送(song)(song)粉(fen)氣(qi)(qi)的(de)(de)(de)壓力和(he)流量對(dui)涂(tu)(tu)層質(zhi)量的(de)(de)(de)影響也很大(da)。對(dui)外送(song)(song)粉(fen)噴槍而言，送(song)(song)粉(fen)氣(qi)(qi)對(dui)涂(tu)(tu)層質(zhi)量的(de)(de)(de)影響尤其嚴(yan)(yan)重(zhong)。如圖所示(shi)，送(song)(song)粉(fen)氣(qi)(qi)壓力和(he)流量過小會(hui)使(shi)粉(fen)末(mo)(mo)難(nan)以到達焰(yan)流中心(xin)，過大(da)則(ze)會(hui)使(shi)粉(fen)末(mo)(mo)穿(chuan)過射流中心(xin)，產生嚴(yan)(yan)重(zhong)的(de)(de)(de)“邊(bian)界(jie)效應”，致使(shi)涂(tu)(tu)層疏松，結合強度降低。對(dui)于內送(song)(song)粉(fen)噴槍而言，送(song)(song)粉(fen)氣(qi)(qi)壓力和(he)流量過大(da)同(tong)樣不能(neng)(neng)把粉(fen)末(mo)(mo)送(song)(song)入焰(yan)心(xin)，若過小，則(ze)易造成堵(du)塞(sai)噴嘴，嚴(yan)(yan)重(zhong)時則(ze)會(hui)燒壞噴嘴（熱(re)噴涂(tu)(tu)與再制造）。若要很大(da)送(song)(song)粉(fen)氣(qi)(qi)壓力和(he)流量才能(neng)(neng)把粉(fen)末(mo)(mo)送(song)(song)入焰(yan)心(xin)，則(ze)須檢查供粉(fen)系統(tong)的(de)(de)(de)氣(qi)(qi)密性，是否漏氣(qi)(qi)。超音速(su)等離子(zi)噴槍工(gong)藝參(can)數，你知道多少？蘇州配件廠(chang)家(jia)

導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)離熔池很近，熔池的(de)溫度(du)又高(gao)達1700度(du)，使(shi)(shi)導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)在(zai)一(yi)個高(gao)溫的(de)惡劣環境中工作。導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)有(you)內(nei)孔(kong)(kong)，焊(han)絲從內(nei)孔(kong)(kong)不(bu)斷送出，導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)為銅質。所有(you)的(de)這些因素疊加在(zai)一(yi)起(qi)，就是(shi)導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)使(shi)(shi)用(yong)場景的(de)真實(shi)現(xian)狀(zhuang)。只要導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)一(yi)使(shi)(shi)用(yong)，內(nei)孔(kong)(kong)就開始磨損而慢(man)慢(man)變大(da)，導(dao)電(dian)(dian)(dian)性能(neng)就會降低。導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)使(shi)(shi)用(yong)的(de)過(guo)程，就是(shi)導(dao)電(dian)(dian)(dian)性能(neng)慢(man)慢(man)衰減的(de)過(guo)程，也(ye)是(shi)焊(han)接(jie)品(pin)質也(ye)會越使(shi)(shi)用(yong)越差。即便是(shi)更(geng)換頻(pin)率(lv)提高(gao)到(dao)1小(xiao)時更(geng)換一(yi)次(ci)，1小(xiao)時前剛(gang)更(geng)換導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)時焊(han)接(jie)的(de)產(chan)品(pin)與使(shi)(shi)用(yong)1小(xiao)時后(hou)的(de)導(dao)電(dian)(dian)(dian)嘴(zui)(zui)(zui)焊(han)接(jie)的(de)產(chan)品(pin)，焊(han)縫質量也(ye)有(you)差異。浙江拉瓦爾(er)噴(pen)管配(pei)件(jian)規格應(ying)注意電(dian)(dian)(dian)極頭與電(dian)(dian)(dian)極連桿之間形成良好的(de)裝配(pei)配(pei)合，避免(mian)漏水(shui)、滲水(shui)現(xian)象發生。

等(deng)離(li)子(zi)噴(pen)(pen)槍(qiang)工藝氣(qi)(qi)(qi)(qi)體進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)方(fang)(fang)式：噴(pen)(pen)槍(qiang)工作(zuo)氣(qi)(qi)(qi)(qi)體的(de)(de)(de)(de)(de)進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)方(fang)(fang)式指氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)進(jin)(jin)(jin)入噴(pen)(pen)嘴壓縮(suo)(suo)錐面(mian)(mian)(mian)和電極(ji)錐面(mian)(mian)(mian)之(zhi)間(jian)(jian)的(de)(de)(de)(de)(de)狹小間(jian)(jian)隙，進(jin)(jin)(jin)而流(liu)(liu)(liu)向壓縮(suo)(suo)孔(kong)的(de)(de)(de)(de)(de)路徑(jing)，分(fen)為旋流(liu)(liu)(liu)進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)和直流(liu)(liu)(liu)進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)兩種。旋流(liu)(liu)(liu)進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)。旋流(liu)(liu)(liu)進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)方(fang)(fang)式，一般氬氣(qi)(qi)(qi)(qi)采(cai)用這(zhe)種進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)方(fang)(fang)式。這(zhe)種進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)是靠隔熱環的(de)(de)(de)(de)(de)端面(mian)(mian)(mian)上開有(you)(you)兩個切線方(fang)(fang)向的(de)(de)(de)(de)(de)進(jin)(jin)(jin)氣(qi)(qi)(qi)(qi)孔(kong)來實現的(de)(de)(de)(de)(de)。氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)沿隔熱環內(nei)孔(kong)和噴(pen)(pen)嘴內(nei)錐孔(kong)的(de)(de)(de)(de)(de)壁面(mian)(mian)(mian)流(liu)(liu)(liu)動，一方(fang)(fang)面(mian)(mian)(mian)能使(shi)電弧陽極(ji)斑點沿孔(kong)道壁面(mian)(mian)(mian)旋轉；另方(fang)(fang)面(mian)(mian)(mian)增加了氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)的(de)(de)(de)(de)(de)速度(du)，使(shi)噴(pen)(pen)嘴的(de)(de)(de)(de)(de)中(zhong)心(xin)部位和壁面(mian)(mian)(mian)附近的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)形成(cheng)壓力(li)差，造成(cheng)壁面(mian)(mian)(mian)附近出現層冷氣(qi)(qi)(qi)(qi)膜。它(ta)不只(zhi)對(dui)(dui)噴(pen)(pen)嘴和陰極(ji)起保護作(zuo)用，使(shi)其能承受更大(da)的(de)(de)(de)(de)(de)電流(liu)(liu)(liu)，而且提高了中(zhong)心(xin)部位的(de)(de)(de)(de)(de)電離(li)度(du)，使(shi)電弧在(zai)中(zhong)心(xin)部位受到(dao)很強的(de)(de)(de)(de)(de)壓縮(suo)(suo)作(zuo)用。即使(shi)在(zai)工作(zuo)氣(qi)(qi)(qi)(qi)體流(liu)(liu)(liu)量有(you)(you)波動的(de)(de)(de)(de)(de)情(qing)況下，對(dui)(dui)中(zhong)心(xin)部位的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)流(liu)(liu)(liu)密度(du)影響也不大(da)，這(zhe)就(jiu)使(shi)等(deng)離(li)子(zi)弧能處(chu)于較穩定的(de)(de)(de)(de)(de)工作(zuo)狀(zhuang)態。

超音(yin)速等離子(zi)(zi)噴(pen)(pen)槍工藝參數(shu)，你知道多少？主(zhu)氣(qi)的(de)(de)(de)流(liu)(liu)量(liang)(liang)是重要的(de)(de)(de)工藝參數(shu)之(zhi)(zhi)一，它直接影響到等離子(zi)(zi)焰流(liu)(liu)的(de)(de)(de)熱(re)(re)(re)焓和速度(du)(du)，繼而影響噴(pen)(pen)涂(tu)(tu)效率(lv)(lv)(lv)和涂(tu)(tu)層孔(kong)隙率(lv)(lv)(lv)等。當(dang)噴(pen)(pen)涂(tu)(tu)功率(lv)(lv)(lv)一定時，主(zhu)氣(qi)流(liu)(liu)量(liang)(liang)過(guo)(guo)(guo)大(da)或過(guo)(guo)(guo)小(xiao)(xiao)均會(hui)導致噴(pen)(pen)涂(tu)(tu)效率(lv)(lv)(lv)的(de)(de)(de)降(jiang)低和涂(tu)(tu)層孔(kong)隙率(lv)(lv)(lv)的(de)(de)(de)增加(jia)(jia)（熱(re)(re)(re)噴(pen)(pen)涂(tu)(tu)與(yu)再(zai)制造）。氣(qi)流(liu)(liu)量(liang)(liang)過(guo)(guo)(guo)大(da)，離子(zi)(zi)濃度(du)(du)減(jian)少，過(guo)(guo)(guo)量(liang)(liang)的(de)(de)(de)氣(qi)體會(hui)冷(leng)卻等離子(zi)(zi)的(de)(de)(de)焰流(liu)(liu)，不利(li)于(yu)粉末(mo)的(de)(de)(de)加(jia)(jia)熱(re)(re)(re)，粉末(mo)熔(rong)化不充分，使(shi)噴(pen)(pen)涂(tu)(tu)效率(lv)(lv)(lv)降(jiang)低，涂(tu)(tu)層組織疏松，孔(kong)隙率(lv)(lv)(lv)增加(jia)(jia)；反(fan)之(zhi)(zhi)主(zhu)氣(qi)流(liu)(liu)量(liang)(liang)太小(xiao)(xiao)，會(hui)使(shi)焰流(liu)(liu)軟弱無力，次級氣(qi)在工作氣(qi)體中的(de)(de)(de)相(xiang)對含量(liang)(liang)增加(jia)(jia)，造成射流(liu)(liu)熱(re)(re)(re)焓和溫度(du)(du)的(de)(de)(de)提高，使(shi)噴(pen)(pen)涂(tu)(tu)粉末(mo)過(guo)(guo)(guo)熔(rong)。安裝等離子(zi)(zi)噴(pen)(pen)槍時可盡可能與(yu)金屬支架結合，以利(li)于(yu)散熱(re)(re)(re)。

超音速(su)噴(pen)(pen)(pen)(pen)涂基本特(te)點：典型(xing)(xing)(xing)的(de)(de)(de)火(huo)(huo)焰(yan)(yan)絲超音速(su)火(huo)(huo)焰(yan)(yan)噴(pen)(pen)(pen)(pen)涂設備組成(cheng)，包括氧(yang)乙炔(gui)供給系(xi)統(tong)、壓(ya)(ya)縮(suo)空氣(qi)(qi)(qi)(qi)供給系(xi)統(tong)、絲架、噴(pen)(pen)(pen)(pen)槍(qiang)等(deng)(deng)。1.氧(yang)氣(qi)(qi)(qi)(qi)-乙炔(gui)供應(ying)系(xi)統(tong)。該系(xi)統(tong)由氣(qi)(qi)(qi)(qi)源、壓(ya)(ya)力(li)流(liu)量調節裝置、防回火(huo)(huo)器和(he)輸氣(qi)(qi)(qi)(qi)管道組成(cheng)。大(da)多數氣(qi)(qi)(qi)(qi)源是(shi)(shi)瓶裝氧(yang)氣(qi)(qi)(qi)(qi)和(he)乙炔(gui)。用(yong)于(yu)壓(ya)(ya)力(li)調節的(de)(de)(de)氧(yang)氣(qi)(qi)(qi)(qi)減壓(ya)(ya)閥(fa)和(he)乙炔(gui)減壓(ya)(ya)閥(fa)應(ying)從正規廠家購(gou)買(mai)，并定期檢(jian)查，在(zai)使用(yong)前(qian)合(he)格。流(liu)量控制采用(yong)浮子(zi)流(liu)量計，針閥(fa)應(ying)靈敏準確，使用(yong)值應(ying)在(zai)40-70%之(zhi)間。噴(pen)(pen)(pen)(pen)槍(qiang)在(zai)流(liu)量計之(zhi)間必(bi)須裝有回火(huo)(huo)防止閥(fa)，以(yi)確保超音速(su)火(huo)(huo)焰(yan)(yan)噴(pen)(pen)(pen)(pen)涂過程的(de)(de)(de)安(an)全。2.壓(ya)(ya)縮(suo)空氣(qi)(qi)(qi)(qi)供應(ying)系(xi)統(tong)。為了確保涂層的(de)(de)(de)質(zhi)量，除(chu)了流(liu)量和(he)壓(ya)(ya)力(li)要求外(wai)，供應(ying)給吹砂機和(he)噴(pen)(pen)(pen)(pen)槍(qiang)的(de)(de)(de)壓(ya)(ya)縮(suo)空氣(qi)(qi)(qi)(qi)必(bi)須是(shi)(shi)清潔和(he)干燥的(de)(de)(de)，即無油和(he)無水。因此，壓(ya)(ya)縮(suo)空氣(qi)(qi)(qi)(qi)供應(ying)系(xi)統(tong)應(ying)包括空氣(qi)(qi)(qi)(qi)壓(ya)(ya)縮(suo)機和(he)空氣(qi)(qi)(qi)(qi)凈化裝置。3.噴(pen)(pen)(pen)(pen)槍(qiang)，目前(qian)，我國使用(yong)的(de)(de)(de)噴(pen)(pen)(pen)(pen)槍(qiang)主要有兩種(zhong)(zhong)類型(xing)(xing)(xing)：一種(zhong)(zhong)是(shi)(shi)國產(chan)型(xing)(xing)(xing)噴(pen)(pen)(pen)(pen)槍(qiang)，具代表性的(de)(de)(de)是(shi)(shi)SQX-1型(xing)(xing)(xing)噴(pen)(pen)(pen)(pen)槍(qiang)，另一種(zhong)(zhong)是(shi)(shi)進口型(xing)(xing)(xing)噴(pen)(pen)(pen)(pen)槍(qiang)，主要是(shi)(shi)原Metco 12E和(he)14E型(xing)(xing)(xing)火(huo)(huo)焰(yan)(yan)噴(pen)(pen)(pen)(pen)絲噴(pen)(pen)(pen)(pen)槍(qiang)，這種(zhong)(zhong)噴(pen)(pen)(pen)(pen)槍(qiang)采用(yong)空氣(qi)(qi)(qi)(qi)渦輪送絲，其氣(qi)(qi)(qi)(qi)動部分的(de)(de)(de)工(gong)藝流(liu)程。唱響精(jing)度高，送絲速(su)度穩定，調整絲速(su)。速(su)度范圍寬，熔點高的(de)(de)(de)材料可以(yi)是(shi)(shi)超音速(su)噴(pen)(pen)(pen)(pen)涂。超音速(su)等(deng)(deng)離子(zi)噴(pen)(pen)(pen)(pen)槍(qiang)工(gong)藝參(can)數有哪些(xie)？北京超音速(su)噴(pen)(pen)(pen)(pen)嘴配件生(sheng)產(chan)

進口送粉管(guan)配(pei)件的更換應該定(ding)期進行(xing)，以保證(zheng)噴涂質量(liang)和穩定(ding)性。蘇(su)州配(pei)件廠(chang)家

超音(yin)速火(huo)(huo)焰(yan)噴(pen)(pen)涂作為熱噴(pen)(pen)涂領域的(de)新(xin)技術具有粒(li)子飛行速度(du)(du)高(gao)(gao)，涂層質量(liang)好等優(you)點。超音(yin)速火(huo)(huo)焰(yan)噴(pen)(pen)涂是利(li)用氣體或(huo)液體燃(ran)料在燃(ran)燒室內(nei)(nei)，或(huo)在特殊的(de)噴(pen)(pen)嘴(zui)中燃(ran)燒膨脹產生的(de)高(gao)(gao)溫焰(yan)流，使其沿噴(pen)(pen)嘴(zui)噴(pen)(pen)出，在瑞利(li)流和范諾流效應下，對于(yu)等截面(mian)噴(pen)(pen)嘴(zui)在噴(pen)(pen)嘴(zui)出口(kou)或(huo)對于(yu)Laval噴(pen)(pen)嘴(zui)在噴(pen)(pen)嘴(zui)內(nei)(nei)部焰(yan)流達到壅塞狀態，從(cong)而可(ke)獲(huo)(huo)得超音(yin)速火(huo)(huo)焰(yan)射流。焰(yan)流速度(du)(du)可(ke)達1500m/s以上，因其采用氧氣助燃(ran)，通常被稱作HVOF(Highvelocityoxyfuel)。將(jiang)粉(fen)末軸向送進火(huo)(huo)焰(yan)，可(ke)以將(jiang)噴(pen)(pen)涂粒(li)子加熱至(zhi)(zhi)熔(rong)化(hua)或(huo)半熔(rong)化(hua)狀態，并加速到300～600m/s甚至(zhi)(zhi)更高(gao)(gao)的(de)速度(du)(du)，從(cong)而獲(huo)(huo)得結合強度(du)(du)高(gao)(gao)、致密的(de)高(gao)(gao)質量(liang)涂層。蘇州配件廠家

上海(hai)奇(qi)(qi)康(kang)噴涂(tu)機械有限(xian)公(gong)(gong)司位(wei)于(yu)上海(hai)市青浦區(qu)華(hua)新鎮華(hua)滕路(lu)1288號1幢1層H區(qu)135室，交通便利(li)，環(huan)境(jing)優美，是一(yi)家(jia)生產型(xing)企業。奇(qi)(qi)康(kang)噴涂(tu)是一(yi)家(jia)有限(xian)責(ze)任(ren)公(gong)(gong)司（自然）企業，一(yi)直“以(yi)人為(wei)(wei)(wei)本，服務(wu)于(yu)社會”的(de)經營理念(nian);“誠守信(xin)譽，持(chi)續發(fa)展”的(de)質量方針(zhen)。以(yi)滿足顧(gu)客要求為(wei)(wei)(wei)己任(ren)；以(yi)顧(gu)客永遠滿意為(wei)(wei)(wei)標(biao)準；以(yi)保持(chi)行業優先(xian)為(wei)(wei)(wei)目標(biao)，提供的(de)超(chao)音速熱噴涂(tu)設(she)(she)備(bei)(bei)，等離子噴涂(tu)設(she)(she)備(bei)(bei)，電(dian)弧熱噴涂(tu)設(she)(she)備(bei)(bei)，熱噴涂(tu)吞加工(gong)。奇(qi)(qi)康(kang)噴涂(tu)以(yi)創造產品及服務(wu)的(de)理念(nian)，打造高指(zhi)標(biao)的(de)服務(wu)，引導行業的(de)發(fa)展。

本(ben)文來自廣西(xi)桂林百利種苗有限公司：//a777a.cn/Article/13c0399983.html