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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zt2vczl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/sygq/637260119377978516/6601786.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ga4prda" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海鋼琴質(zhì)量排行表</p><p><span>***更新：</span>2020-06-25 12:18:23</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="mqa8xug" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">舒意鋼琴（上海）有限公司</a></p><p><span>聯(lián)系人：</span>安淳光</p><p><span>郵箱: </span>shanghaicando@126.com</p><p><span>電話: </span>13671580899</p><p><span>傳真: </span>021_57563365</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-57569852</p><p><span>地址: </span>上海市松江區(qū)淶亭南路125號(hào)虹橋自貿(mào)城A幢608室</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="2e3li3c" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jixeqf3" class="box"><p><p style="text-indent:25px">鋼琴的擊弦機(jī)：鋼琴是西洋古典樂(lè)器中的一種鍵盤(pán)樂(lè)器，并有著8000多個(gè)零部件。其中擊弦機(jī)就是鋼琴的主要零部件之一。鋼琴的擊弦機(jī)是由鐵架、主梁、枕梁，上海鋼琴質(zhì)量排行表、調(diào)節(jié)器和驅(qū)動(dòng)器、轉(zhuǎn)擊器、止音器等多個(gè)零件構(gòu)造而成。琴鍵擊發(fā)琴弦震動(dòng)就是靠這個(gè)部位的，也就是說(shuō)想要鋼琴發(fā)聲就必須靠這個(gè)“擊弦機(jī)”。鋼琴發(fā)聲的原理是由彈奏著觸動(dòng)琴鍵，琴鍵進(jìn)而頂起擊弦機(jī)，使得琴槌敲擊琴弦列，**終發(fā)出聲音，我們聽(tīng)到的鋼琴聲就是這樣來(lái)的。另外目前市面上使用的鋼琴擊弦機(jī)的用料里有實(shí)木，塑料等材質(zhì)生產(chǎn)的擊弦機(jī)。一般歐美國(guó)家生產(chǎn)的鋼琴所使用的擊弦機(jī)都會(huì)使用以實(shí)木為主的材料生產(chǎn)鋼琴。但是部分日本及國(guó)內(nèi)一些廠家會(huì)使用塑料等材質(zhì)生產(chǎn)的擊弦機(jī)。其中塑料作為一種高分子化合物，在穩(wěn)定性上會(huì)有一些優(yōu)勢(shì)。但是作為鋼琴來(lái)說(shuō)，純實(shí)木的擊弦機(jī)優(yōu)勢(shì)遠(yuǎn)大于塑料的。況且在用實(shí)木生產(chǎn)過(guò)程中，上海鋼琴質(zhì)量排行表，上海鋼琴質(zhì)量排行表，正規(guī)廠家都會(huì)非常注重自然風(fēng)干的時(shí)間及恒溫恒濕管控等工藝。經(jīng)過(guò)技術(shù)處理以后的純實(shí)木的擊弦機(jī)在穩(wěn)定性上就不輸塑料用材的擊弦機(jī)了。目前舒意鋼琴（上海）有限公司所生產(chǎn)的意大利舒爾茨波爾曼鋼琴，英國(guó)查倫鋼琴，英國(guó)威頓鋼琴等都是采用實(shí)木材料生產(chǎn)的擊弦機(jī)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼琴質(zhì)量排行表" src="https://tyunfile.71360.com/UploadFile/sygq/637260119377978516/6601786.jpg"></div><p style="text-indent:25px">鋼琴弦軸板：弦軸板一般很少被看到，因?yàn)樗挥阡撉偾安康蔫T鐵板上面，弦軸板為木質(zhì)，它的主要作用是用于固定弦軸釘，同時(shí)擔(dān)負(fù)起弦軸釘和鑄鐵板的承受力。弦軸板對(duì)于一臺(tái)鋼琴至關(guān)重要，鋼琴要達(dá)到音準(zhǔn)并長(zhǎng)時(shí)間保持，需要弦軸板提供好的握釘力，同時(shí)還要提供調(diào)音的便捷。更重要的是弦軸板還擔(dān)負(fù)起傳遞聲音的作用。查倫鋼琴的弦軸板采用7層紅櫸壓制而成，每層櫸木相互成45度夾角，將弦軸釘環(huán)繞包握，使得弦軸板提供了優(yōu)良持久的握釘力，有效提升音準(zhǔn)保持更久和較高的調(diào)音穩(wěn)定性和耐久性的效果。且山毛櫸對(duì)于聲音的傳導(dǎo)性優(yōu)良，增加了鋼琴的共鳴音色。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼琴質(zhì)量排行表" src="https://tyunfile.71360.com/UploadFile/sygq/637260119380664063/8836448.jpg"></div><p style="text-indent:25px">鋼琴琴弦長(zhǎng)度原理：一般來(lái)說(shuō)，弦的長(zhǎng)度在很大部分上會(huì)決定其音高，較長(zhǎng)的弦擁有較低的音，反之亦然。因此，為了保持既有大的音量，又有好的音質(zhì)，琴弦必然盡可能地長(zhǎng)。查倫鋼琴的中高音及低音琴弦就比其他品牌的琴弦普遍要長(zhǎng)一些。下弦枕采用三角琴倍音輔助弦長(zhǎng)結(jié)構(gòu)設(shè)計(jì)，使弦碼受力均衡，能更好的改善傳導(dǎo)性。而且根據(jù)有效弦長(zhǎng)和輔助弦長(zhǎng)倍頻諧振原理，聲音層次更豐富，更有表現(xiàn)力。跟弦長(zhǎng)的原理類似，琴弦的張力越大，所發(fā)出的聲音品質(zhì)越好、音量越大。所以為了保持鋼琴發(fā)音的穩(wěn)定性和盡量增加琴弦的張力，并且使得琴體能夠支撐所有琴弦的張力，大部分鋼琴制造者在設(shè)計(jì)時(shí)，會(huì)盡可能的保持琴弦張力的統(tǒng)一。琴弦的粗細(xì)和密度這兩個(gè)因素是密不可分的。較粗的弦振動(dòng)頻率就低，音高也低，反之亦然。因此，我們能夠看到，鋼琴中使用的琴弦也隨音高由高到低，由細(xì)漸粗。但琴弦變粗后，弦體本身也會(huì)變僵硬，造成聲音品質(zhì)下降。為了克服這些不足，一些琴弦制造商在琴弦上纏繞了銅絲，既增加了琴弦的密度，又有效降低了音高，同時(shí)還沒(méi)有降低聲音的品質(zhì)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/386230.html</p></div></div></div></div></div><div id="8srifrt" class="page-right twoColRt"><div id="k2l8ik3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gvpmoqc" class="recomPic likePro"><a 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