02/60 第四章 切削加工工艺基础 切削加工(cutting)是用刀具从毛坯 (或型材)上切除多余的材料，以便 获得形状、尺寸、精度和表面质量 castings 等都符合要求的零件的加工方法。 cutting tools Machining(机械加工)is a term that forgings covers a large collection of parts manufacturing processes designed to remove unwanted material,usually in the form of chips,from a workpiece. drawings blocks Machining is used to convert castings. forgings,or preformed blocks of metal into desired shapes,with size and finish specified to fulfill design requirements. ASM Handbook Volume 16,9th Edition,page 12❖种类： ✓机加工(machining) ：通过工 人操纵机床来完成切削加工。 车、铣、刨、磨、齿轮加工等 ✓钳加工(bench work) ：通过工 人手持工具进行切削加工。划 线、錾切、锯、锉、刮、研、 钻孔和绞孔、攻丝、套扣等 Machining (机械加工)is a term that covers a large collection of manufacturing processes designed to remove unwanted material, usually in the form of chips, from a workpiece. Machining is used to convert castings, forgings, or preformed blocks of metal into desired shapes, with size and finish specified to fulfill design requirements.. — ASM Handbook Volume 16, 9th Edition, page 12 第四章 切削加工工艺基础 ❖切削加工(cutting)是用刀具从毛坯 (或型材)上切除多余的材料，以便 获得形状、尺寸、精度和表面质量 等都符合要求的零件的加工方法。 blocks castings forgings parts cutting tools drawings 02 /60