SMC針形氣缸,smc空氣過濾器減壓閥,日本smc先導(dǎo)活塞式減壓閥
SMC氣缸工作原理
根據(jù)工作所需力的大小來確定活塞桿上的推力和拉力。由此來選擇SMC氣缸時應(yīng)使SMC氣缸的輸出力稍有余量。若缸徑選小了，輸出力不夠，SMC氣缸不能正常工作；但缸徑過大，不僅使設(shè)備笨重、成本高，同時耗氣量增大，造成能源浪費。在夾具設(shè)計時，應(yīng)盡量采用增力機(jī)構(gòu)，以減少SMC氣缸的尺寸。
 
1）缸筒，缸筒的內(nèi)徑大小代表了SMC氣缸輸出力的大小?；钊诟淄矁?nèi)做平穩(wěn)的往復(fù)滑動，缸筒內(nèi)表面的表面粗糙度應(yīng)達(dá)到Ra0.8um。對鋼管缸筒，內(nèi)表面還應(yīng)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(qiáng)度鋁合金和黃銅。小型SMC氣缸有使用不銹鋼管的。帶磁性開關(guān)的SMC氣缸或在耐腐蝕環(huán)境中使用的SMC氣缸，缸筒應(yīng)使用不銹鋼、鋁合金或黃銅等材質(zhì)。 CM2SMC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(shè)有進(jìn)排氣通口，有的還在端蓋內(nèi)設(shè)有緩沖機(jī)構(gòu)。桿側(cè)端蓋上設(shè)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(shè)有導(dǎo)向套，以提高SMC氣缸的導(dǎo)向精度，承受活塞桿上少量的橫向負(fù)載，減小活塞桿伸出時的下彎量，延長SMC氣缸使用壽命。導(dǎo)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。

SMC針形氣缸,smc空氣過濾器減壓閥,日本smc先導(dǎo)活塞式減壓閥
3）活塞，活塞是SMC氣缸中的受壓力零件。為防止活塞左右兩腔相互竄氣，設(shè)有活塞密封圈?；钊系哪湍キh(huán)可提高SMC氣缸的導(dǎo)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?；钊膶挾扔擅芊馊Τ叽绾捅匾幕瑒硬糠珠L度來決定?；瑒硬糠痔?，易引起早期磨損和卡死?；钊牟馁|(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SMC氣缸中重要的受力零件。通常使用高碳鋼，表面經(jīng)鍍硬鉻處理，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(fù)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）SMC氣缸工作時要靠壓縮空氣中的油霧對活塞進(jìn)行潤滑。也有小部分免潤滑SMC氣缸。

日本SMC針形氣缸特長缸徑φ4-5st也可安裝2個磁性開關(guān)。能連接φ2快換接頭、速度控制閥。帶磁性開關(guān)（CDJP2系列：CDJP2）SMC氣缸是由缸筒、端蓋、活塞、活塞桿和密封件組成，
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SMC針形氣缸,smc空氣過濾器減壓閥,日本smc先導(dǎo)活塞式減壓閥
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