
噪(zao)(zao)(zao)音(yin)所產(chan)(chan)生(sheng)(sheng)的(de)(de)(de)(de)(de)(de)危害(hai)是比(bi)較大的(de)(de)(de)(de)(de)(de),尤其是表(biao)現(xian)在(zai)(zai)如下幾(ji)個方(fang)面:1、長期在(zai)(zai)強(qiang)烈(lie)的(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)音(yin)環境中工(gong)作(zuo),可(ke)以使(shi)人產(chan)(chan)生(sheng)(sheng)噪(zao)(zao)(zao)聲(sheng)(sheng)性耳(er)聾。2、影響人們的(de)(de)(de)(de)(de)(de)正(zheng)常(chang)工(gong)作(zuo)、學習及日常(chang)生(sheng)(sheng)活(huo)。那么石(shi)材加(jia)工(gong)過(guo)程(cheng)中噪(zao)(zao)(zao)音(yin)是怎樣產(chan)(chan)生(sheng)(sheng)的(de)(de)(de)(de)(de)(de)呢?它主(zhu)要來自(zi)齒(chi)(chi)(chi)尖(jian)(jian)噪(zao)(zao)(zao)聲(sheng)(sheng),鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)振(zhen)動(dong)及物(wu)料摩(mo)擦聲(sheng)(sheng)。齒(chi)(chi)(chi)尖(jian)(jian)噪(zao)(zao)(zao)聲(sheng)(sheng):是當(dang)鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)高速運轉(zhuan)(zhuan)時,鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)鋸(ju)(ju)(ju)(ju)(ju)齒(chi)(chi)(chi)與(yu)周圍的(de)(de)(de)(de)(de)(de)空(kong)氣(qi)(qi)相互作(zuo)用(yong),引(yin)起空(kong)氣(qi)(qi)的(de)(de)(de)(de)(de)(de)壓力(li)(li)脈動(dong)而產(chan)(chan)生(sheng)(sheng)的(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)聲(sheng)(sheng)。齒(chi)(chi)(chi)尖(jian)(jian)噪(zao)(zao)(zao)聲(sheng)(sheng)的(de)(de)(de)(de)(de)(de)聲(sheng)(sheng)功(gong)率與(yu)鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)直徑、鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)線速度(du)的(de)(de)(de)(de)(de)(de)三次(ci)(ci)方(fang)成(cheng)正(zheng)比(bi),當(dang)轉(zhuan)(zhuan)速越低時,與(yu)其線速度(du)三次(ci)(ci)方(fang)成(cheng)正(zheng)比(bi),齒(chi)(chi)(chi)尖(jian)(jian)噪(zao)(zao)(zao)聲(sheng)(sheng)的(de)(de)(de)(de)(de)(de)頻(pin)率可(ke)由下式(shi)計(ji)算(suan):式(shi)中:fi—齒(chi)(chi)(chi)尖(jian)(jian)噪(zao)(zao)(zao)聲(sheng)(sheng)頻(pin)率,即鋸(ju)(ju)(ju)(ju)(ju)齒(chi)(chi)(chi)每秒打空(kong)氣(qi)(qi)質點的(de)(de)(de)(de)(de)(de)次(ci)(ci)數(shu),(HZ)z—鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)齒(chi)(chi)(chi)數(shu)(個)n—鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)軸(zhou)的(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(r/min)i—諧波序號(hao)i=1、2、3……鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)旋(xuan)轉(zhuan)(zhuan)時,每個齒(chi)(chi)(chi)尖(jian)(jian)產(chan)(chan)生(sheng)(sheng)單極輻射流(liu)(liu)(liu),并(bing)周期地通(tong)過(guo)工(gong)作(zuo)臺的(de)(de)(de)(de)(de)(de)鋸(ju)(ju)(ju)(ju)(ju)縫向外(wai)排出,由于(yu)氣(qi)(qi)流(liu)(liu)(liu)壓力(li)(li)發生(sheng)(sheng)激烈(lie)變化(hua),隨(sui)之產(chan)(chan)生(sheng)(sheng)排氣(qi)(qi)噪(zao)(zao)(zao)聲(sheng)(sheng),排氣(qi)(qi)噪(zao)(zao)(zao)聲(sheng)(sheng)的(de)(de)(de)(de)(de)(de)升功(gong)率也(ye)隨(sui)著鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)線速度(du)增大而急劇增加(jia),它與(yu)氣(qi)(qi)流(liu)(liu)(liu)速度(du)的(de)(de)(de)(de)(de)(de)6次(ci)(ci)方(fang)成(cheng)正(zheng)比(bi),在(zai)(zai)線速度(du)較小時,與(yu)其5次(ci)(ci)方(fang)成(cheng)正(zheng)比(bi),則排氣(qi)(qi)噪(zao)(zao)(zao)聲(sheng)(sheng)頻(pin)率為(wei):式(shi)中:fi—排氣(qi)(qi)噪(zao)(zao)(zao)聲(sheng)(sheng)頻(pin)率,(HZ)z—鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)齒(chi)(chi)(chi)數(shu)(個)n—鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)軸(zhou)的(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(r/min)i—諧波序號(hao)i=1、2、3……在(zai)(zai)鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)高速旋(xuan)轉(zhuan)(zhuan)時,每當(dang)渦流(liu)(liu)(liu)分離的(de)(de)(de)(de)(de)(de)頻(pin)率與(yu)鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)固有頻(pin)率相近時,就(jiu)發生(sheng)(sheng)共振(zhen),便發出“尖(jian)(jian)叫聲(sheng)(sheng)”,其頻(pin)率為(wei):f=z fr式(shi)中:z—鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)齒(chi)(chi)(chi)數(shu)(個)fr—軸(zhou)回轉(zhuan)(zhuan)頻(pin)率(HZ)鋸(ju)(ju)(ju)(ju)(ju)片(pian)(pian)(pian)(pian)(pian)屬于(yu)薄(bo)壁件,其剛性一般較差,在(zai)(zai)外(wai)力(li)(li)的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)下很容易產(chan)(chan)生(sheng)(sheng)振(zhen)動(dong),由于(yu)振(zhen)動(dong)便容易產(chan)(chan)生(sheng)(sheng)物(wu)料的(de)(de)(de)(de)(de)(de)摩(mo)擦,因(yin)此該類的(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)音(yin)也(ye)就(jiu)隨(sui)之產(chan)(chan)生(sheng)(sheng)。

眉山裝修雅典金花大理石廠主(zhu)要(yao)的加(jia)(jia)工(gong)設(she)備(bei)是:自(zi)動多頭連續研磨(mo)(mo)(mo)機、金剛石校平機、橋(qiao)式(shi)磨(mo)(mo)(mo)機、圓盤(pan)磨(mo)(mo)(mo)機、逆轉式(shi)粗磨(mo)(mo)(mo)機、手(shou)扶磨(mo)(mo)(mo)機。3、切(qie)斷(duan)加(jia)(jia)工(gong)切(qie)斷(duan)加(jia)(jia)工(gong)是用切(qie)機將毛(mao)板或拋光板按所需規格(ge)尺寸進行定(ding)形切(qie)割(ge)加(jia)(jia)工(gong)。主(zhu)要(yao)的加(jia)(jia)工(gong)設(she)備(bei)是縱(zong)向(xiang)多鋸片切(qie)機、橫向(xiang)切(qie)機、橋(qiao)式(shi)切(qie)機、懸臂式(shi)切(qie)機、手(shou)搖切(qie)機等(deng)。4、鑿切(qie)加(jia)(jia)工(gong)鑿切(qie)加(jia)(jia)工(gong)是傳統的加(jia)(jia)工(gong)方(fang)法(fa),通過楔裂、鑿打(da)、劈剁(duo)、整修、打(da)磨(mo)(mo)(mo)等(deng)辦法(fa)將毛(mao)胚加(jia)(jia)工(gong)成所需產品,其表面(mian)可以(yi)是菠蘿面(mian)、龍眼面(mian)、荔(li)枝面(mian)、自(zi)然面(mian)、蘑(mo)菇(gu)面(mian)、拉(la)溝面(mian)等(deng)等(deng)。鑿切(qie)加(jia)(jia)主(zhu)要(yao)是使用手(shou)工(gong)加(jia)(jia)工(gong),像是錘、剁(duo)斧、鏨子(zi)、鑿子(zi)等(deng),不過有些加(jia)(jia)工(gong)過程(cheng)可以(yi)使用機器加(jia)(jia)工(gong)完成,重慶(qing)石材加(jia)(jia)工(gong)主(zhu)要(yao)設(she)備(bei)是劈石機、刨石機、自(zi)動錘鑿機、自(zi)動噴砂機等(deng)。

顏(yan)色與質材(cai)相得益彰(zhang),設(she)計的(de)空間(jian)會因(yin)此更(geng)加廣(guang)闊,人(ren)的(de)激情(qing)也會因(yin)此而常(chang)有常(chang)新!人(ren)造(zao)(zao)(zao)(zao)(zao)石(shi)材(cai)種類(lei)與特點及其(qi)石(shi)材(cai)用(yong)途一、人(ren)造(zao)(zao)(zao)(zao)(zao)石(shi)材(cai)的(de)種類(lei)(1)按出產(chan)所用(yong)的(de)材(cai)料(liao)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)重(zhong)要(yao)分為(wei):水(shui)泥(ni)型(xing)(xing)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)、樹脂(zhi)型(xing)(xing)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)、復(fu)合(he)(he)型(xing)(xing)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)、燒(shao)(shao)結(jie)型(xing)(xing)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)。這四(si)種制(zhi)作(zuo)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)的(de)方法(fa)中,常(chang)用(yong)的(de)是聚酯型(xing)(xing)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi),其(qi)物理(li)(li)(li)(li)(li)(li)和化(hua)學機能(neng)好,花紋輕易(yi)設(she)計,有重(zhong)現性(xing)(xing),適于(yu)(yu)多(duo)種用(yong)處,但(dan)價格絕(jue)對較(jiao)高;水(shui)泥(ni)型(xing)(xing)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)價錢(qian)(qian)低廉,但(dan)耐腐(fu)化(hua)性(xing)(xing)能(neng)較(jiao)差,容易(yi)呈現微龜裂,適于(yu)(yu)作(zuo)板材(cai)而不適于(yu)(yu)作(zuo)衛生潔具(ju);復(fu)合(he)(he)型(xing)(xing)則綜合(he)(he)了前兩者的(de)長處,既有良好的(de)物化(hua)性(xing)(xing)能(neng),本錢(qian)(qian)也較(jiao)低;燒(shao)(shao)結(jie)型(xing)(xing)人(ren)造(zao)(zao)(zao)(zao)(zao)大(da)(da)(da)理(li)(li)(li)(li)(li)(li)石(shi)固(gu)然只用(yong)粘土作(zuo)膠粘劑,但(dan)需經高溫焙燒(shao)(shao),因(yin)此能(neng)耗大(da)(da)(da),造(zao)(zao)(zao)(zao)(zao)價高,而且產(chan)品(pin)破損率高。(2)按使用(yong)品(pin)名分類(lei)為(wei):1、亞克(ke)力石(shi):一種化(hua)學樹脂(zhi)合(he)(he)成材(cai)料(liao),清潔,多(duo)用(yong)于(yu)(yu)廚房臺面,易(yi)成型(xing)(xing),防水(shui)性(xing)(xing)好,無色差,但(dan)易(yi)劃傷(shang)。

在兩個(ge)相(xiang)互垂直在內的(de)(de)(de)(de)方(fang)向(xiang)鋪兩條(tiao)干砂道路,讓他的(de)(de)(de)(de)寬度(du)(du)(du)要(yao)大(da)于板(ban)寬的(de)(de)(de)(de)寬度(du)(du)(du),厚度(du)(du)(du)要(yao)大(da)于3cm。結合施(shi)工大(da)樣圖(tu)(tu)及景觀(guan)鋪裝(zhuang)(zhuang)(zhuang)分區實際尺(chi)寸,把(ba)鋪裝(zhuang)(zhuang)(zhuang)板(ban)塊(kuai)排好(hao),重(zhong)慶青石(shi)(shi)(shi)(shi)板(ban)材(cai)(cai)(cai)以(yi)(yi)便檢查板(ban)塊(kuai)之間(jian)的(de)(de)(de)(de)縫(feng)隙,核對板(ban)塊(kuai)與墻(qiang)面(mian)(mian)、柱、洞口、樹池、側緣(yuan)石(shi)(shi)(shi)(shi)、平緣(yuan)石(shi)(shi)(shi)(shi)邊等部(bu)位(wei)的(de)(de)(de)(de)相(xiang)對位(wei)置。石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)挑選(xuan)(xuan)與辨別的(de)(de)(de)(de)三(san)個(ge)必(bi)知要(yao)點(dian)根據偉奇建材(cai)(cai)(cai)的(de)(de)(de)(de)經驗,對于石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)挑選(xuan)(xuan)與辨別的(de)(de)(de)(de)三(san)個(ge)必(bi)知要(yao)點(dian):一(yi)、色(se)調(diao)(diao);二(er)、裝(zhuang)(zhuang)(zhuang)飾(shi)(shi)的(de)(de)(de)(de)意(yi)圖(tu)(tu)與環境(jing)影(ying)響;三(san)、辨識飾(shi)(shi)面(mian)(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)質(zhi)量(liang)。接(jie)下來偉奇建材(cai)(cai)(cai)為大(da)家介紹:一(yi)、色(se)調(diao)(diao)天然(ran)飾(shi)(shi)面(mian)(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)除(chu)需考(kao)慮色(se)調(diao)(diao)選(xuan)(xuan)擇外,重(zhong)慶石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)欄桿還要(yao)考(kao)慮建筑物的(de)(de)(de)(de)功能(neng)。在家居(ju)中,客廳(ting)(ting)及臥室(shi)的(de)(de)(de)(de)裝(zhuang)(zhuang)(zhuang)飾(shi)(shi)宜(yi)選(xuan)(xuan)用偏暖(nuan)的(de)(de)(de)(de)色(se)調(diao)(diao),以(yi)(yi)顯(xian)示溫暖(nuan)、舒適的(de)(de)(de)(de)情調(diao)(diao);而用于衛(wei)生間(jian)、廚房的(de)(de)(de)(de)裝(zhuang)(zhuang)(zhuang)飾(shi)(shi)宜(yi)選(xuan)(xuan)用素淡(dan)雅潔的(de)(de)(de)(de)偏冷色(se)調(diao)(diao),以(yi)(yi)顯(xian)示出清潔衛(wei)生。二(er)、裝(zhuang)(zhuang)(zhuang)飾(shi)(shi)的(de)(de)(de)(de)意(yi)圖(tu)(tu)與環境(jing)影(ying)響由于使用天然(ran)飾(shi)(shi)面(mian)(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)裝(zhuang)(zhuang)(zhuang)飾(shi)(shi)的(de)(de)(de)(de)部(bu)位(wei)不同(tong),所以(yi)(yi)選(xuan)(xuan)用的(de)(de)(de)(de)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)類型(xing)也不同(tong)。用于室(shi)外建筑物裝(zhuang)(zhuang)(zhuang)飾(shi)(shi)時,需經受水期風(feng)吹(chui)雨淋(lin)日曬,花(hua)崗(gang)石(shi)(shi)(shi)(shi)因為不含(han)有碳酸鹽,重(zhong)慶石(shi)(shi)(shi)(shi)材(cai)(cai)(cai)欄桿吸水率(lv)小(xiao),抗風(feng)化(hua)能(neng)力強,好(hao)選(xuan)(xuan)用各種類型(xing)的(de)(de)(de)(de)花(hua)崗(gang)石(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai);用于廳(ting)(ting)堂地(di)面(mian)(mian)裝(zhuang)(zhuang)(zhuang)飾(shi)(shi)的(de)(de)(de)(de)飾(shi)(shi)面(mian)(mian)石(shi)(shi)(shi)(shi)材(cai)(cai)(cai),要(yao)求其物理化(hua)學(xue)性能(neng)穩(wen)定,機(ji)械強度(du)(du)(du)高,應首選(xuan)(xuan)花(hua)崗(gang)石(shi)(shi)(shi)(shi)類石(shi)(shi)(shi)(shi)材(cai)(cai)(cai);用于墻(qiang)裙及家居(ju)臥室(shi)地(di)面(mian)(mian)的(de)(de)(de)(de)裝(zhuang)(zhuang)(zhuang)飾(shi)(shi),機(ji)械強度(du)(du)(du)稍差,宜(yi)選(xuan)(xuan)用具有美(mei)麗圖(tu)(tu)案的(de)(de)(de)(de)大(da)理石(shi)(shi)(shi)(shi)。