Product Description

 

Product Description

This gearbox is designed for plastic extrusion machine. It  meet JB/T9040-1999 standard.  The gear is made of high-strength alloy steel and hardened by carburizing and quenching. The accuracy of grinding teeth is higher than Level 6 and the hardness is HRC 54-62. In the front of output shaft,we assemble a thrust bearing with  high safety factor to bear the extrusion pressure of screw.

Detailed Photos

 

Loading capacity sheet of CHINAMFG and ZSYJ reduction gearboxes
Type ZLYJ ZSYJ
Spec     * * * * * * * * * * * *
112 133 146 173 200 225 250 280 315 330 375 395 420 450 500 560 630 450 560 530
-8 -8 -10 -12.5 -12.5 -16 -16 -16 -16 -16 -16 -16 -16 -12 -20 -20 -20 -32 -57 -44
                                         
Normal input power(kw) n=1500rpm
Ordinary reliable 15 22 30.8 39 55 75 82.5 116 171 _ 260 300 315 332 450 600 825 240 240 370
High reliable 10 15 18.3 30.8 45 60 67 75 116 207 207 240 250 266 350 550 675 200 220 315
                                         
  Allowable output torque(N.m)
Ordinary reliable 800 1165 1962 2484 4379 6568 7643 11822 17427 _ 26497 3571 32102 38599 5571 76433 105095 48917 87134 103694
High reliable 525 764 1165 1962 3583 5334 6306 7643 11822 21000 21096 24380 25478 33885 44566 70063 85978 40764 79873 88280

Recommended parameters of single-screw extruder machine reduction gearbox(Optional)
Type Spec. Power/Kw Speed-Input Speed-Output Load torque/N.m Axial force/KN Screw diameter Length-Diameter Ratio
ZLYJ 112-8 5.5 800 100 525 35 less than 35 25:1
113-8 6 800 100 764 39 50 25:1
146-10 11 1000 100 1050 54 55 25:1
173-10 18.5 900 90 1962 110 65 25:1
200-12.5 30 1000 80 3581 155 75 25:1
225-12.5 45 1000 80 5371 180 90 25:1
250-16 55 1120 70 7503 192 105 25:1
280-16 75 960 60 7643 258 110 25:1
315-16 85 960 60 13528 287 120 25:1
330-16 110 960 60 17528 360 135 25:1
375-16 132 960 60 21008 390 150 25:1
395-16 185 960 60 29442 400 160 25:1
420-16 160/220 960 60 31831 430 160/170
450-20 213 1000 60 40640 500 180 25:1
500-20 220 1000 50 42571 550 180 25:1
560-17 440 1000 50 84034 700 200 25:1
630-10 540 1000 50 15712 770 250 25:1
ZSYJ 450-32 200 1500 47 4 0571 500 165 25:1
560-57 220 1500 26 80802 700 190 25:1

Company Profile

Zhe jiang yifan gear box group CO., LTD was set up in 1970. It specializes in developing and producing small and medium-sized marine gearboxes, plastic extruder slowdown bins, Z4 DC motors,generators and so on.There are mainly 300 moreproduction equipments,including more than60 big,fine and expensive ones. The area of our company is 110, 000 square meters.There are 350 staff,and 25%of the total number are the middle and senior technical members. Since the venture,we commit toresearching and developing new products,and keeping improving the technology. We pay great attention to the after-salesservice. All of these efforts increase the developing footsteps of our company. We have strong technical strength , sophisticatedprocessing equipments,advanced products detection equipments,and own a complete security system including productsdesigned,mechanical processing,unit assembly,testing before coming out from the factory and after-sales service. Ourproducts have passed the ISO9001 Quality System Certification.

 

Certifications

 

 

Our Advantages

1: High transmission efficiency
2: Smooth operation and low noise
3: Small size and high carrying capacity.
4: Easy to disassemble and easy to install.

FAQ

Q: Are you trading company or manufacturer?
A: We are factory.
 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
 

Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Application: Machinery
Function: Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 500/Piece
1 Piece(Min.Order)

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worm gearbox

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.

worm gearbox

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:

  • Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
  • High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
  • Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
  • Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
  • Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.

However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:

  • Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
  • Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
  • Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
  • Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.

Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.

worm gearbox

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.

China Good quality Zsyj Horizontal Single Screw Extruder Gearbox   synchromesh gearbox	China Good quality Zsyj Horizontal Single Screw Extruder Gearbox   synchromesh gearbox
editor by CX 2023-09-22