
加裝隔(ge)聲罩用隔(ge)聲罩來降低鋸片(pian)加工時的(de)(de)(de)綜(zong)合噪(zao)聲是(shi)行之有(you)效的(de)(de)(de),罩殼用鋼板(ban)(ban)制成(cheng),內涂阻尼材(cai)料(liao)、吸(xi)聲材(cai)料(liao),選擇超細玻(bo)璃棉,襯一層玻(bo)璃布。并用穿孔板(ban)(ban)護面。罩殼、吸(xi)聲材(cai)料(liao)、穿孔板(ban)(ban)相(xiang)對(dui)固(gu)定以防止設備運轉造(zao)(zao)成(cheng)系統共(gong)振引起新(xin)的(de)(de)(de)噪(zao)音(yin)。措施(shi)與(yu)能(neng)達到的(de)(de)(de)降噪(zao)效果:(1)基體(ti)采用復合結構(gou)可以降噪(zao)10分貝左右(you)(2)減振法蘭盤可以降噪(zao)3分貝左右(you)(3)基體(ti)采用消(xiao)音(yin)孔或(huo)消(xiao)音(yin)縫5分貝左右(you)(4)整體(ti)隔(ge)音(yin)罩10分貝左右(you)簡析人造(zao)(zao)石(shi)(shi)的(de)(de)(de)用途(tu)人造(zao)(zao)石(shi)(shi)材(cai)從誕生至今經歷(li)幾(ji)十年的(de)(de)(de)研究、開(kai)(kai)發和創(chuang)新(xin),使(shi)人造(zao)(zao)石(shi)(shi)材(cai)能(neng)開(kai)(kai)發多種材(cai)料(liao)廣泛應用與(yu)商(shang)業、住宅、甚至軍事領域(yu)等。在商(shang)業用途(tu)上,人造(zao)(zao)石(shi)(shi)材(cai)的(de)(de)(de)使(shi)用幾(ji)乎不受限(xian)制。根據產品的(de)(de)(de)適應性(xing),它可用于健(jian)康中心、醫療機構(gou)、公(gong)共(gong)寫(xie)字樓、廠礦公(gong)司、購物中心等空(kong)間(jian)里的(de)(de)(de)設備設施(shi)。

噪(zao)(zao)(zao)(zao)音所產(chan)(chan)生(sheng)的(de)(de)(de)(de)(de)(de)危害是(shi)(shi)比較大(da)(da)的(de)(de)(de)(de)(de)(de),尤其是(shi)(shi)表現在(zai)(zai)如下(xia)幾個方(fang)(fang)(fang)面:1、長期(qi)在(zai)(zai)強(qiang)烈的(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)(zao)音環境(jing)中(zhong)(zhong)工(gong)(gong)作(zuo),可(ke)以使人(ren)產(chan)(chan)生(sheng)噪(zao)(zao)(zao)(zao)聲性(xing)耳聾。2、影響人(ren)們的(de)(de)(de)(de)(de)(de)正(zheng)常(chang)工(gong)(gong)作(zuo)、學習(xi)及(ji)日常(chang)生(sheng)活(huo)。那么石材加工(gong)(gong)過程中(zhong)(zhong)噪(zao)(zao)(zao)(zao)音是(shi)(shi)怎(zen)樣產(chan)(chan)生(sheng)的(de)(de)(de)(de)(de)(de)呢?它(ta)主要來自齒(chi)(chi)尖噪(zao)(zao)(zao)(zao)聲,鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)振(zhen)動及(ji)物料摩(mo)(mo)擦聲。齒(chi)(chi)尖噪(zao)(zao)(zao)(zao)聲:是(shi)(shi)當鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)高(gao)速運轉(zhuan)(zhuan)時,鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)鋸(ju)(ju)齒(chi)(chi)與(yu)(yu)周圍的(de)(de)(de)(de)(de)(de)空氣(qi)(qi)(qi)(qi)(qi)相互作(zuo)用,引起空氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)壓力脈(mo)動而(er)產(chan)(chan)生(sheng)的(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)(zao)聲。齒(chi)(chi)尖噪(zao)(zao)(zao)(zao)聲的(de)(de)(de)(de)(de)(de)聲功率(lv)(lv)與(yu)(yu)鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)直(zhi)徑、鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)線速度(du)(du)的(de)(de)(de)(de)(de)(de)三次(ci)方(fang)(fang)(fang)成(cheng)正(zheng)比,當轉(zhuan)(zhuan)速越低(di)時,與(yu)(yu)其線速度(du)(du)三次(ci)方(fang)(fang)(fang)成(cheng)正(zheng)比,齒(chi)(chi)尖噪(zao)(zao)(zao)(zao)聲的(de)(de)(de)(de)(de)(de)頻(pin)(pin)率(lv)(lv)可(ke)由下(xia)式(shi)計(ji)算(suan):式(shi)中(zhong)(zhong):fi—齒(chi)(chi)尖噪(zao)(zao)(zao)(zao)聲頻(pin)(pin)率(lv)(lv),即鋸(ju)(ju)齒(chi)(chi)每(mei)秒打空氣(qi)(qi)(qi)(qi)(qi)質點的(de)(de)(de)(de)(de)(de)次(ci)數,(HZ)z—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)齒(chi)(chi)數(個)n—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)軸的(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(r/min)i—諧(xie)(xie)波(bo)(bo)序號(hao)i=1、2、3……鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)旋轉(zhuan)(zhuan)時,每(mei)個齒(chi)(chi)尖產(chan)(chan)生(sheng)單極(ji)輻射流(liu),并周期(qi)地通過工(gong)(gong)作(zuo)臺的(de)(de)(de)(de)(de)(de)鋸(ju)(ju)縫(feng)向(xiang)外排出(chu),由于氣(qi)(qi)(qi)(qi)(qi)流(liu)壓力發(fa)生(sheng)激(ji)烈變(bian)化,隨之產(chan)(chan)生(sheng)排氣(qi)(qi)(qi)(qi)(qi)噪(zao)(zao)(zao)(zao)聲,排氣(qi)(qi)(qi)(qi)(qi)噪(zao)(zao)(zao)(zao)聲的(de)(de)(de)(de)(de)(de)升功率(lv)(lv)也(ye)隨著鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)線速度(du)(du)增大(da)(da)而(er)急(ji)劇增加,它(ta)與(yu)(yu)氣(qi)(qi)(qi)(qi)(qi)流(liu)速度(du)(du)的(de)(de)(de)(de)(de)(de)6次(ci)方(fang)(fang)(fang)成(cheng)正(zheng)比,在(zai)(zai)線速度(du)(du)較小(xiao)時,與(yu)(yu)其5次(ci)方(fang)(fang)(fang)成(cheng)正(zheng)比,則(ze)排氣(qi)(qi)(qi)(qi)(qi)噪(zao)(zao)(zao)(zao)聲頻(pin)(pin)率(lv)(lv)為:式(shi)中(zhong)(zhong):fi—排氣(qi)(qi)(qi)(qi)(qi)噪(zao)(zao)(zao)(zao)聲頻(pin)(pin)率(lv)(lv),(HZ)z—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)齒(chi)(chi)數(個)n—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)軸的(de)(de)(de)(de)(de)(de)轉(zhuan)(zhuan)速(r/min)i—諧(xie)(xie)波(bo)(bo)序號(hao)i=1、2、3……在(zai)(zai)鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)高(gao)速旋轉(zhuan)(zhuan)時,每(mei)當渦流(liu)分離的(de)(de)(de)(de)(de)(de)頻(pin)(pin)率(lv)(lv)與(yu)(yu)鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)固(gu)有(you)頻(pin)(pin)率(lv)(lv)相近時,就發(fa)生(sheng)共(gong)振(zhen),便發(fa)出(chu)“尖叫聲”,其頻(pin)(pin)率(lv)(lv)為:f=z fr式(shi)中(zhong)(zhong):z—鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)齒(chi)(chi)數(個)fr—軸回轉(zhuan)(zhuan)頻(pin)(pin)率(lv)(lv)(HZ)鋸(ju)(ju)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)屬(shu)于薄(bo)壁件,其剛性(xing)一般較差(cha),在(zai)(zai)外力的(de)(de)(de)(de)(de)(de)作(zuo)用下(xia)很容(rong)易產(chan)(chan)生(sheng)振(zhen)動,由于振(zhen)動便容(rong)易產(chan)(chan)生(sheng)物料的(de)(de)(de)(de)(de)(de)摩(mo)(mo)擦,因此該類的(de)(de)(de)(de)(de)(de)噪(zao)(zao)(zao)(zao)音也(ye)就隨之產(chan)(chan)生(sheng)。

清理縫隙若縫隙<0.2mm對于縫隙極小的石材拼花,清縫環節,基本上不允許使用機械進行操作。如果采用手提切割機和清縫片等設備,一方面易造成縫隙切割放大;另一方面會產生很高的熱量,導致崩邊等問題,破壞整體裝飾效果。手工清理。選用精工刀片,很薄的那種。有些地方,甚至需要用到更薄的剃須刀片來進行清理。清縫時,速度要慢,避免拼花細節處的破壞。清縫完成后,用大功率的吸塵器,將縫隙處的灰塵吸走。若縫隙>0.2mm拼(pin)花面積很大,縫隙(xi)較(jiao)款時(shi),可(ke)選用“手提切(qie)(qie)割機+0.2mm清縫片”進行清理(li)。清縫深度要達到3mm以上,越深整體結構強度越高。清縫時(shi),一(yi)定要保(bao)持石材(cai)的原貌(mao),不要拓寬縫隙(xi)。縫隙(xi)盡頭處,不要切(qie)(qie)過(guo)了。不要切(qie)(qie)串(chuan)縫——就是不要沿著一(yi)條縫清理(li)時(shi),不小心(xin)歪出去。

紅花崗偉奇花崗石石材服務商燒(shao)(shao)毛加(jia)(jia)(jia)工燒(shao)(shao)毛加(jia)(jia)(jia)工又稱(cheng)火燒(shao)(shao)加(jia)(jia)(jia)工、噴(pen)燒(shao)(shao)加(jia)(jia)(jia)工,是(shi)利用組成(cheng)花(hua)(hua)崗石(shi)的(de)(de)不同礦(kuang)物顆粒熱脹(zhang)系數的(de)(de)差異(yi),用火焰噴(pen)燒(shao)(shao)使其表面(mian)部分顆粒熱脹(zhang)破裂(lie)脫(tuo)落(luo),形成(cheng)起伏有(you)序(xu)的(de)(de)粗(cu)面(mian)紋飾(shi)。這種粗(cu)面(mian)花(hua)(hua)崗石(shi)板材,非常的(de)(de)適合于濕滑場(chang)所(suo)的(de)(de)地面(mian)裝飾(shi)和戶外的(de)(de)墻(qiang)面(mian)裝飾(shi)。主要(yao)設(she)備是(shi)花(hua)(hua)崗石(shi)自動燒(shao)(shao)毛機(ji)。6、輔(fu)助加(jia)(jia)(jia)工輔(fu)助加(jia)(jia)(jia)工是(shi)將已(yi)切(qie)齊(qi)、磨光的(de)(de)石(shi)材按需(xu)要(yao)磨邊(bian)、倒角(jiao)、開(kai)孔洞(dong)、鉆眼、銑槽、銑邊(bian)等(deng)。主要(yao)的(de)(de)加(jia)(jia)(jia)工設(she)備有(you)自動磨邊(bian)倒角(jiao)機(ji)、仿(fang)形銑機(ji)、薄壁鉆孔機(ji)、手持金剛(gang)石(shi)圓鋸、手持磨光拋光機(ji)等(deng)。7、檢(jian)(jian)驗修補天然花(hua)(hua)崗石(shi)難免有(you)裂(lie)縫(feng)、孔洞(dong)等(deng)瑕疵,而(er)且(qie)在加(jia)(jia)(jia)工過(guo)程也難免會有(you)一(yi)些磕碰,出現一(yi)些小(xiao)缺陷(xian)。所(suo)以在加(jia)(jia)(jia)工完成(cheng)后所(suo)有(you)的(de)(de)花(hua)(hua)崗巖板材都需(xu)要(yao)檢(jian)(jian)驗,首先要(yao)通過(guo)清洗,重慶(qing)石(shi)材加(jia)(jia)(jia)工然后是(shi)吹干檢(jian)(jian)驗,合格品包裝入庫(ku),而(er)不合格產品則應先挑(tiao)出來(lai)。