美暢股份(300861.SZ)：異形切割與單向切割系金剛石線新應用領域 現已取得階段性技術突破
格隆匯 11 月 4日丨美暢股份(300861.SZ)公佈，公司作為全球金剛石線鋸的主要生產商，一直致力於探索鋸的進化。按照公司年度研究計劃，今年正全力開展“異形切割”“單向切割”在內的四種新技術研發，有關“異形切割”“單向切割”研發進展如下：
異形切割與單向切割系金剛石線新應用領域，國內外尚無相關技術可以參考，需要與潛在用户一起進行試驗研究，包含設備切割效率、切割質量、設備成本及可靠性等等。現已取得了階段性技術突破：
1、開發了環形鋼絲繩的編織設備及工裝，可以將一根或多根鋼絲按設定長度反覆纏繞，形成環形鋼絲繩。該編織設備可以大幅度減少人工成本，提高環形金剛石線母線的製備效率；
2、開發立式金剛石線上砂設備，保證了大顆粒金剛石顆粒的穩定快速上砂，對環形金剛石線的生產奠定了基礎；
3、開發了能夠進行跨度超過1.5米的多線環形金剛石線切割設備，解決了多根環形金剛石線高速運行時的匹配問題，以及環形金剛石線磨損或斷線需要更換時，不與其他環形金剛石線相互影響快速更換的方案，使多線環形金剛石線切割成為優選方案。
目前市場上的金剛石線多為長線，每卷幾十上百千米，適於往復切割，切割設備運行時需要電機來回轉向，所需功率較大，線痕較大，線速度相對較慢(一般小於30米/秒)，電機轉速需要精密控制，另外需要收放線系統，造成設備能耗高，價格高。而環形金剛石線，一般只有數米長，這種金剛石線環繞在一起，形成閉環，使用時可以使金剛石線只向一個方向運動，以得到較高的線速度(一般大於50米/秒)，切割平整度更高，切割過程不需要換向，切割設備控制要求低，功率小，切割設備價格可能只有長線切割類似設備的20%。目前公司已針對半導體、貴重石材、建材、陶瓷等材料切割推出單向切割技術與異形切割技術，並開發了不同類型的金剛石線切割設備。
近日，公司與山東泰聯達新材料科技有限公司簽訂了一套用於聚苯顆粒保温板多線程單向切割的金剛石線切割生產線及一套用於聚苯顆粒保温板異形切割的金剛石線異形切割機銷售合同，同時還向該公司銷售自產的環形金剛石線，計劃將於本月完成交付。
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