
加裝(zhuang)隔聲罩(zhao)用(yong)(yong)(yong)隔聲罩(zhao)來降低(di)鋸片加工時的(de)(de)(de)綜(zong)合(he)噪聲是行(xing)之有效的(de)(de)(de),罩(zhao)殼用(yong)(yong)(yong)鋼板(ban)制成,內涂阻尼材(cai)料、吸(xi)聲材(cai)料,選(xuan)擇超細玻璃棉,襯一(yi)層玻璃布。并用(yong)(yong)(yong)穿孔(kong)(kong)板(ban)護面。罩(zhao)殼、吸(xi)聲材(cai)料、穿孔(kong)(kong)板(ban)相對固定(ding)以(yi)防止設備運轉造(zao)(zao)(zao)成系統共振引起新(xin)的(de)(de)(de)噪音(yin)(yin)。措(cuo)施與(yu)能達到的(de)(de)(de)降噪效果:(1)基體采(cai)用(yong)(yong)(yong)復合(he)結構(gou)可(ke)以(yi)降噪10分貝(bei)(bei)左(zuo)右(2)減(jian)振法蘭盤可(ke)以(yi)降噪3分貝(bei)(bei)左(zuo)右(3)基體采(cai)用(yong)(yong)(yong)消音(yin)(yin)孔(kong)(kong)或消音(yin)(yin)縫5分貝(bei)(bei)左(zuo)右(4)整體隔音(yin)(yin)罩(zhao)10分貝(bei)(bei)左(zuo)右簡析人造(zao)(zao)(zao)石(shi)的(de)(de)(de)用(yong)(yong)(yong)途(tu)人造(zao)(zao)(zao)石(shi)材(cai)從誕生至今(jin)經(jing)歷幾(ji)(ji)十年的(de)(de)(de)研究(jiu)、開(kai)發和創新(xin),使人造(zao)(zao)(zao)石(shi)材(cai)能開(kai)發多種(zhong)材(cai)料廣泛(fan)應(ying)用(yong)(yong)(yong)與(yu)商(shang)(shang)業、住宅、甚至軍事領域等(deng)。在(zai)商(shang)(shang)業用(yong)(yong)(yong)途(tu)上(shang),人造(zao)(zao)(zao)石(shi)材(cai)的(de)(de)(de)使用(yong)(yong)(yong)幾(ji)(ji)乎不受限制。根(gen)據產品的(de)(de)(de)適應(ying)性,它(ta)可(ke)用(yong)(yong)(yong)于(yu)健康中(zhong)心(xin)、醫療機構(gou)、公共寫字樓、廠礦公司(si)、購(gou)物(wu)中(zhong)心(xin)等(deng)空(kong)間里(li)的(de)(de)(de)設備設施。

噪(zao)(zao)(zao)(zao)(zao)音(yin)(yin)所產(chan)(chan)生(sheng)的(de)(de)(de)(de)(de)(de)(de)危害是比較大的(de)(de)(de)(de)(de)(de)(de),尤其是表現在如(ru)下(xia)幾(ji)個(ge)(ge)(ge)方面(mian):1、長(chang)期在強烈的(de)(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)(zao)(zao)音(yin)(yin)環境(jing)中(zhong)(zhong)工(gong)作,可(ke)以使(shi)人產(chan)(chan)生(sheng)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)性耳聾。2、影響人們(men)的(de)(de)(de)(de)(de)(de)(de)正(zheng)常工(gong)作、學習及(ji)日常生(sheng)活。那么(me)石材加(jia)工(gong)過(guo)程中(zhong)(zhong)噪(zao)(zao)(zao)(zao)(zao)音(yin)(yin)是怎樣(yang)產(chan)(chan)生(sheng)的(de)(de)(de)(de)(de)(de)(de)呢(ni)?它主要(yao)來自(zi)齒尖(jian)(jian)(jian)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng),鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)振(zhen)動(dong)及(ji)物料摩擦聲(sheng)(sheng)。齒尖(jian)(jian)(jian)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng):是當鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)高速(su)運轉(zhuan)(zhuan)時(shi),鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)鋸(ju)(ju)齒與周圍的(de)(de)(de)(de)(de)(de)(de)空氣(qi)(qi)相(xiang)互作用(yong),引(yin)起空氣(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)壓(ya)力脈動(dong)而產(chan)(chan)生(sheng)的(de)(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)。齒尖(jian)(jian)(jian)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)聲(sheng)(sheng)功(gong)率(lv)與鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)直徑、鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)線速(su)度(du)的(de)(de)(de)(de)(de)(de)(de)三次方成正(zheng)比,當轉(zhuan)(zhuan)速(su)越(yue)低時(shi),與其線速(su)度(du)三次方成正(zheng)比,齒尖(jian)(jian)(jian)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)頻(pin)率(lv)可(ke)由下(xia)式(shi)計算:式(shi)中(zhong)(zhong):fi—齒尖(jian)(jian)(jian)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)頻(pin)率(lv),即鋸(ju)(ju)齒每(mei)秒(miao)打空氣(qi)(qi)質點的(de)(de)(de)(de)(de)(de)(de)次數,(HZ)z—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)齒數(個(ge)(ge)(ge))n—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)軸(zhou)(zhou)的(de)(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(su)(r/min)i—諧(xie)(xie)波序(xu)號(hao)i=1、2、3……鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)旋(xuan)轉(zhuan)(zhuan)時(shi),每(mei)個(ge)(ge)(ge)齒尖(jian)(jian)(jian)產(chan)(chan)生(sheng)單極輻射流(liu),并周期地通過(guo)工(gong)作臺的(de)(de)(de)(de)(de)(de)(de)鋸(ju)(ju)縫(feng)向外(wai)排出(chu),由于氣(qi)(qi)流(liu)壓(ya)力發(fa)生(sheng)激烈變化,隨(sui)之(zhi)產(chan)(chan)生(sheng)排氣(qi)(qi)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng),排氣(qi)(qi)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)升功(gong)率(lv)也隨(sui)著鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)線速(su)度(du)增大而急劇增加(jia),它與氣(qi)(qi)流(liu)速(su)度(du)的(de)(de)(de)(de)(de)(de)(de)6次方成正(zheng)比,在線速(su)度(du)較小時(shi),與其5次方成正(zheng)比,則排氣(qi)(qi)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)頻(pin)率(lv)為:式(shi)中(zhong)(zhong):fi—排氣(qi)(qi)噪(zao)(zao)(zao)(zao)(zao)聲(sheng)(sheng)頻(pin)率(lv),(HZ)z—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)齒數(個(ge)(ge)(ge))n—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)軸(zhou)(zhou)的(de)(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(su)(r/min)i—諧(xie)(xie)波序(xu)號(hao)i=1、2、3……在鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)高速(su)旋(xuan)轉(zhuan)(zhuan)時(shi),每(mei)當渦流(liu)分離的(de)(de)(de)(de)(de)(de)(de)頻(pin)率(lv)與鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)固(gu)有(you)頻(pin)率(lv)相(xiang)近時(shi),就發(fa)生(sheng)共(gong)振(zhen),便(bian)發(fa)出(chu)“尖(jian)(jian)(jian)叫聲(sheng)(sheng)”,其頻(pin)率(lv)為:f=z fr式(shi)中(zhong)(zhong):z—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)齒數(個(ge)(ge)(ge))fr—軸(zhou)(zhou)回轉(zhuan)(zhuan)頻(pin)率(lv)(HZ)鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)屬(shu)于薄壁(bi)件,其剛性一般較差,在外(wai)力的(de)(de)(de)(de)(de)(de)(de)作用(yong)下(xia)很容易產(chan)(chan)生(sheng)振(zhen)動(dong),由于振(zhen)動(dong)便(bian)容易產(chan)(chan)生(sheng)物料的(de)(de)(de)(de)(de)(de)(de)摩擦,因(yin)此該類的(de)(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)(zao)(zao)音(yin)(yin)也就隨(sui)之(zhi)產(chan)(chan)生(sheng)。

石(shi)(shi)(shi)材(cai)(cai)拼(pin)花(hua)補膠(jiao)、研磨(mo)及相(xiang)關注意事項石(shi)(shi)(shi)材(cai)(cai)拼(pin)花(hua),是(shi)一種常見的(de)(de)(de)(de)石(shi)(shi)(shi)材(cai)(cai)裝(zhuang)飾效果。這(zhe)(zhe)種工(gong)藝(yi)(yi)(yi),其(qi)實(shi)從古至今都有(you)。并且(qie)隨著現(xian)代設(she)(she)計(ji)和(he)制作技術的(de)(de)(de)(de)進步,漂亮的(de)(de)(de)(de)石(shi)(shi)(shi)材(cai)(cai)拼(pin)花(hua),大有(you)方興未艾之勢。我們做(zuo)石(shi)(shi)(shi)材(cai)(cai)護(hu)理工(gong)程(cheng),將(jiang)來遇(yu)到(dao)石(shi)(shi)(shi)材(cai)(cai)拼(pin)花(hua)的(de)(de)(de)(de)機會(hui)(hui),也會(hui)(hui)越來越多。本期我們就介紹下石(shi)(shi)(shi)材(cai)(cai)拼(pin)花(hua)的(de)(de)(de)(de)補膠(jiao)、研磨(mo)等(deng)環節的(de)(de)(de)(de)工(gong)藝(yi)(yi)(yi)。材(cai)(cai)料概念石(shi)(shi)(shi)材(cai)(cai)拼(pin)花(hua)設(she)(she)計(ji),是(shi)指利用天然石(shi)(shi)(shi)材(cai)(cai)的(de)(de)(de)(de)不同色澤(ze),通(tong)過設(she)(she)計(ji)和(he)加(jia)工(gong),拼(pin)裝(zhuang)成不同花(hua)型(xing)(xing)、圖(tu)案、logo等(deng)各類效果的(de)(de)(de)(de)石(shi)(shi)(shi)材(cai)(cai)裝(zhuang)飾藝(yi)(yi)(yi)術。材(cai)(cai)料類型(xing)(xing)得(de)益于技術的(de)(de)(de)(de)進步,現(xian)代石(shi)(shi)(shi)材(cai)(cai)拼(pin)花(hua)設(she)(she)計(ji),可(ke)謂“沒(mei)有(you)做(zuo)不到(dao),只(zhi)有(you)想不到(dao)”——類型(xing)(xing)眾多,且(qie)幾乎隨時都有(you)新的(de)(de)(de)(de)設(she)(she)計(ji)和(he)類型(xing)(xing)出現(xian)。因此,在這(zhe)(zhe)里我們主要從石(shi)(shi)(shi)材(cai)(cai)護(hu)理的(de)(de)(de)(de)角度出發,對拼(pin)花(hua)進行分(fen)類。這(zhe)(zhe)樣的(de)(de)(de)(de)分(fen)類,對補膠(jiao)、研磨(mo)等(deng)工(gong)藝(yi)(yi)(yi),是(shi)有(you)直(zhi)接的(de)(de)(de)(de)影響的(de)(de)(de)(de)。

永川建筑南斯拉夫白石材廠顏色(se)與質材(cai)(cai)相(xiang)得益彰,設(she)計的(de)空間(jian)會(hui)因(yin)此(ci)更加(jia)廣(guang)闊,人(ren)(ren)(ren)(ren)的(de)激(ji)情也會(hui)因(yin)此(ci)而常(chang)有常(chang)新!人(ren)(ren)(ren)(ren)造(zao)(zao)石(shi)材(cai)(cai)種(zhong)類(lei)與特點及其石(shi)材(cai)(cai)用途一、人(ren)(ren)(ren)(ren)造(zao)(zao)石(shi)材(cai)(cai)的(de)種(zhong)類(lei)(1)按出產所用的(de)材(cai)(cai)料人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)重(zhong)要分為(wei):水泥(ni)型(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)、樹脂型(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)、復合(he)(he)型(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)、燒(shao)結型(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)。這四(si)種(zhong)制作(zuo)(zuo)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)的(de)方法中,常(chang)用的(de)是聚酯型(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi),其物理(li)(li)(li)和化學(xue)機能(neng)好(hao),花紋輕易設(she)計,有重(zhong)現(xian)性,適于(yu)(yu)(yu)多(duo)種(zhong)用處,但(dan)價(jia)格絕(jue)對較(jiao)高(gao)(gao)(gao);水泥(ni)型(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)價(jia)錢低廉(lian),但(dan)耐腐化性能(neng)較(jiao)差,容易呈現(xian)微龜裂,適于(yu)(yu)(yu)作(zuo)(zuo)板材(cai)(cai)而不適于(yu)(yu)(yu)作(zuo)(zuo)衛(wei)生潔(jie)具;復合(he)(he)型(xing)(xing)(xing)(xing)(xing)則綜合(he)(he)了前兩者的(de)長處,既有良好(hao)的(de)物化性能(neng),本錢也較(jiao)低;燒(shao)結型(xing)(xing)(xing)(xing)(xing)人(ren)(ren)(ren)(ren)造(zao)(zao)大(da)(da)(da)(da)理(li)(li)(li)石(shi)固然只用粘土(tu)作(zuo)(zuo)膠粘劑(ji),但(dan)需(xu)經(jing)高(gao)(gao)(gao)溫焙燒(shao),因(yin)此(ci)能(neng)耗大(da)(da)(da)(da),造(zao)(zao)價(jia)高(gao)(gao)(gao),而且產品破損率(lv)高(gao)(gao)(gao)。(2)按使用品名分類(lei)為(wei):1、亞克力石(shi):一種(zhong)化學(xue)樹脂合(he)(he)成材(cai)(cai)料,清潔(jie),多(duo)用于(yu)(yu)(yu)廚房臺(tai)面,易成型(xing)(xing)(xing)(xing)(xing),防水性好(hao),無色(se)差,但(dan)易劃(hua)傷。