The forging of main and auxiliary link is an important part of the main and auxiliary mechanism of locomotive, and its quality directly affects the stability and safety of locomotive operation. Production process parameters are one of the key factors affecting the quality of forging. In this paper, the influence of production process parameters on the quality of main and auxiliary connecting rod forging is discussed.
The influence of production process parameters on quality
Heating temperature: Heating temperature is an important parameter in the forging process. Too low a temperature can lead to stress concentration inside the forgings, while too high a temperature can lead to overburning or degradation of the material. The right heating temperature can ensure that the material has good plasticity and toughness, thus improving the quality of the forging.
Degree of deformation: The degree of deformation refers to the amount of deformation the forging is subjected to during the forging process. The proper deformation degree is helpful to optimize the microstructure and properties of the material. Too large a degree of deformation may lead to material rupture or internal defects, while too small a degree of deformation may make the material unable to flow fully, affecting the density and integrity of the forgings.
Cooling rate: The cooling rate after forging also has an important impact on the quality of the forging. Rapid cooling can promote the formation of finer grains inside the material and improve the strength and toughness of the material. Slow cooling may lead to the formation of coarse grains inside the material, affecting its mechanical properties.
Heat treatment process: Heat treatment process is an important means to improve the performance of forging. Reasonable heat treatment process can make the internal structure of the material more uniform, so as to improve its fatigue resistance and corrosion resistance. Different heat treatment process parameters (such as temperature, time, cooling method, etc.) will have different degrees of influence on the quality of forging.
Die design: Die design is also one of the key factors affecting the quality of forging. Reasonable mold design can ensure that the material flows fully during the forging process and reduce the occurrence of defects. The wear and heat treatment state of the die will also affect the quality of the forging.
Measures to optimize process parameters
Test and adjustment: Find the best range of process parameters by testing different combinations of process parameters. In the production process, the process parameters are constantly adjusted and optimized to improve the quality stability of the forging.
Adopt advanced process technology: actively introduce and apply advanced process technology, such as precision forging, isothermal forging, etc., to improve the quality of forgings and reduce production costs.
Strengthen quality awareness: strengthen the quality awareness training of employees to ensure that employees in each link can strictly abide by the process regulations and pay attention to the control of process parameters.
Establish quality inspection and feedback mechanism: Establish a sound quality inspection and feedback mechanism to find and deal with quality problems in the production process in time. Through the adjustment and optimization of process parameters, the quality level of forging is constantly improved.
In this paper, the influence of production process parameters on the quality of main and auxiliary connecting rod forging is deeply discussed. In order to improve the quality and stability of forgings, it is recommended that enterprises:
The process parameters are strictly controlled to ensure that they fluctuate within the optimal range.
Continuous optimization of process parameters, through the test and improvement to improve the quality of forging and reduce production costs.
Strengthen the quality awareness training of employees to ensure that employees in each link can pay attention to the control of process parameters.
Establish a perfect quality inspection and feedback mechanism to find and deal with quality problems in the production process in time.
