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簡要描述:KOGANEI小金井氣缸選型資料,KOGANEIkoganei氣缸是由缸筒、端蓋、活塞、活塞桿和密封件組成,其內(nèi)部結(jié)構(gòu)如圖所示: 1)缸筒,缸筒的內(nèi)徑大小代表了koganei氣缸輸出力的大小。活塞要在缸筒內(nèi)做平穩(wěn)的往復滑動,缸筒內(nèi)表面的表面粗糙度應達到Ra0.8um。對鋼管缸筒,內(nèi)表面還應鍍硬鉻,以減小摩擦阻力和磨損,并能防止銹蝕。缸筒材質(zhì)除使用高碳鋼管外,還是用高強度鋁
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KOGANEI小金井氣缸選型資料,KOGANEI
CM2koganei氣缸活塞上采用組合密封圈實現(xiàn)雙向密封,活塞與活塞桿用壓鉚鏈接,不用螺母。,
2)端蓋,端蓋上設有進排氣通口,有的還在端蓋內(nèi)設有緩沖機構(gòu)。桿側(cè)端蓋上設有密封圈和防塵圈,以防止從活塞桿處向外漏氣和防止外部灰塵混入缸內(nèi)。桿側(cè)端蓋上設有導向套,以提高koganei氣缸的導向精度,承受活塞桿上少量的橫向負載,減小活塞桿伸出時的下彎量,延長koganei氣缸使用壽命。導向套通常使用燒結(jié)含油合金、前傾銅鑄件。端蓋過去常用可鍛鑄鐵,現(xiàn)在為減輕重量并防銹,常使用鋁合金壓鑄,微型缸有使用黃銅材料的
KOGANEI小金井氣缸選型資料,KOGANEI
3)活塞,活塞是koganei氣缸中的受壓力零件。為防止活塞左右兩腔相互竄氣,設有活塞密封圈。活塞上的耐磨環(huán)可提高koganei氣缸的導向性,減少活塞密封圈的磨耗,減少摩擦阻力。耐磨環(huán)長使用聚氨酯、聚四氟乙烯、夾布合成樹脂等材料。活塞的寬度由密封圈尺寸和必要的滑動部分長度來決定。滑動部分太短,易引起早期磨損和卡死。活塞的材質(zhì)常用鋁合金和鑄鐵,小型缸的活塞有黃銅制成的。
4)活塞桿,活塞桿是koganei氣缸中zui重要的受力零件。通常使用高碳鋼,表面經(jīng)鍍硬鉻,或使用不銹鋼,以防腐蝕,并提高密封圈的耐磨性。,
5)密封圈,回轉(zhuǎn)或往復運動處的部件密封稱為動密封,靜止件部分的密封稱為靜密封。,
缸筒與端蓋的連接方法主要有以下幾種:,
整體型、鉚接型、螺紋聯(lián)接型、法蘭型、拉桿型。,
6)koganei氣缸工作時要靠壓縮空氣中的油霧對活塞進行潤滑。也有小部分免潤滑koganei氣缸。
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