寶安pc亞克力鏡片面板外殼深圳市佶利科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="鏡片的光學(xué)性質(zhì)：光線折射光學(xué)性質(zhì)是材料的基本性質(zhì)，與鏡片在日常生活中所見到的各種光學(xué)現(xiàn)象相符合，主要為光線在鏡片表面的折射和反射、材料本身的吸收，以及散射和衍射現(xiàn)象。（1）光線折射：通過鏡片的光線會在鏡片的前后表面發(fā)生折射或偏離現(xiàn)象，光線的"><meta name="keywords" content="寶安pc亞克力鏡片面板外殼,鏡片面板"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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id="3jgd7kc" class="proBig"><div id="f3um7pr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914830664063/5730110.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vfmegnu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914830664063/5730110.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3yldfmj" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寶安pc亞克力鏡片面板外殼,鏡片面板</p><p><span>***更新：</span>2021-01-19 07:04:59</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wqsu8b2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市佶利科技有限公司</a></p><p><span>聯(lián)系人：</span>江小姐</p><p><span>郵箱: </span>360581031@qq.com</p><p><span>電話: </span>13928444710</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-81471926</p><p><span>地址: </span>觀瀾街道廣培社區(qū)木頭湖517號201-1</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="aumolnk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lacz87v" class="box"><p><p> 鏡片的光學(xué)性質(zhì)：光線折射 </p> <p> <br /> </p> <p> 光學(xué)性質(zhì)是材料的基本性質(zhì)，與鏡片在日常生活中所見到的各種光學(xué)現(xiàn)象相符合，主要為光線在鏡片表面的折射和反射、材料本身的吸收，以及散射和衍射現(xiàn)象。 </p> <p> （1）光線折射：通過鏡片的光線會在鏡片的前后表面發(fā)生折射或偏離現(xiàn)象，光線的偏離幅度由材料的折射率和入射光線在鏡片表面的入射角度決定。??1）折射率：透明媒質(zhì)的折射率是光線在真空中的速度c與在媒質(zhì)中的速度v的比值， </p> <p> n=c/v。該比值沒有單位并且總是大于1，寶安pc亞克力鏡片面板外殼。折射率反映媒質(zhì)的折射能力，折射率越高，寶安pc亞克力鏡片面板外殼，從空氣進(jìn)入該媒介的光束偏離得越多。從空氣到折射率為n的透明媒質(zhì)所發(fā)生的偏離或折射可以根據(jù)斯涅耳-笛卡爾定律(Snell-Descartes?Law)進(jìn)行計算，規(guī)定如下：折射光線與入射光線和法線位于同一平面入射角i和折射角r分別由法線與入射光線、折射光線構(gòu)成。計算公式：?sin?i=n?sin?r????由于透明媒質(zhì)的光速隨著波長而變化，寶安pc亞克力鏡片面板外殼，所以折射率的值總是參考某一特定波長 </p> <p> 表示：在歐洲和日本，參考波長為e線546.07nm(汞--綠光譜線)，但是在美國等其它 </p> <p> 國家則是d線587.56nm(氦--黃光譜線)。但這個區(qū)別并沒有造成實(shí)際影響，因?yàn)樗?</p> <p> 區(qū)別**反映在折射率值的第三位小數(shù)上。一般來說，亞克力標(biāo)牌，就是以亞克力板為主要材質(zhì)制作而成的標(biāo)示牌。寶安pc亞克力鏡片面板外殼</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寶安pc亞克力鏡片面板外殼,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914830664063/5730110.png"></div><p> 光學(xué)玻璃鏡片的分類之有色玻璃鏡片 </p> <p> 有色玻璃鏡片 </p> <p> 有色玻璃鏡片是在無色光學(xué)玻璃中加入一些具有特殊吸收性質(zhì)的金屬鹽后使玻璃呈現(xiàn)不同顏色，并對各種不同的單色光有選擇性地吸收或?yàn)V過。其目的主要是用來做遮光和各種防護(hù)目鏡，使眼睛不受有害射線以及風(fēng)沙、化學(xué)藥品、0氣體等的侵害，起到保護(hù)眼睛的作用。常見的有色玻璃鏡片有灰色、茶色、綠色、蘭色、紅色和黃色等 </p> <p> 茶色玻璃鏡片 </p> <p> 添加氧化錳、氧化鐵或氧化鎳等著色。具有吸收紫外線和防眩光的作用，視物層次分明、清晰，可做太陽鏡。 </p> <p> 蘭色玻璃鏡片 </p> <p> 添加氧化鈷、氧化鐵、氧化銅和氧化錳等著色。具有防眩光的作用，適合高溫爐前人員的護(hù)目鏡 </p> <p> 黃色玻璃鏡片 </p> <p> 添加硫化鎘、氧化鈰及氧化鈦著色。具有吸收紫外線的作用，且視物清晰、明亮，可適合司機(jī)在陰雨、霧天配戴 pmma鏡片面板外殼產(chǎn)品形狀尺寸可根客戶需求定制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寶安pc亞克力鏡片面板外殼,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914583476563/5668146.png"></div><p> 6．面板鏡片模鑄法：傳統(tǒng)漸進(jìn)片采用漸進(jìn)片坯料加工，前表面為漸進(jìn)面，后表面為球面或托力克面。自由曲面：采用CNC數(shù)控機(jī)床在鏡片表面直接磨削出復(fù)雜光學(xué)曲。采用單點(diǎn)磨削系統(tǒng)在鏡片表面直接磨削出復(fù)雜光學(xué)曲面的技術(shù)稱為自由曲面技術(shù)（Free-Form）高精度鉆石切割工具和特殊的特殊的, </p> <p> 鏡片的膜層結(jié)構(gòu)：頂膜，減反射膜，加硬膜：由于密度低，樹脂鏡片非常輕而且配戴非常舒適 </p> <p> ? 但卻有個缺點(diǎn)：由于表面較軟，易于擦傷。為了修正這個缺點(diǎn)，樹脂 </p> <p> 鏡片會被選擇使用加硬保護(hù)膜層 </p> <p> ?加硬膜層的優(yōu)點(diǎn)：能較長時間保持光學(xué)品質(zhì)和外觀 </p> <p> 加硬的方式：浸泡式，真空沉淀法 </p> <p> <br /> </p><p> 普通樹脂材料的鏡片特點(diǎn) </p> <p> 普通樹脂材料：（CR-39） </p> <p> 學(xué)名碳本酸丙烯乙酸，或稱烯丙基二甘醇酸脂（Dially?Glycol?Carbonates），是應(yīng)用*****的生產(chǎn)普通樹脂鏡片的材料。它于四十年代被美國哥倫比亞公司的化學(xué)家發(fā)現(xiàn)，是美國空軍所研制的一系列聚合物中的第39號材料，因此，被稱為CR-39（哥倫比亞樹脂第39號）。CR-39被用于生產(chǎn)眼用矯正鏡片是在1955~1960年，是***代的超輕、抗沖擊的樹脂鏡片。CR-39作為一種熱固性材料，單體呈液態(tài)，在加熱和加入催化劑的條件下聚合固化。聚合是一個化學(xué)反應(yīng)，即由幾個相同分子結(jié)構(gòu)的單體組成的一個新的聚合體分子，具有不同的長度和性質(zhì)。作為光學(xué)鏡片，CR-39材料性質(zhì)的參數(shù)十分適宜：折射率為1.5（接近普通玻璃鏡片）、密度1.32（幾乎是玻璃的一半）、阿貝數(shù)為58~59（只有很少的色射）、抗沖擊、高透光率，可以進(jìn)行染色和鍍膜處理。?它主要的缺點(diǎn)是耐磨性不及玻璃，需要鍍抗磨損膜處理。樹脂鏡片可采用模式壓法加工鏡片表面的曲率，因此很適用于非球面鏡片的生產(chǎn)。 1962年出現(xiàn)了代光致變色玻璃材料,此后性能不斷得到改良。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寶安pc亞克力鏡片面板外殼,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914549609375/9539423.png"></div><p> 天然水晶鏡片材料組成及特點(diǎn)。 </p> <p> 作為光學(xué)材料，水晶的比較大優(yōu)點(diǎn)是硬度大，制成的鏡片不易磨損。在本世紀(jì)20－30年代曾流行一時。因其制成的鏡片經(jīng)久耐用，又因其價格十分昂貴，常常留傳給下一代。 </p> <p> 在民間有：“水晶養(yǎng)目”之說。 </p> <p> 水晶的主要成分是SiO2，是一種天然透明礦物質(zhì)。 </p> <p> （1）水晶對紅外線、紫外線的吸收率差。 </p> <p> 對紫外線的吸收率*為14.5％，而玻璃對紫外線的吸收率是52％，目前加入UV材料的樹脂鏡片對紫外線的吸收率已高達(dá)到90％以上. </p> <p> （2）天然水晶常含有雜質(zhì)，密度不均勻，會出現(xiàn)氣泡和條紋而產(chǎn)生雙折射現(xiàn)象，從而影響視力。 </p> <p> 由此可見，水晶不但不具有養(yǎng)目的作用，其對紫外線的高透過率是對眼睛有害的。在科學(xué)技術(shù)飛速發(fā)展的***，新的光學(xué)材料樹脂制作的眼鏡片，無論其光學(xué)性能、安全性能、防止有害射線保護(hù)眼睛的性能都遠(yuǎn)遠(yuǎn)優(yōu)于水晶涼熱感：用舌尖輕輕舔鏡片，涼爽感較強(qiáng)是天然水晶，舔后涼即變溫的是仿造品。寶安pc亞克力鏡片面板外殼</p><p style="text-indent:25px">天然的水晶鏡片有瑕疵,那兩塊偏光鏡片夾住看的話就會看的到.寶安pc亞克力鏡片面板外殼</p><p> 光學(xué)鏡片的基本性能。 </p> <p> 主要包括光學(xué)性能、化學(xué)性能、熱性能和機(jī)械 </p> <p> 性能等。 </p> <p> （1）光學(xué)性能 </p> <p> 即折射率、透光率和色散系數(shù)等 </p> <p> A、折射率是決定鏡片屈光度的常數(shù)之一。 </p> <p> B、色散系數(shù)是衡量鏡片成像清晰度的重要指標(biāo) 。 </p> <p> C、透光率是視物清晰度的重要指標(biāo)，無色光學(xué)玻璃對可見光的透光率應(yīng)在92%以上。透光率越高，視物就越清晰。 </p> <p> （4）機(jī)械性能 </p> <p> 主要包括比重（密度）、硬度、表面張力和彈性系數(shù)等。 </p> <p> 比重和硬度在眼鏡玻璃中是極其重要的參數(shù)。一般光學(xué)玻璃的比重均比較大，比重和折射率有一定的關(guān)系。折射率越大，比重也就越大，鏡片的重量就增加。光學(xué)眼鏡片的表面要求有一定的硬度，硬度不*影響使用壽命，而且也直接影響鏡片的研磨加工質(zhì)量和速度。寶安pc亞克力鏡片面板外殼</p></p><br 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