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Description
Introduction of ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox
ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox, or gearbox, is an important part of a mechanical transmission system, mainly used to change the speed and torque between the engine output shaft and the drive wheels. It realizes the selection of different ratios through the meshing of a series of gears to adjust the speed and strength of the power transmission.ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox is not only used in automobiles but is also very common in industrial equipment, agricultural machinery, construction machinery, and other applications that require the adjustment of speed and torque.
Features and benefits of ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox
Multi-stage gearing: Multiple gear options are available, allowing speed and torque to be optimized based on load conditions.
Increased Efficiency: Proper gear ratios maximize engine efficiency and reduce fuel consumption.
Enhanced Performance: Provides optimal power output under different operating conditions, improving the overall performance of the equipment.
Protect the engine: Reduce the burden on the engine by adjusting the gear ratio to avoid overloading.
Smooth operation: Using synchronizers and other technologies to ensure smooth gear shifting and reduce shock and noise.
Durability: High-quality materials and precision manufacturing processes ensure a long service life.

(ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox)
Specification of ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox
The ZLYJ 173, 180, 200 series are single-stage gearboxes. They are specifically built for single screw extruders. These gearboxes reduce motor speed. They increase output torque significantly. This power is crucial for plastic extrusion processes. The gearbox handles high input power. Power ratings range from several hundred kilowatts to over one thousand kilowatts. Output torque capacity is substantial. It typically reaches thousands of Newton-meters. This torque drives the extruder screw effectively. The gearbox offers a fixed speed reduction ratio. Common ratios include 6.3, 7.1, 8, 9. These ratios match common extruder screw speeds. Input speeds are usually high. They often run at 1500 RPM. Output speeds are much lower. They deliver the necessary force for extrusion. Efficiency is a key feature. These gearboxes operate with high mechanical efficiency. This minimizes energy loss. Heat generation is reduced. Lubrication is vital. The gearbox uses forced lubrication systems. Oil is circulated under pressure. This ensures gears and bearings stay cool. It prevents premature wear. The housing is robust. It is made from high-strength cast iron or steel. This provides structural integrity. It handles heavy loads safely. Internal components are hardened. Gears and shafts undergo special heat treatment. This enhances durability. Surface hardness is increased. Wear resistance is improved. Bearing selection is critical. High-capacity bearings support the shafts. They manage radial and axial forces reliably. Sealing is important. Multiple sealing methods prevent oil leaks. They keep contaminants out. Cooling might be necessary. Options include air cooling or water cooling jackets. This manages operating temperature. Mounting is versatile. The gearbox suits horizontal extruder layouts. It integrates smoothly with drive motors. It connects directly to the extruder screw. The design prioritizes reliability. These gearboxes operate continuously in demanding conditions. Maintenance is straightforward. Routine checks ensure long service life. They are essential for stable extrusion production.

(ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox)
Applications of ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox
The ZLYJ 173, 180, and 200 single screw extruder speed reducer gearboxes are key parts for plastic extrusion lines. These gearboxes handle the tough job of driving the extruder screw. They deliver the power needed to push plastic material through the barrel. This process heats and melts the plastic. The gearbox provides the necessary torque and controls the screw speed very precisely. Consistent screw speed is critical for making good plastic products. These gearboxes are built strong to survive the harsh conditions inside an extrusion plant. They handle high temperatures, heavy loads, and constant operation. Their sturdy construction ensures long life and dependable performance. Operators count on them running without trouble day after day. The gearbox mounts directly onto the extruder barrel. This direct connection transmits power efficiently. It also helps maintain the alignment of the screw shaft. Proper alignment prevents wear and tear on bearings and seals. Reduced vibration protects the whole machine. These gearboxes are found in factories making many plastic items. They drive extruders producing pipes, profiles, sheets, and films. Different plastic types need different processing conditions. The gearbox provides the steady rotational force required. It allows precise control over how fast the screw turns. This control directly affects the quality of the final plastic product. Choosing the right gearbox size depends on the extruder size and power needs. The ZLYJ 173, 180, and 200 models cover a wide range of common extruders. Their design focuses on efficiency and reducing energy use.
Company Introduction
Established in 2009, Gearbox Solutions Machinery Co.,ltd. focus on metal research and mining machinery spare parts. 2 factories over an area of 13,300 square meters, based on 100+ sets of equipment, our production capacity reaches 12000 Tons/Year. has passed ISO 9001 quality managment system certification in 2008.
Our mainly products are dragline excavator spare parts,rotary kiln spare parts, large modulus gear (gear shaft), gearbox ect. 40+ patents with over 45 years experience to help focus on improve the service life of spare parts. We belive that more than 80% reason of mechanical parts’ working life depends on hot processing (steel making/forging/casting/welding/heat treatment). Eight material engineers will control the quality from the original resource.
If you are interested, please feel free to contact us.
Payment
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Shipment
By sea, by air, by express, as customers request.
5 FAQs of ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox
Here are five common questions about the ZLYJ 173/180/200 Single Screw Extruder Speed Reducer Gearbox:
What is this gearbox for?
This gearbox is built for single screw extruders. Its main job is reducing the motor’s high speed down to the right, slower speed needed for the extruder screw. This control is vital for making plastic products properly. The gearbox handles the power transfer reliably.
Why choose this specific model?
The ZLYJ 173, 180, and 200 models are known for strength. They use strong gears and shafts made from high-quality steel. The design spreads out the load evenly. This makes the gearbox last longer even under tough conditions. It handles high torque well without breaking down.
What are its main features?
This gearbox has a compact, efficient design. It connects directly to the extruder screw for smooth power transfer. The housing is strong cast iron. Precision bearings support the shafts inside. The gears are hardened for extra wear resistance. This all adds up to stable, quiet operation.
Where is this gearbox typically used?
You find this gearbox on single screw extruders in plastics factories. It’s key for making pipes, sheets, profiles, and pellets. Anywhere plastic gets melted and shaped, this gearbox helps control the screw speed precisely. It’s a core part of the extrusion line.
What specifications should I know?
Know the torque rating, speed ratio, and input speed limits. These values differ for the ZLYJ 173, 180, and 200 models. Check the center distance and mounting dimensions. Understand the required lubrication type and maintenance schedule. Get the right model for your extruder’s power needs.

(ZLYJ 173/ 180/ 200 Single Screw Extruder Speed Reducer Gearbox)
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