | — | 7.5kw | 11kw | — |
SHTD25N | 22 | <13 | — | — | 11kw | 15kw | 18.5kw | 22kw |
SHTD30N | 26 | <13 | — | — | — | 22kw | 30kw | 37kw |
SHTD35N | 30 | <13 | 18.5kw | 22kw | 30kw | 37kw | 50kw | 60kw |
SHTD40N | 34.5 | <13 | 30kw | 45kw | 55kw | 65kw | 90kw | 90kw |
SHTD50N | 42 | <13 | 55kw | 75kw | 90kw | 110kw | 132kw | 160kw |
SHTD52N | 43 | <13 | 55kw | 75kw | 90kw | 110kw | 132kw | 160kw |
SHTD58N | 48 | <13 | 90kw | 110kw | 132kw | 160kw | 220kw | 250kw |
SHTD65N | 52 | <13 | 110kw | 132kw | 160kw | 220kw | 280kw | 315kw |
SHTD75N | 60 | <13 | 160kw | 220kw | 250kw | 315kw | 450kw | 500kw |
SHTD85N | 67.8 | <13 | 220kw | 315kw | 400kw | 500kw | 600kw | 650kw |
SHTD95N | 78 | <13 | 350kw | 450kw | 550kw | 650kw | 900kw | 1000kw |
SHTD110N | 92 | <13 | 560kw | 710kw | 900kw | 1000kw | — | — |
SHTD125N | 100 | <13 | 800kw | 1000kw | 1250kw | 1400kw | — | — |
SHTD135N | 110 | <13 | 1000kw | 1400kw | 1600kw | 2000kw | — | — |
SHTD150N | 120 | <13 | 1320kw | 1750kw | — | — | — | — |
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Production Process
Packing&Delivery
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Packing Details:Â According to your order quantity packaging,shipping wooden boxes,air carton.
Delivery Details:Â 5-60days after order.
1.Rust-proof oil processing, Â Â Â Prevent rust in transit. |
2.Oiled paper packages, Â Â Â Prevent oil dry. |
3.Bubble wrap package, Â Â Â Prevent collosions. |
4.Special foam packaging. | 5.Packing | 6.Sealing |
Our Service
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24-hour Hotline  No matter when and where to call we can find our service to you.   |
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. |
 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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FAQ
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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.
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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.
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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.
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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 |
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Function: | Speed Reduction |
Layout: | Double Drive Gearbox |
Hardness: | Hardened Tooth Surface |
Installation: | Horizontal Type |
Step: | Three-Step |
Customization: |
Available
| Customized Request |
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Can a Worm Gearbox be Used for High-Speed Applications?
Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:
- Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
- Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
- Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
- Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.
While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.
Diagnosing and Fixing Oil Leakage in a Worm Gearbox
Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here’s a step-by-step process to diagnose and fix oil leakage:
- Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
- Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
- Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
- Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
- Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
- Examine Shaft Seals: Check the shaft seals for wear or damage. If they’re worn out, replace them with seals of the appropriate size and material.
- Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
- Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer’s instructions for proper application.
- Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
- Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.
If you’re unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.
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 2023-11-16