Forged Rotary Kiln Large Girth Gear
Products Description
A girth gear ring is an essential component of a rotary kiln. It is a large, circular gear that is mounted on the shell of the rotary kiln and meshes with a pinion gear to transmit torque from the motor to the kiln. The girth gear ring is typically made of steel and is heavily machined to ensure a precise fit and maximum strength.
The girth gear ring plays a critical role in the operation of a rotary kiln, as it must be able to withstand the high stresses and temperatures associated with the kiln's operation. It is also subject to wear and tear over time, due to the constant rotation and thermal expansion and contraction of the kiln.
Products shows
processing of forged rotary kiln large grith gear
▲Raw material selection: The material used for the girth gear ring must be high quality steel with excellent mechanical properties. Commonly used materials include alloy steel, carbon steel, and stainless steel.
▲Forging or casting: The selected material is either forged or cast into a rough shape that is close to the final size and shape of the girth gear ring.
▲Rough machining: The rough-shaped gear is then subjected to rough machining to remove any excess material and achieve the approximate dimensions of the final product.
▲Heat treatment: The gear is then heat-treated to increase its hardness, strength, and wear resistance. This process involves heating the gear to a high temperature and then quenching it in a cooling medium.
▲Finish machining: After heat treatment, the gear is machined to final size and shape. This includes machining the gear teeth and other features to precise tolerances.
▲Inspection: The finished gear is then inspected using various methods such as visual inspection, dimensional inspection, and non-destructive testing to ensure it meets the required standards and specifications.
▲Surface treatment: The gear may also undergo surface treatment processes such as grinding or polishing to improve its surface finish and reduce friction.
features
Large Diameter: The girth gear is significantly larger in diameter compared to other gears in the system. Its size is necessary to provide the required torque for the rotation of the kiln.
External Teeth: The girth gear has external teeth that mesh with the pinion gear. This meshing allows the transfer of rotational motion from the pinion to the girth gear, ultimately rotating the entire kiln.
Material: Girth gears are typically made from materials with high strength and durability, such as alloy steel. This ensures the gear can withstand the heavy loads and harsh operating conditions of the rotary kiln.
Segmented Design: In some cases, large girth gears are designed in segments that are then assembled together. This facilitates easier transportation and installation.
functions
Rotation: The primary function of the girth gear is to facilitate the rotation of the rotary kiln. The gear meshes with the pinion gear, and as the pinion rotates, it drives the girth gear, causing the kiln to rotate.
Torque Transmission: The girth gear is responsible for transmitting the torque generated by the kiln drive system to the rotary kiln. This torque is essential for the movement of materials within the kiln and for the overall functioning of the thermal processing.
Stability and Alignment: The girth gear helps maintain the stability and proper alignment of the rotary kiln. Precise alignment is crucial to prevent issues such as uneven wear on the gear teeth, which could lead to operational problems and reduced equipment lifespan.
Support for Riding Ring: The girth gear provides support for the kiln's riding ring, which is a component that helps distribute the kiln's load. This support is essential for maintaining the structural integrity of the kiln and preventing misalignment.
applications
●Ball Mills: The girth gear is used to drive the ball mill cylinder, which contains grinding media, to grind the material.
●Rod Mills: The girth gear is used to drive the rod mill cylinder, which contains grinding media, to grind the material.
●Sag Mills: The girth gear is used to drive the sag mill cylinder, which contains grinding media, to grind the material.
●Sugar Mills: The girth gear is used to drive the rollers in the sugar mill, which crushes the sugar cane to extract juice.
●Cement Plants: The girth gear is used in cement plants to drive the rotary kiln and ball mill.
●Mining: The girth gear is used in mining equipment, such as hoists and shovels, to transmit torque.
●Power Plants: The girth gear is used in power plants to drive the turbines and generators.
our test
•QA DOC: Chemical Composition Report, Mechanical Properties Report, UT Report, Heat Treatment Report, Dimensions Check Report
•The data on chemical composition report and mechanical properties report are approved by third party, Luoyang Ship Material Research
Institute, CSIC.
•UT test: 100% ultrasonic test according to EN10228-3, SA388, Sep 1921 C/c etc.
•Heat Treatment Report: provide original copy of heat treatment curve/time table.
about us
Luoyang Yujie Industry &Trade Co.Ltd located in Luoyang City, one of the main heavy industrial bases in China. We specialize in the production of nonstandard machinery parts. We have Experience in Cooperation with Fortune 500 Companies. And we also strong Machining & Heat Treatment Abilities and manufacture the Products with Customers' Designs. For products, we have strict quality Control and prompt delivery.
contact us
Do you have any specific questions about the Gear ring or Girth gear ? Contact Yogie! Our sales engineers will work with you from start to finish to ensure that your project is completed to your requirements.
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