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18832795886
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18832795886壓(ya)砂(sha)平(ping)板(ban)(ban)(ban)(ban)具(ju)體適用于用于機(ji)械(xie)、發動(dong)機(ji)的(de)(de)動(dong)力(li)實驗,壓(ya)砂(sha)平(ping)板(ban)(ban)(ban)(ban)的(de)(de)材質為(wei):高磷、合金、球墨,壓(ya)砂(sha)平(ping)板(ban)(ban)(ban)(ban)按JB/T7974—99標準制(zhi)造,壓(ya)砂(sha)平(ping)板(ban)(ban)(ban)(ban)在(zai)工業生(sheng)產中的(de)(de)別名為(wei):壓(ya)砂(sha)平(ping)板(ban)(ban)(ban)(ban)具(ju)體適用于用于機(ji)械(xie)、發動(dong)機(ji)的(de)(de)動(dong)力(li)實驗,壓(ya)砂(sha)平(ping)板(ban)(ban)(ban)(ban),壓(ya)砂(sha)平(ping)臺的(de)(de)材質為(wei):高磷、合金、球墨壓(ya)砂(sha)平(ping)板(ban)(ban)(ban)(ban),高磷壓(ya)砂(sha)平(ping)臺,在(zai)機(ji)械(xie)制(zhi)造中也是的(de)(de)基本(ben)工具(ju);
18832795886
壓(ya)(ya)砂(sha)(sha)平板(ban)(ban)(ban)(ban)(ban)具體(ti)適用(yong)于(yu)用(yong)于(yu)機(ji)械、發動(dong)機(ji)的(de)(de)動(dong)力實驗(yan),壓(ya)(ya)砂(sha)(sha)平板(ban)(ban)(ban)(ban)(ban)的(de)(de)材質為:高(gao)磷、合金、球墨,壓(ya)(ya)砂(sha)(sha)平板(ban)(ban)(ban)(ban)(ban)按JB/T7974—99標準制造(zao),壓(ya)(ya)砂(sha)(sha)平板(ban)(ban)(ban)(ban)(ban)在工(gong)(gong)業生產中的(de)(de)別名為:壓(ya)(ya)砂(sha)(sha)平板(ban)(ban)(ban)(ban)(ban)具體(ti)適用(yong)于(yu)用(yong)于(yu)機(ji)械、發動(dong)機(ji)的(de)(de)動(dong)力實驗(yan),壓(ya)(ya)砂(sha)(sha)平板(ban)(ban)(ban)(ban)(ban),壓(ya)(ya)砂(sha)(sha)平臺的(de)(de)材質為:高(gao)磷、合金、球墨壓(ya)(ya)砂(sha)(sha)平板(ban)(ban)(ban)(ban)(ban),高(gao)磷壓(ya)(ya)砂(sha)(sha)平臺,在機(ji)械制造(zao)中也(ye)是的(de)(de)基本工(gong)(gong)具;
壓砂平板工作面采用刮削即人工刮研工藝,研磨工藝。壓砂平板,壓砂平臺的精度:鑄鐵平臺按標準計量檢定規(gui)程執行(xing),分別(bie)為0級(ji)、1級(ji)、2級(ji)、3級(ji)鑄鐵平臺四個(ge)等級(ji)。
壓(ya)砂(sha)(sha)平(ping)(ping)(ping)板是(shi)在的基礎上(shang)將平(ping)(ping)(ping)板工(gong)作面嵌(qian)入均勻(yun)的研(yan)(yan)磨砂(sha)(sha),將壓(ya)砂(sha)(sha)平(ping)(ping)(ping)板作為干(gan)研(yan)(yan)工(gong)具可以使工(gong)件獲得很高(gao)(gao)的光(guang)潔度及尺寸公差,壓(ya)砂(sha)(sha)平(ping)(ping)(ping)板大部分選用球(qiu)磨鑄鐵或高(gao)(gao)磷(lin)低合金(jin)球(qiu)磨鑄鐵作為原料,以下是(shi)壓(ya)砂(sha)(sha)平(ping)(ping)(ping)板的壓(ya)砂(sha)(sha)工(gong)藝介紹(shao):平(ping)(ping)(ping)板的研(yan)(yan)磨方法一般有(you)兩(liang)種(zhong):一種(zhong)是(shi)三(san)板互(hu)研(yan)(yan)法,這種(zhong)方法壓(ya)砂(sha)(sha)的結果是(shi),三(san)塊平(ping)(ping)(ping)板平(ping)(ping)(ping)面度都很好,三(san)塊平(ping)(ping)(ping)板的壓(ya)砂(sha)(sha)效果基本一樣,并(bing)且三(san)塊平(ping)(ping)(ping)板都可以使用,不(bu)經常壓(ya)砂(sha)(sha),但(dan)對(dui)修理技術要求較高(gao)(gao),所謂三(san)板互(hu)研(yan)(yan)法是(shi)指三(san)塊平(ping)(ping)(ping)板互(hu)相之間依次互(hu)研(yan)(yan),并(bing)且每塊平(ping)(ping)(ping)板只(zhi)能(neng)當下板兩(liang)遍,實際共研(yan)(yan)磨6遍。
另一(yi)種方(fang)法(fa)(fa)是兩塊(kuai)板(ban)(ban)(ban)互研法(fa)(fa),也叫子母板(ban)(ban)(ban)壓(ya)法(fa)(fa)。這種方(fang)法(fa)(fa)是只(zhi)(zhi)用(yong)(yong)兩塊(kuai)平(ping)板(ban)(ban)(ban)一(yi)上一(yi)下互研,用(yong)(yong)這種方(fang)法(fa)(fa)壓(ya)砂(sha)結果是,兩塊(kuai)平(ping)板(ban)(ban)(ban)的(de)平(ping)面度基本吻合,上面平(ping)板(ban)(ban)(ban)的(de)平(ping)面度凹,下板(ban)(ban)(ban)的(de)平(ping)面度凸,并且下板(ban)(ban)(ban)的(de)壓(ya)砂(sha)效果要比上板(ban)(ban)(ban)的(de)好。由于(yu)上板(ban)(ban)(ban)中間凹,不(bu)(bu)容易修理量(liang)塊(kuai),一(yi)般不(bu)(bu)用(yong)(yong)上板(ban)(ban)(ban),只(zhi)(zhi)用(yong)(yong)下板(ban)(ban)(ban)。缺點是下板(ban)(ban)(ban)的(de)凸起程度不(bu)(bu)易控制,只(zhi)(zhi)能用(yong)(yong)一(yi)塊(kuai)平(ping)板(ban)(ban)(ban)。每(mei)次壓(ya)砂(sha)時(shi)需要研磨3至4遍才可以完成。每(mei)遍6分鐘左右。兩種方(fang)法(fa)(fa)相比較,通常還是選(xuan)擇前者。
壓砂(sha)平(ping)(ping)板是(shi)檢(jian)驗(yan)各(ge)種另件(jian)的(de)(de)面性(xing)(用光隙(xi)法),修理(li)各(ge)種量(liang)塊、工卡(ka)量(liang)具、光學另件(jian)及測量(liang)精度和另件(jian)的(de)(de)工具的(de)(de)平(ping)(ping)直度的(de)(de)工具。壓砂(sha)平(ping)(ping)板做為修理(li)量(liang)塊的(de)(de)計(ji)量(liang)器具,它(ta)的(de)(de)好壞將直接(jie)影響著量(liang)塊的(de)(de)修理(li)質量(liang)。
量塊修理需要(yao)有一塊甚(shen)至幾塊壓(ya)砂效果(guo)(guo)的壓(ya)砂平臺。所(suo)謂壓(ya)砂效果(guo)(guo)指(zhi)的是(shi):
1、嵌砂(sha)性(xing)好,平(ping)板容易(yi)嵌砂(sha),嵌入的砂(sha)子(zi)牢固、。
2、壓砂過程簡單易(yi)操作。
3、切削鋒利。
4、修理(li)量塊容易達(da)到(dao)所(suo)需的表面(mian)粗(cu)糙度(du)。量塊修理(li)需要(yao)在幾秒(miao)鐘(zhong)或者幾十(shi)秒(miao)鐘(zhong)內完成平(ping)面(mian)度(du)、表面(mian)粗(cu)糙度(du)、中(zhong)間(jian)長度(du)的變動量等幾個技術指標。
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