功能應用(yong)：?進(jin)行(xing)軸(zhou)(zhou)(zhou)承(cheng)磨損(sun)過程(cheng)的(de)(de)(de)基(ji)礎研(yan)究(jiu)；?研(yan)究(jiu)滾動(dong)(dong)(dong)軸(zhou)(zhou)(zhou)承(cheng)損(sun)傷(shang)深化(hua)機(ji)(ji)制(zhi)，熟悉包絡分(fen)析和(he)(he)(he)信號處(chu)理(li)技術；?了解(jie)軸(zhou)(zhou)(zhou)承(cheng)故障機(ji)(ji)理(li)與負載(zai)、轉速、潤(run)滑(hua)(hua)狀況之間的(de)(de)(de)關系(xi)(xi)(xi)；?研(yan)究(jiu)基(ji)于(yu)損(sun)傷(shang)發(fa)(fa)展(zhan)、轉速、振(zhen)幅(fu)和(he)(he)(he)加(jia)載(zai)類(lei)(lei)型的(de)(de)(de)軸(zhou)(zhou)(zhou)承(cheng)剩(sheng)余(yu)壽(shou)(shou)命預(yu)測模(mo)(mo)型；?研(yan)究(jiu)信號處(chu)理(li)技術和(he)(he)(he)傳感技術，來進(jin)行(xing)軸(zhou)(zhou)(zhou)承(cheng)故障預(yu)測的(de)(de)(de)狀態監測；?研(yan)究(jiu)振(zhen)動(dong)(dong)(dong)、電(dian)(dian)(dian)機(ji)(ji)電(dian)(dian)(dian)流、負載(zai)、摩擦和(he)(he)(he)噪聲之間的(de)(de)(de)關系(xi)(xi)(xi)；?驗(yan)證基(ji)于(yu)模(mo)(mo)型的(de)(de)(de)故障診斷和(he)(he)(he)預(yu)測算(suan)法；?外圈，內圈或滾動(dong)(dong)(dong)體，保持架的(de)(de)(de)損(sun)傷(shang)對頻(pin)譜(pu)(pu)的(de)(de)(de)影響；?基(ji)于(yu)損(sun)傷(shang)發(fa)(fa)展(zhan)，運(yun)行(xing)速度(du)，載(zai)荷(he)(he)類(lei)(lei)型和(he)(he)(he)軸(zhou)(zhou)(zhou)承(cheng)尺寸估算(suan)滾子(zi)軸(zhou)(zhou)(zhou)承(cheng)使用(yong)壽(shou)(shou)命預(yu)測模(mo)(mo)型的(de)(de)(de)開發(fa)(fa)；主(zhu)要組成部分(fen)：本試(shi)驗(yan)臺(tai)(tai)主(zhu)要由：1.電(dian)(dian)(dian)機(ji)(ji)驅動(dong)(dong)(dong)單元（給試(shi)驗(yan)臺(tai)(tai)提供動(dong)(dong)(dong)力輸出）；2.試(shi)驗(yan)軸(zhou)(zhou)(zhou)承(cheng)安(an)裝座（提供不(bu)同內徑(jing)軸(zhou)(zhou)(zhou)承(cheng)，固定(ding)的(de)(de)(de)安(an)裝夾具）；3.載(zai)荷(he)(he)加(jia)載(zai)單元（徑(jing)向和(he)(he)(he)軸(zhou)(zhou)(zhou)向穩定(ding)負載(zai)由電(dian)(dian)(dian)主(zhu)軸(zhou)(zhou)(zhou)自(zi)(zi)動(dong)(dong)(dong)加(jia)載(zai)設置）；4.油(you)液(ye)(ye)循環潤(run)滑(hua)(hua)單元（含(han)油(you)液(ye)(ye)冷(leng)卻，過濾，及循環潤(run)滑(hua)(hua)油(you)箱及油(you)泵和(he)(he)(he)配管）；5.電(dian)(dian)(dian)氣自(zi)(zi)動(dong)(dong)(dong)化(hua)控制(zhi)系(xi)(xi)(xi)統（動(dong)(dong)(dong)力及電(dian)(dian)(dian)氣保護，自(zi)(zi)動(dong)(dong)(dong)加(jia)載(zai)控制(zhi)系(xi)(xi)(xi)統）；6.計算(suan)機(ji)(ji)監測軟(ruan)件單元（振(zhen)動(dong)(dong)(dong)，溫(wen)度(du)，轉速，負載(zai)，頻(pin)譜(pu)(pu)分(fen)析，試(shi)驗(yan)時間長周期記錄，軸(zhou)(zhou)(zhou)承(cheng)剝落故障時自(zi)(zi)動(dong)(dong)(dong)停機(ji)(ji)）。電(dian)(dian)(dian)機(ji)(ji)故障模(mo)(mo)擬(ni)研(yan)究(jiu)：電(dian)(dian)(dian)機(ji)(ji)內轉子(zi)不(bu)平衡、不(bu)對中、翹曲、斷條等故障模(mo)(mo)擬(ni)。重慶(qing)轉子(zi)試(shi)驗(yan)臺(tai)(tai)供應商

瓦倫尼安教學(xue)軌(gui)道(dao)交通(tong)轉(zhuan)(zhuan)向架實(shi)(shi)驗(yan)(yan)(yan)臺，可通(tong)過加(jia)(jia)載(zai)(zai)(zai)不(bu)同(tong)扭(niu)矩研究(jiu)(jiu)軸(zhou)(zhou)承(cheng)的(de)故(gu)(gu)障(zhang)(zhang)特(te)性(xing)(xing)，以(yi)及(ji)對齒(chi)輪箱(xiang)特(te)性(xing)(xing)的(de)研究(jiu)(jiu)，并采集數(shu)據。實(shi)(shi)驗(yan)(yan)(yan)臺由鋼結構(gou)H型臺架、傳(chuan)動(dong)齒(chi)輪、傳(chuan)動(dong)軸(zhou)(zhou)、減振彈(dan)簧、可調(diao)式(shi)位移平(ping)臺、驅動(dong)系(xi)(xi)(xi)統(tong)(tong)、供(gong)(gong)油系(xi)(xi)(xi)統(tong)(tong)、加(jia)(jia)載(zai)(zai)(zai)器等(deng)組成。該軌(gui)道(dao)交通(tong)實(shi)(shi)驗(yan)(yan)(yan)臺具有(you)結構(gou)簡單，拆裝方便，操(cao)作簡便，性(xing)(xing)能穩(wen)定的(de)特(te)點(dian)。此設備可靈活(huo)配置各類傳(chuan)感器，能對多種常見的(de)旋(xuan)轉(zhuan)(zhuan)機(ji)械故(gu)(gu)障(zhang)(zhang)進行(xing)故(gu)(gu)障(zhang)(zhang)特(te)征分(fen)析。與本(ben)公司(si)開(kai)發的(de)數(shu)據采集系(xi)(xi)(xi)統(tong)(tong)配套使用，形成一個(ge)多用途，綜合型的(de)實(shi)(shi)驗(yan)(yan)(yan)系(xi)(xi)(xi)統(tong)(tong)平(ping)臺,為(wei)從事軌(gui)道(dao)交通(tong)及(ji)相(xiang)關課程探(tan)討的(de)研究(jiu)(jiu)人(ren)員提供(gong)(gong)了(le)一個(ge)良好的(de)實(shi)(shi)驗(yan)(yan)(yan)分(fen)析環境。二(er)、可完成實(shi)(shi)驗(yan)(yan)(yan)◆負(fu)載(zai)(zai)(zai)實(shi)(shi)驗(yan)(yan)(yan)◆軸(zhou)(zhou)承(cheng)故(gu)(gu)障(zhang)(zhang)實(shi)(shi)驗(yan)(yan)(yan)(穩(wen)態(tai)(tai)、非穩(wen)態(tai)(tai))◆齒(chi)輪箱(xiang)故(gu)(gu)障(zhang)(zhang)實(shi)(shi)驗(yan)(yan)(yan)(穩(wen)態(tai)(tai)、非穩(wen)態(tai)(tai))◆模擬(ni)不(bu)同(tong)負(fu)載(zai)(zai)(zai)下的(de)軸(zhou)(zhou)承(cheng)、齒(chi)輪箱(xiang)故(gu)(gu)障(zhang)(zhang)實(shi)(shi)驗(yan)(yan)(yan)濟南(nan)機(ji)電設備轉(zhuan)(zhuan)子(zi)試驗(yan)(yan)(yan)臺液壓轉(zhuan)(zhuan)子(zi)試驗(yan)(yan)(yan)臺故(gu)(gu)障(zhang)(zhang)維修(xiu)技巧有(you)哪些 ，有(you)人(ren)知道(dao)嗎？

轉(zhuan)(zhuan)子(zi)行(xing)星(xing)齒(chi)(chi)輪(lun)(lun)箱綜(zong)合故(gu)(gu)(gu)(gu)障(zhang)模擬實(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)，瓦倫尼(ni)安針對高等院校及(ji)科研(yan)院所中(zhong)的(de)轉(zhuan)(zhuan)子(zi)齒(chi)(chi)輪(lun)(lun)傳動(dong)及(ji)相關課(ke)程(cheng)開發的(de)一款多(duo)功(gong)能(neng)專業(ye)性(xing)(xing)實(shi)(shi)驗(yan)(yan)(yan)(yan)設備。實(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)由平(ping)(ping)(ping)臺(tai)(tai)底(di)板(ban)、變(bian)頻電機(ji)、轉(zhuan)(zhuan)矩(ju)轉(zhuan)(zhuan)速傳感器(qi)、滾(gun)動(dong)軸(zhou)(zhou)承座(zuo)、平(ping)(ping)(ping)衡(heng)(heng)盤、徑(jing)向加載(zai)裝置、傳感器(qi)安裝支(zhi)架(jia)、行(xing)星(xing)故(gu)(gu)(gu)(gu)障(zhang)模擬齒(chi)(chi)輪(lun)(lun)箱、加載(zai)器(qi)、聯軸(zhou)(zhou)器(qi)、PLC智(zhi)能(neng)控(kong)制柜、循環冷卻(que)系(xi)(xi)統(tong)等組成。該轉(zhuan)(zhuan)子(zi)齒(chi)(chi)輪(lun)(lun)傳動(dong)實(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)具有結構(gou)簡(jian)單，拆(chai)裝方便(bian)，操作(zuo)簡(jian)便(bian)，性(xing)(xing)能(neng)穩(wen)定的(de)特點。此設備可(ke)靈活配置各類(lei)傳感器(qi)，能(neng)對多(duo)種常見的(de)旋轉(zhuan)(zhuan)機(ji)械故(gu)(gu)(gu)(gu)障(zhang)進行(xing)故(gu)(gu)(gu)(gu)障(zhang)特征分析。與本公司開發的(de)數據采(cai)集(ji)系(xi)(xi)統(tong)配套使用(yong)，形成一個多(duo)用(yong)途(tu)，綜(zong)合型的(de)實(shi)(shi)驗(yan)(yan)(yan)(yan)系(xi)(xi)統(tong)平(ping)(ping)(ping)臺(tai)(tai)，為(wei)從事轉(zhuan)(zhuan)子(zi)齒(chi)(chi)輪(lun)(lun)傳動(dong)及(ji)相關課(ke)程(cheng)探討的(de)研(yan)究人員提供(gong)了二、可(ke)完(wan)成實(shi)(shi)驗(yan)(yan)(yan)(yan)◆共(gong)振實(shi)(shi)驗(yan)(yan)(yan)(yan)◆不(bu)(bu)平(ping)(ping)(ping)衡(heng)(heng)模擬實(shi)(shi)驗(yan)(yan)(yan)(yan)◆轉(zhuan)(zhuan)子(zi)臨界(jie)轉(zhuan)(zhuan)速實(shi)(shi)驗(yan)(yan)(yan)(yan)◆轉(zhuan)(zhuan)軸(zhou)(zhou)偏心故(gu)(gu)(gu)(gu)障(zhang)模擬實(shi)(shi)驗(yan)(yan)(yan)(yan)◆不(bu)(bu)對中(zhong)模擬實(shi)(shi)驗(yan)(yan)(yan)(yan)(角度、平(ping)(ping)(ping)行(xing))◆轉(zhuan)(zhuan)速實(shi)(shi)驗(yan)(yan)(yan)(yan)(升速、降速、穩(wen)速等)◆轉(zhuan)(zhuan)軸(zhou)(zhou)碰磨模擬實(shi)(shi)驗(yan)(yan)(yan)(yan)(黃(huang)銅、尼(ni)龍(long)2種不(bu)(bu)同材質)◆行(xing)星(xing)齒(chi)(chi)輪(lun)(lun)箱故(gu)(gu)(gu)(gu)障(zhang)實(shi)(shi)驗(yan)(yan)(yan)(yan)，故(gu)(gu)(gu)(gu)障(zhang)類(lei)型為(wei):斷齒(chi)(chi)、點蝕、缺齒(chi)(chi)、裂紋◆滾(gun)動(dong)軸(zhou)(zhou)承故(gu)(gu)(gu)(gu)障(zhang)實(shi)(shi)驗(yan)(yan)(yan)(yan)，故(gu)(gu)(gu)(gu)障(zhang)類(lei)型為(wei):內圈、外圈、滾(gun)動(dong)體、保持(chi)架(jia)、混合故(gu)(gu)(gu)(gu)障(zhang)

，可用(yong)于(yu)實驗(yan)和教學。動(dong)力傳動(dong)系(xi)統(tong)由一個2級行星齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)箱(xiang)(xiang)，一個由滾動(dong)軸(zhou)(zhou)承(cheng)(cheng)(cheng)或套筒軸(zhou)(zhou)承(cheng)(cheng)(cheng)支(zhi)撐的(de)(de)(de)2級平行軸(zhou)(zhou)齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)箱(xiang)(xiang)，１個軸(zhou)(zhou)承(cheng)(cheng)(cheng)負載和１個可編程(cheng)的(de)(de)(de)磁力制動(dong)器組成。實驗(yan)臺(tai)所(suo)有(you)單元可裝配為(wei)多的(de)(de)(de)配置(zhi)方案，便(bian)于(yu)基于(yu)診斷(duan)技術、潤滑條件、磨損(sun)顆粒分析的(de)(de)(de)齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)箱(xiang)(xiang)動(dong)力學和噪聲特性(xing)、健康監測(ce)(ce)和振(zhen)動(dong)特性(xing)的(de)(de)(de)研(yan)究。該實驗(yan)臺(tai)性(xing)能穩定，可承(cheng)(cheng)(cheng)受猛烈(lie)的(de)(de)(de)載荷沖擊(ji)，有(you)充足的(de)(de)(de)空間便(bian)于(yu)齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)的(de)(de)(de)更換、安裝以及監測(ce)(ce)裝置(zhi)的(de)(de)(de)安裝。該２級平行軸(zhou)(zhou)傳動(dong)齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)箱(xiang)(xiang)便(bian)于(yu)齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)傳動(dong)比的(de)(de)(de)改(gai)變(bian)。行星齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)系(xi)，太陽齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)，行星和環形齒(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)，支(zhi)架和軸(zhou)(zhou)承(cheng)(cheng)(cheng)都便(bian)于(yu)拆裝。軸(zhou)(zhou)承(cheng)(cheng)(cheng)故(gu)障試(shi)驗(yan)臺(tai)使用(yong)方法？

試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)功能(neng)介紹(shao)在試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)功能(neng)部(bu)分包(bao)含機(ji)架(jia)單(dan)元(yuan)、控(kong)(kong)制(zhi)機(ji)箱、觸摸屏操作界面、機(ji)臺(tai)(tai)(tai)(tai)(tai)按(an)鈕、可調高度地(di)腳等。圖(tu)1.2旋(xuan)(xuan)轉試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)振動故障模擬綜合試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)結構(gou)圖(tu)1.3旋(xuan)(xuan)轉試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)振動故障模擬試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)控(kong)(kong)制(zhi)架(jia)構(gou)振動故障模擬試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)系統(tong)通(tong)過PLC對(dui)這些信(xin)號進行(xing)處理實現，對(dui)產(chan)品的(de)(de)動作控(kong)(kong)制(zhi)。試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)控(kong)(kong)制(zhi)結構(gou)圖(tu)1.3所示:圖(tu)1.3電(dian)(dian)(dian)感(gan)自動組裝(zhuang)機(ji)架(jia)構(gou)圖(tu)：PLC數據傳(chuan)輸(shu)(shu)到人機(ji)：試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)的(de)(de)傳(chuan)感(gan)器信(xin)號輸(shu)(shu)入PLC：PLC輸(shu)(shu)出(chu)信(xin)號控(kong)(kong)制(zhi)電(dian)(dian)(dian)氣元(yuan)件(jian)：電(dian)(dian)(dian)氣元(yuan)件(jian)狀(zhuang)態反饋PLC2.安裝(zhuang)要(yao)求與(yu)規范2.1安裝(zhuang)注意(yi)事項（1）校(xiao)準和(he)對(dui)齊每當試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)推到一個新(xin)的(de)(de)位置，都要(yao)進行(xing)校(xiao)準和(he)對(dui)齊，這是(shi)(shi)至關(guan)重要(yao)的(de)(de)，因(yin)為如(ru)果不進行(xing)校(xiao)準和(he)對(dui)齊，可能(neng)導致試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)故障或其他問題。（2）檢(jian)(jian)查(cha)電(dian)(dian)(dian)源部(bu)分①請用(yong)(yong)萬用(yong)(yong)電(dian)(dian)(dian)表確(que)認電(dian)(dian)(dian)源電(dian)(dian)(dian)壓是(shi)(shi)否(fou)正常；②確(que)認試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)是(shi)(shi)否(fou)接(jie)(jie)地(di)；（3）檢(jian)(jian)查(cha)連接(jie)(jie)線①檢(jian)(jian)查(cha)各連接(jie)(jie)線接(jie)(jie)頭是(shi)(shi)否(fou)松(song)脫；①檢(jian)(jian)查(cha)220V電(dian)(dian)(dian)源插頭、觸控(kong)(kong)屏顯示器插頭是(shi)(shi)否(fou)松(song)脫；（4）試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)定位將試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)定位后把(ba)其底部(bu)的(de)(de)固定腳降下使整(zheng)體試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)上升并(bing)使其底部(bu)滑座脫離地(di)面，防止外界因(yin)素而(er)產(chan)生試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)滑移現象(xiang)，調整(zheng)好試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)水平度后要(yao)鎖(suo)死固定腳。轉子(zi)轉子(zi)試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)校(xiao)準規范？微(wei)型(xing)轉子(zi)試(shi)(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)(tai)(tai)(tai)定制(zhi)

松動(dong)故(gu)(gu)障模(mo)擬研究(jiu)：旋轉(zhuan)松動(dong)、機器(qi)與(yu)(yu)地基之間的(de)結構松動(dong)、軸承座與(yu)(yu)地基連(lian)接(jie)的(de)螺栓(shuan)松動(dong)等(deng)故(gu)(gu)障模(mo)擬。重慶轉(zhuan)子試驗臺(tai)供應商

FRT1000轉(zhuan)(zhuan)(zhuan)子(zi)(zi)試(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)1臺(tai)(tai)·試(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)主要用于(yu)教學演(yan)(yan)示(shi)以及(ji)做動(dong)態試(shi)驗(yan)(yan)(yan)(yan)研究用.其特點是結構緊湊(cou)、體積小、運轉(zhuan)(zhuan)(zhuan)方便、演(yan)(yan)示(shi)項(xiang)目(mu)多、測試(shi)手段先進。臺(tai)(tai)面為(wei)球墨鑄鐵,支架為(wei)鋁合金激光轉(zhuan)(zhuan)(zhuan)速(su)傳(chuan)感器(qi)(qi)(qi)1只·速(su)度(du)傳(chuan)感器(qi)(qi)(qi)2只·電渦流傳(chuan)感器(qi)(qi)(qi)2只·電渦流前(qian)置(zhi)器(qi)(qi)(qi)供電箱1臺(tai)(tai)·加(jia)速(su)度(du)傳(chuan)感器(qi)(qi)(qi)2只·配套供電電源1臺(tai)(tai)·雙轉(zhuan)(zhuan)(zhuan)子(zi)(zi)(每個轉(zhuan)(zhuan)(zhuan)子(zi)(zi)帶18個平衡(heng)孔)·轉(zhuan)(zhuan)(zhuan)速(su)范(fan)圍(wei)：60~6000轉(zhuan)(zhuan)(zhuan)/分·臨(lin)界(jie)(jie)轉(zhuan)(zhuan)(zhuan)速(su)可(ke)調1500~3000轉(zhuan)(zhuan)(zhuan)/分4、用于(yu)測試(shi)研究項(xiang)目(mu)·轉(zhuan)(zhuan)(zhuan)軸(zhou)固(gu)有頻率(lv)測量·轉(zhuan)(zhuan)(zhuan)軸(zhou)的臨(lin)界(jie)(jie)轉(zhuan)(zhuan)(zhuan)速(su)測量及(ji)雙轉(zhuan)(zhuan)(zhuan)子(zi)(zi)間距的影(ying)響對(dui)它的影(ying)響·轉(zhuan)(zhuan)(zhuan)軸(zhou)機(ji)械導納(動(dong)剛(gang)度(du))測量·轉(zhuan)(zhuan)(zhuan)速(su)和相位測量實驗(yan)(yan)(yan)(yan)·轉(zhuan)(zhuan)(zhuan)軸(zhou)動(dong)平衡(heng)實驗(yan)(yan)(yan)(yan)(單、雙平面)，轉(zhuan)(zhuan)(zhuan)子(zi)(zi)試(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)裝置(zhi)重(zhong)慶轉(zhuan)(zhuan)(zhuan)子(zi)(zi)試(shi)驗(yan)(yan)(yan)(yan)臺(tai)(tai)供應商

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