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标准椭圆封(feng)头
 
标准椭圆封头

椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)又名为(wei)椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)、椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)即为(wei)由(you)旋(xuan)(xuan)转(zhuan)椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)球面和圆(yuan)(yuan)(yuan)(yuan)筒(tong)形(xing)(xing)(xing)(xing)(xing)直段两部分组(zu)成(cheng)的(de)(de)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)。 其作用(yong)就是1.管道到(dao)头(tou)(tou)(tou)(tou)(tou)了,不(bu)准(zhun)备现(xian)延(yan)伸(shen)了,就用(yong)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)焊到(dao)管子上,做(zuo)为(wei)一(yi)个末端来(lai)使用(yong)。2.用(yong)在压力容(rong)器上,上下各有(you)一(yi)个封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou),中间(jian)是一(yi)个直管段,做(zuo)为(wei)压力容(rong)器的(de)(de)罐子用(yong)。 旋(xuan)(xuan)转(zhuan)椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)球面母(mu)线(xian)的(de)(de)长、短轴之比(bi)为(wei)2.0的(de)(de)椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou),习惯上称为(wei)标准(zhun)椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)。 椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)的(de)(de)力学性能仅次于(yu)半球封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou),但(dan)优于(yu)碟形(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)。由(you)于(yu)椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)的(de)(de)深度(du)介于(yu)半球形(xing)(xing)(xing)(xing)(xing)和碟形(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)之间(jian),对冲压设备及(ji)模具(ju)的(de)(de)要求、制(zhi)造难度(du)亦介于(yu)两者之间(jian),即比(bi)半球封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)容(rong)易,比(bi)碟形(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)困难。近年来(lai)由(you)于(yu)采用(yong)旋(xuan)(xuan)压制(zhi)造工(gong)艺(yi),为(wei)制(zhi)造大直径椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)形(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)带(dai)来(lai)了方(fang)便。 椭(tuo)(tuo)(tuo)(tuo)圆(yuan)(yuan)(yuan)(yuan)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)头(tou)(tou)(tou)(tou)(tou)因(yin)综(zong)合性能较好,被广泛用(yong)于(yu)中低压容(rong)器。

 
 
 
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