Influence of part shape on deformation of truck gear
The shape of parts is a very important factor affecting the deformation size and deformation trend of heat treatment, which […]
The shape of parts is a very important factor affecting the deformation size and deformation trend of heat treatment, which […]
Compared with similar products in advanced countries, the quality of truck gears in China lags far behind, with an average
Carburizing and quenching of truck gears is a key process in the process of gear quality control. Many key characteristics
The research on heat treatment deformation control of heavy truck gearbox gear is of great practical significance and great practical
At present, foreign automobile manufacturers generally adopt isothermal annealing treatment for truck gear forging blank, and specify different isothermal annealing
As we all know, the quality of gears is influenced not only by the steel itself, but also by the
Foreign tests have proved that the supercooled austenite decomposition products during surface quenching of carburized steel are the main reason
China’s truck gear steel basically follows the brand of the former Soviet Union. For a long time in the past,
1. Test purpose Our company adopts high-grade and high-quality zocrmntih steel with 6 bandwidths according to the steel factory standard.
1. Introduction to truck gear processing The cold working routes of the three parts are basically the same: forging –
The metallurgical quality of steel for truck gear has the following requirements: 1.End hardenability At present, the bandwidth control of
Taking 9t one speed gear parts as an example, the effects of different pre heat treatment methods on the deformation
Three typical parts of heavy truck gearbox hc7s-120: first and second speed gear sleeve (representative of thin-walled castings), fourth speed
Material quality is affected by multiple factors. Different origin, smelting methods, quality categories and supply forms of truck bevel gear
From the above analysis of the service conditions and failure forms of gears, it is proposed that the performance requirements
1. Effect of pre heat treatment on cylindrical gear deformation Before 2010, our company adopted the ordinary normalizing method for
The gearbox gear of heavy truck is one of the three major products of ZHY Gear. It has been supporting
The influence of material quality on the quality of truck helical gear has attracted more and more attention. The unstable
The deformation of heavy truck gearbox gear after carburizing and quenching is caused by the gear in the process of
With the continuous development of China’s automobile industry and national economy year-on-year, the heavy vehicle industry has also entered a
At the beginning of this century, the German automobile industry used high Ni alloy steel to produce high load truck
Heavy truck gear refers to all kinds of gears in the gearbox of heavy truck. The automobile gearbox is located