
威(wei)海力建(jian)液壓(ya)設(she)備廠
經營模式:生產(chan)加工(gong)
地址:山(shan)東省威海市羊亭孫家灘工(gong)業園
主營:液壓(ya)(ya)缸,油缸,液壓(ya)(ya)系統(tong)
業務(wu)熱線(xian):
QQ:3049278720
b.管(guan)(guan)(guan)(guan)子加工時形成的切(qie)屑。管(guan)(guan)(guan)(guan)子在(zai)(zai)定尺加工之后,在(zai)(zai)做(zuo)兩(liang)端去(qu)毛刺操(cao)作(zuo)(zuo)時,不應(ying)有遺留。再者,在(zai)(zai)做(zuo)焊接(jie)(jie)管(guan)(guan)(guan)(guan)路操(cao)作(zuo)(zuo)的場(chang)地附近放(fang)置(zhi)鋼管(guan)(guan)(guan)(guan),是(shi)造成焊接(jie)(jie)異物混(hun)進的原因。在(zai)(zai)焊接(jie)(jie)操(cao)作(zuo)(zuo)地點附近放(fang)置(zhi)的管(guan)(guan)(guan)(guan)子,管(guan)(guan)(guan)(guan)口(kou)都(dou)要封住(zhu)。還必須注意(yi)的是(shi),管(guan)(guan)(guan)(guan)件材料(liao)應(ying)在(zai)(zai)無(wu)塵(chen)土的工作(zuo)(zuo)臺上備置(zhi)齊全(quan)。
c.密封帶進入缸內(nei)。作(zuo)為簡(jian)便的密封材料,在安裝和檢驗中經常采用聚四(si)氟乙烯塑(su)料密封帶,





4、金(jin)屬修復(fu)(fu)(fu)材(cai)料(liao)涂(tu)(tu)抹到(dao)劃(hua)傷(shang)表(biao)面(mian)(mian);第yi層(ceng)要薄,要均勻且全部(bu)(bu)覆蓋劃(hua)傷(shang)面(mian)(mian),以(yi)確保材(cai)料(liao)與金(jin)屬表(biao)面(mian)(mian)hao的粘接,再(zai)將材(cai)料(liao)涂(tu)(tu)至整個修復(fu)(fu)(fu)部(bu)(bu)位后(hou)反復(fu)(fu)(fu)按(an)壓,確保材(cai)料(liao)填實并達到(dao)所需厚度,使之比(bi)導軌(gui)表(biao)面(mian)(mian)略高。
5、材料在24℃下完全達到(dao)各項性能需要24小時,為了節省時間(jian),可以通過鹵鎢燈提高溫(wen)(wen)度(du),溫(wen)(wen)度(du)每提升11℃,固(gu)化時間(jian)就會(hui)縮短一半,固(gu)化溫(wen)(wen)度(du)70℃。
零部件加(jia)工(gong)(gong)(gong)(gong)精度(du)(du)的影(ying)響問(wen)題,在(zai)液壓(ya)缸(gang)的制造過(guo)程中應嚴格控制缸(gang)體(ti)內(nei)壁(bi)和活塞桿表面加(jia)工(gong)(gong)(gong)(gong)精度(du)(du),特別是(shi)幾何精度(du)(du),尤其直(zhi)線度(du)(du)是(shi)關鍵(jian),在(zai)國(guo)內(nei)加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝中,活塞桿表面的加(jia)工(gong)(gong)(gong)(gong)基本上(shang)是(shi)車后磨(mo)削(xue),保證直(zhi)線度(du)(du)問(wen)題不(bu)大,但對于(yu)(yu)缸(gang)體(ti)內(nei)壁(bi)的加(jia)工(gong)(gong)(gong)(gong),其加(jia)工(gong)(gong)(gong)(gong)方法很(hen)多,有鏜削(xue)-滾壓(ya)、鏜削(xue)-珩(heng)磨(mo)、直(zhi)接(jie)珩(heng)磨(mo)等,但由于(yu)(yu)國(guo)內(nei)材(cai)料(liao)的基礎水平較國(guo)外有差距(ju),管(guan)材(cai)坯(pi)料(liao)直(zhi)線度(du)(du)差,壁(bi)厚不(bu)均勻、硬度(du)(du)不(bu)均勻等因素(su),往(wang)往(wang)直(zhi)接(jie)影(ying)響缸(gang)體(ti)內(nei)壁(bi)加(jia)工(gong)(gong)(gong)(gong)后的直(zhi)線度(du)(du),因此建(jian)議采用鏜削(xue)-滾壓(ya)、鏜削(xue)-珩(heng)磨(mo)工(gong)(gong)(gong)(gong)藝,如直(zhi)接(jie)珩(heng)磨(mo),則必須首先提高管(guan)材(cai)坯(pi)料(liao)的直(zhi)線度(du)(du)。
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在允許的(de)情況(kuang)下(xia),液壓(ya)缸(gang)的(de)缸(gang)體(ti)壁(bi)厚(hou)安全系數(shu)盡量選大(da)一(yi)些,使缸(gang)體(ti)厚(hou)壁(bi)增加,特別是高(gao)壓(ya)工況(kuang)下(xia)使用的(de)油缸(gang),以(yi)減(jian)小(xiao)油壓(ya)下(xia)的(de)缸(gang)體(ti)變形(xing),變形(xing)后(hou)的(de)缸(gang)體(ti)也會(hui)引起(qi)液壓(ya)缸(gang)低速爬行(xing)。