第一节 金属的切削过程 第二节 切削力与切削功率 第三节 切削热与切削温度 第四节 刀具的磨损及使用寿命 第五节 刀具合理几何参数的选择 第六节 工件材料的切削加工性

案例一 买入股指期货套期保值 案例二 外汇期货的套利策略 案例三 远期利率协议——上海资浩国际贸易有限公司的美元借款风险 案例四 货币互换中比较优势的运用 案例五 F集团在股权分置改革中发行认股权证

一、概念区别: 1、成本或费用: 2、费用:生产经营活动的各项耗费 3、成本:为生产商品或提供服务而发生的各项费用 4、技术经济分析中不加区分

一、实验概述. 2 二、中央主控小组实验指导书. 4 三、车削加工小组实验指导书. 11 四、铣削加工小组实验指导书. 14 五、物流小组实验指导书. 17 六、测量部分实验指导书. 20 七、机器人编程实验指导书. 22

Surface quality is another aspect of machining accuracy. It consists of the surface finish and the physic mechanical state of the surface layer. It affects the proper functioning and service life of the parts Surface Finish Machining accuracy is expressed quantitatively in machining error. Surface finish is expressed quantitatively in surface roughness. The surface roughness on a machined workpiece surface is caused primarily by the geometrical factors(cutting tool geometry and cutting

一、名词解释(6题共30分,每题5分) (1).晶体:原子在空间呈有规则的周期性的重复排列。 (2).硬度:材料在表面上的小体积内抵抗变形或破裂的能力。 (3).疲劳强度:材料抵抗交变应力作用下断裂破坏的能力

The manufacturing(or production) process of a factory, in a broad sense, is the sum total of separate processes involved in the conversion of sum total raw materials or semi-finished products into final as far as products. AS far as a factory is concerned, its blank products can be blanks, finished parts

第一章作业及习题 1、为什么说材料是人类社会进步的里程碑? 2、进入21世纪有哪些新技术是迅猛发展的热点,主要在那些方面?

1 概述 2 高速公路通行能力 3 一般公路通行能力 4 无信号控制交叉口通行能力 5 信号控制交叉口通行能力

Action Of a Pair Of Mating Involute Teeth Let a and b be the base circles of a pair of mating involute gears. Line CD is a common tangent to the base circles. while b is the line of centers assume that CD is part of a string being unwound from A and wound upon B, while A and B rotate together in such a manner that string CD remains taut at all times. When A and B start to rotate, point C on the string will leave