Product Description
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) | Output Torque | 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 pinbo plastic machinery co.,ltd is located in HangZhou HangZhou city with brand of
PYM(Former HangZhou yumin machine screw co.ltd since 1988).
The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder
machine. It has become one of the largest supplier of main parts in HangZhou
city which is the basement of plastic machines.
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.
3.More details of our products ,pls feel free to contact us,thanks so much!
Welcome any of your inquiry about the goods you are interested in and greatly
appreciate any comments or suggestions.
Welcome to contact us for more detail information and inquiry.
Please leave a message or inquiry below.
We will reply within 24 hours*7days*12monthes. Thanks for your cooperation !
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Agricultural |
|---|---|
| Hardness: | Hardened |
| Type: | Bevel Gear |
| Brand Name: | Pym |
| Input Speed: | 800 |
| Output Torque: | 525 |
| Customization: |
Available
| Customized Request |
|---|

Impact of Gear Ratios on Machinery Performance in Agricultural Gearboxes
The gear ratio in agricultural gearboxes plays a crucial role in determining the performance of machinery. It directly affects the relationship between the input and output speeds and torques. Here’s how gear ratios influence machinery performance:
- Speed and Torque Conversion: Gear ratios allow for the conversion of speed and torque between the input and output shafts. Higher gear ratios can reduce output speed while increasing output torque, making it suitable for tasks requiring high power.
- Power and Efficiency: Gear ratios affect the efficiency of power transmission. While reducing the speed through higher gear ratios can increase torque, it’s essential to strike a balance to maintain efficiency. Lower efficiency can lead to energy loss and increased heat generation.
- Task Adaptability: Different agricultural tasks require varying levels of torque and speed. Gear ratios enable machinery to be adaptable to different tasks by providing the necessary torque for heavy-duty activities like plowing or tilling and higher speeds for tasks like transport.
- Optimal Performance: Selecting the appropriate gear ratio ensures that machinery operates within its optimal performance range. It prevents overloading the engine or the gearbox, contributing to smoother operation and reduced wear and tear.
- Productivity and Fuel Efficiency: Proper gear ratios can enhance the overall productivity of agricultural machinery. By optimizing torque and speed, tasks can be completed efficiently, reducing the time and fuel consumption required for operations.
- Consideration of Terrain: Different terrains and field conditions require adjustments in gear ratios. Steep slopes or heavy soil may necessitate lower gear ratios for increased torque, while flat terrain could benefit from higher ratios for faster operation.
- Impact on Components: Gear ratios can influence the load distribution on gearbox components. Higher gear ratios might subject components to increased forces and stresses, potentially affecting their lifespan.
- Operator Comfort: Proper gear ratios contribute to operator comfort by providing the necessary power for smooth operation without straining the machinery. This can lead to reduced operator fatigue and improved safety.
- Customization: Some modern agricultural equipment offers adjustable or variable gear ratios, allowing operators to fine-tune machinery performance based on specific tasks and conditions.
Choosing the right gear ratio for agricultural gearboxes involves considering factors such as the intended task, soil conditions, and equipment specifications. It’s essential to strike a balance between torque and speed to achieve optimal machinery performance and maximize productivity.

Potential Challenges in Maintenance and Repairs of Agricultural Gearboxes
Maintenance and repairs of gearboxes in agriculture can pose several challenges:
- Harsh Environments: Agricultural machinery operates in challenging environments with exposure to dirt, debris, moisture, and varying temperatures. These conditions can accelerate wear and corrosion, necessitating frequent maintenance.
- Heavy Workloads: Gearboxes in farming equipment often handle heavy workloads, leading to increased stress on components. This can result in faster wear and tear, requiring more frequent inspections and part replacements.
- Accessibility: Some gearboxes are located in hard-to-reach areas of machinery. This makes regular maintenance and repairs more challenging, as technicians may need specialized tools and equipment to access and service the gearboxes.
- Specialized Knowledge: Proper maintenance of agricultural gearboxes requires specialized knowledge and skills. Inadequate understanding of gearbox mechanics and maintenance practices can lead to improper repairs, reducing the gearbox’s lifespan and efficiency.
- Costs: Repairing or replacing gearbox components can be costly, especially for heavy-duty agricultural machinery. Farmers need to consider both the direct costs of parts and labor, as well as potential downtime during repair processes.
- Downtime: The downtime required for gearbox maintenance or repairs can impact farming operations, especially during critical planting or harvesting seasons. Efficient scheduling and backup equipment can help mitigate this challenge.
- Availability of Parts: Obtaining replacement parts for older or less common gearbox models can be challenging. Farmers may need to source parts from specialized suppliers, leading to potential delays in repairs.
Addressing these challenges requires proactive maintenance planning, regular inspections, proper training of maintenance personnel, and sourcing spare parts in advance.

Role of Agricultural Gearboxes in Agricultural Machinery
An agricultural gearbox is a specialized type of gearbox used in various agricultural machinery and equipment. It plays a crucial role in the proper functioning of agricultural equipment by transmitting power and torque from the engine to the different components that perform specific tasks in the field.
Agricultural gearboxes are designed to withstand the demanding conditions of agricultural operations, including exposure to dust, dirt, moisture, and heavy loads. They are commonly used in a wide range of agricultural machinery, including tractors, combines, tillers, sprayers, and more.
The primary functions of agricultural gearboxes include:
- Power Transmission: Agricultural gearboxes transmit power from the engine to various components, such as wheels, blades, and belts, enabling them to perform their respective tasks.
- Speed Control: Gearboxes allow operators to control the speed and output torque of agricultural machinery. Different tasks require different speeds and levels of torque, and gearboxes provide the necessary adjustments.
- Direction Change: Many agricultural operations require changing the direction of rotational motion. Gearboxes enable smooth and efficient direction changes without the need for complex mechanical arrangements.
- Adaptation to Tasks: Agricultural gearboxes are equipped with various gears and shafts that can be configured to match the requirements of specific tasks, such as plowing, planting, harvesting, and more.
These gearboxes come in different configurations, such as straight-cut gears, helical gears, and planetary gears, depending on the specific application and requirements. The choice of gearbox type, gear ratio, and design factors contribute to the overall performance, efficiency, and durability of agricultural machinery.
Regular maintenance and lubrication are essential to ensure the longevity and reliable operation of agricultural gearboxes. Proper care and upkeep help prevent premature wear and damage, ensuring that the machinery performs optimally throughout the farming seasons.


editor by CX 2024-02-28