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在美国,目前流行使用两种高效磨削刀具的新型砂轮。它们是美国通用电气公司(GE)为工具车间研制的一种用以高效高精度磨削淬硬合金钢和工具钢等刀具材料的Borazan 520砂轮和Norton公司新研制出一种牌号为Aztec007的树脂结合剂CBN砂轮。GE公司520砂轮是采用机械粘结和化学涂复工艺将CBN磨粒粘结在金属基体上。经磨削实践证明,在不增加比能的条件下,此种砂轮比普通CBN砂轮提高45～60％的磨削比。Norton公司的新型树脂结合剂CBN砂轮最大特
In the United States, there are currently two new types of grinding wheels that use efficient grinding tools. They are the United States General Electric (GE) for the tool shop to develop a tool for efficient and high precision grinding hardened alloy steel and tool steel Borazan 520 grinding wheel and Norton has developed a new grade of resin Aztec007 Bonding agent CBN grinding wheel. GE 520 wheel is the use of mechanical bonding and chemical coating process of CBN abrasive particles bonded to the metal substrate. Grinding practice proved that, without increasing the specific energy conditions, this kind of grinding wheel than ordinary CBN grinding wheel to improve 45 ~ 60% grinding ratio. Norton’s new resin bond CBN grinding wheel most special