smc薄型氣缸,CDJ2B10-120-A 日本smc電磁閥官網(wǎng),日本SMC電磁閥代理
薄型氣缸或稱緊湊型/短行程氣缸,是指相對(duì)于標(biāo)準(zhǔn)(如IS06432)氣缸來說,采用了某些減小尺寸的設(shè)計(jì)。使得氣缸在一定行程的前提下,相對(duì)標(biāo)準(zhǔn)氣缸來說做得更短。
薄型氣缸 -基本介紹 薄型氣缸是引導(dǎo)活塞在其中進(jìn)行直線往復(fù)運(yùn)動(dòng)的圓筒形金屬機(jī)件。工質(zhì)在發(fā)動(dòng)機(jī)氣缸中通過膨脹將熱能轉(zhuǎn)化為機(jī)械能;氣體在壓縮機(jī)氣缸中接受活塞壓縮而提高壓力。渦輪機(jī)、旋轉(zhuǎn)活塞式發(fā)動(dòng)機(jī)等的殼體通常也稱“氣缸”。
薄型氣缸,具有結(jié)構(gòu)緊湊、重量輕、占用空間小等優(yōu)點(diǎn)。
SMC薄型氣缸的組成結(jié)構(gòu)。
1、缸筒:缸筒內(nèi)表面光滑,不影響使用效率和效能。
2、端蓋:氣缸的端蓋上設(shè)有進(jìn)排氣通口,緩沖裝置。桿側(cè)端蓋上設(shè)有密封圈與防塵圈
3、活塞:在設(shè)計(jì)時(shí)設(shè)有活塞密封圈。
4、活塞桿:表面經(jīng)過鍍硬鉻處理,或者使用不銹鋼來防止腐蝕,并提高密封圈的耐磨性。
smc薄型氣缸,CDJ2B10-120-A 日本smc電磁閥官網(wǎng),日本SMC電磁閥代理
(1)SMC薄型氣缸膜片有平膜片和盤形膜片兩種一般用夾織物橡膠、鋼片或磷青銅片制成,厚度為5~6mm(有用1~2mm厚膜片的)。所示的膜片氣缸的功能類似于彈璜復(fù)位的活塞式單作用氣缸,工作時(shí),膜片在壓縮空氣作用下推動(dòng)活塞桿運(yùn)動(dòng)。它的優(yōu)點(diǎn)是:結(jié)構(gòu)簡(jiǎn)單、緊湊、體積小、重量輕、密封性好、不易漏氣、加工簡(jiǎn)單、成本低、無磨損件、維修方便等,適用于行程短的場(chǎng)合。缺點(diǎn)是行程短,一般不趁過50mm。平膜片的行程更短,約為其直徑的1/10。
(2)磁性開關(guān)氣缸磁性開關(guān)氣缸是指在氣缸的活塞上安裝有磁環(huán),在缸筒上直接安裝磁性開關(guān),磁性開關(guān)用來檢測(cè)氣缸行程的位置,控制氣缸往復(fù)運(yùn)動(dòng)。因此,就不需要在缸筒上安裝行程閥或行程開關(guān)來檢測(cè)氣缸活塞位置,也不需要在活塞桿上設(shè)置擋塊。其工作原理如圖13-4所示。它是在氣缸活塞上安裝*磁環(huán),在缸筒外殼上裝有舌璜開關(guān)。開關(guān)內(nèi)裝有舌璜片、保護(hù)電路和動(dòng)作指示燈等,均用樹脂塑封在一個(gè)盒子內(nèi)。當(dāng)裝有*磁鐵的活塞運(yùn)動(dòng)到舌璜片附近,磁力線通過舌璜片使其磁化,兩個(gè)璜片被吸引接觸,則開關(guān)接通。當(dāng)*磁鐵返回離開時(shí),磁場(chǎng)減弱,兩璜片彈開,則開關(guān)斷開。由于開關(guān)的接通或斷開,使電磁閥換向,從而實(shí)現(xiàn)氣缸的往復(fù)運(yùn)動(dòng)。
安裝
1.活塞桿的軸線與負(fù)載移動(dòng)方向應(yīng)保持一直。
如果不*,活塞桿和缸筒會(huì)產(chǎn)生別勁。缸筒內(nèi)表面、導(dǎo)向套和活塞桿的表面以及密封件容易磨耗和破損。
2.使用外部導(dǎo)向的場(chǎng)合,桿前段與負(fù)載的連接,在行程的任何位置都不許有別勁存在。
3.缸筒及活塞桿的滑動(dòng)部位不允許被物體撞上或劃傷。
因缸筒內(nèi)表面是精密加工制作的,稍許變形就會(huì)造成氣缸動(dòng)作不良?;钊麠U滑動(dòng)部位的傷痕會(huì)招致密封件損傷造成漏氣。
4.回轉(zhuǎn)部位(如銷軸)要涂上潤(rùn)滑脂,以防止燒結(jié)。
smc薄型氣缸,CDJ2B10-120-A 日本smc電磁閥官網(wǎng),日本SMC電磁閥代理
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