New Zlyj 146 173 200 280 330 375 420 450 Series Plastic Extruder Gearbox


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New Zlyj 146 173 200 280 330 375 420 450 Series Plastic Extruder Gearbox

The New Zlyj 146 173 200 280 330 375 420 450 Series Plastic Extruder Gearbox is widely used in various industries and applications. It serves multiple functions, including distribution power, changing drive torque, speed changing, and speed reduction. The gearbox is designed in a coaxial layout, ensuring efficient transmission of power.

Customization options are available for the gearbox, allowing for personalized specifications and requirements.

Product Description:

The New ZLYJ /146/173/200/280//330/375/420/450 series plastic extruder gearbox is a high-quality and reliable gearbox designed for plastic extrusion applications. It is suitable for a wide range of power requirements, ranging from 0.12KW to 160KW. The gearbox can deliver torque ranging from 1.4N·m to 36600N·m, with an output speed ranging from 0.06 to 1090r/min.

The gears of the gearbox are made of 20CrMnTi alloy steel and undergo grinding finish by HOFLER Grinding Machines, ensuring precise and efficient gear processing. The gearbox operates with low noise levels, below 65dB, providing a quiet working environment. It features high-quality bearings from brands like C&U, ZWZ, LYC, HRB, NSK, and oil seals from NAK or other reputable brands.

With a maximum temperature rise of 40ºC and oil temperature rise of 50ºC, the gearbox operates efficiently and reliably. The housing hardness is between HBS190-240, while the surface hardness of the gears ranges from HRC58° to 62°. The gears’ core hardness is HRC33~40, and the machining precision of the gears is at a 5 Grade level. The gearbox uses high-quality lubricating oil, such as GB L-CKC220-460 and Shell Omala220-460.

Installation of the gearbox is flexible, supporting bottom seated type flange type installation and solid or hollow shaft output. It can be connected to a direct motor, shaft input, or inline AC motor input. The gearbox ensures a parallel output for efficient transmission. It is recommended to refer to the product catalog or provide technical information about output torque, output speed, and motor parameters for assistance in choosing the appropriate gearbox.

Installation Instructions:

To install the New Zlyj 146 173 200 280 330 375 420 450 Series Plastic Extruder Gearbox, follow these steps:

1. Identify the appropriate installation type and output mode, which can be bottom seated type flange type installation with solid or hollow shaft output.
2. Ensure that the gearbox is compatible with the motor by referring to the input mode options, such as direct motor, shaft input, or inline AC motor input.
3. Prepare the necessary tools and equipment for installation, including bolts, wrenches, and alignment tools.
4. Align the gearbox with the motor shaft, ensuring proper alignment and positioning.
5. Connect the gearbox to the motor using the appropriate input method, such as flange input, shaft input, or inline AC motor input.
6. Securely fasten the gearbox to the motor using the supplied mounting bolts.
7. Check the alignment and make any necessary adjustments to ensure proper alignment between the gearbox and the motor.
8. Once the gearbox is securely installed, test its functionality and ensure smooth operation.

Company Profile:

Ever-Power Group is a renowned supplier of various plastic gears used in the industry. Our wide range of products includes plastic spur gears, plastic helical gears, plastic worm gears, plastic bevel gears, plastic pinion gears, plastic nylon gears, plastic transmission gears, plastic sprocket gears, plastic wheel gears, plastic injection gears, plastic ring gears, plastic rack gears, and more. We pride ourselves on providing high-quality products, favorable prices, and considerate customer service.


1. Are you a trading company or a manufacturer?
We are a professional manufacturer specializing in manufacturing various series of reducers.

2. Can you do OEM?
Yes, we can. We can do OEM for all customers. Please provide drafts, dimensions, pictures, and samples if possible for non-standard speed reducers.

3. How long is your warranty?
Our warranty is 12 months under normal circumstances.