Descrição do produto
Descrição do produto
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 | ||||||||
| Modelo | 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. |
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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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Perguntas frequentes
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.
| Aplicativo: | Machinery |
|---|---|
| Função: | Speed Reduction |
| Layout: | Double Drive Gearbox |
| Dureza: | Superfície dentária endurecida |
| Instalação: | Tipo horizontal |
| Etapa: | Three-Step |
| Personalização: | Disponível | Solicitação personalizada |
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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.
Eficiência energética de uma caixa de engrenagens helicoidais: o que esperar
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
- Faixa de eficiência típica: As caixas de engrenagens helicoidais são conhecidas por seu tamanho compacto e alta capacidade de redução de engrenagens, mas podem apresentar menor eficiência energética em comparação com outros tipos de caixas de engrenagens. A eficiência de uma caixa de engrenagens helicoidais normalmente varia de 50% a 90%, dependendo de diversos fatores, como projeto, qualidade de fabricação, lubrificação e condições de carga.
- Perdas inerentes: As caixas de engrenagens helicoidais envolvem inerentemente contato deslizante entre o parafuso sem-fim e a coroa. Esse contato deslizante gera atrito, resultando em perdas de energia na forma de calor. A ação deslizante também contribui para uma menor eficiência quando comparada às caixas de engrenagens com contato rolante.
- Design em forma de serpentina helicoidal: Alguns fabricantes oferecem projetos de caixas de engrenagens helicoidais-sem-fim que combinam elementos de engrenagens helicoidais e sem-fim. Esses projetos visam melhorar a eficiência incorporando engrenagens helicoidais no estágio de redução, o que pode levar a uma maior eficiência em comparação com as caixas de engrenagens sem-fim tradicionais.
- Lubrificação: A lubrificação adequada desempenha um papel significativo na minimização do atrito e na melhoria da eficiência energética. O uso de lubrificantes de alta qualidade e a garantia de que a caixa de engrenagens esteja adequadamente lubrificada podem ajudar a reduzir as perdas por atrito.
- Considerações sobre a candidatura: Embora as caixas de engrenagens helicoidais possam ter menor eficiência energética em comparação com outros tipos de caixas de engrenagens, elas ainda oferecem vantagens em termos de compacidade, alta transmissão de torque e simplicidade. Portanto, a decisão de usar uma caixa de engrenagens helicoidais deve considerar os requisitos específicos da aplicação, incluindo o equilíbrio entre eficiência energética e outros fatores de desempenho.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
Preventing Backlash in a Worm Gearbox
Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:
- High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
- Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
- Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
- Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
- Lubrificação: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
- Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.
It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.
editor by CX 2023-11-15