ＧＸ30 0 0系列硬质合金立铣刀是日本ＯＳＧ公司开发的收缩式专用硬质合金立铣刀。所谓收缩是利用金属的热膨胀特性进行夹紧。这种刀具和收缩式弹簧夹头组合 ,在立壁铣削加工中获得了较高的加工精度 ;和整体硬质合金立铣刀比较 ,其价格大幅度下降 ,成本低 ,主要规格有ＧＸ涂层 GX30 0 0 series cemented carbide end mill is Japan’s Japanese company OSG contracted Cemented Carbide End Mill. The so-called contraction is the use of metal thermal expansion characteristics of the clamp. This combination of tool and retractable collet achieves high machining accuracy in vertical wall milling. Compared with solid carbide end mills, its price is greatly reduced and its cost is low. The main specifications are GX coating