China supplier Zlyj375 Single Screw Extruder Gearbox components of gearbox

Product Description

Product Description

ZLYJ series Reduction Gearbox (speed reducer) is a transmission part for most single screw extrusion line, wihch also possesses high precision hard gear surface and thrust block designed. Designed with standard ZBJ19009-88, it combines well with most of machines from different suppliers. Also the gear and axis parts are made of high strength alloy steel with surface hardness HRC54~62. In the front end of hollow input axis there is large specification thrust bearing that will bear axial thrust force while the screw is working

>Applied Circumstance
1. All kind of extrusion & blowing machinery
2. High speed shaft rotation Speed <1500RPM
3. Working Environment Temp. -40~45°C, with temperature below 0°C, should pre-heat lubrication oil to above 0°C

>Major Technical Index
1. Output Speed: 16-100 RPM
2. Output Torque: Max.4300 Nm
3. Motor Power: 5.5-200 Kw

>Selection of Gearbox
1. Select speed ratio
e.g. input speed n1=1000rpm, output speed n2=70rpm, ratio i=n1/n2=14.28, should select ratio 14
2. Select model type according to input power
e.g. input power P=26kw, after checking form, 29kw>26kw, most ecomonic should be ZLYJ200
3. Select assemble type
as per actual use, select horizontal or vertical type
4. Calculate axial thrust Fa=π*Ds²*Ps/(4*1000)
e.g. Screw diameter Ds=75mm, Screw pressure Ps=26MPa
187kN>114.8kN, ZLYJ200 can bear the axial thrust and economic to select
5. Confirm connection size
6. Confirm cooling type

Parameters Concerned

Recommended Products




Standard: DIN, GB, JIS
Technics: Forging
Feature: Recycle
Material: Metal
Gearing Arrangement: Helical
Input Speed: 600-1500rpm
US$ 2000/Set
1 Set(Min.Order)

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helical gearbox

Precision and High-Accuracy Applications of Helical Gearboxes

Helical gearboxes are well-suited for precision and high-accuracy applications due to their unique design and performance characteristics:

  • Helical Gearing: The helical gears in these gearboxes offer smooth and continuous meshing, resulting in reduced backlash and improved positioning accuracy.
  • Efficiency: Helical gearboxes are known for their high efficiency, which minimizes energy losses and heat generation. This is crucial for maintaining precision in applications where even small deviations can have significant impacts.
  • Noise and Vibration: The helical gear tooth engagement helps in reducing noise and vibration levels, making them suitable for environments where quiet operation is required.
  • Load Distribution: Helical gears distribute load across multiple teeth, minimizing localized wear and extending the lifespan of the gearbox.
  • Smooth Motion: Helical gearboxes provide smoother motion transitions, which is crucial in precision applications where jerky or sudden movements are undesirable.
  • Positional Accuracy: The reduced backlash and improved meshing characteristics of helical gears contribute to higher positional accuracy, making these gearboxes ideal for applications such as CNC machines, robotics, and medical equipment.
  • Compact Design: Helical gearboxes can achieve high gear ratios in a relatively compact form factor, making them suitable for applications where space is limited.

Examples of precision applications where helical gearboxes are commonly used include CNC machining, robotics, semiconductor manufacturing, medical equipment, and metrology devices. The combination of efficiency, smooth operation, and accuracy makes helical gearboxes a preferred choice for achieving consistent and reliable performance in such applications.

helical gearbox

Software Tools for Simulating Helical Gear Behavior

Several software tools are available for simulating the behavior of helical gears under different conditions. These tools aid engineers in designing and analyzing helical gear systems for optimal performance and reliability. Some notable software tools include:

  • KISSsoft: KISSsoft is a widely used software for the design and analysis of mechanical components, including helical gears. It offers comprehensive calculations for gear geometry, load distribution, contact stresses, and more. The software assists in optimizing gear designs and predicting their behavior under various operating conditions.
  • AGMA Rating Suite: The American Gear Manufacturers Association (AGMA) offers software tools that follow AGMA standards for gear design and analysis. These tools provide accurate calculations for gear rating, efficiency, and durability under different load scenarios.
  • ANSYS Mechanical: ANSYS Mechanical is a versatile simulation software used for finite element analysis (FEA) of mechanical systems, including helical gears. It allows engineers to perform detailed stress and deformation analysis, simulate contact patterns, and assess the effects of different loads and boundary conditions.
  • Gleason CAGE: Gleason’s Computer-Aided Gear Engineering (CAGE) software specializes in gear design and optimization. It offers advanced tools for gear tooth profile generation, simulation of meshing behavior, and optimization of gear parameters.
  • MAGMA Soft: MAGMA Soft provides casting simulation software that can be used to predict the solidification behavior and mechanical properties of casted gear components, which is essential for ensuring quality and performance.
  • Siemens NX: Siemens NX software includes gear design and analysis capabilities, allowing engineers to simulate gear behavior, calculate load distribution, and optimize gear designs within a comprehensive CAD/CAE environment.

These software tools enable engineers to model and analyze helical gears in a virtual environment, helping them make informed design decisions, optimize gear geometry, and assess gear performance under different conditions. By utilizing these tools, engineers can create reliable and efficient helical gear systems for various industrial applications.

helical gearbox

Advantages of Helical Gearboxes in Industrial Applications

Helical gearboxes offer several advantages that make them well-suited for a wide range of industrial applications. Here are some of the key advantages:

  • Smooth and Quiet Operation: The helical design of the gears results in gradual tooth engagement, reducing noise and vibration during operation. This makes helical gearboxes ideal for applications where noise reduction is important.
  • High Efficiency: Helical gears provide a larger contact area compared to straight-cut gears, leading to improved power transmission efficiency. The gradual engagement of teeth also reduces energy losses due to friction.
  • Higher Load Capacity: The helical angle allows for multiple teeth to be engaged simultaneously, distributing the load across a larger area. This results in higher load-carrying capacity and increased durability of the gearbox.
  • Compact Design: Helical gearboxes can achieve high gear ratios with fewer gear stages, leading to a more compact overall design. This is advantageous in applications where space is limited.
  • Wide Range of Ratios: Helical gearboxes can achieve a wide range of gear ratios, making them versatile for various speed and torque requirements.
  • Less Backlash: The gradual tooth engagement of helical gears results in reduced backlash, which is the play between gear teeth. This leads to improved accuracy and positioning in applications that require precise motion control.
  • Heat Dissipation: The helical design allows for better heat dissipation due to the continuous contact between gear teeth. This is beneficial in high-speed applications where heat generation can be a concern.
  • Highly Customizable: Helical gearboxes can be customized to meet specific application requirements, including input and output configurations, gear ratios, and mounting options.

Overall, the advantages of helical gearboxes make them a popular choice in industries such as manufacturing, automation, robotics, material handling, and more.

China supplier Zlyj375 Single Screw Extruder Gearbox   components of gearbox	China supplier Zlyj375 Single Screw Extruder Gearbox   components of gearbox
editor by CX 2023-11-17