【文章內(nèi)容簡介】 es. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.零部件名稱常用的檢測壓力范圍PSIG最大允許空氣泄漏率 cc/mVacuum Components 真空部件 Actuators – Distributor Vacuum Motors Climate Control Vacuum Motors Other Vacuum Actuators amp。 Components10 – 20 in. Hg. Vac.10 – 20 in. Hg. Vac.10 – 20 in. Hg. Vac.10 – 505 – 205 – 30Emission Control Devices噴射控制 EGR Valve Diaphragm Thermo Vacuum Switches Canister Purge Valves碳罐閥 Canisters – Carbon碳罐10 – 20 in. Hg. Vac.10 – 20 in. Hg. Vac. – 1 in. Hg. Vac. – 1 PSIG5 – 101 – 510 – 2020 – 50 Electrical Components電子零件Oil Filled Ignition CoilWindshield Washer Pum雨刷水箱10 – 20 in. Hg. Vac.1 – 5 PSIG 5 – 102 – 10Shock Absorbers減震器 Shock Absorbers with Air Inflation Oil Reservoir油罐50 – 1005 – 10105 – 1065 – 10 The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.PopularTestMethods常用泄漏測試方法The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.泄漏 測試 技 術 和方法 優(yōu) 點 缺點水浸法： 對 零件加 壓 充氣，沉入水槽操作工目 測 氣泡找漏可以確 認 漏點 取決于操作工的注意力和 觀 察力。難 于確定具體的泄漏 值 。慢。零件必 須 重新干燥 處 理。內(nèi)部 強 體 間 泄漏無法確定。肥皂泡法： 操作工用 噴槍 或刷子涂抹肥皂水，通 過觀 察氣泡來 查 找漏點?？梢源_ 認 漏點 取決于操作工的注意力和 觀 察力。難 于確定具體的泄漏 值 。慢。零件必 須 重新干燥 處 理。內(nèi)部 強 體 間 泄漏無法確定。有可能漏掉大漏。氣體探 測 法－－ 電 子鼻技 術 ： 以示蹤氣體 對 被 測 零件充 壓。 操作工用探 針 探 測 泄漏出的示蹤氣體可以找出漏點高靈敏度取決于操作工的耐心和 觀 察力。對 大的 鑄 件 難 以覆蓋。示蹤氣體價格昂 貴 。示蹤氣體的供 應 源 問題The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.泄漏 測試 技 術 和方法 優(yōu) 點 缺點氣體探 測 法－－ 圍欄 式技 術 ： 以示蹤氣體 對 被 測 零件充 壓 。 被 測 零件放入密 閉 容腔中， 檢測 密 閉 容腔中集聚的示蹤氣體。高靈敏度 不宜于 檢測 大漏。自 動 化程度高。示蹤氣體的供 應 源 問題 。污 染。對夾 具的密封性要求高。價格昂 貴 。速度慢。壓 力衰減 檢 漏 儀 ： 被 測 工件被密封并以空氣 (或液壓 機液體 )加 壓 ，根據(jù) 壓 力 損 失自 動確 認 泄漏。自 動 運行。無需操作工主 觀 判斷。速度快，重復性高。潔凈 。允 許 泄漏 值 可 編 程 設 置合格 /不合格。無法確定漏點。The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.TypicalLeakTestingPneumaticCircuits常用的泄漏測試氣路USON TesterThe copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.大流量法v 該測試方法通過測量由于泄露而引起的流向被測工件的氣流。大流量法可以在很短的時間內(nèi)瞬間捕捉壓力曲線上任一點的流量。需要注意的是，給被測容積充氣時絕熱效應的影響，要在充分穩(wěn)定的情況下讀取數(shù)據(jù)。The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.直壓法v 由于 簡單 ， 這 是最常用的 檢 漏方法。在 檢測過 程的充氣和 穩(wěn) 定 階 段， 優(yōu)勝壓 力 傳 感器會 監(jiān) 控空氣 壓 力的 變 化。在 測 漏 階 段， 檢測儀 會 調(diào) 用存 儲 的無泄漏零件（ 標 準零件）的 壓 力 損 失特征曲 線 ， 將被 測產(chǎn) 品零件的特征曲 線進 行比 較 。The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.Filter Pressure Regulator Fill/VentValve EqualisationValve Pressure TransducerTest PortRef. Port差壓法v 由于此 測 漏方法需使用 壓 差 傳 感器，因此需要一個參考 壓 力腔。主控零件與參考腔之 間 的 壓 力 變 化特征曲 線 存 儲 在 檢測儀 中，然后于被 測 的生 產(chǎn) 零件的特征曲 線進 行比 較 。The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.背壓流量檢測法v 這 種流量 檢測 法是使用 壓 力 傳 感器 測 量由于被 測 零件 對 氣體的 約 束所造成的背 壓 。 傳 感器 連 接在通往被 測 零件的氣路上。The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.氣路針對每個應用客戶化設計，應用經(jīng)實踐檢驗的、可靠零件來保證：? 最短的檢測時間? 最小化體積及最大化流量? 高重復性和可靠性? 壽命長? 系統(tǒng)按照應用和技術要求設計 The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rights reserved in the event of the grant of a patent, utility model or ornamental design registration.八通道壓力降法示例The copying, distribution and utilization of this document as well as the munication of its contents to others without expressed authorization is prohibited.Offenders will be held liable for the payment of damages. All rig