cnc手機(jī)鏡片面板品質(zhì)保障深圳市佶利科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="鏡片普通玻璃材料與高折射率玻璃材料（1）普通玻璃材料（1。5和1。6）：折射率為1.523的冕牌玻璃是傳統(tǒng)光學(xué)鏡片的制造材料，其中60%~70%為二氧化硅，其余則由氧化鈣、鈉和硼等多種物質(zhì)混合。有時(shí)也將折射率為1.6的鏡片劃歸普通鏡片。（2"><meta name="keywords" content="cnc手機(jī)鏡片面板品質(zhì)保障,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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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ixu228j" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>cnc手機(jī)鏡片面板品質(zhì)保障,鏡片面板</p><p><span>***更新：</span>2021-02-04 05:06:37</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3nhy7z7" 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(hào)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="nrjb8ti" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oifxur8" class="box"><p><p> 鏡片普通玻璃材料與高折射率玻璃材料 </p> <p> （1）普通玻璃材料（1。5和1。6）：折射率為1.523的冕牌玻璃是傳統(tǒng)光學(xué)鏡片的制造材料，其中60%~70%為二氧化硅，其余則由氧化鈣、鈉和硼等多種物質(zhì)混合。有時(shí)也將折射率為1.6的鏡片劃歸普通鏡片。 </p> <p> （2）高折射率玻璃材料：經(jīng)過多年的研究，鏡片制造商已經(jīng)找到了在提高材料折射率的同時(shí)又保持低色散的方法，即在玻璃中加入新的化學(xué)元素。????早在1975年就生產(chǎn)出了含鈦元素的鏡片，折射率為1.7，阿貝數(shù)為41；15年之后又生產(chǎn)出了含鑭元素的鏡片，折射率為1.8，cnc手機(jī)鏡片面板品質(zhì)保障，阿貝數(shù)為34；1995年出現(xiàn)折射率為1.9的材料，加入了元素鈮，阿貝數(shù)為30，這是目前折射率比較高的鏡片材料。雖然采用這些材料所制造的鏡片越來越薄，然而卻沒有減少鏡片的另一重要參數(shù)：重量。實(shí)際上，隨著折射率的增加，材料的比重也隨之增加，這樣就抵消了因?yàn)殓R片變薄而帶來的重量上的減輕，cnc手機(jī)鏡片面板品質(zhì)保障，cnc手機(jī)鏡片面板品質(zhì)保障。無彈性：斷裂、伸拉彈性為零，容易遇到突發(fā)性外力發(fā)生粉碎性破碎，容易對眼睛造成意外傷害。cnc手機(jī)鏡片面板品質(zhì)保障</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="cnc手機(jī)鏡片面板品質(zhì)保障,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914583476563/5668146.png"></div><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。 cnc手機(jī)鏡片面板品質(zhì)保障是由聚碳酸酯（Polycarbonate）和聚丙烯1腈（ABS）合金而成的熱可塑性塑膠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="cnc手機(jī)鏡片面板品質(zhì)保障,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914477246094/1845224.png"></div><p> 鏡片面板 </p> <p> 1.鏡片材料的歷史 </p> <p> 1.歷史： </p> <p> 1636年～1940年玻璃是生產(chǎn)鏡片的主要材料 </p> <p> 1975年折射率為1.7的玻璃鏡片 </p> <p> 1983年折射率為1.6的玻璃鏡片 </p> <p> 1990年折射率為1.8的玻璃鏡片 </p> <p> 1995年折射率為1.9的玻璃鏡片 </p> <p> 1957年 </p> <p> <br /> </p> <p> 2.美國GE（通用電氣）公司率先發(fā)展了PC（聚碳酸酯）塑料，并稱之為Lexan。德國Bayer（拜爾）公司緊隨其后發(fā)展了他們的PC塑料Makrolen。1960年代 </p> <p> 二次世紀(jì)大戰(zhàn)結(jié)束。PPG把原***CR-39樹脂材料轉(zhuǎn)為民用，制造鏡片。 </p> <p> <br /> </p> <p> 1970年代 </p> <p> 70年代初，病患開始接受CR-39鏡片。 </p> <p> 1973年 </p> <p> 玻璃鏡片占85%，CR-39鏡片占15%。 </p> <p> 1978年 </p> <p> 美國Gentex公司借助**航天項(xiàng)目的優(yōu)勢首先用PC制造安全鏡片。 </p> <p> 1979年 </p> <p> 在發(fā)達(dá)國家中，鏡片材料由玻璃向CR-39樹脂轉(zhuǎn)型。結(jié)束了玻璃鏡片接近600年的統(tǒng)治地位。 </p> <p> 1985年 </p> <p> 美國Vision-Ease鏡片公司率先推出PC***鏡片。 </p> <p> 1991年 </p> <p> 美國Transitions（全視線）公司，推出***代變色樹脂鏡片。 </p> <p> 1994年 </p> <p> PC鏡片在美國市場的份額為10%。 </p> <p> 1995年 </p> <p> 偏光PC鏡片誕生。 </p> <p> 2002 年 </p> <p> PC鏡片在美國市場的份額為35%，玻璃鏡片*占不到3% </p><p> 5.樹脂鏡片的制造流程。 </p> <p> 注模聚合分離固化毛坯退火成品或半成 </p> <p> <br /> </p> <p> 1.注模：將液態(tài)單體+UV吸收劑+添加劑注入模具、2，聚合 3，分離固化毛坯：去除密封圈 </p> <p> } 將固化毛坯取出。4.退火：熱處理，減少內(nèi)應(yīng)力。5成品或半成 </p> <p> 高折射率樹脂鏡片的制造也使用壓鑄模具法制造 </p> <p> 折射率折射率 1.60 、 1.665 與低折射率材料制造不同點(diǎn)：單體不同，化學(xué)反應(yīng)方式不同（加聚作用），生產(chǎn)時(shí)間很長（48小時(shí)以上） </p> <p> CR 39 高折射率樹脂鏡片 </p> <p> 折射率 1.501 1.600； 1.665 </p> <p> 固化方式聚合反應(yīng) 加聚反應(yīng) </p> <p> 固化方法水槽中聚合 1、冷卻 2、空氣循環(huán)爐中加聚 </p> <p> 溫度 30°～100° 10°～120° </p> <p> 生產(chǎn)時(shí)間約24小時(shí) 約48小時(shí) </p> <p> 材料收縮約14% 約9% 在沒有光線條件下，氯化銀呈離子態(tài)，因銀離子是透明的，所以鏡片也是透明的；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="cnc手機(jī)鏡片面板品質(zhì)保障,鏡片面板" src="https://tyunfile.71360.com/UploadFile/JLKJ2020/637285914549609375/9539423.png"></div><p> 光學(xué)玻璃鏡片的分類。 </p> <p> 無色玻璃鏡片 </p> <p> 托力克片（Toric）：也稱白托片，白片?？煞譃槠胀ê凸鈱W(xué)白片兩種。普通白片的主要組成為鈉鈣硅酸鹽，折射率為1.51，可見光的透光率為89%以上，可吸收280nm以下的紫外線。光學(xué)白片的主要組成為鈉鈣硅酸，折射率為1.531，阿貝數(shù)60.5，透光率在91%以上，防紫外線性能**差。 </p> <p> 克羅克斯鏡片（Crookes） </p> <p> 由英國人威廉.克羅克斯于1914年發(fā)明，故命名為克羅克斯鏡片，簡稱克斯片。克斯片分為普通和光學(xué)克斯片兩種。普通克斯片簡稱光克片，是在鋇冕玻璃成分中添加微量 </p> <p> 的氧化鈰、氧化釹和氧化鐠等物質(zhì)，使鏡片有明顯的雙色效應(yīng)，即在白熾燈光下呈淺紫紅色，在日光燈下呈淺青蘭色，能吸收340nm以下的紫外線，折射率為1.523，透光率為87%以上。 </p> <p> 光致變色鏡片 </p> <p> 簡稱變**。是在無色或有色光學(xué)玻璃成分中添加鹵化銀等化合物，使鏡片能在紫外線照射時(shí)分解成銀和鹵素原子，鏡片顏色由淺變深。反之，當(dāng)光線變暗時(shí)，銀和鹵素重新又結(jié)合成無色的鹵化銀，使鏡片又回到原來無色或有基色的狀態(tài)。變色鏡片有茶變和灰變兩種，其特點(diǎn)是既可矯正視力，又可作為太陽眼鏡，適合野外配戴化學(xué)和物理特性: PC/ABS具有PC和ABS兩者的綜合特性。cnc手機(jī)鏡片面板品質(zhì)保障</p><p style="text-indent:25px">做眼鏡的叫"霞"還有天然的是有一定的彎度的 .cnc手機(jī)鏡片面板品質(zhì)保障</p><p> 光學(xué)鏡片玻璃概述。 </p> <p> 玻璃鏡片，具有比其它材質(zhì)的鏡片更耐刮的特性，但相對的其重量也較沉，其折射率相對高：普通片為1.523，超薄片為：1.72以上，比較高可達(dá)2.0。 </p> <p> 玻璃鏡片的主要原料是光學(xué)玻璃。其折射率比樹脂鏡片高，因此在同樣度數(shù)情況下，玻璃鏡片要比樹脂鏡片薄。玻璃鏡片的透光率和機(jī)械化學(xué)性能都比較好，有恒定的折射率、理化性能穩(wěn)定。沒有顏色的鏡片稱光學(xué)白托（白片），有**中的粉紅片稱克羅克賽鏡片（紅片）。克羅克賽鏡片能吸收紫外線、對強(qiáng)光略有吸收作用。 </p> <p> 主要材料是由氧化物，如：二氧化硅、三氧化硼、五氧化磷、氧化鈉、氧化鉀、氧化鈣、氧化鋇、氧化鎂、氧化鋅、氧化鋁等組合而成。是非常特殊的不定型材料，在常溫下呈固體，堅(jiān)硬但易碎，在高溫下具有粘性 </p> <p> 它沒有固定的化學(xué)結(jié)構(gòu)，因而沒有確切的熔點(diǎn)。隨著溫度的上升，玻璃材料會(huì)變軟、粘性增加，并逐漸由固體變?yōu)橐后w，這種逐漸變化的特性我們稱之為“玻璃狀態(tài)“。這一特性意味著玻璃在高溫時(shí)可以被加工和鑄型。玻璃材料制成的鏡片具有良好的透光性、表面拋光后更加透明的優(yōu)點(diǎn)， cnc手機(jī)鏡片面板品質(zhì)保障</p></p><br /><p>文章來源地址: 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