【正文】
),國外的AlphaCAM。 曲面加工的刀具軌跡生成是實現(xiàn)曲面數(shù)控加工的關(guān)鍵環(huán)節(jié)。至尺寸孔兩端倒角軟爪夾Ф140mm外圓6精車車Фmm至尺寸Ф140mm孔心軸7攻絲攻螺紋M803mmФ140mm外圓及端面8檢查粗車外圓時,可采取同時加工五件的方法來提高生產(chǎn)率。9) 填寫工藝文件。5) 確定各工序的加工余量,計算工序尺寸及公差。制訂工藝規(guī)程的步驟1) 計算年生產(chǎn)綱領(lǐng),確定生產(chǎn)類型。作業(yè)后,必須切斷電源,卸下刀具,將各部手柄放在空檔位置,鎖好電閘箱。各機件在加工過程中,嚴(yán)格執(zhí)行工藝紀(jì)律,看清圖紙,看清各部分控制點、粗糙度和有關(guān)部位的技術(shù)要求,并確定好制作件加工工序。不準(zhǔn)用手清除鐵屑,應(yīng)使用專門工具清掃。各類機床照明應(yīng)用安全電壓、電壓不得大于36伏。四、實施步驟凡從事各種機械的操作人員,必須經(jīng)過安全技術(shù)培訓(xùn),考試合格后,方可上崗作業(yè)。為了保證生產(chǎn)的順利進行,一般的企業(yè)都設(shè)用機加工車間,主要負責(zé)生產(chǎn)設(shè)備的維修。加工工藝機加工車間可采用CAD/CAM(計算機輔助設(shè)計計算機輔助制造)系統(tǒng)對數(shù)控機床自動編程。 數(shù)控加工(CNC)是指機械工人運用數(shù)控設(shè)備來進行加工,這些數(shù)控設(shè)備包括加工中心、車銑中心、電火花切割設(shè)備、螺紋切削機等。包含了平面、倒角、圓柱面槽、鉆孔、鏜、切孔、攻螺紋。綜上所述采取以下幾點工藝措施:,故編程時不必要采用平均值,而全部取基本尺寸即可。倒角245176。(一)軸承套加工工藝分析加工如前面所訴二維圖圖1所示的軸承套,材料為45號鋼,每批數(shù)量為200件。SolidWorks絕對是機械3D建模的利器。SolidWorks還提供了功能強大的全相關(guān)的鈑金設(shè)計和模具設(shè)計能力,以及開放的二次開發(fā)工具。因其強大的功能、易用性和創(chuàng)新性,在于同類軟件的競爭中逐步確立了市場地位。圖1 零件二維圖圖2 零件二維圖三視圖 運用SolidWorks軟件繪制所加工零件的三維圖,如圖3所示。六、畢業(yè)答辯三、零件的圖簡介及其繪制二維零件圖是由二維圖形、符號、文字和數(shù)字等組成的圖樣,用來表示零件的結(jié)構(gòu)形狀、尺寸大小、技術(shù)要求的,同時是反映設(shè)計意圖和加工要求以及可以進行交流經(jīng)驗的技術(shù)文件。二、選題:學(xué)生在教師指導(dǎo)下,獨立完成一項自選或給定的數(shù)控加工等方面的設(shè)計任務(wù),編寫出符合要求的設(shè)計說明、正確編制數(shù)控加工程序、繪制二維、三維圖形。但從數(shù)控加工內(nèi)容的本質(zhì)上講,各數(shù)控系統(tǒng)的各項指令都是應(yīng)實際加工工藝要求而設(shè)定的。按工藝特點、布局形式和結(jié)構(gòu)特性等的不同,車床可以分為臥式車床、落地車床、立式車床、轉(zhuǎn)塔車床以及仿形車床等,其中大部分為臥式車床。車削是最基本、最常見的切削加工方法,在生產(chǎn)中占有十分重要的地位。 process design。(包含凸臺、外輪廓、孔)的工藝設(shè)計,其中包括加工方法的選擇,加工順序的安排,毛坯的選擇,車刀的類型及選用,切削用量的選擇,數(shù)控加工中數(shù)值計算等。隨著社會需求個性化、多樣化的發(fā)展,生產(chǎn)規(guī)模沿著小批量——大批量——多品種變批量的方向發(fā)展,以及以計算機為代表的高技術(shù)和現(xiàn)代化管理技術(shù)的引入,滲透與融合,不斷地改變著傳統(tǒng)制造技術(shù)的面貌和內(nèi)涵,從而形成了先進制造技術(shù)。畢業(yè)論文(設(shè)計)題 目: 數(shù)控車床加工軸套零件 院(系): 專業(yè)年級: 姓 名: 王 星 學(xué) 號: 指導(dǎo)教師: 2013年4月26日摘 要數(shù)控加工是機械行業(yè)一門新的專業(yè),數(shù)控技術(shù)是數(shù)字程序控制數(shù)控機械實現(xiàn)自動工作的技術(shù)。同時,社會經(jīng)濟的飛速發(fā)展,對數(shù)控裝置和數(shù)控機械要求在理論和應(yīng)用方面有迅速的發(fā)展和提高。本篇論文是對利用數(shù)控車床加工毛坯直徑為Φ140mm、長為240mm,材料為45鋼的零件。關(guān)鍵詞:數(shù)控機床; 工藝設(shè)計; 程序編制 Abstract NC machining is a new professional machinery industry, the numerical control technology is the digital program control of CNC machine to realize automatic working technology. It is widely used in mechanical manufacturing and automation, better solve the many varieties, small batch and plex parts processing and automation of production processes. With the rapid development of puter, automatic control technology, numerical control technology has been widely used in CNC machine tools, robots and all kinds of electromechanical integration equipment. At the same time, the rapid development of social economy, the NC equipment and CNC machinery have rapidly developed and improved in the aspects of theory and application.With the development of social demand for personalized, diversified, the scale of production along the small batch mass multiple species and batch of the direction of development, and the introduction of high technology and modern management technology with puter technology as the representative, penetration and integration, constantly changing appearance and connotation of traditional manufacturing technology, which formed the advanced manufacturing technology.Numerical control is a kind of automatic control technology, its control is position, angle, speed mechanical quantity. CNC machine tools, CNC technology is the use of the machine, it is loaded with the program control machine tool, the system can logically processing has provisions for the use of numbers or other symbols coded instruction program.This paper is on the use of CNC lathe processing blank diameter 140mm, length 240mm, the material is 45 steel parts. (including bosses, outline, hole) process design, including the choice of processing methods, processing sequence arrangement, the choice of blank, types and selection of cutting tools, the choice of cutting parameters in N