
合成(cheng)石(shi):采(cai)取大(da)(da)理(li)石(shi)的(de)(de)粉末跟樹脂加工(gong)而成(cheng),質地堅(jian)挺。3、微晶(jing)石(shi):主要成(cheng)分相似(si)于(yu)玻璃制品,名義光(guang)潔,顏色(se)壯麗,質地堅(jian)硬(ying),主要用于(yu)鋪設(she)地面(mian),但(dan)因為質地堅(jian)硬(ying)不(bu)(bu)易于(yu)再加工(gong),并且(qie)價(jia)格較高。4、水磨(mo)石(shi):但(dan)耐(nai)腐蝕(shi)性(xing)(xing)能(neng)較差,容易涌(yong)現微龜裂,適于(yu)作板(ban)材而不(bu)(bu)適于(yu)作衛(wei)生潔具。二、人(ren)造(zao)(zao)石(shi)材的(de)(de)特點(1)色(se)彩(cai)豐富,應有盡(jin)有。有純色(se)的(de)(de),如:白色(se)、黃(huang)色(se)、黑色(se)、紅色(se)等。還有麻色(se),在凈色(se)板(ban)的(de)(de)基礎上,添(tian)加不(bu)(bu)同顏色(se),不(bu)(bu)同大(da)(da)小(xiao)的(de)(de)顆粒,創造(zao)(zao)出色(se)彩(cai)斑斕的(de)(de)各種色(se)彩(cai)效果。種類繁多,選(xuan)(xuan)擇(ze)余地特別大(da)(da)。(2)無放(fang)(fang)射性(xing)(xing)污染。人(ren)造(zao)(zao)石(shi)的(de)(de)材料經過嚴格篩(shai)選(xuan)(xuan)不(bu)(bu)含放(fang)(fang)射性(xing)(xing)物質,消費者(zhe)可放(fang)(fang)心(xin)使用。(3)硬(ying)度、韌性(xing)(xing)適中(zhong)。

噪(zao)音(yin)所產(chan)生的(de)(de)(de)危害是(shi)比(bi)(bi)較(jiao)大的(de)(de)(de),尤其(qi)(qi)是(shi)表現(xian)在(zai)(zai)(zai)如下幾(ji)個(ge)方(fang)面:1、長(chang)期(qi)在(zai)(zai)(zai)強烈(lie)的(de)(de)(de)噪(zao)音(yin)環(huan)境中(zhong)工作,可(ke)以(yi)使(shi)人產(chan)生噪(zao)聲(sheng)(sheng)(sheng)性耳聾。2、影響人們的(de)(de)(de)正(zheng)(zheng)常工作、學習及日常生活(huo)。那么石材加工過程中(zhong)噪(zao)音(yin)是(shi)怎樣產(chan)生的(de)(de)(de)呢?它(ta)(ta)主要(yao)來自(zi)齒(chi)(chi)尖(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng),鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)振(zhen)動及物料摩(mo)擦聲(sheng)(sheng)(sheng)。齒(chi)(chi)尖(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng):是(shi)當鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)高速(su)(su)(su)(su)運轉時(shi)(shi),鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)齒(chi)(chi)與(yu)(yu)周圍的(de)(de)(de)空氣相(xiang)互作用,引(yin)起空氣的(de)(de)(de)壓力脈(mo)動而(er)(er)產(chan)生的(de)(de)(de)噪(zao)聲(sheng)(sheng)(sheng)。齒(chi)(chi)尖(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng)的(de)(de)(de)聲(sheng)(sheng)(sheng)功(gong)率(lv)(lv)與(yu)(yu)鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)直徑、鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)線(xian)速(su)(su)(su)(su)度的(de)(de)(de)三次(ci)(ci)方(fang)成正(zheng)(zheng)比(bi)(bi),當轉速(su)(su)(su)(su)越低時(shi)(shi),與(yu)(yu)其(qi)(qi)線(xian)速(su)(su)(su)(su)度三次(ci)(ci)方(fang)成正(zheng)(zheng)比(bi)(bi),齒(chi)(chi)尖(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng)的(de)(de)(de)頻率(lv)(lv)可(ke)由下式(shi)計算(suan):式(shi)中(zhong):fi—齒(chi)(chi)尖(jian)(jian)噪(zao)聲(sheng)(sheng)(sheng)頻率(lv)(lv),即鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)齒(chi)(chi)每(mei)秒打空氣質點的(de)(de)(de)次(ci)(ci)數(shu)(shu),(HZ)z—鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)齒(chi)(chi)數(shu)(shu)(個(ge))n—鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)軸的(de)(de)(de)轉速(su)(su)(su)(su)(r/min)i—諧波(bo)序(xu)(xu)號(hao)i=1、2、3……鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)旋轉時(shi)(shi),每(mei)個(ge)齒(chi)(chi)尖(jian)(jian)產(chan)生單極輻射(she)流,并(bing)周期(qi)地通過工作臺的(de)(de)(de)鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)縫向外排出,由于氣流壓力發(fa)生激烈(lie)變化,隨之(zhi)產(chan)生排氣噪(zao)聲(sheng)(sheng)(sheng),排氣噪(zao)聲(sheng)(sheng)(sheng)的(de)(de)(de)升功(gong)率(lv)(lv)也隨著鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)線(xian)速(su)(su)(su)(su)度增(zeng)大而(er)(er)急劇增(zeng)加,它(ta)(ta)與(yu)(yu)氣流速(su)(su)(su)(su)度的(de)(de)(de)6次(ci)(ci)方(fang)成正(zheng)(zheng)比(bi)(bi),在(zai)(zai)(zai)線(xian)速(su)(su)(su)(su)度較(jiao)小時(shi)(shi),與(yu)(yu)其(qi)(qi)5次(ci)(ci)方(fang)成正(zheng)(zheng)比(bi)(bi),則排氣噪(zao)聲(sheng)(sheng)(sheng)頻率(lv)(lv)為:式(shi)中(zhong):fi—排氣噪(zao)聲(sheng)(sheng)(sheng)頻率(lv)(lv),(HZ)z—鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)齒(chi)(chi)數(shu)(shu)(個(ge))n—鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)軸的(de)(de)(de)轉速(su)(su)(su)(su)(r/min)i—諧波(bo)序(xu)(xu)號(hao)i=1、2、3……在(zai)(zai)(zai)鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)高速(su)(su)(su)(su)旋轉時(shi)(shi),每(mei)當渦流分離(li)的(de)(de)(de)頻率(lv)(lv)與(yu)(yu)鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)固有頻率(lv)(lv)相(xiang)近時(shi)(shi),就(jiu)發(fa)生共振(zhen),便發(fa)出“尖(jian)(jian)叫聲(sheng)(sheng)(sheng)”,其(qi)(qi)頻率(lv)(lv)為:f=z fr式(shi)中(zhong):z—鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)的(de)(de)(de)齒(chi)(chi)數(shu)(shu)(個(ge))fr—軸回轉頻率(lv)(lv)(HZ)鋸(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)(ju)片(pian)(pian)屬于薄(bo)壁件(jian),其(qi)(qi)剛性一般較(jiao)差,在(zai)(zai)(zai)外力的(de)(de)(de)作用下很(hen)容易產(chan)生振(zhen)動,由于振(zhen)動便容易產(chan)生物料的(de)(de)(de)摩(mo)擦,因(yin)此該類的(de)(de)(de)噪(zao)音(yin)也就(jiu)隨之(zhi)產(chan)生。

武漢偉奇瑪瑙黑石材廠浴(yu)(yu)缸石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)收口(kou)施(shi)(shi)工(gong):(1)浴(yu)(yu)缸與(yu)石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)相接部(bu)位(wei)按(an)浴(yu)(yu)缸邊(bian)緣壓石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)的(de)做(zuo)法施(shi)(shi)工(gong),石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)臺(tai)(tai)(tai)面按(an)整塊(kuai)石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)根據浴(yu)(yu)缸尺寸(cun)切(qie)割鏤空磨邊(bian),工(gong)廠(chang)加工(gong)完成(cheng)后現場安裝,石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)與(yu)浴(yu)(yu)缸交界處(chu)用耐(nai)候膠收口(kou)。(2)浴(yu)(yu)缸周(zhou)邊(bian)石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)部(bu)位(wei)作(zuo)4*4鍍鋅(xin)角鋼(gang)(gang)支撐(cheng)架,鋼(gang)(gang)絲網泥沙漿粉(fen)刷后再安裝石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai),并留設(she)石(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)檢(jian)修(xiu)暗門(men),檢(jian)修(xiu)門(men)規格及方向需(xu)符合檢(jian)修(xiu)要求(qiu)。11、全窗(chuang)臺(tai)(tai)(tai)柜櫥臺(tai)(tai)(tai)面翻(fan)邊(bian)施(shi)(shi)工(gong):人(ren)造(zao)石(shi)(shi)(shi)(shi)(shi)(shi)臺(tai)(tai)(tai)面板(ban)與(yu)窗(chuang)臺(tai)(tai)(tai)部(bu)位(wei)高(gao)差(cha)50-70mm,為(wei)保證整體美觀(guan)效果,人(ren)造(zao)石(shi)(shi)(shi)(shi)(shi)(shi)臺(tai)(tai)(tai)面擋水應跟通至窗(chuang)框邊(bian)。12、高(gao)窗(chuang)臺(tai)(tai)(tai)櫥柜臺(tai)(tai)(tai)面翻(fan)邊(bian)施(shi)(shi)工(gong):人(ren)造(zao)石(shi)(shi)(shi)(shi)(shi)(shi)臺(tai)(tai)(tai)面板(ban)與(yu)窗(chuang)臺(tai)(tai)(tai)部(bu)位(wei)高(gao)差(cha)大于(yu)(yu)80mm,人(ren)造(zao)石(shi)(shi)(shi)(shi)(shi)(shi)臺(tai)(tai)(tai)面擋水外凸,窗(chuang)臺(tai)(tai)(tai)邊(bian)用人(ren)造(zao)石(shi)(shi)(shi)(shi)(shi)(shi)或(huo)廚房面磚跟通。13、低窗(chuang)臺(tai)(tai)(tai)櫥柜臺(tai)(tai)(tai)面翻(fan)遍施(shi)(shi)工(gong):(1)窗(chuang)臺(tai)(tai)(tai)部(bu)位(wei)低于(yu)(yu)人(ren)造(zao)石(shi)(shi)(shi)(shi)(shi)(shi)臺(tai)(tai)(tai)面板(ban),人(ren)造(zao)石(shi)(shi)(shi)(shi)(shi)(shi)臺(tai)(tai)(tai)面擋水做(zuo)出后需(xu)跟至窗(chuang)邊(bian)或(huo)預(yu)留。(2)不小于(yu)(yu)100mm的(de)操作(zuo)空間后跟通至窗(chuang)臺(tai)(tai)(tai)面。大理石(shi)(shi)(shi)(shi)(shi)(shi)地面如何養護?

主(zhu)(zhu)要的加(jia)工(gong)(gong)(gong)(gong)設(she)(she)備(bei)是:自(zi)動多(duo)頭連續研磨(mo)機(ji)(ji)(ji)、金剛石(shi)校平(ping)機(ji)(ji)(ji)、橋式磨(mo)機(ji)(ji)(ji)、圓盤磨(mo)機(ji)(ji)(ji)、逆轉式粗磨(mo)機(ji)(ji)(ji)、手扶磨(mo)機(ji)(ji)(ji)。3、切(qie)斷(duan)(duan)加(jia)工(gong)(gong)(gong)(gong)切(qie)斷(duan)(duan)加(jia)工(gong)(gong)(gong)(gong)是用切(qie)機(ji)(ji)(ji)將毛(mao)板(ban)或拋光板(ban)按所需(xu)規格尺寸進行定形切(qie)割(ge)加(jia)工(gong)(gong)(gong)(gong)。主(zhu)(zhu)要的加(jia)工(gong)(gong)(gong)(gong)設(she)(she)備(bei)是縱向(xiang)多(duo)鋸片切(qie)機(ji)(ji)(ji)、橫(heng)向(xiang)切(qie)機(ji)(ji)(ji)、橋式切(qie)機(ji)(ji)(ji)、懸臂式切(qie)機(ji)(ji)(ji)、手搖切(qie)機(ji)(ji)(ji)等(deng)。4、鑿(zao)切(qie)加(jia)工(gong)(gong)(gong)(gong)鑿(zao)切(qie)加(jia)工(gong)(gong)(gong)(gong)是傳統的加(jia)工(gong)(gong)(gong)(gong)方法,通過楔裂、鑿(zao)打、劈剁、整修、打磨(mo)等(deng)辦法將毛(mao)胚加(jia)工(gong)(gong)(gong)(gong)成所需(xu)產品(pin),其(qi)表面可以(yi)是菠蘿面、龍眼(yan)面、荔(li)枝面、自(zi)然面、蘑菇面、拉(la)溝(gou)面等(deng)等(deng)。鑿(zao)切(qie)加(jia)主(zhu)(zhu)要是使用手工(gong)(gong)(gong)(gong)加(jia)工(gong)(gong)(gong)(gong),像是錘、剁斧、鏨子(zi)、鑿(zao)子(zi)等(deng),不過有些加(jia)工(gong)(gong)(gong)(gong)過程(cheng)可以(yi)使用機(ji)(ji)(ji)器加(jia)工(gong)(gong)(gong)(gong)完成,重慶(qing)石(shi)材加(jia)工(gong)(gong)(gong)(gong)主(zhu)(zhu)要設(she)(she)備(bei)是劈石(shi)機(ji)(ji)(ji)、刨(bao)石(shi)機(ji)(ji)(ji)、自(zi)動錘鑿(zao)機(ji)(ji)(ji)、自(zi)動噴砂機(ji)(ji)(ji)等(deng)。

復(fu)合結(jie)(jie)構復(fu)合阻尼(ni)結(jie)(jie)構在(zai)(zai)(zai)減(jian)振降(jiang)噪工程結(jie)(jie)構上也開始(shi)應用,它(ta)(ta)是薄(bo)彈性材料將幾(ji)層(ceng)板粘結(jie)(jie)在(zai)(zai)(zai)一(yi)起的(de)(de)(de)具有(you)高(gao)(gao)阻尼(ni)特性,并保(bao)持金(jin)(jin)屬板材料強度的(de)(de)(de)約束(shu)阻尼(ni)層(ceng)結(jie)(jie)構,阻尼(ni)層(ceng)厚度為0.10mm。在(zai)(zai)(zai)常(chang)溫和高(gao)(gao)溫(80—100℃)下(xia)具有(you)良好的(de)(de)(de)阻尼(ni)特性,它(ta)(ta)對振動能(neng)量(liang)的(de)(de)(de)消散,從一(yi)般(ban)普通彈性變形(xing)作功(gong)(gong)力消耗(hao),提(ti)高(gao)(gao)為高(gao)(gao)彈性體變形(xing)的(de)(de)(de)做功(gong)(gong)消耗(hao),使(shi)變形(xing)滯后(hou)應力的(de)(de)(de)程度增加(jia),另(ling)外,這種約束(shu)阻尼(ni)結(jie)(jie)構拉壓(ya)變形(xing)所消散的(de)(de)(de)能(neng)量(liang),消耗(hao)因子一(yi)般(ban)在(zai)(zai)(zai)0.3以上,大峰值可在(zai)(zai)(zai)0.85,并且是有(you)寬(kuan)頻帶控制特性,在(zai)(zai)(zai)很大的(de)(de)(de)頻率范圍內起到(dao)抑制峰值的(de)(de)(de)作用,鋸片基體常(chang)用的(de)(de)(de)復(fu)合阻尼(ni)層(ceng)結(jie)(jie)構為2層(ceng)。利用復(fu)合阻尼(ni)結(jie)(jie)構的(de)(de)(de)鋸片基體有(you)如下(xia)特點:(1)鋸片的(de)(de)(de)校平及應力的(de)(de)(de)調整(zheng)難度很大;(2)生產效率較(jiao)低(di),成本較(jiao)高(gao)(gao);(3)加(jia)工處理技(ji)術不當(dang),基體會(hui)缺乏軸(zhou)向剛性。安裝及使(shi)用方法降(jiang)噪1、夾(jia)盤(pan)改造降(jiang)噪(1)在(zai)(zai)(zai)不影(ying)響鋸切(qie)高(gao)(gao)度前提(ti)下(xia),應盡(jin)量(liang)加(jia)大鋸片的(de)(de)(de)夾(jia)盤(pan)直徑(jing),這樣可以提(ti)高(gao)(gao)鋸片剛性,減(jian)少彎曲(qu)振動,對降(jiang)低(di)振動噪聲(sheng)是及其有(you)效的(de)(de)(de),實驗研究證明,當(dang)夾(jia)盤(pan)直徑(jing)加(jia)大到(dao)鋸片直徑(jing)的(de)(de)(de)3/4倍時(shi),減(jian)噪佳。(2)為了增加(jia)鋸片的(de)(de)(de)彈性,使(shi)其受力均勻(yun),在(zai)(zai)(zai)夾(jia)盤(pan)上開一(yi)圈槽,嵌入(ru)橡(xiang)膠條或(huo)軟金(jin)(jin)屬。

顏色與(yu)質材相得益(yi)彰,設(she)計的空間會因此更加廣闊,人(ren)的激(ji)情(qing)也會因此而常(chang)有(you)(you)常(chang)新!人(ren)造(zao)(zao)(zao)石(shi)(shi)(shi)(shi)材種(zhong)類與(yu)特點及(ji)其石(shi)(shi)(shi)(shi)材用(yong)(yong)途(tu)一、人(ren)造(zao)(zao)(zao)石(shi)(shi)(shi)(shi)材的種(zhong)類(1)按出產所用(yong)(yong)的材料人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)重(zhong)要分(fen)為:水(shui)泥(ni)型(xing)人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)、樹脂型(xing)人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)、復合(he)型(xing)人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)、燒結型(xing)人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)。這四(si)種(zhong)制作人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)的方(fang)法中,常(chang)用(yong)(yong)的是聚酯(zhi)型(xing)人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi),其物理(li)和化(hua)學(xue)機能(neng)好(hao),花紋輕易(yi)(yi)設(she)計,有(you)(you)重(zhong)現性,適于(yu)多種(zhong)用(yong)(yong)處(chu),但價(jia)格絕對較(jiao)高;水(shui)泥(ni)型(xing)人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)價(jia)錢低(di)廉(lian),但耐腐化(hua)性能(neng)較(jiao)差(cha),容易(yi)(yi)呈現微龜裂,適于(yu)作板材而不(bu)適于(yu)作衛生潔具;復合(he)型(xing)則綜合(he)了(le)前兩者(zhe)的長處(chu),既有(you)(you)良好(hao)的物化(hua)性能(neng),本(ben)錢也較(jiao)低(di);燒結型(xing)人(ren)造(zao)(zao)(zao)大(da)理(li)石(shi)(shi)(shi)(shi)固然只用(yong)(yong)粘土作膠粘劑(ji),但需經高溫焙燒,因此能(neng)耗大(da),造(zao)(zao)(zao)價(jia)高,而且產品破損(sun)率高。(2)按使(shi)用(yong)(yong)品名分(fen)類為:1、亞克力石(shi)(shi)(shi)(shi):一種(zhong)化(hua)學(xue)樹脂合(he)成材料,清潔,多用(yong)(yong)于(yu)廚(chu)房臺(tai)面(mian),易(yi)(yi)成型(xing),防水(shui)性好(hao),無色差(cha),但易(yi)(yi)劃傷。