产品描述
1) Small volume
2) Big transmission torque
3) High efficiency
4) Low consumption.
Product Description :
ZLYJ gearbox series are transmission devices, which are specially designed for single-screw extruder with high precision, hard gear surface, accompany with thrust. Adopting the technical specifications stipulated in JB/T9050.1-1999, all CHINAMFG gearboxes are designed accordingly.
Main Features:
1.The material of gear is the high strength alloy steel, it is manufactured by carburizing, quenching (and other heat treatment), gringding process at last. The gear is in high precison ( 6 grade ) and high hardness ( reaches HRC54-62). Besides, it features low noise when operating.
2. It contains high bearing ability thrust, which is performed reliable and can withstand larger axial thrust.
3. All the items are treated by forced lubrication and cooling system except very few small specification products.
4. CHINAMFG series gearbox is adopted by six-side processing box. Its normal installation is horizontal, but can also be changed to vertical installation according to customer’s requirment.
5. Efficiency transmission, low noise, long operaton time.
Main parameters :
| Type | Spec | Input Power(kw) | N( enter) | N(output) | 输出扭矩 | Permitted axial thrust of output shaft(KN) | Screw Diameter | Length-diameter ratio |
| (N@m) | ||||||||
| ZLYJ | 112-8 | 5.5 | 800 | 100 | 525 | 35 | Ø35 | 25:01:00 |
| 133-8 | 8 | 800 | 100 | 764 | 39 | Ø50 | 25:01:00 | |
| 146-10 | 11 | 1000 | 100 | 1050 | 54 | Ø55 | 25:01:00 | |
| 173-10 | 18.5 | 900 | 90 | 1962 | 110 | Ø65 | 25:01:00 | |
| 200-12.5 | 30 | 1000 | 80 | 3581 | 155 | Ø75 | 25:01:00 | |
| 225-12.5 | 45 | 1000 | 80 | 5371 | 180 | Ø90 | 25:01:00 | |
| 250-16 | 55 | 1120 | 70 | 7503 | 192 | Ø105 | 25:01:00 | |
| 280-16 | 75 | 960 | 60 | 7643 | 258 | Ø110 | 25:01:00 | |
| 315-16 | 85 | 960 | 60 | 13528 | 287 | Ø120 | 25:01:00 | |
| 330-16 | 110 | 960 | 60 | 17507 | 360 | Ø135 | 25:01:00 | |
| 375-16 | 132 | 960 | 60 | 21008 | 390 | Ø150 | 25:01:00 | |
| 395-16 | 185 | 960 | 60 | 29442 | 400 | Ø160 | 25:01:00 | |
| 420-16 | 160 | 960 | 60 | 31831 | 430 | Ø160 | 25:01:00 | |
| 420-16 | 220 | 960 | 60 | 31831 | 430 | Ø170 | 25:01:00 | |
| 450-20 | 213 | 1000 | 60 | 40640 | 500 | Ø160/Ø170 | 25:01:00 | |
| 560-17 | 540 | 1000 | 50 | 84034 | 700 | Ø200 | 25:01:00 | |
| 630-10 | 540 | 1000 | 50 | 15712 | 770 | Ø250 | 25:01:00 |
Our advantage :
A> long time experience and history .
B> long time nitriding treatment and heating treatment by itself .
C>advanced Fanuk series CNC computer-controlled milling machines .
D>depth hole drilling machine in 18meters length, which ensure the straigtnss of barrel inside .
E> CAD drawing confirmation before start making .
F> Prompt after sale service .
G>Land owner and registration capital 25, 000, 000RMB .
Our company :
ZHangZhoug CHINAMFG plastic machinery co.,ltd is located in HangZhou HangZhou city with brand of PYM(Former HangZhou CHINAMFG machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox CHINAMFG series, t die, filter and extruder machine. It has become 1 of the largest supplier of main parts in HangZhou city which is the basement of plastic machinery.
FRQ:
1.Q:What are we?
A:We are factory, with license of import and export goods by ourself.
2.Q:How to get to us?
A:The nearest airport is HangZhou airport, and the nearest train station is HangZhou station.
Warmly welcome to contact us by below ways:
Welcome to our company .
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| 应用: | Agricultural |
|---|---|
| 硬度: | Hardened |
| 安装: | Torque Arm Type |
| 步: | Stepless |
| Type: | Worm Gear Box |
| Brand Name: | Pym |
| 定制化: |
可用的
| 定制请求 |
|---|

蜗轮蜗杆变速箱可以反转运转方向吗?
是的,可以通过改变输入轴或输出轴的方向来改变蜗轮蜗杆传动箱的运转方向。但是,改变蜗轮蜗杆传动箱的运转方向可能会带来一些需要考虑的影响:
- 效率: 改变蜗轮蜗杆传动装置的旋转方向可能会影响其效率。由于蜗杆和蜗轮的设计,蜗轮蜗杆传动装置通常在一个旋转方向上效率更高。
- 反弹: 反转旋转方向可能会导致变速箱间隙增大或空转,从而影响精度和运行平稳性。
- 润滑: 根据变速箱的设计,反转方向可能会影响润滑油的分布,并导致齿轮齿面磨损不均。
- 加载: 改变方向也可能影响变速箱的承载能力,特别是如果变速箱的设计主要用于单向操作。
- 噪声和振动: 由于齿轮啮合方式和啮合行为的变化,方向反转有时会导致噪音和振动增加。
如果需要反转蜗轮蜗杆减速机的运转方向,建议参考减速机制造商的指南和建议。这些指南和建议可以帮助判断特定型号的减速机是否适合反转运转,以及为确保正常运行所需的任何预防措施或调整。

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.

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.
- 润滑: 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 2024-03-09