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1、第一章 金属切削中的基本知识切削运动cutting motion工件workpiece待加工表面workpiece surface to be cut (machined)加工表面cutting surface已加工表面machined surface主运动main motion进给运动feeding motion合成切削运动resultant cutting motion合成切削速度resultant cutting speed切削参数cutting parameters切削速度cutting speed进给feed进给速度feeding speed背吃刀量back engagement o
2、f the cutting edge前刀面rake face后刀面flank切削刃tool cutting edge刀尖tool nose (tip)参考系reference system基面tool reference plane工作基面working reference plane切削平面tool cutting edge plane工作切削平面working cutting edge plane主剖面main section plane工作主剖面working orthogonal plane法剖面normal section plane横向进给剖面transverse feed sec
3、tion plane纵向进给剖面（背平面）longitudinal section plane法剖面normal section plane切深剖面tool back plane工作切深剖面working back plane前角rake angle后角clearance angle （relief angle）工作后角working orthogonal clearance主偏角tool cutting edge angle工作主偏角working cutting edge angle副偏角minor cutting edge angle工作副偏角working minor cutting
4、edge angle刃倾角tool cutting edge inclination angle (inclined angle)工作刃倾角working cutting edge inclination angle楔角wedge angle刀尖角tool included edge angle主切削刃major cutting edge工作主切削刃working major cutting edge切削刃法剖面cutting edge normal plane切削刃工作法剖面working cutting edge normal plane副切削刃tool minor cutting edg
5、e工作副切削刃working minor cutting edge副切削刃的主剖面tool orthogonal plane of the minor cutting edge副切削刃的切削平面tool cutting edge plane of the minor cutting edge副切削刃的基面tool reference plane of the minor cutting edge切削层cutting layer切削厚度undeformed chip thickness( cutting layer thickness)切削宽度width of uncut chip (cutti
6、ng layer width)切削面积cross-sectional area of uncut chip刀尖钝圆半径corner radius正切削orthogonal cutting 斜切削oblique cutting 自由切削free cutting 非自由切削constrained cutting 刀具材料tool cutting material硬度hardness强度strength韧性toughness耐热性heat resistance工艺性forming property (特指成形性)经济性economy property高速钢high-speed steel硬质合金ca
7、rbide alloy涂层刀具coated tool陶瓷ceramics金刚石diamond立方氮化硼cubic boron nitride砂轮grinding wheel磨料abrasive material粒度grain size油酸 oleic acid松脂 turpentine酚醛树脂 phenolic resin虫胶 shellac树脂 resinoid粘结剂 bond material气孔 porosity第二章 金属切削过程中的基本规律及应用切削变形cutting deformation带状切屑ribbon chip挤裂切屑cracked chip单元切屑unit chip崩碎切
8、屑splintering chip相对滑移 relative slide变形系数deformation coefficient 剪切屈服点shear yielding point剪切角angle of the shear plane积屑瘤built-up edge切削合力resultant tool force轴向进给抗力axial thrust force径向切深抗力radial thrust force主切削力main cutting force水平分力thrust component of the result tool force切削扭矩cutting torque单位切削力speci
9、fic cutting force切削功率power required to perform the machining operation单位切削功率specific cutting power切削热heat in metal cutting导热系数thermal conductivity切削温度machining temperature刀具磨损tool wear正常磨损normal wear磨粒磨损abrasive wear粘结磨损adhesive wear扩散磨损diffusion wear相变磨损phrase change wear氧化磨损oxidized wear刀具耐用度tool
10、life月牙洼磨损深度crate depth经济耐用度tool life for the minimum production cost最大生产率耐用度tool life for the maximum production efficient换刀时间tool-changing time切削时间machining time工序工时operation time单位时间内的金属切除量metal-removal rate一定耐用度下的切削速度cutting speed giving a tool life of T辅助工时nonproductive time加工性machinability相对加工性
11、relative machinability切削液cutting fluid第三章 机械加工工艺基础知识技术条件specification生产过程manufacturing process 零件加工工艺process of a part工序operation走刀cutting pass安装set up工位operation position定位location定位元件location element圆柱支承钉cylindrical support post支承板support plate圆柱形定位销cylindrical location pin削角销rhombic pin定位心轴locati
12、on centeringV形块V-shaped block楔块wedge定位误差location error公差tolerance夹紧力clamping force夹紧力方向clamping direction夹紧力作用点clamping position轨迹法track machining method 成形法form machining method相切法tangential machining method展成法generating process method工艺规程process route工艺过程卡process sheet生产纲领production expectation基准重
13、合原则principle of coincident locating surfaces夹具fixture/jig千分尺micrometer基准面reference surface自由度degree of freedom加工余量allowance (material removal) 表面粗糙度surface roughness调质处理quality treatment废品率reject rates尺寸链dimensional chain封闭环resultant dimension组成环component dimension增环plus dimension减环minus dimension极值
14、法extremum method上偏差upper deviation下偏差lower deviation概率法probability method算术平均值average arithmetic value相对分布系数relative distribution coefficient时间定额time ration临界产量critical output投资回收期invest reclaim period第四章 回转体零件加工工艺与装备机床machine tool车床lathe铣床milling machine刨床planer牛头刨床shaping machine龙门刨床planing machine镗床boring machine钻床drilling machin
