復合(he)結(jie)(jie)(jie)構(gou)(gou)復合(he)阻(zu)尼(ni)結(jie)(jie)(jie)構(gou)(gou)在(zai)減(jian)振(zhen)降噪(zao)(zao)工(gong)程(cheng)結(jie)(jie)(jie)構(gou)(gou)上也開始應(ying)(ying)用(yong)(yong),它(ta)(ta)是(shi)(shi)(shi)薄彈性材(cai)料(liao)(liao)將幾層板粘結(jie)(jie)(jie)在(zai)一起的具(ju)有高(gao)阻(zu)尼(ni)特(te)性,并保持金(jin)屬(shu)板材(cai)料(liao)(liao)強度(du)的約束阻(zu)尼(ni)層結(jie)(jie)(jie)構(gou)(gou),阻(zu)尼(ni)層厚度(du)為0.10mm。在(zai)常(chang)(chang)溫(wen)(wen)和高(gao)溫(wen)(wen)(80—100℃)下(xia)具(ju)有良好的阻(zu)尼(ni)特(te)性,它(ta)(ta)對振(zhen)動(dong)(dong)能(neng)量(liang)(liang)的消(xiao)散(san),從一般(ban)普通彈性變(bian)形作功力(li)消(xiao)耗,提高(gao)為高(gao)彈性體(ti)變(bian)形的做功消(xiao)耗,使變(bian)形滯(zhi)后應(ying)(ying)力(li)的程(cheng)度(du)增(zeng)加(jia)(jia),另外,這(zhe)種約束阻(zu)尼(ni)結(jie)(jie)(jie)構(gou)(gou)拉壓(ya)變(bian)形所(suo)消(xiao)散(san)的能(neng)量(liang)(liang),消(xiao)耗因子一般(ban)在(zai)0.3以上,大(da)(da)峰值(zhi)可在(zai)0.85,并且是(shi)(shi)(shi)有寬頻帶控制(zhi)特(te)性,在(zai)很大(da)(da)的頻率(lv)范圍內(nei)起到抑制(zhi)峰值(zhi)的作用(yong)(yong),鋸(ju)(ju)片(pian)(pian)(pian)基(ji)體(ti)常(chang)(chang)用(yong)(yong)的復合(he)阻(zu)尼(ni)層結(jie)(jie)(jie)構(gou)(gou)為2層。利用(yong)(yong)復合(he)阻(zu)尼(ni)結(jie)(jie)(jie)構(gou)(gou)的鋸(ju)(ju)片(pian)(pian)(pian)基(ji)體(ti)有如下(xia)特(te)點:(1)鋸(ju)(ju)片(pian)(pian)(pian)的校(xiao)平及應(ying)(ying)力(li)的調整難度(du)很大(da)(da);(2)生產(chan)效(xiao)率(lv)較低(di),成(cheng)本較高(gao);(3)加(jia)(jia)工(gong)處理(li)技術(shu)不當(dang),基(ji)體(ti)會缺乏軸向剛性。安(an)裝及使用(yong)(yong)方(fang)法(fa)降噪(zao)(zao)1、夾(jia)(jia)盤改造降噪(zao)(zao)(1)在(zai)不影響鋸(ju)(ju)切高(gao)度(du)前(qian)提下(xia),應(ying)(ying)盡(jin)量(liang)(liang)加(jia)(jia)大(da)(da)鋸(ju)(ju)片(pian)(pian)(pian)的夾(jia)(jia)盤直徑(jing),這(zhe)樣(yang)可以提高(gao)鋸(ju)(ju)片(pian)(pian)(pian)剛性,減(jian)少彎曲振(zhen)動(dong)(dong),對降低(di)振(zhen)動(dong)(dong)噪(zao)(zao)聲(sheng)是(shi)(shi)(shi)及其(qi)有效(xiao)的,實驗研究證明,當(dang)夾(jia)(jia)盤直徑(jing)加(jia)(jia)大(da)(da)到鋸(ju)(ju)片(pian)(pian)(pian)直徑(jing)的3/4倍時(shi),減(jian)噪(zao)(zao)佳。(2)為了增(zeng)加(jia)(jia)鋸(ju)(ju)片(pian)(pian)(pian)的彈性,使其(qi)受力(li)均勻(yun),在(zai)夾(jia)(jia)盤上開一圈(quan)槽(cao),嵌入橡膠條或(huo)軟金(jin)屬(shu)。
鄂州裝修雅典金花大理石廠不銹鋼(gang)(gang)(gang)(gang)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)掛件鋼(gang)(gang)(gang)(gang)號為(wei)202以上,或根據項目實際(ji)需(xu)要(yao)采(cai)用304鋼(gang)(gang)(gang)(gang)號連接(jie)配(pei)件。(2)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)厚(hou)度(du)要(yao)求在20mm以上,2500mm高以內的(de)墻(qiang)體(ti),豎向(xiang)需(xu)采(cai)用5#槽(cao)鋼(gang)(gang)(gang)(gang),橫向(xiang)采(cai)用40mmx40mm型(xing)角鋼(gang)(gang)(gang)(gang),間(jian)(jian)距根據石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)的(de)橫縫(feng)排(pai)版確(que)定,2500mm高以上的(de)墻(qiang)體(ti),豎向(xiang)需(xu)采(cai)用8#槽(cao)鋼(gang)(gang)(gang)(gang),橫向(xiang)采(cai)50mmx50mm型(xing)角鋼(gang)(gang)(gang)(gang),間(jian)(jian)距根據石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)的(de)恒(heng)豐排(pai)版確(que)定。3、膠粘劑(ji)粘貼(tie)(tie)(tie)施工(gong)工(gong)藝(yi)(yi)木基層面粘貼(tie)(tie)(tie)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)工(gong)藝(yi)(yi),適用于(yu)小面積、小塊面材(cai)(cai)(cai)(cai)料施工(gong)范圍(如文化石(shi)(shi)(shi)(shi)、裝飾線(xian)、踢腳線(xian)),須用AB膠結合不銹鋼(gang)(gang)(gang)(gang)自攻螺釘粘接(jie)固定,石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)背面應挖成(cheng)倒八字型(xing)孔,要(yao)做好防腐(fu)處理。三、墻(qiang)面石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)細部(bu)收(shou)口要(yao)點1、石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)墻(qiang)面橫縫(feng),需(xu)根據人體(ti)的(de)視線(xian)高度(du)排(pai)布,施工(gong)時(shi)需(xu)廠家定加工(gong),現(xian)場安裝。2、墻(qiang)面石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)陽(yang)角收(shou)口均需(xu)45度(du)拼接(jie)對(dui)角處理;待(dai)墻(qiang)面石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)全部(bu)鋪(pu)貼(tie)(tie)(tie)完成(cheng)后,須調制與石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)同色的(de)云石(shi)(shi)(shi)(shi)膠作勾縫(feng)處理,勾縫(feng)必須嚴(yan)密(mi)。
那(nei)么可(ke)以采取那(nei)些有效(xiao)措施能降低(di)噪(zao)音(yin)(yin)的(de)產生(sheng)呢?從鋸(ju)(ju)片(pian)(pian)基(ji)(ji)(ji)體的(de)結構設(she)計上(shang)(shang)(shang)達到(dao)減(jian)噪(zao)目(mu)的(de)1、在(zai)(zai)不(bu)破壞鋸(ju)(ju)片(pian)(pian)的(de)平衡及所需剛性(xing)(xing)的(de)條件下,可(ke)在(zai)(zai)鋸(ju)(ju)片(pian)(pian)基(ji)(ji)(ji)體上(shang)(shang)(shang)均勻(yun)布(bu)置幾(ji)個(ge)相同(tong)尺寸的(de)小孔。在(zai)(zai)孔中高阻尼合金(jin)或(huo)(huo)非金(jin)屬物(wu),這樣(yang)可(ke)以減(jian)弱鋸(ju)(ju)片(pian)(pian)彈性(xing)(xing)振動(dong)的(de)傳(chuan)播(bo),消除(chu)高頻(pin)噪(zao)音(yin)(yin)。2、同(tong)樣(yang)在(zai)(zai)不(bu)破壞鋸(ju)(ju)片(pian)(pian)剛性(xing)(xing)的(de)情況下,在(zai)(zai)鋸(ju)(ju)片(pian)(pian)基(ji)(ji)(ji)體上(shang)(shang)(shang)設(she)有若(ruo)干個(ge)等(deng)間距沿不(bu)同(tong)半徑(jing)基(ji)(ji)(ji)圓分布(bu)的(de)曲(qu)線(或(huo)(huo)直線)型不(bu)同(tong)幾(ji)何形狀(zhuang)的(de)消聲(sheng)(sheng)縫隙,消聲(sheng)(sheng)原理(li)是結塊與被切割(ge)材料間由于(yu)摩(mo)擦和(he)撞擊所產生(sheng)聲(sheng)(sheng)波(bo)在(zai)(zai)基(ji)(ji)(ji)體上(shang)(shang)(shang)傳(chuan)播(bo)受到(dao)阻尼,使其余不(bu)參與被切割(ge)材料接觸部(bu)位上(shang)(shang)(shang)的(de)音(yin)(yin)頻(pin)共(gong)振減(jian)少,從而達到(dao)了降低(di)噪(zao)聲(sheng)(sheng)強度(du)的(de)目(mu)的(de)。
加(jia)裝隔聲罩(zhao)(zhao)用(yong)(yong)(yong)隔聲罩(zhao)(zhao)來(lai)降低鋸片(pian)加(jia)工時的綜合(he)(he)噪(zao)(zao)聲是行(xing)之(zhi)有效(xiao)的,罩(zhao)(zhao)殼用(yong)(yong)(yong)鋼板(ban)制成,內涂(tu)阻尼(ni)材(cai)料(liao)、吸(xi)聲材(cai)料(liao),選擇(ze)超細(xi)玻璃(li)棉,襯(chen)一層(ceng)玻璃(li)布。并(bing)用(yong)(yong)(yong)穿孔板(ban)護面。罩(zhao)(zhao)殼、吸(xi)聲材(cai)料(liao)、穿孔板(ban)相對(dui)固定以(yi)防止設備運轉造(zao)成系(xi)統共振引起新(xin)的噪(zao)(zao)音(yin)。措施與能達到的降噪(zao)(zao)效(xiao)果:(1)基體(ti)采用(yong)(yong)(yong)復合(he)(he)結(jie)構可(ke)以(yi)降噪(zao)(zao)10分(fen)貝(bei)左右(you)(2)減振法(fa)蘭盤(pan)可(ke)以(yi)降噪(zao)(zao)3分(fen)貝(bei)左右(you)(3)基體(ti)采用(yong)(yong)(yong)消音(yin)孔或消音(yin)縫5分(fen)貝(bei)左右(you)(4)整體(ti)隔音(yin)罩(zhao)(zhao)10分(fen)貝(bei)左右(you)簡析人造(zao)石(shi)的用(yong)(yong)(yong)途人造(zao)石(shi)材(cai)從誕生(sheng)至今經歷幾十年的研(yan)究、開發(fa)和創新(xin),使(shi)人造(zao)石(shi)材(cai)能開發(fa)多種材(cai)料(liao)廣泛(fan)應用(yong)(yong)(yong)與商(shang)業、住(zhu)宅、甚(shen)至軍事(shi)領域(yu)等。在(zai)商(shang)業用(yong)(yong)(yong)途上,人造(zao)石(shi)材(cai)的使(shi)用(yong)(yong)(yong)幾乎不受限(xian)制。根據產(chan)品(pin)的適應性,它可(ke)用(yong)(yong)(yong)于(yu)健康中(zhong)心(xin)、醫(yi)療機構、公(gong)共寫字樓、廠礦公(gong)司、購物中(zhong)心(xin)等空間里(li)的設備設施。
顏色與(yu)質材相得益彰,設計的空(kong)間會(hui)(hui)因(yin)此(ci)更加(jia)廣闊,人(ren)(ren)的激情(qing)也(ye)會(hui)(hui)因(yin)此(ci)而常(chang)有常(chang)新(xin)!人(ren)(ren)造(zao)石(shi)(shi)(shi)材種(zhong)(zhong)類與(yu)特(te)點及其(qi)(qi)石(shi)(shi)(shi)材用(yong)(yong)途一(yi)、人(ren)(ren)造(zao)石(shi)(shi)(shi)材的種(zhong)(zhong)類(1)按(an)出產所用(yong)(yong)的材料人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)重要分為:水泥型(xing)(xing)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)、樹脂(zhi)型(xing)(xing)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)、復(fu)合型(xing)(xing)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)、燒結型(xing)(xing)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)。這四種(zhong)(zhong)制作(zuo)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)的方法中,常(chang)用(yong)(yong)的是聚酯型(xing)(xing)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi),其(qi)(qi)物理(li)和化學機(ji)能好,花紋輕易(yi)設計,有重現性(xing),適(shi)于(yu)多(duo)種(zhong)(zhong)用(yong)(yong)處(chu)(chu),但(dan)(dan)價格絕對較高;水泥型(xing)(xing)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)價錢低(di)廉(lian),但(dan)(dan)耐腐(fu)化性(xing)能較差(cha),容易(yi)呈現微龜裂(lie),適(shi)于(yu)作(zuo)板材而不適(shi)于(yu)作(zuo)衛生潔具;復(fu)合型(xing)(xing)則綜合了前兩者的長處(chu)(chu),既有良好的物化性(xing)能,本錢也(ye)較低(di);燒結型(xing)(xing)人(ren)(ren)造(zao)大(da)(da)(da)理(li)石(shi)(shi)(shi)固然只(zhi)用(yong)(yong)粘土作(zuo)膠(jiao)粘劑,但(dan)(dan)需經高溫焙燒,因(yin)此(ci)能耗大(da)(da)(da),造(zao)價高,而且產品(pin)破損率高。(2)按(an)使用(yong)(yong)品(pin)名分類為:1、亞克力石(shi)(shi)(shi):一(yi)種(zhong)(zhong)化學樹脂(zhi)合成材料,清潔,多(duo)用(yong)(yong)于(yu)廚房臺(tai)面,易(yi)成型(xing)(xing),防水性(xing)好,無色差(cha),但(dan)(dan)易(yi)劃(hua)傷。