【正文】
Machining 電解加工 EBM=Electron beam machining 電子束加工 EDM=Electrical Discharge Machining 電火花加工 EGM= enhanced graphics module 增強(qiáng)型圖形模組 FA=factory automation 工廠自動(dòng)化 FDM=Fused Deposition Modelling 熔融沉積成型 FEA=Finite element analysis 有限元分析 FMC=flexible manufacturing ponent 柔性制造單元 FMS=Flexible Manufacturing System 柔性制造系統(tǒng) Finiteelement 有限元 Fourbar linkage 四連桿機(jī)構(gòu) GNC=graphical numerical control 圖形數(shù)控 GT=Grease Trap 潤(rùn)滑脂分離器 HPM=hardpart machining 硬態(tài)切削 HSS=HighSpeedSteel 高速鋼 IGES=initial graphic exchange specification 初始圖形交換規(guī)則 ISO=International Standardization Organization 國(guó)際標(biāo)準(zhǔn)組織 IT=International Tolerance(grade)國(guó)際公差 JIT=Just in Time 準(zhǔn)時(shí)生產(chǎn) LBM=Laser beam machining 激光切削加工 LED=lightemitting diode 發(fā)光二級(jí)管 LMC=least material condition 最小實(shí)體狀態(tài) LOM=Laminated Object Manufacturing 疊層實(shí)體制造技術(shù) MMC=maximum material condition 最大實(shí)體狀態(tài) MATL=material 材料 MC=machining center 加工中心 NC=Numerical Control 數(shù)字控制 NMP=Nontraditional Manufacturing Processes 特種加工技術(shù) PCB=printed circuit boards 印刷電路板 PLC=Programmable Logic Controller PLC 控制 PKW=parallel kinematics machine 并聯(lián)機(jī)床 QTY=quantity required 需求數(shù)量 RGV=rail guided vehicle 有軌自動(dòng)導(dǎo)引小車 RPM=Rapid Prototype Manufacturing 快速成型技術(shù) SL= Stereo Lithography 光固化成型 SLA=Stereo Lithography Apparatus 立體印刷技術(shù) /光固化立體造型 SLS=Selective Laser Sintering 選擇性激光燒結(jié) USM=Ultrasonic Machining 超聲波加工 VNC=voice numerical control 聲音控制 WEDM=Wirecut Electrical Discharge Machining 電火花線切割加工 WJM/C=waterjet machining/cutting 水射流切削 3D PRINT 3D 打印 (英文版 ) Two regulations promulgated for implementation is in the party in power for a long time and the rule of law conditions, the implementation of prehensive strictly strategic plan, implementation in accordance with the rules and discipline to manage the party, strengthen innerparty supervision of major initiatives. The two regulations supporting each other, the code adhere to a positive advocate, focusing on morality is of Party members and Party leading cadres can see, enough to get a high standard。 the fourth part on how to grasp the implementation of the two regulations of the party. code and Regulations revised the necessity and revised history of the CPC Central Committee the amendment to the Chinese Communist Party members and leading cadres honest politics several guidelines and Chinese Communist Party discipline and Punishment Regulations column 1 by 2020 to strengthen party laws and regulations focus. Two party regulations revision work lasted a Years, pooling the wisdom of the whole party, ideological consensus, draw historical experience, respect for the wisdom of our predecessors, which reflects the unity of inheritance and innovation。s eighteen years prehensive strictly practice. (a) revised two regulations of th。s leadership, to solve the masses of the people reflect a focus on the problem. The new revision of the code and rule , reflects the party39。 the second part is the interpretation of the two fundamental principles of the revision of laws and regulations in the party。由于使用非圓齒輪,非線性角速比也是很有用的。齒輪從一根回轉(zhuǎn)軸到另一回轉(zhuǎn)軸傳遞運(yùn)動(dòng)或傳遞運(yùn)動(dòng)到一傳動(dòng)齒條。 2.尺寸綜合。這樣運(yùn)動(dòng)綜合涉及到為給定性能的機(jī)構(gòu)的系統(tǒng)設(shè)計(jì)。敘述運(yùn)動(dòng)分析的任務(wù)包含機(jī)構(gòu)的主要尺寸、構(gòu)件間的相互連結(jié)和輸入運(yùn)動(dòng)的技術(shù)特性或驅(qū)動(dòng)方法。當(dāng)考慮受力時(shí),要提出動(dòng)力學(xué)方面的問(wèn)題,軸承的荷載、應(yīng)力、潤(rùn)滑等類似的問(wèn)題,而較大的問(wèn)題是機(jī)器結(jié)構(gòu)問(wèn)題。一 個(gè)決定性因素的值(它含有對(duì)于某個(gè)給定機(jī)構(gòu)圖形,位置的輸出運(yùn)動(dòng)變量對(duì)輸入變量的導(dǎo)數(shù))是該連桿機(jī)構(gòu)在具體位置中的可動(dòng)性的一個(gè)尺度。 可發(fā)生在特殊位置上。雖然最終的輸出力或扭矩不僅是連桿幾何圖形的函數(shù),而且一般也是動(dòng)力或慣性力的結(jié)果,那常常是大到如靜態(tài)力的幾倍。 ) 4. Besides having knowledge of the extent of the rotations of the links, it would be useful to have a measure of how well a mechanism might run before actually building it. Hartenberg mentions that run is a term that means effectiveness with which motion is imparted to the output link。 并連續(xù)轉(zhuǎn)動(dòng),而輸出構(gòu)件僅僅作搖動(dòng)(即搖擺的桿件)。它們?cè)跈C(jī)構(gòu)學(xué)研究中將受到更多的關(guān)注。連桿機(jī)構(gòu)是由通常被認(rèn)為是剛體構(gòu)件或桿組成的,它們是以銷軸鉸接的,例如用柱銷(圓形的)或棱柱體銷軸鉸接,以便成形開(kāi)式或閉式(回環(huán)式)的運(yùn)動(dòng)鏈。如果構(gòu)件中的某一構(gòu)件被固定而使任何其他一個(gè)構(gòu)件運(yùn)動(dòng)到新的位置將會(huì)引起其他各個(gè)構(gòu)件也運(yùn)動(dòng)到確定的預(yù)期的位置上的話,該系統(tǒng)裝置就是一個(gè)可約束的運(yùn)動(dòng)鏈。 22. Tracer milling is characterized by coordinated or synchronized movements of either the paths of the cutter and tracing elements, or the paths of the workpiece and model. 仿形銑床的特點(diǎn)是刀具和跟蹤元件的軌跡運(yùn)動(dòng)的協(xié)調(diào)或同步,或者是工件和模型的軌跡運(yùn)動(dòng)的協(xié)調(diào)或同步。 18. The important difference between the two is that area contact exists between the teeth of doubleenveloping gears while only line contact between those of singleenveloping gears. 這兩者之間的重要區(qū)別是:在雙包圍蝸輪組的輪齒間有面接觸,而在單包圍蝸輪組的輪齒間只有線接觸。 14. Machines using basically the singlepoint cutting tools include: (1) engine lathes, (2) turret lathes, (3) tracing and duplicating lathes, (4) singlespindle automatic lathes, (5) multispindle automatic lathes, (6) shapers and planers, (7) boring machines. 使用單刃切 削刀具的機(jī)床主要包括: (1)普通車床, (2)六角車床, (3)仿形車床, (4)單軸自動(dòng)車床, (5)多軸自動(dòng)車床, (6)牛頭刨床和龍門刨床 , (7)鏜床。 7. Methods of joining parts are extremely important in the engineering of a quality design, and it is necessary to have a thorough understanding of the performance of fasteners and joints under all conditions of use and design. 在質(zhì)量設(shè)計(jì)工程中,聯(lián)結(jié)零部件的方法非常重要,因此,徹底了解緊固零件和聯(lián)結(jié)零件在所有使用和設(shè)計(jì)條件下的性能是非常必要的。一個(gè)典型的例子將要求一個(gè)含有上升一停歇一返回和可能另一個(gè)停歇的周期,每階段經(jīng)過(guò)一個(gè)指定的角度,伴隨著一個(gè)所要求的從動(dòng)件的位移,這個(gè)位移以厘米或度來(lái)度量。 ) 5. Kinematic inversion is the process of fixing different links of a chain to create different mechanisms.(這個(gè)過(guò)程的動(dòng)態(tài)反演是固定的 ,不同的連接創(chuàng)造出不同的機(jī)制 。 ) 2. Although the fourbar linkage and slidercrank mechanism are very useful and found in thousands of applications, we can see that these linkages have limited performance level.( 雖然四桿機(jī)構(gòu)和曲柄滑塊機(jī)構(gòu)是非常有用而且在成千上萬(wàn)的應(yīng)用中都可找到。 41. the external tensile load 外部拉伸載荷 42. the external shear load 外部剪切負(fù)荷 43. The singlerow deepgroove bearing 單列深溝軸承 44. The angularcontact bearing 角接觸軸承 45. the selfaligning bearings 自動(dòng)調(diào)心軸承 46. the straight roller bearings 直滾子軸承 47. the sphericalroller thrust bearing 球形輥止推軸承 48. the tapered roller bearings 圓錐滾子軸承 49. the condition of statical equilibrium 淺析條件下平衡 50. the positivecontact clutche