Product Description
Product Description
Twin Screw Extruder Twin Screw Gearbox High Torque Gearbox
Twin Screw Gearbox Features
— High Speed
—Triaxiality parallel design improve B axis bearing capacity.
—Challengling manufacture and convenient assemply.Higher 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, SHTDN 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.
SHTDN High Torque Gearbox Data Table
SHTDN Gearbox Power&Torque Table |
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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 |
— |
— |
— |
— |
Production Process
Packing&Delivery
Packing Details: According to your order quantity packaging,shipping wooden boxes,air carton.
Delivery Details: 5-60days after order.
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 |
Our Service
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
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 |
---|---|
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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Self-Locking Properties in a Worm Gearbox
Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.
The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.
This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.
However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.
When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.
Worm Gearbox vs. Helical Gearbox: A Comparison
Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:
Aspect | Worm Gearbox | Helical Gearbox |
Efficiency | Lower efficiency due to sliding friction between the worm and worm wheel. | Higher efficiency due to rolling contact between helical gear teeth. |
Torque Transmission | Excellent torque transmission and high reduction ratios achievable in a single stage. | Good torque transmission, but may require multiple stages for high reduction ratios. |
Noise and Vibration | Generally higher noise and vibration levels due to sliding action. | Lower noise and vibration levels due to smoother rolling contact. |
Backlash | Higher inherent backlash due to the design. | Lower backlash due to meshing of helical teeth. |
Efficiency at Higher Speeds | Less suitable for high-speed applications due to efficiency loss. | More suitable for high-speed applications due to higher efficiency. |
Overload Protection | Natural self-locking feature provides some overload protection. | May not have the same level of inherent overload protection. |
Applications | Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. | Widely used in various applications including automotive transmissions, industrial machinery, and more. |
Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.
What Industries Commonly Use Worm Reducers?
Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:
- Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
- Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
- Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
- Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
- Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
- Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
- Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
- Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
- Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
- Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.
Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.
editor by CX 2023-10-30