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SMC氣缸所設(shè)緩沖裝置種類很多,，上述只是其中之一，當(dāng)然也可以在氣動回路上采取措施,，達(dá)到緩沖目的,。 組合組合氣缸一般指氣缸與液壓缸相組合形成的氣-液阻尼缸、氣-液增壓缸等,。*,，通常氣缸采用的工作介質(zhì)是壓縮空氣，其特點(diǎn)是動作快,，但速度不易控制,，當(dāng)載荷變化較大時(shí)，容易產(chǎn)生“爬行”或“自走”現(xiàn)象,；而液壓缸采用的工作介質(zhì)是通常認(rèn)為不可壓縮的液壓油,，其特點(diǎn)是動作不如氣缸快，但速度易于控制,，當(dāng)載荷變化較大時(shí),，采用措施得當(dāng)，一般不會產(chǎn)生“爬行”和“自走”現(xiàn)象,。把氣缸與液壓缸巧妙組合起來,，取長補(bǔ)短，即成為氣動系統(tǒng)中普遍采用的氣-液阻尼缸,。氣-液阻尼缸工作原理見圖42.2-5,。實(shí)際是氣缸與液壓缸串聯(lián)而成，兩活塞固定在同一活塞桿上,。液壓缸不用泵供油,，只要充滿油即可,，其進(jìn)出口間裝有液壓單向閥,、節(jié)流閥及補(bǔ)油杯,。當(dāng)氣缸右端供氣時(shí),，氣缸克服載荷帶動液壓缸活塞向左運(yùn)動（氣缸左端排氣），此時(shí)液壓缸左端排油,，單向閥關(guān)閉，油只能通過節(jié)流閥流入液壓缸右腔及油杯內(nèi)，這時(shí)若將節(jié)流閥閥口開大,，則液壓缸左腔排油通暢,，兩活塞運(yùn)動速度就快，反之,，若將節(jié)流閥閥口關(guān)小,，液壓缸左腔排油受阻，兩活塞運(yùn)動速度會減慢,。這樣,，調(diào)節(jié)節(jié)流閥開口大小，就能控制活塞的運(yùn)動速度,?？梢钥闯觯瑲庖鹤枘岣椎妮敵隽?yīng)是氣缸中壓縮空氣產(chǎn)生的力（推力或拉力）與液壓缸中油的阻尼力之差,。

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上海維特銳實(shí)業(yè)發(fā)展有限公司現(xiàn)貨供應(yīng)日本SMC氣缸系列產(chǎn)品,，如需詳細(xì)了解請點(diǎn)擊：SMC氣缸