噪(zao)(zao)(zao)音(yin)所(suo)產(chan)(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)危害是(shi)比較(jiao)大的(de)(de)(de)(de)(de),尤(you)其是(shi)表現在(zai)(zai)如(ru)下(xia)幾個(ge)(ge)方面:1、長期(qi)(qi)在(zai)(zai)強烈的(de)(de)(de)(de)(de)噪(zao)(zao)(zao)音(yin)環境中(zhong)工(gong)(gong)作,可以使人產(chan)(chan)生(sheng)(sheng)(sheng)噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)性耳聾。2、影(ying)響人們的(de)(de)(de)(de)(de)正常工(gong)(gong)作、學(xue)習(xi)及日常生(sheng)(sheng)(sheng)活(huo)。那么石(shi)材加(jia)工(gong)(gong)過程(cheng)中(zhong)噪(zao)(zao)(zao)音(yin)是(shi)怎樣產(chan)(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)呢(ni)?它主(zhu)要來自齒(chi)(chi)尖噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng),鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)振(zhen)(zhen)動(dong)及物料(liao)(liao)摩擦聲(sheng)(sheng)(sheng)(sheng)。齒(chi)(chi)尖噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng):是(shi)當(dang)鋸(ju)(ju)片(pian)(pian)高(gao)速(su)(su)運(yun)轉(zhuan)時(shi)(shi)(shi),鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)鋸(ju)(ju)齒(chi)(chi)與(yu)(yu)周圍的(de)(de)(de)(de)(de)空(kong)氣(qi)相互作用,引起(qi)空(kong)氣(qi)的(de)(de)(de)(de)(de)壓力(li)脈動(dong)而(er)產(chan)(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)。齒(chi)(chi)尖噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)聲(sheng)(sheng)(sheng)(sheng)功率與(yu)(yu)鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)直(zhi)徑、鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)線(xian)速(su)(su)度的(de)(de)(de)(de)(de)三(san)次方成正比,當(dang)轉(zhuan)速(su)(su)越(yue)低(di)時(shi)(shi)(shi),與(yu)(yu)其線(xian)速(su)(su)度三(san)次方成正比,齒(chi)(chi)尖噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)頻(pin)率可由(you)下(xia)式(shi)計算(suan):式(shi)中(zhong):fi—齒(chi)(chi)尖噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)頻(pin)率,即鋸(ju)(ju)齒(chi)(chi)每秒(miao)打空(kong)氣(qi)質點的(de)(de)(de)(de)(de)次數(shu),(HZ)z—鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)齒(chi)(chi)數(shu)(個(ge)(ge))n—鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)軸(zhou)的(de)(de)(de)(de)(de)轉(zhuan)速(su)(su)(r/min)i—諧波序號i=1、2、3……鋸(ju)(ju)片(pian)(pian)旋轉(zhuan)時(shi)(shi)(shi),每個(ge)(ge)齒(chi)(chi)尖產(chan)(chan)生(sheng)(sheng)(sheng)單(dan)極(ji)輻射(she)流,并(bing)周期(qi)(qi)地(di)通過工(gong)(gong)作臺的(de)(de)(de)(de)(de)鋸(ju)(ju)縫向外(wai)排出(chu),由(you)于氣(qi)流壓力(li)發(fa)生(sheng)(sheng)(sheng)激(ji)烈變化,隨(sui)之(zhi)(zhi)產(chan)(chan)生(sheng)(sheng)(sheng)排氣(qi)噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng),排氣(qi)噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)升功率也(ye)隨(sui)著鋸(ju)(ju)片(pian)(pian)線(xian)速(su)(su)度增大而(er)急劇增加(jia),它與(yu)(yu)氣(qi)流速(su)(su)度的(de)(de)(de)(de)(de)6次方成正比,在(zai)(zai)線(xian)速(su)(su)度較(jiao)小時(shi)(shi)(shi),與(yu)(yu)其5次方成正比,則排氣(qi)噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)頻(pin)率為:式(shi)中(zhong):fi—排氣(qi)噪(zao)(zao)(zao)聲(sheng)(sheng)(sheng)(sheng)頻(pin)率,(HZ)z—鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)齒(chi)(chi)數(shu)(個(ge)(ge))n—鋸(ju)(ju)片(pian)(pian)軸(zhou)的(de)(de)(de)(de)(de)轉(zhuan)速(su)(su)(r/min)i—諧波序號i=1、2、3……在(zai)(zai)鋸(ju)(ju)片(pian)(pian)高(gao)速(su)(su)旋轉(zhuan)時(shi)(shi)(shi),每當(dang)渦流分離的(de)(de)(de)(de)(de)頻(pin)率與(yu)(yu)鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)固有頻(pin)率相近時(shi)(shi)(shi),就(jiu)發(fa)生(sheng)(sheng)(sheng)共(gong)振(zhen)(zhen),便發(fa)出(chu)“尖叫聲(sheng)(sheng)(sheng)(sheng)”,其頻(pin)率為:f=z fr式(shi)中(zhong):z—鋸(ju)(ju)片(pian)(pian)的(de)(de)(de)(de)(de)齒(chi)(chi)數(shu)(個(ge)(ge))fr—軸(zhou)回(hui)轉(zhuan)頻(pin)率(HZ)鋸(ju)(ju)片(pian)(pian)屬(shu)于薄(bo)壁件,其剛性一般較(jiao)差,在(zai)(zai)外(wai)力(li)的(de)(de)(de)(de)(de)作用下(xia)很容(rong)易產(chan)(chan)生(sheng)(sheng)(sheng)振(zhen)(zhen)動(dong),由(you)于振(zhen)(zhen)動(dong)便容(rong)易產(chan)(chan)生(sheng)(sheng)(sheng)物料(liao)(liao)的(de)(de)(de)(de)(de)摩擦,因此該(gai)類的(de)(de)(de)(de)(de)噪(zao)(zao)(zao)音(yin)也(ye)就(jiu)隨(sui)之(zhi)(zhi)產(chan)(chan)生(sheng)(sheng)(sheng)。
都勻偉奇天然石材服務商石(shi)(shi)材(cai)墻面(mian)有(you)橫(heng)縫(feng)時(如V字縫(feng),凹槽)時,陰(yin)角(jiao)收口(kou)均需(xu)(xu)(xu)45度(du)(du)(角(jiao)度(du)(du)稍小于45度(du)(du),以利(li)于拼接)拼接對角(jiao)處(chu)理,應在工(gong)廠內加工(gong)完成。4、石(shi)(shi)材(cai)檢修門(men):(1)石(shi)(shi)材(cai)暗門(men)需(xu)(xu)(xu)采用(yong)熱鍍(du)鋅(xin)角(jiao)剛,角(jiao)鋼大小及(ji)滾珠軸(zhou)承大小根據門(men)體的(de)自重選定(ding),焊(han)(han)接部位(wei)作防(fang)(fang)(fang)銹處(chu)理。(2)石(shi)(shi)材(cai)干掛或安(an)裝,門(men)邊(bian)、框邊(bian)切割面(mian)需(xu)(xu)(xu)拋光處(chu)理,鋼架(jia)面(mian)采用(yong)防(fang)(fang)(fang)潮(chao)板(ban)包封。(3)門(men)與框之(zhi)間安(an)裝限位(wei)鏈(lian)。5、鋼架(jia)臺(tai)(tai)盆安(an)裝注意防(fang)(fang)(fang)銹等的(de)處(chu)理:(1)臺(tai)(tai)盆鐵甲須采用(yong)國(guo)標(biao)鍍(du)鋅(xin)角(jiao)鋼,焊(han)(han)接處(chu)做防(fang)(fang)(fang)銹處(chu)理。(2)臺(tai)(tai)盆固(gu)(gu)定(ding)于固(gu)(gu)定(ding)構件上,固(gu)(gu)定(ding)構建與石(shi)(shi)材(cai)墊(dian)塊用(yong)不銹鋼或鍍(du)鋅(xin)螺栓(shuan)固(gu)(gu)定(ding),墊(dian)塊背面(mian)及(ji)臺(tai)(tai)面(mian)粘結部位(wei)需(xu)(xu)(xu)經打毛(mao)處(chu)理用(yong)大理石(shi)(shi)膠粘接固(gu)(gu)定(ding),臺(tai)(tai)盆與固(gu)(gu)定(ding)構件連(lian)接處(chu)需(xu)(xu)(xu)用(yong)橡(xiang)皮墊(dian)塊,臺(tai)(tai)盆與臺(tai)(tai)面(mian)板(ban)下沿(yan)口(kou)用(yong)耐候膠密封。
石(shi)(shi)材(cai)(cai)(cai)(cai)拼(pin)(pin)花(hua)(hua)補膠、研(yan)磨(mo)及相關(guan)注意事項(xiang)石(shi)(shi)材(cai)(cai)(cai)(cai)拼(pin)(pin)花(hua)(hua),是一種常(chang)見的(de)(de)(de)(de)(de)(de)石(shi)(shi)材(cai)(cai)(cai)(cai)裝(zhuang)(zhuang)飾(shi)效果。這種工(gong)藝,其實從(cong)古至今都有(you)。并且(qie)隨著現(xian)代(dai)設(she)(she)(she)計(ji)(ji)(ji)和(he)制作技(ji)術的(de)(de)(de)(de)(de)(de)進(jin)步,漂亮的(de)(de)(de)(de)(de)(de)石(shi)(shi)材(cai)(cai)(cai)(cai)拼(pin)(pin)花(hua)(hua),大有(you)方興未艾之(zhi)勢。我們做石(shi)(shi)材(cai)(cai)(cai)(cai)護理工(gong)程,將來遇到(dao)石(shi)(shi)材(cai)(cai)(cai)(cai)拼(pin)(pin)花(hua)(hua)的(de)(de)(de)(de)(de)(de)機會(hui),也會(hui)越來越多。本期我們就介紹(shao)下(xia)石(shi)(shi)材(cai)(cai)(cai)(cai)拼(pin)(pin)花(hua)(hua)的(de)(de)(de)(de)(de)(de)補膠、研(yan)磨(mo)等環節的(de)(de)(de)(de)(de)(de)工(gong)藝。材(cai)(cai)(cai)(cai)料概念石(shi)(shi)材(cai)(cai)(cai)(cai)拼(pin)(pin)花(hua)(hua)設(she)(she)(she)計(ji)(ji)(ji),是指利(li)用(yong)天(tian)然石(shi)(shi)材(cai)(cai)(cai)(cai)的(de)(de)(de)(de)(de)(de)不(bu)同色澤,通過設(she)(she)(she)計(ji)(ji)(ji)和(he)加工(gong),拼(pin)(pin)裝(zhuang)(zhuang)成不(bu)同花(hua)(hua)型(xing)(xing)、圖案、logo等各類(lei)(lei)效果的(de)(de)(de)(de)(de)(de)石(shi)(shi)材(cai)(cai)(cai)(cai)裝(zhuang)(zhuang)飾(shi)藝術。材(cai)(cai)(cai)(cai)料類(lei)(lei)型(xing)(xing)得益于技(ji)術的(de)(de)(de)(de)(de)(de)進(jin)步,現(xian)代(dai)石(shi)(shi)材(cai)(cai)(cai)(cai)拼(pin)(pin)花(hua)(hua)設(she)(she)(she)計(ji)(ji)(ji),可謂“沒有(you)做不(bu)到(dao),只有(you)想不(bu)到(dao)”——類(lei)(lei)型(xing)(xing)眾(zhong)多,且(qie)幾乎(hu)隨時(shi)都有(you)新的(de)(de)(de)(de)(de)(de)設(she)(she)(she)計(ji)(ji)(ji)和(he)類(lei)(lei)型(xing)(xing)出(chu)現(xian)。因(yin)此,在這里我們主要從(cong)石(shi)(shi)材(cai)(cai)(cai)(cai)護理的(de)(de)(de)(de)(de)(de)角度出(chu)發,對拼(pin)(pin)花(hua)(hua)進(jin)行分類(lei)(lei)。這樣(yang)的(de)(de)(de)(de)(de)(de)分類(lei)(lei),對補膠、研(yan)磨(mo)等工(gong)藝,是有(you)直接(jie)的(de)(de)(de)(de)(de)(de)影響的(de)(de)(de)(de)(de)(de)。
長期(qi)以(yi)來,國內(nei)外(wai)專家學者(zhe)對(dui)金(jin)剛(gang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)具(ju)鋸(ju)(ju)(ju)切(qie)花(hua)崗巖的(de)(de)(de)(de)加(jia)工(gong)機(ji)(ji)理(li)(li)、金(jin)剛(gang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)具(ju)的(de)(de)(de)(de)磨(mo)損機(ji)(ji)理(li)(li),以(yi)及鋸(ju)(ju)(ju)切(qie)加(jia)工(gong)過(guo)(guo)程中的(de)(de)(de)(de)鋸(ju)(ju)(ju)切(qie)力(li)做了(le)大量試驗(yan)和(he)研究,取得了(le)令人(ren)矚目的(de)(de)(de)(de)成(cheng)果(guo),重慶石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材加(jia)工(gong)對(dui)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材鋸(ju)(ju)(ju)切(qie)加(jia)工(gong)及金(jin)剛(gang)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)工(gong)具(ju)的(de)(de)(de)(de)研究開發起到了(le)積極(ji)的(de)(de)(de)(de)推動作(zuo)用(yong)(yong)(yong)。裝修石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材的(de)(de)(de)(de)運用(yong)(yong)(yong)你可(ke)知怎樣(yang)選擇一般(ban)咱們(men)的(de)(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材多用(yong)(yong)(yong)于(yu)修建(jian),機(ji)(ji)械方(fang)面(mian),重慶石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材加(jia)工(gong)廠告訴咱們(men)多選用(yong)(yong)(yong)哪(na)些石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材!1、大理(li)(li)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)大理(li)(li)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)是地(di)殼(ke)華夏(xia)有(you)的(de)(de)(de)(de)巖石(shi)(shi)(shi)(shi)(shi)(shi)(shi)經過(guo)(guo)地(di)殼(ke)內(nei)高溫高壓(ya)作(zuo)用(yong)(yong)(yong)構成(cheng)的(de)(de)(de)(de)變(bian)質巖。地(di)殼(ke)的(de)(de)(de)(de)內(nei)力(li)作(zuo)用(yong)(yong)(yong)促進正(zheng)本(ben)的(de)(de)(de)(de)各類巖石(shi)(shi)(shi)(shi)(shi)(shi)(shi)發作(zuo)質的(de)(de)(de)(de)改動,即正(zheng)本(ben)巖石(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)構造(zao)(zao)、構造(zao)(zao)和(he)礦藏成(cheng)分發作(zuo)改動。經過(guo)(guo)突(tu)變(bian)構成(cheng)的(de)(de)(de)(de)新的(de)(de)(de)(de)巖石(shi)(shi)(shi)(shi)(shi)(shi)(shi)稱為變(bian)質巖。由于(yu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材異形(xing)加(jia)工(gong)機(ji)(ji)械大理(li)(li)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)一般(ban)都富含(han)雜(za)質,并且碳(tan)酸(suan)鈣在大氣中受二(er)氧化碳(tan)、碳(tan)化物、水氣的(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong),也(ye)簡略(lve)風化和(he)溶蝕,而使表面(mian)很快失去(qu)光澤。大理(li)(li)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)一般(ban)性質比照軟,這(zhe)是相對(dui)于(yu)花(hua)崗石(shi)(shi)(shi)(shi)(shi)(shi)(shi)而言的(de)(de)(de)(de)。
這便是飾面(mian)板(ban)巖不能做瓦板(ban)巖的(de)(de)(de)理由(you)(you),同理,瓦板(ban)巖能夠(gou)作飾面(mian)板(ban)巖的(de)(de)(de)理由(you)(you)就很簡(jian)略理解(jie)了(le),只要把瓦板(ban)巖劈分(fen)的(de)(de)(de)厚一(yi)點就能夠(gou)滿意飾面(mian)板(ban)巖的(de)(de)(de)悉(xi)數需要了(le)。石(shi)(shi)(shi)材(cai)(cai)加工(gong)(gong)工(gong)(gong)具(ju)的(de)(de)(de)現(xian)狀石(shi)(shi)(shi)材(cai)(cai)是具(ju)有高(gao)硬度(du)、高(gao)脆性特點的(de)(de)(de)材(cai)(cai)料。隨著(zhu)科學技術(shu)和現(xian)代工(gong)(gong)業的(de)(de)(de)發(fa)展(zhan),石(shi)(shi)(shi)材(cai)(cai)的(de)(de)(de)應用領域(yu)日益(yi)擴展(zhan),石(shi)(shi)(shi)材(cai)(cai)開(kai)采量(liang)逐年(nian)增(zeng)(zeng)加,如圖1—1所(suo)示。我國石(shi)(shi)(shi)材(cai)(cai)行(xing)業經(jing)過(guo)近(jin)20年(nian)的(de)(de)(de)高(gao)速(su)發(fa)展(zhan),一(yi)躍成(cheng)為(wei)在石(shi)(shi)(shi)材(cai)(cai)產(chan)量(liang)、消費量(liang)、貿易量(liang)均位于世界首位的(de)(de)(de)石(shi)(shi)(shi)材(cai)(cai)工(gong)(gong)業大國。2008年(nian)石(shi)(shi)(shi)材(cai)(cai)產(chan)量(liang)達2.23億平方千米,比(bi)2007年(nian)同比(bi)增(zeng)(zeng)加了(le)27%。2005年(nian)以來(lai),石(shi)(shi)(shi)材(cai)(cai)的(de)(de)(de)產(chan)量(liang)以穩定的(de)(de)(de)速(su)度(du)增(zeng)(zeng)長,其產(chan)品、工(gong)(gong)藝、設備技術(shu)含量(liang)極大提高(gao),大中(zhong)型石(shi)(shi)(shi)材(cai)(cai)企業不斷涌現(xian),行(xing)業呈現(xian)強勁(jing)的(de)(de)(de)發(fa)展(zhan)勢(shi)頭,中(zhong)國已成(cheng)為(wei)名副(fu)其實的(de)(de)(de)世界石(shi)(shi)(shi)材(cai)(cai)加工(gong)(gong)廠,重慶石(shi)(shi)(shi)材(cai)(cai)加工(gong)(gong)發(fa)展(zhan)趨勢(shi)和前(qian)景看好。
臺下柜(ju)(ju)臺盆(pen)(pen)(pen)安(an)裝:臺盆(pen)(pen)(pen)固(gu)定(ding)(ding)于(yu)固(gu)定(ding)(ding)構件(jian)上,固(gu)定(ding)(ding)構建與(yu)(yu)臺下柜(ju)(ju)基(ji)層(ceng)面(mian)8mm對穿(chuan)螺絲(si)固(gu)定(ding)(ding),臺盆(pen)(pen)(pen)與(yu)(yu)固(gu)定(ding)(ding)構件(jian)連(lian)接處(chu)用(yong)橡皮(pi)墊塊,臺盆(pen)(pen)(pen)與(yu)(yu)臺面(mian)板下沿口用(yong)耐(nai)候膠密(mi)封。7、衛生間(jian)玻璃(li)(li)隔斷(duan)與(yu)(yu)大(da)(da)理石(shi)墻面(mian)交接施(shi)工節點:(1)淋浴(yu)房玻璃(li)(li)安(an)裝前(qian),在兩塊石(shi)材間(jian)預埋“U”形不銹(xiu)鋼槽(cao),用(yong)AB膠或(huo)(huo)(huo)云石(shi)膠粘結固(gu)定(ding)(ding),把(ba)玻璃(li)(li)嵌入槽(cao)內(nei),接縫(feng)處(chu)打透明防霉(mei)硅膠。(2)U型不銹(xiu)鋼內(nei)徑規格寬比(bi)玻璃(li)(li)厚度(du)大(da)(da)2-4mm,深為15-18mm,壁厚不小于(yu)1.2mm。(3)玻璃(li)(li)需四周磨邊處(chu)理。8、淋浴(yu)房門預埋件(jian)安(an)裝:在石(shi)材安(an)裝前(qian)預埋鐵桿,直接與(yu)(yu)墻體固(gu)定(ding)(ding)(砂加氣墻需采用(yong)對穿(chuan)螺絲(si)桿加固(gu))。9、衛生間(jian)壁龕施(shi)工:高(gao)度(du)按墻面(mian)石(shi)材或(huo)(huo)(huo)瓷磚排版(ban)而定(ding)(ding),高(gao)度(du)應(ying)于(yu)橫縫(feng)跟平,并做與(yu)(yu)橫縫(feng)相同的倒角或(huo)(huo)(huo)凹槽(cao)。