噪(zao)(zao)(zao)音(yin)所(suo)產(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)危害是比(bi)較大的(de)(de)(de)(de)(de)(de)(de)(de),尤其(qi)是表現在如下(xia)幾個方(fang)面:1、長期在強烈的(de)(de)(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)音(yin)環境中(zhong)(zhong)(zhong)工(gong)作(zuo)(zuo),可(ke)以使人產(chan)生(sheng)(sheng)(sheng)噪(zao)(zao)(zao)聲性耳聾。2、影響人們(men)的(de)(de)(de)(de)(de)(de)(de)(de)正常工(gong)作(zuo)(zuo)、學習及(ji)日常生(sheng)(sheng)(sheng)活。那(nei)么石材加(jia)工(gong)過程中(zhong)(zhong)(zhong)噪(zao)(zao)(zao)音(yin)是怎樣產(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)呢(ni)?它主要來(lai)自齒(chi)(chi)(chi)尖(jian)噪(zao)(zao)(zao)聲,鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)振(zhen)動(dong)及(ji)物料(liao)摩擦聲。齒(chi)(chi)(chi)尖(jian)噪(zao)(zao)(zao)聲:是當(dang)鋸(ju)(ju)(ju)片(pian)(pian)(pian)高速(su)運轉(zhuan)時,鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)鋸(ju)(ju)(ju)齒(chi)(chi)(chi)與周圍的(de)(de)(de)(de)(de)(de)(de)(de)空氣(qi)(qi)(qi)相互作(zuo)(zuo)用(yong),引起(qi)空氣(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)力(li)脈動(dong)而產(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)聲。齒(chi)(chi)(chi)尖(jian)噪(zao)(zao)(zao)聲的(de)(de)(de)(de)(de)(de)(de)(de)聲功率(lv)(lv)與鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)直徑、鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)線速(su)度的(de)(de)(de)(de)(de)(de)(de)(de)三次方(fang)成(cheng)正比(bi),當(dang)轉(zhuan)速(su)越低時,與其(qi)線速(su)度三次方(fang)成(cheng)正比(bi),齒(chi)(chi)(chi)尖(jian)噪(zao)(zao)(zao)聲的(de)(de)(de)(de)(de)(de)(de)(de)頻(pin)率(lv)(lv)可(ke)由(you)下(xia)式(shi)(shi)計算:式(shi)(shi)中(zhong)(zhong)(zhong):fi—齒(chi)(chi)(chi)尖(jian)噪(zao)(zao)(zao)聲頻(pin)率(lv)(lv),即鋸(ju)(ju)(ju)齒(chi)(chi)(chi)每秒打空氣(qi)(qi)(qi)質點的(de)(de)(de)(de)(de)(de)(de)(de)次數,(HZ)z—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)齒(chi)(chi)(chi)數(個)n—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)軸的(de)(de)(de)(de)(de)(de)(de)(de)轉(zhuan)速(su)(r/min)i—諧波序號(hao)i=1、2、3……鋸(ju)(ju)(ju)片(pian)(pian)(pian)旋轉(zhuan)時,每個齒(chi)(chi)(chi)尖(jian)產(chan)生(sheng)(sheng)(sheng)單極輻射流,并(bing)周期地通(tong)過工(gong)作(zuo)(zuo)臺的(de)(de)(de)(de)(de)(de)(de)(de)鋸(ju)(ju)(ju)縫向外排出,由(you)于氣(qi)(qi)(qi)流壓(ya)(ya)力(li)發(fa)生(sheng)(sheng)(sheng)激烈變化,隨之(zhi)產(chan)生(sheng)(sheng)(sheng)排氣(qi)(qi)(qi)噪(zao)(zao)(zao)聲,排氣(qi)(qi)(qi)噪(zao)(zao)(zao)聲的(de)(de)(de)(de)(de)(de)(de)(de)升(sheng)功率(lv)(lv)也隨著鋸(ju)(ju)(ju)片(pian)(pian)(pian)線速(su)度增大而急劇增加(jia),它與氣(qi)(qi)(qi)流速(su)度的(de)(de)(de)(de)(de)(de)(de)(de)6次方(fang)成(cheng)正比(bi),在線速(su)度較小時,與其(qi)5次方(fang)成(cheng)正比(bi),則排氣(qi)(qi)(qi)噪(zao)(zao)(zao)聲頻(pin)率(lv)(lv)為:式(shi)(shi)中(zhong)(zhong)(zhong):fi—排氣(qi)(qi)(qi)噪(zao)(zao)(zao)聲頻(pin)率(lv)(lv),(HZ)z—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)齒(chi)(chi)(chi)數(個)n—鋸(ju)(ju)(ju)片(pian)(pian)(pian)軸的(de)(de)(de)(de)(de)(de)(de)(de)轉(zhuan)速(su)(r/min)i—諧波序號(hao)i=1、2、3……在鋸(ju)(ju)(ju)片(pian)(pian)(pian)高速(su)旋轉(zhuan)時,每當(dang)渦(wo)流分離的(de)(de)(de)(de)(de)(de)(de)(de)頻(pin)率(lv)(lv)與鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)固有頻(pin)率(lv)(lv)相近(jin)時,就發(fa)生(sheng)(sheng)(sheng)共振(zhen),便發(fa)出“尖(jian)叫(jiao)聲”,其(qi)頻(pin)率(lv)(lv)為:f=z fr式(shi)(shi)中(zhong)(zhong)(zhong):z—鋸(ju)(ju)(ju)片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)(de)(de)齒(chi)(chi)(chi)數(個)fr—軸回轉(zhuan)頻(pin)率(lv)(lv)(HZ)鋸(ju)(ju)(ju)片(pian)(pian)(pian)屬于薄壁件(jian),其(qi)剛(gang)性一般較差,在外力(li)的(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)(zuo)用(yong)下(xia)很容(rong)易(yi)產(chan)生(sheng)(sheng)(sheng)振(zhen)動(dong),由(you)于振(zhen)動(dong)便容(rong)易(yi)產(chan)生(sheng)(sheng)(sheng)物料(liao)的(de)(de)(de)(de)(de)(de)(de)(de)摩擦,因此該(gai)類的(de)(de)(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)音(yin)也就隨之(zhi)產(chan)生(sheng)(sheng)(sheng)。
青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai)用(yong)途(tu)青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai),顧名思義就是使用(yong)天(tian)然(ran)的(de)(de)(de)天(tian)青(qing)石制(zhi)作(zuo)而成的(de)(de)(de),使用(yong)它(ta)制(zhi)作(zuo)的(de)(de)(de)板(ban)(ban)(ban)(ban)材(cai)(cai)(cai),重(zhong)慶(qing)青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai)具(ju)(ju)有(you)無(wu)毒(du)無(wu)味(wei)、無(wu)反射的(de)(de)(de)特點,我們常(chang)常(chang)將它(ta)使用(yong)到各種(zhong)(zhong)大型(xing)的(de)(de)(de)室(shi)(shi)外廣場建筑的(de)(de)(de)裝(zhuang)修當中,這種(zhong)(zhong)青(qing)石板(ban)(ban)(ban)(ban)究(jiu)竟有(you)什么用(yong)途(tu),可以(yi)備受青(qing)睞呢?青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai),它(ta)是一(yi)種(zhong)(zhong)非礦物質(zhi)的(de)(de)(de)產品,俗稱“綠石板(ban)(ban)(ban)(ban)”,青(qing)石板(ban)(ban)(ban)(ban)主要是由(you)石灰石、白云(yun)石組(zu)成的(de)(de)(de),屬于(yu)(yu)沉積巖這一(yi)種(zhong)(zhong)類,重(zhong)慶(qing)青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai)它(ta)是隨著巖石埋藏的(de)(de)(de)深度條件的(de)(de)(de)不同以(yi)及銅、鐵、等等金屬氧化物的(de)(de)(de)混淆之后(hou),經過長(chang)時期的(de)(de)(de)地(di)質(zhi)作(zuo)用(yong),形成了多種(zhong)(zhong)顏色(se)的(de)(de)(de)青(qing)石板(ban)(ban)(ban)(ban)。青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai)具(ju)(ju)有(you)硬度高(gao),重(zhong)慶(qing)青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai)抗壓能力強,質(zhi)地(di)密實,重(zhong)慶(qing)青(qing)石板(ban)(ban)(ban)(ban)材(cai)(cai)(cai)由(you)于(yu)(yu)材(cai)(cai)(cai)質(zhi)的(de)(de)(de)天(tian)然(ran)性,看起(qi)來比(bi)較(jiao)自然(ran)古樸,它(ta)的(de)(de)(de)表面一(yi)般不會經過人工(gong)的(de)(de)(de)打(da)磨,當被(bei)劈制(zhi)成一(yi)些面積不大的(de)(de)(de)薄(bo)板(ban)(ban)(ban)(ban)后(hou),仍然(ran)具(ju)(ju)有(you)天(tian)然(ran)的(de)(de)(de)效果,用(yong)于(yu)(yu)室(shi)(shi)內的(de)(de)(de)裝(zhuang)飾或(huo)者是一(yi)些局(ju)部墻(qiang)面的(de)(de)(de)裝(zhuang)飾,這樣會使得裝(zhuang)飾有(you)返璞歸真的(de)(de)(de)效果。
浴缸(gang)石(shi)材收口(kou)施(shi)工(gong):(1)浴缸(gang)與(yu)(yu)石(shi)材相接(jie)部位按浴缸(gang)邊(bian)(bian)(bian)緣(yuan)壓石(shi)材的(de)做(zuo)法施(shi)工(gong),石(shi)材臺(tai)(tai)(tai)面(mian)(mian)按整(zheng)塊石(shi)材根(gen)據浴缸(gang)尺(chi)寸切割鏤(lou)空磨邊(bian)(bian)(bian),工(gong)廠(chang)加工(gong)完成后現場安裝(zhuang)(zhuang),石(shi)材與(yu)(yu)浴缸(gang)交界處用耐候膠收口(kou)。(2)浴缸(gang)周邊(bian)(bian)(bian)石(shi)材部位作4*4鍍鋅角鋼支撐架,鋼絲網泥沙漿粉刷后再(zai)安裝(zhuang)(zhuang)石(shi)材,并留設石(shi)材檢修(xiu)暗門,檢修(xiu)門規格及方向需(xu)符合檢修(xiu)要求。11、全窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)柜(ju)(ju)櫥臺(tai)(tai)(tai)面(mian)(mian)翻邊(bian)(bian)(bian)施(shi)工(gong):人(ren)(ren)造(zao)石(shi)臺(tai)(tai)(tai)面(mian)(mian)板(ban)(ban)與(yu)(yu)窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)部位高(gao)差(cha)50-70mm,為保證(zheng)整(zheng)體美觀效果,人(ren)(ren)造(zao)石(shi)臺(tai)(tai)(tai)面(mian)(mian)擋(dang)水(shui)應跟(gen)通至(zhi)(zhi)窗(chuang)(chuang)(chuang)框邊(bian)(bian)(bian)。12、高(gao)窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)櫥柜(ju)(ju)臺(tai)(tai)(tai)面(mian)(mian)翻邊(bian)(bian)(bian)施(shi)工(gong):人(ren)(ren)造(zao)石(shi)臺(tai)(tai)(tai)面(mian)(mian)板(ban)(ban)與(yu)(yu)窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)部位高(gao)差(cha)大(da)于(yu)80mm,人(ren)(ren)造(zao)石(shi)臺(tai)(tai)(tai)面(mian)(mian)擋(dang)水(shui)外(wai)凸(tu),窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)邊(bian)(bian)(bian)用人(ren)(ren)造(zao)石(shi)或廚房面(mian)(mian)磚跟(gen)通。13、低(di)窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)櫥柜(ju)(ju)臺(tai)(tai)(tai)面(mian)(mian)翻遍施(shi)工(gong):(1)窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)部位低(di)于(yu)人(ren)(ren)造(zao)石(shi)臺(tai)(tai)(tai)面(mian)(mian)板(ban)(ban),人(ren)(ren)造(zao)石(shi)臺(tai)(tai)(tai)面(mian)(mian)擋(dang)水(shui)做(zuo)出后需(xu)跟(gen)至(zhi)(zhi)窗(chuang)(chuang)(chuang)邊(bian)(bian)(bian)或預(yu)留。(2)不(bu)小于(yu)100mm的(de)操作空間后跟(gen)通至(zhi)(zhi)窗(chuang)(chuang)(chuang)臺(tai)(tai)(tai)面(mian)(mian)。大(da)理石(shi)地面(mian)(mian)如何養護?
辨(bian)識飾面石(shi)(shi)(shi)材(cai)(cai)質(zhi)量加(jia)工好(hao)的(de)(de)成品飾面石(shi)(shi)(shi)材(cai)(cai),其質(zhi)量好(hao)壞不(bu)可以從以下四方(fang)面來(lai)鑒別;⑴觀,即肉眼觀察(cha)石(shi)(shi)(shi)材(cai)(cai)的(de)(de)表面結(jie)構(gou)。一般說來(lai),均(jun)勻(yun)的(de)(de)細(xi)料結(jie)構(gou)的(de)(de)石(shi)(shi)(shi)材(cai)(cai)具有細(xi)膩的(de)(de)質(zhi)感(gan),為(wei)石(shi)(shi)(shi)材(cai)(cai)之佳品;粗粒及(ji)不(bu)等粒結(jie)構(gou)的(de)(de)石(shi)(shi)(shi)材(cai)(cai)其外(wai)觀效果(guo)較差,重(zhong)慶(qing)石(shi)(shi)(shi)材(cai)(cai)欄(lan)桿機(ji)械(xie)力學性能也不(bu)均(jun)勻(yun),質(zhi)量稍差。另外(wai),天然石(shi)(shi)(shi)材(cai)(cai)由于(yu)(yu)地質(zhi)作用(yong)的(de)(de)影(ying)響(xiang)常在其中產生(sheng)(sheng)一些細(xi)脈、微裂隙,石(shi)(shi)(shi)材(cai)(cai)易(yi)沿這些部位發生(sheng)(sheng)破裂,應(ying)注意剔除(chu)。至于(yu)(yu)缺(que)棱少角(jiao)更是(shi)影(ying)響(xiang)美觀,選擇時尤應(ying)注意。⑵量,即量石(shi)(shi)(shi)材(cai)(cai)的(de)(de)尺寸規格,重(zhong)慶(qing)石(shi)(shi)(shi)材(cai)(cai)欄(lan)桿以免影(ying)響(xiang)拼接,或(huo)造成拼接后(hou)的(de)(de)圖案(an)、花紋、線條變形(xing),影(ying)響(xiang)裝飾效果(guo)。⑶聽,即聽石(shi)(shi)(shi)材(cai)(cai)的(de)(de)敲擊聲音。一般而言(yan),質(zhi)量好(hao)的(de)(de),內部致密均(jun)勻(yun)且無顯(xian)微裂隙的(de)(de)石(shi)(shi)(shi)材(cai)(cai),其敲擊聲清脆悅耳(er);相反(fan),若石(shi)(shi)(shi)材(cai)(cai)內部存(cun)在顯(xian)微裂隙或(huo)細(xi)脈或(huo)因風化導致顆(ke)粒間接觸變松,則敲擊聲粗啞。⑷試(shi),即用(yong)簡單(dan)的(de)(de)試(shi)驗方(fang)法(fa)來(lai)檢驗石(shi)(shi)(shi)材(cai)(cai)質(zhi)量好(hao)壞。
酉陽偉奇卡拉拉白大理石石材服務商通(tong)常情(qing)況下圓形的(de)(de)(de)(de)刀具因(yin)為切開半徑(jing)比(bi)照小,所以(yi)重慶石材加工(gong)廠的(de)(de)(de)(de)石材在受力的(de)(de)(de)(de)進程(cheng)中比(bi)照安穩(wen)(wen),一(yi)同切開進程(cheng)的(de)(de)(de)(de)好(hao)壞直(zhi)接決議著石材的(de)(de)(de)(de)運(yun)用壽數。因(yin)此加工(gong)東(dong)西(xi)的(de)(de)(de)(de)翻(fan)開將會(hui)不(bu)(bu)(bu)斷跋涉。同樣是修建板(ban)(ban)石類,瓦(wa)(wa)板(ban)(ban)巖(yan)能(neng)夠做(zuo)飾面板(ban)(ban)巖(yan),而飾面板(ban)(ban)巖(yan)不(bu)(bu)(bu)能(neng)做(zuo)瓦(wa)(wa)板(ban)(ban)巖(yan),這是啥理(li)由呢?首要(yao)(yao)要(yao)(yao)知(zhi)道優質的(de)(de)(de)(de)板(ban)(ban)石有(you)必(bi)要(yao)(yao)具有(you)的(de)(de)(de)(de)特征:劈分功用好(hao)、平(ping)整度好(hao)、色(se)差小、黑度高(gao)(其他色(se)彩(cai)同理(li))、曲(qu)折(zhe)強(qiang)度高(gao)、含(han)鈣鐵硫量(liang)低(di),燒(shao)失(shi)量(liang)低(di),耐酸堿功用好(hao),吸水率低(di),耐候性(xing)好(hao)。重慶石材加工(gong)廠的(de)(de)(de)(de)青石板(ban)(ban)材不(bu)(bu)(bu)具有(you)超(chao)(chao)卓的(de)(de)(de)(de)劈分功用,根(gen)(gen)柢(di)沒(mei)有(you)方法(fa)把石板(ban)(ban)瓦(wa)(wa)劈分到5~7mm的(de)(de)(de)(de)規范(fan)厚度;沒(mei)有(you)超(chao)(chao)卓的(de)(de)(de)(de)曲(qu)折(zhe)強(qiang)度,在這一(yi)厚度下就(jiu)無(wu)法(fa)抵達蓋瓦(wa)(wa)的(de)(de)(de)(de)運(yun)用需(xu)要(yao)(yao);平(ping)整度差,根(gen)(gen)柢(di)不(bu)(bu)(bu)能(neng)滿意規整穩(wen)(wen)妥(tuo)的(de)(de)(de)(de)掛瓦(wa)(wa)施工(gong)需(xu)要(yao)(yao);沒(mei)有(you)超(chao)(chao)卓的(de)(de)(de)(de)材料特征,就(jiu)不(bu)(bu)(bu)能(neng)夠經久不(bu)(bu)(bu)褪色(se)、不(bu)(bu)(bu)風化(hua)、不(bu)(bu)(bu)生銹而堅持(chi)100年以(yi)上的(de)(de)(de)(de)運(yun)用壽數。