振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)處理過程是(shi)將激(ji)(ji)振(zhen)(zhen)(zhen)(zhen)器剛(gang)性夾持(chi)在(zai)(zai)被(bei)處理工件(jian)(jian)(jian)的適當位置(zhi)，首先根(gen)據零件(jian)(jian)(jian)大(da)小，形狀和加持(chi)情況來調節激(ji)(ji)振(zhen)(zhen)(zhen)(zhen)頻率(lv)，較好使零件(jian)(jian)(jian)在(zai)(zai)其固有(you)頻率(lv)下(xia)進(jin)行共振(zhen)(zhen)(zhen)(zhen)，然后根(gen)據零件(jian)(jian)(jian)所(suo)需(xu)動(dong)(dong)(dong)(dong)應(ying)力(li)(li)(li)或振(zhen)(zhen)(zhen)(zhen)幅(fu)的大(da)小來調節激(ji)(ji)振(zhen)(zhen)(zhen)(zhen)力(li)(li)(li)。零件(jian)(jian)(jian)的振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)狀態和動(dong)(dong)(dong)(dong)應(ying)力(li)(li)(li)，可用測(ce)(ce)量振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)和應(ying)力(li)(li)(li)的儀表來檢測(ce)(ce)。通常將感(gan)受元件(jian)(jian)(jian)（加速度計或速度計）接于被(bei)振(zhen)(zhen)(zhen)(zhen)物體上，振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)，感(gan)受元件(jian)(jian)(jian)把接收到得振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)信號(hao)送(song)往測(ce)(ce)試(shi)儀表，經放大(da)電路將信號(hao)放大(da)并(bing)指示(shi)出各種所(suo)需(xu)的參數值(zhi)。振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)狀態的主(zhu)要指示(shi)參數是(shi)振(zhen)(zhen)(zhen)(zhen)幅(fu)、頻率(lv)和振(zhen)(zhen)(zhen)(zhen)型。振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)狀態和激(ji)(ji)振(zhen)(zhen)(zhen)(zhen)力(li)(li)(li)的控制是(shi)通過控制激(ji)(ji)振(zhen)(zhen)(zhen)(zhen)器的控制裝置(zhi)來實現的。它能(neng)調節激(ji)(ji)振(zhen)(zhen)(zhen)(zhen)力(li)(li)(li)、激(ji)(ji)振(zhen)(zhen)(zhen)(zhen)頻率(lv)和振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)間(jian)。被(bei)處理零件(jian)(jian)(jian)在(zai)(zai)所(suo)需(xu)頻率(lv)和振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)強度下(xia)振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)一(yi)段時(shi)(shi)間(jian)后，振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)即告結束。這個工藝過程一(yi)般為幾分(fen)鐘或幾十分(fen)鐘。向客戶(hu)提供(gong)質(zhi)量穩定可靠，壽命(ming)超長(chang)，型號(hao)齊全，功能(neng)先進(jin)的振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)設備(bei)及(ji)振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)技術咨詢。上海高頻振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)生產廠家

振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)處理過的(de)(de)(de)構(gou)件(jian)，需通(tong)過一定(ding)的(de)(de)(de)評價 方法以(yi)表(biao)征其(qi)(qi)時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)效(xiao)(xiao)(xiao)(xiao)果，具(ju)體(ti)指對殘(can)(can)余(yu)應(ying)力(li)的(de)(de)(de)降 低、調控(kong)，構(gou)件(jian)抗變(bian)(bian)(bian)形能力(li)的(de)(de)(de)提高以(yi)及尺寸(cun)精度的(de)(de)(de) 提高等[38]。現階段，振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)技(ji)術的(de)(de)(de)理論基(ji)礎(chu)仍(reng)有 待進一步研究，其(qi)(qi)效(xiao)(xiao)(xiao)(xiao)果難(nan)以(yi)精確測(ce)(ce)定(ding)，且沒有統(tong)一 的(de)(de)(de)標(biao)準。目(mu)前(qian)，已(yi)有參數曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)觀測(ce)(ce)法、精度穩(wen)定(ding)性(xing) 檢(jian)測(ce)(ce)法和(he)殘(can)(can)余(yu)應(ying)力(li)測(ce)(ce)量法用于時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)效(xiao)(xiao)(xiao)(xiao)果的(de)(de)(de)評定(ding)。當(dang)構(gou)件(jian)中存在的(de)(de)(de)殘(can)(can)余(yu)應(ying)力(li)幅(fu)值(zhi)或分(fen)布發生改 變(bian)(bian)(bian)時(shi)(shi)，其(qi)(qi)自身(shen)振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)狀態將隨之變(bian)(bian)(bian)化(hua)，因此通(tong)過測(ce)(ce)量振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)過程中的(de)(de)(de)實時(shi)(shi)振(zhen)(zhen)(zhen)(zhen)(zhen)幅(fu)-時(shi)(shi)間(jian)曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)的(de)(de)(de)變(bian)(bian)(bian)化(hua)及振(zhen)(zhen)(zhen)(zhen)(zhen)幅(fu)-頻率(lv)(lv)曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)前(qian)后(hou)(hou)的(de)(de)(de)變(bian)(bian)(bian)化(hua)可(ke)以(yi)定(ding)性(xing)評估振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)的(de)(de)(de)效(xiao)(xiao)(xiao)(xiao)果。振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)參數曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)可(ke)能發生的(de)(de)(de)變(bian)(bian)(bian)化(hua)為：(a) 振(zhen)(zhen)(zhen)(zhen)(zhen)幅(fu)時(shi)(shi)間(jian)(a-t)曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)上(shang)升后(hou)(hou)變(bian)(bian)(bian)平或曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)上(shang)升后(hou)(hou)下降之后(hou)(hou)變(bian)(bian)(bian)平；(b) 振(zhen)(zhen)(zhen)(zhen)(zhen)幅(fu)頻率(lv)(lv)(a-f)曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)振(zhen)(zhen)(zhen)(zhen)(zhen)后(hou)(hou)的(de)(de)(de)峰(feng)值(zhi)升高；(c) 振(zhen)(zhen)(zhen)(zhen)(zhen)幅(fu)頻率(lv)(lv)(a-f)曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)振(zhen)(zhen)(zhen)(zhen)(zhen)后(hou)(hou)的(de)(de)(de)峰(feng)值(zhi)點(dian)偏移(yi)；(d) 振(zhen)(zhen)(zhen)(zhen)(zhen)幅(fu)頻 率(lv)(lv)(a-f)曲(qu)(qu)(qu)線(xian)(xian)(xian)(xian)(xian)振(zhen)(zhen)(zhen)(zhen)(zhen)后(hou)(hou)的(de)(de)(de)諧(xie)振(zhen)(zhen)(zhen)(zhen)(zhen)帶寬變(bian)(bian)(bian)窄[39-40]。武(wu)漢焊接件(jian)振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)設備振(zhen)(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)(dong)時(shi)(shi)效(xiao)(xiao)(xiao)(xiao)的(de)(de)(de)影(ying)響因素包括材料(liao)的(de)(de)(de)化(hua)學成分(fen)和(he)微觀結構(gou)。

振動(dong)時(shi)效技術(Vibratory Stress Relief)主要(yao)是利(li)用(yong)共振原理消除和(he)均化金屬結(jie)構(gou)內部殘余應力，增(zeng)強(qiang)(qiang)構(gou)件抗(kang)變能力，穩定尺寸精度(du)(du)的一(yi)種(zhong)先進的改(gai)性工藝(yi)，作(zuo)為一(yi)種(zhong)共性技術，振動(dong)時(shi)效與其(qi)他時(shi)效方法比(bi)，具有(you)節能(其(qi)節能效果達 95%以上)、降低(di)成本、縮短制造(zao)周期、提高工件尺寸精度(du)(du)和(he)減低(di)勞動(dong)強(qiang)(qiang)度(du)(du)等(deng)優(you)點(dian)。因此，一(yi)經問世就(jiu)受到(dao)了(le)國外研(yan)究單位和(he)企業的高度(du)(du)重視，首先在(zai)發達國家得到(dao)普(pu)遍(bian)應用(yong)和(he)發展(zhan)，應用(yong)水(shui)平較(jiao)高的主要(yao)有(you)美、英、德等(deng)國。引入我國之后，振動(dong)時(shi)效技術逐(zhu)漸得到(dao)普(pu)遍(bian)應用(yong)，應用(yong)領域已從機(ji)械制造(zao)業擴展(zhan)到(dao)汽(qi)車、軌道交(jiao)通、重型機(ji)械、兵器、航空、航天、風電(dian)等(deng)與鑄造(zao)、鍛造(zao)、模具、焊接(jie)等(deng)相關(guan)的專業領域。

由于機(ji)床床身在鑄造及(ji)粗加工(gong)(gong)后，存在有(you)殘(can)(can)余(yu)應(ying)(ying)力(li)(li)，且殘(can)(can)余(yu)應(ying)(ying)力(li)(li)不(bu)穩定性(xing)，造成應(ying)(ying)力(li)(li)松(song)弛和(he)(he)應(ying)(ying)力(li)(li)的(de)(de)(de)再(zai)分布，使工(gong)(gong)件(jian)產生變形影(ying)響機(ji)床精度(du)，因此需要(yao)在粗加工(gong)(gong)后進行振(zhen)(zhen)(zhen)動(dong)(dong)時(shi)(shi)效(xiao)(xiao)處理(li)消(xiao)除(chu)殘(can)(can)余(yu)應(ying)(ying)力(li)(li)。機(ji)床鑄件(jian)應(ying)(ying)用振(zhen)(zhen)(zhen)動(dong)(dong)時(shi)(shi)效(xiao)(xiao)工(gong)(gong)藝，從近百(bai)件(jian)的(de)(de)(de)床身中隨機(ji)抽出兩件(jian)進行殘(can)(can)余(yu)應(ying)(ying)力(li)(li)振(zhen)(zhen)(zhen)前、振(zhen)(zhen)(zhen)后測量計算，結果(guo)發現振(zhen)(zhen)(zhen)動(dong)(dong)時(shi)(shi)效(xiao)(xiao)使縱向平均應(ying)(ying)力(li)(li)水平降(jiang)低(di)32%，橫(heng)向應(ying)(ying)力(li)(li)降(jiang)低(di)39%，不(bu)低(di)于熱(re)(re)時(shi)(shi)效(xiao)(xiao)的(de)(de)(de)效(xiao)(xiao)果(guo)。其抗(kang)變形能力(li)(li)比熱(re)(re)時(shi)(shi)效(xiao)(xiao)有(you)所提高，精度(du)變化(hua)值(zhi)與熱(re)(re)時(shi)(shi)效(xiao)(xiao)相比均小(xiao)于0.005mm，符合工(gong)(gong)藝要(yao)求。振(zhen)(zhen)(zhen)動(dong)(dong)時(shi)(shi)效(xiao)(xiao)工(gong)(gong)藝其原理(li)是(shi)用振(zhen)(zhen)(zhen)動(dong)(dong)消(xiao)除(chu)殘(can)(can)余(yu)應(ying)(ying)力(li)(li)，可(ke)達到(dao)熱(re)(re)時(shi)(shi)效(xiao)(xiao)工(gong)(gong)藝的(de)(de)(de)同樣效(xiao)(xiao)果(guo)，并(bing)在許多(duo)性(xing)能指標上超過熱(re)(re)時(shi)(shi)效(xiao)(xiao)。振(zhen)(zhen)(zhen)動(dong)(dong)時(shi)(shi)效(xiao)(xiao)的(de)(de)(de)影(ying)響可(ke)能會(hui)導致(zhi)材料的(de)(de)(de)斷裂、脆(cui)化(hua)和(he)(he)塑性(xing)變形等失效(xiao)(xiao)現象。

頻(pin)譜諧波方(fang)式不論工(gong)件(jian)(jian)(jian)(jian)(jian)大(da)小、頻(pin)率(lv)剛性(xing)(xing)高低(di)、材料(liao)特性(xing)(xing)均能(neng)(neng)找出五種不同振(zhen)型的(de)(de)諧波峰。不受激(ji)(ji)振(zhen)器的(de)(de)轉速范圍限制(zhi)，對(dui)激(ji)(ji)振(zhen)點和拾(shi)振(zhen)點無特殊要求，能(neng)(neng)夠(gou)處理(li)亞共(gong)振(zhen)無法處理(li)的(de)(de)高剛性(xing)(xing)高固有頻(pin)率(lv)工(gong)件(jian)(jian)(jian)(jian)(jian)，能(neng)(neng)夠(gou)滿(man)足對(dui)尺寸(cun)精度要求高的(de)(de)工(gong)件(jian)(jian)(jian)(jian)(jian)，振(zhen)動噪(zao)音(yin)低(di)，在機(ji)(ji)械(xie)(xie)(xie)行(xing)業(ye)的(de)(de)覆(fu)蓋(gai)面已(yi)達到近100%。處理(li)的(de)(de)轉速全部在6000RPM以下，也解決了亞共(gong)振(zhen)設備噪(zao)音(yin)大(da)的(de)(de)問(wen)題。頻(pin)譜諧波時效應(ying)用(yong)(yong)領(ling)域：黑色金(jin)屬：碳素結構鋼(gang)、低(di)合(he)金(jin)鋼(gang)、不銹鋼(gang)、鑄鐵(tie);有色金(jin)屬(銅、鋁、鋅、鈦及其它(ta)合(he)金(jin))等材質構成的(de)(de)鑄件(jian)(jian)(jian)(jian)(jian)、鍛件(jian)(jian)(jian)(jian)(jian)、焊(han)接件(jian)(jian)(jian)(jian)(jian)、機(ji)(ji)械(xie)(xie)(xie)加(jia)工(gong)件(jian)(jian)(jian)(jian)(jian)。隨著(zhu)振(zhen)動時效技(ji)(ji)術(shu)在我國幾十年的(de)(de)研(yan)究應(ying)用(yong)(yong)和發(fa)展，現已(yi)應(ying)用(yong)(yong)到工(gong)業(ye)生(sheng)(sheng)產(chan)的(de)(de)各行(xing)各業(ye)中(zhong)，如(ru)航(hang)天、航(hang)空、兵器、機(ji)(ji)床、汽車、模具(ju)、風電(dian)、船舶、鑄造、水泥機(ji)(ji)械(xie)(xie)(xie)、木工(gong)機(ji)(ji)械(xie)(xie)(xie)、包裝機(ji)(ji)械(xie)(xie)(xie)、工(gong)程機(ji)(ji)械(xie)(xie)(xie)、冶金(jin)機(ji)(ji)械(xie)(xie)(xie)、礦(kuang)山機(ji)(ji)械(xie)(xie)(xie)、煤礦(kuang)機(ji)(ji)械(xie)(xie)(xie)、紡織(zhi)機(ji)(ji)械(xie)(xie)(xie)、重型機(ji)(ji)械(xie)(xie)(xie)、通(tong)用(yong)(yong)機(ji)(ji)械(xie)(xie)(xie)、電(dian)子生(sheng)(sheng)產(chan)設備、石油化(hua)工(gong)機(ji)(ji)械(xie)(xie)(xie)等幾十個行(xing)業(ye)。數碼(ma)振(zhen)動時效設備技(ji)(ji)術(shu)可以降低(di)工(gong)件(jian)(jian)(jian)(jian)(jian)內部殘余應(ying)力，用(yong)(yong)在要求提高材料(liao)機(ji)(ji)械(xie)(xie)(xie)性(xing)(xing)能(neng)(neng)和加(jia)工(gong)尺寸(cun)精度的(de)(de)場合(he)。湖南多功能(neng)(neng)振(zhen)動時效哪家好

振動時(shi)效的影響不只限于材料(liao)和結構的壽(shou)命，可能(neng)對工(gong)作環境和人員(yuan)安全產生重要影響。上(shang)海高頻振動時(shi)效生產廠(chang)家

振動(dong)(dong)時效(xiao)設(she)備(bei)可以(yi)(yi)改(gai)善材(cai)料(liao)(liao)(liao)的(de)(de)(de)耐(nai)腐(fu)(fu)蝕(shi)性能。振動(dong)(dong)時效(xiao)過程(cheng)中(zhong)，材(cai)料(liao)(liao)(liao)表面會受(shou)到振動(dong)(dong)的(de)(de)(de)刺激(ji)，從而促進(jin)了表面氧(yang)化(hua)膜的(de)(de)(de)形成和(he)再(zai)生。這種氧(yang)化(hua)膜可以(yi)(yi)提供(gong)額外的(de)(de)(de)保護(hu)層，防止材(cai)料(liao)(liao)(liao)與(yu)外界環境中(zhong)的(de)(de)(de)氧(yang)、水和(he)其(qi)他腐(fu)(fu)蝕(shi)介質(zhi)接(jie)觸，減少了材(cai)料(liao)(liao)(liao)的(de)(de)(de)腐(fu)(fu)蝕(shi)速率和(he)腐(fu)(fu)蝕(shi)深度(du)。振動(dong)(dong)時效(xiao)設(she)備(bei)對材(cai)料(liao)(liao)(liao)的(de)(de)(de)振動(dong)(dong)時效(xiao)過程(cheng)具(ju)有多方(fang)面的(de)(de)(de)影響，包括提很大強度(du)和(he)硬度(du)、改(gai)善韌性和(he)斷裂韌度(du)以(yi)(yi)及提高(gao)耐(nai)腐(fu)(fu)蝕(shi)性能等。這些(xie)影響使得(de)材(cai)料(liao)(liao)(liao)在使用過程(cheng)中(zhong)更加可靠(kao)和(he)耐(nai)用。因此，振動(dong)(dong)時效(xiao)設(she)備(bei)是一種有效(xiao)的(de)(de)(de)材(cai)料(liao)(liao)(liao)處理(li)方(fang)法，可以(yi)(yi)提高(gao)材(cai)料(liao)(liao)(liao)的(de)(de)(de)性能和(he)品質(zhi)。上海高(gao)頻(pin)振動(dong)(dong)時效(xiao)生產廠家

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