| With the continuous development of automotive technology, havebecome increasingly demanding, especially its security, car dashboard set ofsecurity functional and decorative parts in a install airbags in addition to themain driving, the co-pilot is also equipped with airbags (Passenger airbag PAB),especially in the luxury car has been popular installation. Passenger airbagscover stents and other parts mounted on the dashboard, the air bag cover anddashboard match at the presence of visual-mounted terminal, on the basis ofcar security, more and more beautiful and comfortable requirements. In recentyears, more and more cars dashboard is designed as integral airbag dashboardalso called Hidden airbags. Neither are visual dividing line, but also ensuresthat the airbag is normally open. The weakening line by machining the inside ofthe instrument panel. Such a weakening line at the front of the instrument panelto see machining marks. When the detonation of the airbag, the airbag coversmoothly along this relatively low strength weakening line open, and no smallerfragments flying out. The airbag from the open position out of the instrumentpanel, to ensure that the airbag is normally open, protection copilot occupantsafety. For the attention of automotive safety and aesthetics, the car co-pilotinstallation the hidden airbag is an inevitable trend. From the development ofthe airbag can be seen, the laser weakening the instrument panel system willbe more and more applications.Based on specific application projects, specifically to study thedevelopment and experimental verification of the design of the hidden sideairbags, including the course of development of the airbags, the basis andmethod of design and development, product structure definition; addition,airbag test verification plans and programs discussed in detail, afterauthentication of the airbag parts can guarantee10years of life, the ultimatepurpose of the airbag in a vehicle collision bounce detonating the purpose ofthe protection of the driver and the occupant, the paper parameters Airbagdetermined that airbags parameter optimization method (Stages test) processto do a detailed acceptance benchmarks to achieve the development goals,and ultimately to the protection of the airbag on the passenger side, indicators,and final curing airbags parameters.The Concealed Passenger Airbag development needs relying on thedevelopment of the instrument panel, dashboard development is a systematicproject, the instrument is the vehicle manipulate parts relying dashboard designis also more complex, and the departure from the security features of thedashboard the design and development of the instrument panel, the other dueto the hidden vice airbag dashboard vibration friction welding process involves, as well as more complex laser the weakening process to achieve the airbagtear line processing, and, ultimately, to ensure that the weakening of weldstrength, tear line residual thickness to meet design requirements and toensure consistency, first, if the air bag can verify normal tear line broke, itselfanother but also to ensure the air bag broke fragmentation and debris can’tcause additional injury to the occupant.So require detailed discussion of each of the laser machining processparameters on the weakening of the cutting depth of the impact and, ultimately,the relationship between the optimization of the process parameters, and todetermine the best matching programs, the dashboard weakened the airbagtear lines to meet the requirements of airbag deployment In addition, todetermine the laser parameters to consider engineering applications, andultimately it can be mass-produced. |
