HMP073孔用方形組合密封（格來圈）一、性能與用途本密封是由一個(gè)填充PTFE材料的方形密封環(huán)和一個(gè)O形橡膠圈組合而成，適用于液壓往復(fù)運(yùn)動(dòng)雙向活塞密封。二、適用工況條件壓力/MPa溫度/℃速度/m/s介質(zhì)≤40-55~+2005液壓油、乳化液、水等三、訂貨示例訂貨型號(hào)HMP073—80或TF80×6.3四、安裝規(guī)格參數(shù)溝槽寬度L+0.2O形圈線徑d0孔徑范圍DH9溝槽直徑df8圓角R倒角Z徑向間隙S0~20MPa8~1420~40MPaD-4.92.23.24.26.38.18.19.50.400.500.500.600.700.701.000.250.300.350.400.500.500.600.40.60.81.21.61.62.523457781.802.653.555.307.007.008.6015~39D-7.540~79D-11.0D-15.5D-21.0D-24.5D-28.080~132133~329330~669670~1000注：孔徑≤30mm建議采用開式溝槽。五、標(biāo)準(zhǔn)尺寸表溝槽寬度L+0.2溝槽寬度L+0.2孔徑溝槽直徑d孔徑DH9溝槽直徑df8訂貨型號(hào)訂貨型號(hào)DH9f883.15.17.19.17.58.510.512.514.516.517.520.52.22.22.22.23.23.23.23.23.23.23.23.2HMP073-8HMP073-10HMP073-12HMP073-14HMP073-15HMP073-16HMP073-18HMP073-20HMP073-22HMP073-24HMP073-25HMP073-28140150160170180190200210220230240250119.0129.0139.0149.0159.0169.0179.0189.0199.0209.0219.0229.08.18.18.18.18.18.18.18.18.18.18.18.1HMP073-140HMP073-150HMP073-160HMP073-170HMP073-180HMP073-190HMP073-200HMP073-210HMP073-220HMP073-230HMP073-240HMP073-2501012141516182022242528303235363840424548505560636570758022.524.527.528.530.529.031.034.037.039.044.049.052.054.059.064.064.569.574.579.584.589.594.599.5104.5109.5114.5114.03.23.23.23.23.24.24.24.24.24.24.24.24.24.24.24.26.36.36.36.36.36.36.36.36.36.36.38.1HMP073-30HMP073-32HMP073-35HMP073-36HMP073-38HMP073-40HMP073-42HMP073-45HMP073-48HMP073-50HMP073-55HMP073-60HMP073-63HMP073-65HMP073-70HMP073-75HMP073-80HMP073-85HMP073-90HMP073-95HMP073-100HMP073-105HMP073-110HMP073-115HMP073-120HMP073-125HMP073-130HMP073-135260270280290300310320330340350360370380390400420450480500520550600630650670700750239.0249.0259.0269.0279.0289.0299.0305.5315.5325.5335.5345.5355.5365.5375.5395.5425.5455.5475.5495.5525.5575.5605.5625.5642.0672.0722.08008.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.18.19.59.59.5772.0HMP073-260HMP073-270HMP073-280HMP073-290HMP073-300HMP073-310HMP073-320HMP073-330HMP073-340HMP073-350HMP073-360HMP073-370HMP073-380HMP073-390HMP073-400HMP073-420HMP073-450HMP073-480HMP073-500HMP073-520HMP073-550HMP073-600HMP073-630HMP073-650HMP073-670HMP073-700HMP073-7509.5859095100105110115120125130135HMP073-800一、安裝指南1、密封件的安裝必須在預(yù)載一側(cè)，面對(duì)壓力方向進(jìn)行。2、缸體和活塞桿上必須有符合本樣本規(guī)定的推入倒角。3、尖邊必須去毛刺和倒圓或倒角。4、螺紋、導(dǎo)向環(huán)溝槽等應(yīng)遮蓋，因?yàn)槊芊饧荒茉跍峡p、鉆孔或粗糙的表面上被推過。5、任何灰塵、碎屑或其它外界顆粒必須小心清除。6、安裝前，缸、活塞桿和密封件應(yīng)涂油或油脂，并要考慮到與密封介質(zhì)相匹配。7、不應(yīng)使用有尖邊的工具。8、PTFE密封環(huán)在加熱的油或熱水中（約80~120℃）很容易被擴(kuò)張并恢復(fù)原狀。9、如密封件唇部需要通過油壓孔，用一個(gè)塑料棒，輕輕推唇口（如圖3-1），這樣可以防止孔的倒角損壞唇口。油缸上的孔均要倒角（圖3-2）。二、安裝方法開式溝槽無須任何工具即可安裝。（一）閉式溝槽中活塞桿密封件的安裝（見圖1）1、對(duì)所有密封基體、密封件和安裝工具進(jìn)行清洗并上油。2、將O形圈放入溝槽中（不得扭曲）。3、把PTFE密封環(huán)壓縮成腰子形并且不得形成尖形彎曲。將壓縮的PTFE密封環(huán)放入溝槽中，并用手將其輕輕地展平。4、把復(fù)原心軸推到密封件處，并輕輕轉(zhuǎn)動(dòng)心軸。放置1~5分鐘后將心軸取出。（二）閉式溝槽中活塞密封件的安裝（見圖2）1、對(duì)所有密封基體、密封件和安裝工具進(jìn)行清洗并上油。2、