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.
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| 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) | |
|---|
Is it Possible to Reverse the Direction of a Worm Gearbox?
Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:
- Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
- Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
- Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
- Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
- Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.
If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.
How to Calculate the Input and Output Speeds of a Worm Gearbox?
Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:
- Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
- Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:
N2 = N1 / (Z1 * i)
Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)
It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.
How Does a Worm Gearbox Compare to Other Types of Gearboxes?
Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:
- Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
- Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
- Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
- Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
- Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.
While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.
editor by CX 2024-03-08