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技术研讨

真空吸盘应用选型和设计技术指南

发布时间:2019-04-09 10:11

    baweixingzhenkongbengyongyuwutixifushi,shijishangshiyongbengduixipanchouzhenkonghouxizhuwuti,kexuanyongwogongsiweixingzhenkongbeng,ruc30、c50、c60xiliechanpinerbunengxuanyongqitiquyangbeng。

免费漫画大全动漫    

一、吸附力计算

从理论上可以计算吸附力的大小。方法如下:
 

F≈10-2(101-P绝对压力)S吸盘面积

   
上式中,

        f:lilunxifulidaxiao,danwei:kgf(gongjinli)

        pjueduiyali:weiweixingzhenkongbengdejueduizhenkongdu,danweiqu:kpa(qianpa)

        S吸盘面积:为吸盘有效面积,单位取:cm2(平方厘米)

 

免费漫画大全动漫        congshangshikeyikandao,xifulidedaxiaolilunshangyubengdeliuliangwuguan,danzaishijishiyongzhongyuliuliangcanshushixiangguande。yuanyinruxia:yinweiqiluxitongbukenengzuodaolilunmifeng,zongyouyidingdexielou。zaizheizhongqingkuangxia,weixingzhenkongbengdeliuliangyueda,xielouliangsuozhandebiliyuexiao,yueyouliyubengweichijiaogaodezhenkongdu,congerdedaogengdadexifuli。biru,you2taijixianzhenkongduxiangtongdebeng,abengliuliangwei1 l/min,bbengliuliangwei20 l/min,tongyangzai0.1 l/mindexielouqingkuangxia,abengdezhenkongduhuijiangdihenduo,yinwei0.1 l/mindexielouduitaeryantaidale。dan0.1 l/mindexielouduibbenglaishuobusuanshenme,rengrankeyiweichijiaogaodezhenkongdu。yinci,suiranerzhezhenkongduxiangtong,danzaishijizhong,bbengchanshengdexifuligengda。 yinci,bengxuanxingshibixutongshikaolvzhenkongduheliulianglianggezhibiao,zhizhongshizhenkongduzhibiaoshibuqieshijide。


二、吸附时间

zhenkongbengduimibirongqichouzhenkongshi,rongqineibuzhenkongdudetigaoyuchouqishijiandehanshuguanxiruxia:


 

免费漫画大全动漫       shizhong:pweirongqineideyali(ji:jueduizhenkongdu);tweizibianliang,shichouqishijian

      K3为泵的极限真空度值,K1、K2免费漫画大全动漫为与泵、容器大小、环境压力等相关的常数。   

 
函数曲线示意图如下:      


由此可以看出,在抽气初期,容器内压力下降(即:真空度的提高)很快,而后呈指数关系衰减,越来越慢,并无限逼近泵的极限真空度值。


三、释放物体

免费漫画大全动漫 dangxuyaoshifangbeixizhudewutishi,shouxianbixushibengtingji,buyaojixuchouzhenkong。bengtingjihou,wutibuyidinghuilijituoluo,yinweibengdouyouyidingdebaoyanengli,zhenkonghaijiangjixuweichiyihuier。yaoxianglijishifang,qiluxitongyingzaizengjiayitiaozhilu,lianjieyikaiguanfa,bengtingjibingtongshidakaifamen,lijixiaochuqiluxitongzhenkong,zheiyangcainengkekaodishifangwuti。

 



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