
威(wei)海力(li)建液壓設(she)備廠
經(jing)營模式:生產(chan)加工
地址:山東省(sheng)威海市羊亭孫家灘工業(ye)園
主營:液壓(ya)缸(gang),油缸(gang),液壓(ya)系統(tong)
業務(wu)熱線:
QQ:3049278720
修復工藝:
1、用氧(yang)-乙que火焰烤劃傷(shang)部(bu)位(掌(zhang)握溫(wen)度,避免表面退火),將常(chang)年滲金屬表面的油烤出來,烤到沒有火花四濺。
2、將劃傷部位用(yong)角(jiao)磨機表(biao)面處理(li),打(da)磨深度1毫(hao)米(mi)以上,并沿導軌打(da)磨出溝槽,燕尾槽。劃傷兩端鉆孔加深,改(gai)變受力情況。
3、用脫脂棉蘸丙(bing)tong或無水乙(yi)醇將表面清洗干(gan)凈。(威海(hai)力建(jian)液壓設備廠)





3、叉車(che)叉架下降速度太快
故障(zhang)檢(jian)查:節流閥卡在打開(kai)位(wei)置或(huo)裝反
故障排除:重裝節流閥
4、叉車起升缸自(zi)由下(xia)滑(hua)量太大(da)或傾(qing)斜(xie)缸自(zi)傾(qing)角(jiao)太大(da)
故障(zhang)檢(jian)查:換(huan)向閥閥桿內(nei)泄(xie)漏太大,傾斜(xie)缸(gang)活(huo)塞密封圈(quan)失效內(nei)漏
故障(zhang)排除(chu):更換閥桿或更換密封圈(quan)
5、液壓缸活塞桿帶(dai)油
故障檢查:油封是否損壞
故障(zhang)排除:更換(huan)油封(威海力建冶金液壓設備廠推薦(jian))
零(ling)部件加工(gong)(gong)(gong)精(jing)度(du)(du)的影響問(wen)題,在液壓缸的制(zhi)造過程中應嚴格控制(zhi)缸體(ti)內(nei)(nei)壁和(he)活(huo)塞桿(gan)表面加工(gong)(gong)(gong)精(jing)度(du)(du),特別是幾何精(jing)度(du)(du),尤其直(zhi)(zhi)線(xian)(xian)(xian)度(du)(du)是關鍵,在國(guo)內(nei)(nei)加工(gong)(gong)(gong)工(gong)(gong)(gong)藝中,活(huo)塞桿(gan)表面的加工(gong)(gong)(gong)基本上(shang)是車后磨削(xue),保(bao)證(zheng)直(zhi)(zhi)線(xian)(xian)(xian)度(du)(du)問(wen)題不(bu)(bu)大,但(dan)對(dui)于(yu)缸體(ti)內(nei)(nei)壁的加工(gong)(gong)(gong),其加工(gong)(gong)(gong)方法很多,有(you)鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩磨、直(zhi)(zhi)接(jie)珩磨等,但(dan)由于(yu)國(guo)內(nei)(nei)材(cai)料(liao)的基礎水平較國(guo)外(wai)有(you)差距,管材(cai)坯料(liao)直(zhi)(zhi)線(xian)(xian)(xian)度(du)(du)差,壁厚不(bu)(bu)均勻、硬度(du)(du)不(bu)(bu)均勻等因素,往往直(zhi)(zhi)接(jie)影響缸體(ti)內(nei)(nei)壁加工(gong)(gong)(gong)后的直(zhi)(zhi)線(xian)(xian)(xian)度(du)(du),因此建議采用(yong)鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩磨工(gong)(gong)(gong)藝,如直(zhi)(zhi)接(jie)珩磨,則(ze)必(bi)須首先提高管材(cai)坯料(liao)的直(zhi)(zhi)線(xian)(xian)(xian)度(du)(du)。
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在允許的(de)情況下(xia),液壓缸的(de)缸體壁厚(hou)安全(quan)系數盡量選大一些(xie),使缸體厚(hou)壁增加,特別是高壓工(gong)況下(xia)使用(yong)的(de)油(you)缸,以(yi)減小油(you)壓下(xia)的(de)缸體變形(xing),變形(xing)后的(de)缸體也會引(yin)起液壓缸低速爬行。

李建波先生
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