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A few days ago, after more than a year of repeated practice, China Heavy Truck HOWO heavy truck 2C1B coating process development and implementation of the project has been fully implemented. In addition to saving considerable natural gas, electricity, paint and auxiliary materials costs each year, it can also reduce VOC emissions by more than 40%, greatly increasing environmental benefits.
In order to create the production goal of HOWO Heavy Duty Green Coating and realize the energy-saving and emission-reduction of coating process, since the end of 2009, China National Heavy Duty Truck officially launched the HOWO heavy-duty card through scientific analysis of the coating technology of domestic and foreign automotive industries and combined with its own development strategy. 2C1B coating process development and implementation of technological innovation projects. 
CNHTC Trucks Co., Ltd. undertook all the tasks of process development, equipment improvement, and quality monitoring. Through the implementation of the project, the Auto Body Factory has improved the cab appearance quality assurance system to further ensure the quality of the HOWO heavy truck cab during the process change. The stamping process implements the first board project, establishes mold maintenance and repair, stamping package protection and standardization worksheets for station equipment use, large-scale outer cover is fully controlled, welding process is introduced into the grinding stone inspection method, and welding assembly products The surface polishing process is performed to detect and treat defects in appearance quality in advance. The coating process is based on parameter control. The combination of laboratory testing and on-site process verification is used for the material after formulation adjustment to improve the inspection and control of raw materials. Processes, strengthen on-line monitoring of coating quality, continuously optimize process parameters, and enhance body coating quality.
Sinotruk Trucks Co., Ltd.'s bodywork factory also carried out innovative transformation of the process equipment involved in the project, achieving the coexistence of the two-coat and three-coat processes, co-production, and when necessary for the production of three-coat cabs. In the paint spray booth, both the quality and output increase, taking into account customer needs.
China National Heavy Duty Truck HOWO heavy truck driver's cab green environmental protection coating new process developed successfully