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                                        汽車排氣消聲器性能試驗方法

                                        2016-10-14 0

                                        汽車排氣消聲器性能試驗按QC/T 630-1999規定,通常要進行氣密性試驗及振動試驗,下面我們就來看一下這兩種試驗的方法。

                                        汽車排氣消聲器的氣密性試驗:

                                        將消聲器固定在氣密性實驗臺上,消聲器內相對壓力保持在(30±1)Kpa時,在3min內測量消聲器每分鐘的漏氣量。如下圖所示:

                                        107.jpg

                                        汽車排氣消聲器的振動試驗:

                                        將消聲器模擬車上使用狀態安裝在振動臺上,相對于消聲器的安裝姿勢依次給與上下、左右及前后的正弦曲線的振動,振動加速度的測定部位原則上應選在消聲器薄弱部位,如消聲器端蓋與進出氣管口連接處,但也可以再振動臺上測定,試驗方法按下圖進行振動耐久性試驗:

                                        108.jpg

                                        我司專業研發生產汽車相關零配件的試驗檢測設備,歡迎咨詢!

                                        北京赛车计划数据
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