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2GMn13类高锰钢铸件,由于韧性大,加工硬化现象严重,另外毛坯经高温水淬处理后产生变形及铸造缺陷、如夹砂、气孔和浇冒口切割后的残根等,容易造成加工时的冲击、振动,使用一般刀具时,磨损、崩刃和碎裂现象严重。为了提高刀具寿命,一种用圆形0°法向后角双面无断屑槽的刀片作成机夹车刀,车刀采用拉杆夹紧,在加工高锰钢铸件中收到了良好效果。
2GMn13 high manganese steel castings, due to toughness, work-hardening phenomenon is serious, the other rough by high temperature water quenching and deformation of the casting and casting defects, such as sand, stomata and stump after cutting the root, etc., likely to cause processing The impact of vibration, the use of general tools, wear, chipping and fragmentation serious. In order to improve the tool life, a circular 0 ° normal relief double-sided chipless slotted blade made of machine tool turning tool, lathe clamping rod used in the processing of high manganese steel castings received good results.