Research on Reliability Key Technologies of Automobile Manufacturing Equipment
Abstract
Due to the complex mechanical structure,long service life,and involving many elements and types of components,the reliability of automobile manufacturing equipment is an important factor affecting the quality and output of the product.In this paper,several aspects of reliability including its influencing factors,test methods and improvement measures are researched.The research has certain guiding significance for enhancing the reliability of automobile manufacturing equipment.
Keywords: automobile manufacturing equipment ；reliability ；influencing factors；testing methods；improvement measures
Introduction
Automobile manufacturing equipment reliability means the ability of the equipment to perform its duties continuously within the specified time,and accurately complete the number of production tasks,which can supply continuous,accurate and stable product quality.Reliable manufacturing equipment,in addition to reducing product scrap and improving output,is also helpful for reducing the time of equipment maintenance,saving non-power energy consumption and ensuring the stability of vehicle performance.Therefore,it is of great significance to improve the reliability of automobile manufacturing equipment,ensure the complete,correct and timely completion of clinical operations and improve the quality,safety and stability of automotive products.
1. Factors Influencing Automobile Manufacturing Equipment Reliability
Automobile manufacturing equipment reliability is affected by many factors,including design factors,component characteristics and quality,manufacturing process,assembly process and test process,operating environment,maintenance level and so on.
1.1 Design Factors
Design factors include the design quality of the equipment components and system,tolerances,assembly,and the structure of the design.If the design is not reasonable,the reliability of the equipment will be greatly reduced.
1.2 Characteristics and Quality of Components
The reliability of the components directly affects the reliability of the entire automobile manufacturing equipment,so the characteristics and quality of the components will have a direct impact on the product and system reliability.
1.3 Manufacturing Process
The manufacturing process quality will have an impact on the quality of the components.If the process is unreasonable,the finished products may have defects that will reduce the reliability of the components and the entire system.
1.4 Assembly Process
The assembly process includes the workers’ operation level,assembly process and tools.The assembly process determines the accuracy and stability of the installation.Reasonable assembly process can make the accuracy and stability of the installation meet the requirements,so as to improve the reliability of the whole system.
1.5 Test Process
The test process is the last important link in the process of producing automobile manufacturing equipment.It is a process to check whether the product accuracy and performance can meet the design requirements.
1.6 Operating Environment
The operating environment refers to the atmosphere,humidity,temperature and environment in which the product is used.The operating environment will directly affect the performance and reliability of the product.
1.7 Maintenance Level
Maintenance can greatly improve the reliability of the product.Therefore,the maintenance level of the equipment shall be ensured,so as to reduce the failure rate and improve the reliability of the equipment.
2. Automobile Manufacturing Equipment Reliability Test
The automotive manufacturing equipment reliability test is used to measure the reliability of the equipment and discover product failure,so as to determine the necessary reliability improvement measures.The test mainly includes vibration test,shock test,lifetime test,thermal shock test,static test,high and low temperature alternating test,and mechanical life test.
2.1 Vibration Test
Vibration test can be used to detect the product vibration resistance and performance,and also to identify loose parts,poor contacts and other potential reliability risks.
2.2 Shock Test
Shock test is used to detect the product shock resistance and performance.It can be used to check whether the product is affected by external shocks or electromagnetic fields.
2.3 Lifetime Test
Lifetime test is used to detect the product lifetime.The product is tested in a simulated environment to see how long it can work stably.
2.4 Thermal Shock Test
Thermal shock test is used to detect the product performance under extreme temperature conditions.It can be used to test the temperature resistance of parts and components.
2.5 Static Test
Static test is used to detect product static performance.It can be used to detect static electricity,electromagnetic fields and other static factors that may affect the product performance.
2.6 High and Low Temperature Alternating Test
High and low temperature alternating test is used to detect product performance under extreme temperature conditions.It can be used to check whether the product can work stably under extreme temperature conditions.
2.7 Mechanical Life Test
Mechanical life test is used to detect product life performance under extreme mechanical conditions.It can be used to check whether the product can work stably and accurately under extreme mechanical conditions.
3. Improvement Measures for Automobile Manufacturing Equipment Reliability
In order to improve the reliability of the automobile manufacturing equipment,the following improvement measures must be taken.
3.1 Strengthen the Design
Strengthen the design of the automobile manufacturing equipment to make it more reasonable,accurate and reliable.
3.2 Pay Attention to Selection and Verification of Components
Pay attention to the selection and verification of components and spare parts,make sure the accuracy,performance and quality of the components and parts meet the design requirements,so as to ensure the reliable operation of the product.
3.3 Improve Manufacturing Process
Improve the process and quality of the manufacturing process,reduce the gap between process and design as much as possible,reduce the production scrap rate and ensure the quality of products.
3.4 Pay Attention to Assembly Process Details
Pay attention to the assembly details of the product,ensure that the assembly process is accurate,stable and reliable,and ensure the reliability of the whole system.
3.5Improve Testing Process
Improve the product testing process,check whether the accuracy and performance of the product meets the design requirements,so as to ensure the reliability of the product.
3.6 Strengthen Maintenance Check
Strengthen the maintenance check of the equipment and replace the components in time if necessary,so as to ensure the reliability of the product performance.
Conclusion
Reliability is an important indicator for evaluating the performance of automobile manufacturing equipment.By understanding the influencing factors of reliability,testing methods,and improvement measures,the automobile manufacturing equipment reliability can be further improved,which is of great significance to the quality and output of the product.
