Product Description
Overview
Product DescriptionÂ
Wide Selection of Gearbox Products
The gearbox usually adopts a general design scheme, but in special cases, the design scheme of the gearbox can be changed according to the demands of the user, and it can be modified into an industry-specific gearbox. In the design scheme of the gearbox, the parallel shaft, vertical shaft, general box, and various parts can be changed
Advantages
- Absorption of very high torques and axial forces
- No need for separate thrust housing & bearing.
- Easy alignment (screw directly fits into the vore of gear box)
- Easy to assemble & dismantle.
- Very heavy duty spherical roller thrust bearing is provided.
- Power saving. (you may save up to 20 % power.)
- Less requirement of space.
- For bigger sizes water cooling is providedÂ
- No maintenance required except periodic oil level checking.
- Higher productivityÂ
Features
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- Twin Screw Extruder Gearboxes offer the dual shaft counter rotating. The range is available for various center distances
- The gearboxes are available with co-rotating and counter rotating variants
- To work under heavy loading force, the high level dissipation and oil lubrication system are provided. The axial roller type swivel thrust with the thrust bearing coupled in tandem way support the axial thrust
- High torque and high speed output rate
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Processing Characteristics of Screw Shaft:
1.Suitable suggestion on material to ensure components performance and extend lifetime of products.
2.Professional technical team can provide surveying and mapping support.
3.All components are finished by CNC machine.
4.Sophisticated quality management system ensure superior quality.
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Basic Info.
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| Warranty: 1 year | Weight (KG): 500 KG |
| Place of Origin: HangZhou, China |
Gearing Arrangement: helical |
| ratio: 8-20 |
Output Torque: 2*176 Â |
| standard: JB/T8853-2001 |
Certificate: CE |
| Heat treatment: High-frequency Hardening |
Efficiency: 94%~98%(depends on the transmission stage) |
| Customized support:OEM ODM | Input/output shaft material 40Cr |
| Package: Wooden case  |
Mount position: Flange, hollow shaft, CZPT shaft |
| After-sale:Online 24/7 Installation Xihu (West Lake) Dis. | advantage: excellent quality |
| Reduction radio: 3:1 Â |
Mount Position: Horizontal Foot Mounted Vertical  |
| Input Speed: 1500 Â |
Output Speed: 500 Â |
Packaging & delivery
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Packing:Â wooden case packing |
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| Port: HangZhou Port | Â |
Applications
X helical gear units for double-screw extruders with parallel drive shafts and the same direction of screw rotation are used mainly in the manufacture of granulates and the refining of raw plastics. Other areas of application include:
- Paint and lacquer industry
- Washing agent industry
- Foodstuff industry (e.g. bread, pasta)
- Animal-feed industry (dog, cat other animal foodÂ
Maintenance of the gearbox of the dual-screw extruder
1. The gear box of the dual-screw extruder should be well-ventilated, and the working environment temperature should be within the range of 5-35 °C.
2. Always check the oil quantity of the gear lubricating oil in the box to ensure that the transmission parts in the box are well lubricated.
3. Pay attention to check the bearing parts of the box frequently. The oil temperature of the oil tank of the transmission box should not exceed 70 ºC during operation.
4. The newly put into use gearbox needs to replace the lubricating oil after 250 hours of operation. The oil change time depends on the state of the oil. It is recommended to replace it after 4000-8000 hours of operation or once a year.
5. The gearbox of the dual-screw extruder needs to be regularly maintained and inspected once a yearÂ
Operating Process
1. The gear on the input shaft is driven by the motor and starts to rotate.
2. The rotating input gear meshes with other gears inside the gearbox, transmitting power.
3. Different-sized gears within the gearbox are combined to form a gear train. Through continuous meshing and rotation, the high-speed, low-torque power from the input shaft gradually converts into low-speed, high-torque output.
4. The output shaft is connected to the last gear and transfers the output torque to the load.
5. Gear reduction gearboxes typically include lubrication and cooling systems to ensure smooth operation and prevent overheating and damage.
6. Our extruder gearbox converts high-speed, low-torque power into low-speed, high-torque output by changing the size ratios and meshing arrangements of different gears, achieving the function of speed reduction.
Types of Gearboxes:
Based on customer requirements, gear reduction gearboxes can be classified according to the size of the output shaft, center distance of the output shaft, output speed, and torque. Alternatively, we can provide several commonly used types of gearboxes for customers to choose from.
Product 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. |
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. |
Exhibition
Certificate
Company profile
ZheJiang Arrow Machinery Co., Ltd.is a company specializing in R&D, production, sales, application promotion of food engineering projects. As 1 of the largest scaled food processing equipment &whole plant engineering problem solvers in China, machines served for more than 970 companies, export to 116 countries, area, more than 20 years engineering team, we recognize that quality equals value, aims to create a great future together with global customers.
FAQ
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1. Q: How about Arrow Machinery?
    R: ZheJiang Arrow Machinery Co., Ltd. is a High-Tech company. Our firm is composed of a strong Â
    team which has substantial experience in R&D, manufacture, technique and sales service and has
    specialized in extruder industry for 10 years,leading screw barrel manufacturer in China.
2. Q:What’s Arrow machinery’s capacity?Â
  R:Company is in strict accordance with CE and ISO9001 quality certification system.There are over 200
    models of extruders and spare parts.Â
3. Q:What’s the delivery time?Â
   R:For regular size, we have finished stock and semi-finished stock, 2 weeks max enough
    for customized, normally within 20days .
4. Q:How about the gearbox quality and price?Â
  R: top quality in China with competitive price and globle after-sale service
5. Q:what’s the life time and guarantee buy from Arrow machinery ?
   R: 3~5years life time for nitriding ones and bimtallic ones will be longerÂ
     One year min. Guarantee.
6.Q:Where is Arrow Machinery factory and how to reach there?Â
  R:NO.47 Chengbohu Road, Xihu (West Lake) Dis. District,HangZhou City, China. You can take the train or plane to HangZhou and we can pick    you up.
7.Q:How to contact with you?Â
   R:just reply to me if have any question.Â
| Application: | Motor, Machinery |
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| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Three-Ring |
| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
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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Installation and Alignment of Helical Gearboxes
Proper installation and alignment of a helical gearbox are essential to ensure its optimal performance and longevity. Here are the steps involved:
- Preparation: Gather all necessary tools, equipment, and safety gear. Ensure the work area is clean and well-lit.
- Mounting: Position the gearbox on the designated mounting surface and secure it using appropriate bolts. Follow the manufacturer’s guidelines for mounting torque and procedures.
- Shaft Alignment: Use precision tools such as dial indicators to align the input and output shafts. Achieving accurate shaft alignment minimizes stress on the gears and bearings.
- Bolt Tightening: Gradually and evenly tighten the mounting bolts, ensuring the gearbox remains properly aligned. Refer to torque specifications provided by the manufacturer.
- Lubrication: Fill the gearbox with the recommended lubricant according to the manufacturer’s specifications. Proper lubrication is crucial for reducing friction and wear.
- Alignment Check: After tightening the bolts, recheck the shaft alignment to ensure it hasn’t shifted during the tightening process.
- Run-In Period: Gradually introduce load to the gearbox to allow the gears to seat properly. Monitor the gearbox for any unusual noises, vibrations, or temperature changes during this period.
- Final Checks: Verify that the gearbox operates smoothly, without excessive noise or vibrations. Monitor the gearbox’s temperature during operation to ensure it remains within recommended limits.
- Regular Inspection: Schedule periodic inspections to check for any signs of wear, misalignment, or leakage. Address any issues promptly to prevent further damage.
It’s important to follow the manufacturer’s installation and alignment guidelines specific to the helical gearbox model you’re working with. Improper installation and alignment can lead to premature wear, reduced efficiency, and potential failure of the gearbox.
Can Helical Gearboxes Be Retrofitted into Existing Machinery Designs?
Yes, helical gearboxes can often be retrofitted into existing machinery designs, providing an opportunity to upgrade the performance, efficiency, and reliability of older equipment. Here are the key points to consider when retrofitting helical gearboxes:
1. Compatibility: Before proceeding with a retrofit, it’s essential to ensure that the new helical gearbox is compatible with the existing machinery in terms of size, mounting, and shaft connections. Proper measurements and analysis are necessary to avoid any misalignment or fitment issues.
2. Space Considerations: Helical gearboxes may have a different physical profile compared to the original gearboxes. Engineers need to assess the available space in the machinery and confirm that the new gearbox will fit without major modifications.
3. Shaft Alignment: Proper shaft alignment is crucial to ensure smooth and efficient operation. During the retrofit, it’s important to align the new helical gearbox with other components in the system to prevent premature wear, noise, and vibration.
4. Power and Torque Ratings: The power and torque ratings of the helical gearbox should match or exceed the requirements of the machinery. This ensures that the new gearbox can handle the loads and stresses that the machinery may encounter.
5. Performance Improvements: Retrofitting with helical gearboxes can lead to improved efficiency, reduced noise, and smoother operation. These benefits can positively impact the overall performance and lifespan of the machinery.
6. Engineering Expertise: Retrofitting involves careful planning, engineering analysis, and implementation. Working with experienced engineers or gearbox specialists is advisable to ensure a successful retrofit without compromising the integrity of the machinery.
7. Cost-Benefit Analysis: Assessing the costs of the retrofit, including the cost of the new gearbox, installation, downtime, and potential modifications, is essential. Comparing these costs to the anticipated benefits of improved performance and efficiency will help make an informed decision.
8. Maintenance Considerations: Retrofitting may also impact maintenance practices. It’s important to understand any changes in lubrication requirements, inspection intervals, and servicing needs that come with the new gearbox.
Conclusion: Retrofitting helical gearboxes into existing machinery designs can be a cost-effective way to enhance the performance and extend the lifespan of equipment. However, careful planning, engineering analysis, and professional expertise are crucial to ensure a successful retrofit that delivers the desired improvements without causing unforeseen issues.
Industries Utilizing Helical Gearboxes
Helical gearboxes find widespread use in various industries due to their efficiency, smooth operation, and versatility. Some of the industries that commonly utilize helical gearboxes include:
- Manufacturing: Helical gearboxes are employed in manufacturing processes for conveyor systems, material handling, and machine tools. Their ability to provide high torque and smooth motion makes them suitable for precision manufacturing.
- Automotive: Automotive applications include power transmission in vehicles, especially in manual and automatic transmissions. Helical gearboxes contribute to improved fuel efficiency and smoother gear shifting.
- Energy Generation: Helical gearboxes are used in power generation systems, such as wind turbines and hydroelectric generators. Their efficiency and load-bearing capacity are crucial for converting rotational motion into electrical power.
- Construction: Construction equipment, such as cranes, excavators, and bulldozers, rely on helical gearboxes for efficient power transmission and control of heavy loads.
- Mining: Mining operations use helical gearboxes in conveyors, crushers, and other equipment for material handling and ore extraction. The durability and high torque capacity of helical gearboxes make them suitable for demanding mining environments.
- Marine: Marine vessels use helical gearboxes in propulsion systems to convert engine power into rotational motion for propellers. Their efficiency contributes to fuel savings and reliable marine operation.
- Food and Beverage: Helical gearboxes are employed in food processing and packaging machinery due to their sanitary design and precise motion control.
- Textile: Textile machinery relies on helical gearboxes for various processes, including spinning, weaving, and dyeing. Their ability to handle varying loads and provide smooth motion is beneficial in textile production.
The adaptability and efficiency of helical gearboxes make them a suitable choice for a wide range of industries, where reliable power transmission, smooth operation, and load-bearing capacity are essential.
editor by CX 2023-12-07