【正文】 is a kinematic chain of mechanical ponents, it can be displayed by bining the geometry of the mechanical ponents. Each ponent has a geometrical model including the shape and object coordinate frame, and the machine tool geometry can be generated. Since VMT modeling aims mainly for functionality, rather than exact shaping, the shape of the mechanical ponents can be represented by simple shape elements, such as blocks and cylinders [11]. For instance, bed, column, table, and spindle can be represented by solid blocks, cylinders or a bination. By this way, bed, column, and table are represented by blocks with a translational matrix, spindle is presented by a block with a rotational matrix, and tool by a cylinder and a rotational matrix. By bining the geometric models of the ponents in the world coordinate frame, the plete geometric model of the machine tool can be pletely defined. . Kinematic Model The machine tool is structured as a kinematic chain of mechanical ponents, and functions by the translational and/or rotational movements. To model VMT, the 4 4 homogeneous transformational matrices of kinematics between each pair of ponents are input. The machine tool can be built up by assembling the geometrical units. According to Shin no and Yoshimi[10], the mechanical units of machine tools can be classified into 9 basic mechanical units: spindle, slide, swivel slide, crossslide, column, table, base, column base, and bed, and they can be bined under specific constraints. The mechanical units can be bined to represent the assembly sequence for the kinematic ponents by a certain connectivity graph scheme[11]. 3. Implementation of Virtual Machine Tool Virtual machine tool structural modeler (VMSM) is implemented using OpenGL and VC++ based on the proposed modeling method of machine tools. It can generate easily and quickly initial alternatives of machine tools which satisfies the functions and structures required by user. Consequently, virtual machine tool structural modeler can automate the routine processes needed to design machine tools [10]. Also, to consolidate expert knowledge for structural design into VMSM, initial alternatives can be modified by adaptation process followed. In this research, module and structure library contains various subordinated libraries: module library, module shape library, module bination rule library and structure library. Module library contains ponent modules, module shape library includes the plicated module shapes, module bination rule library for bination rules, and structure library stores the plete machine tools. The library is useful for information sharing, reusability and standardization of modules or machine tool’s structures. Proceedings of the 16th International Conference on Artificial Reality and TelexistenceWorkshops (ICAT39。 ， 2020 年， 699711 頁。程序的 2020 年冬季仿真會(huì)議上， 2020 年，頁。 [8]曹元，“虛擬設(shè)計(jì)和優(yōu)化機(jī)床主軸“ ，年報(bào) CIRP ， 2020 年， [9]珍曹元“一種通用方法建模主軸軸承系統(tǒng)“ ，譯。 系統(tǒng)建模與仿真：理論與應(yīng)用：第三屆亞洲仿真會(huì) 議， AsianSim 2020 年， 斯普林格德國海德堡， 2020 年， 6876 頁。 [2]十，丹尼爾，南芳，和 ， “虛擬加工實(shí)驗(yàn)室為知識學(xué)習(xí)和技能培訓(xùn)。提出的虛擬機(jī)工具系統(tǒng)可以 應(yīng)用 于 產(chǎn)業(yè) ， 應(yīng)用于機(jī)器學(xué)習(xí)和培訓(xùn)系統(tǒng)。 5 結(jié)論 在本文中，虛擬機(jī)工具 的主要目的是將設(shè)計(jì) .測試 .優(yōu)選 .控制和機(jī)器零件 集中在一個(gè)虛擬現(xiàn)實(shí)環(huán)境里。 真正用機(jī)器制造的系統(tǒng)引起切口序列跟隨實(shí)習(xí)生的指南和 CNC 控制命令 [2]。在被預(yù)言的處理表現(xiàn)的幫助下網(wǎng)上顯示，學(xué)生能操作真正機(jī)床，當(dāng)觀察時(shí)什么發(fā)生在機(jī)器操作期間通過變化過程參數(shù)。與真正用機(jī)器制造的系統(tǒng)，學(xué)生能評估多么恰當(dāng)他們了解相關(guān)用機(jī)器制造的理論并且估計(jì)多么好他們經(jīng)營的技能是。錘子和地方偽造環(huán)境為顯示被再生產(chǎn)了對使用 immersive 真正機(jī) 床技術(shù)的實(shí)習(xí)生。 圖 4 。 4. 虛擬機(jī)應(yīng)用 . 支持 VMT 應(yīng)用 以“技術(shù)推擠的”制造工業(yè)和“市場拉扯”，用戶要求更低的技術(shù)費(fèi)用，更加高效率的運(yùn)用和人力表現(xiàn)改善。 如果用戶對最初的選擇不滿意，用戶能在增加新的模塊或新的模塊組合規(guī)則以后再生他們。 模塊圖書館包含組分模塊，模塊形狀圖書館包括復(fù)雜的模塊形狀，模塊組合規(guī)則圖書館為組合統(tǒng)治，并且結(jié)構(gòu)圖書館存放完全機(jī)床。 實(shí)例 結(jié)構(gòu)模型工 (VMSM)的實(shí)施使用根據(jù)機(jī)床提出的塑造的方法和 VC++被實(shí)施的 圖 3. 各種虛擬機(jī)工具 的 生成 .滿足用戶和結(jié)構(gòu)需要的作用的它可能容易地和迅速引起機(jī)床最初的選擇。 要塑造 VMT，在每個(gè)對組分之間輸入動(dòng)力學(xué) 4 個(gè) 4 同類的變形 矩陣。例如，床、專欄、桌和紡錘可以由堅(jiān)實(shí)塊、圓筒或者組合代表。 . 根據(jù) 真正機(jī)床配置的幾何學(xué)模型，機(jī)床的形狀可以圖解代表。不同類型的可行機(jī)床結(jié)構(gòu)可以得出采用模塊結(jié)合規(guī)則，規(guī)范交配的可行性兩個(gè)組件模塊。 結(jié)構(gòu)的數(shù)控機(jī)床是由連接圖。第三部分展示了虛擬機(jī)器工具的執(zhí)行。從這些可以看出， VMT是現(xiàn)實(shí)制造業(yè)的抽象概念。不同的學(xué)者對這個(gè)有不同的定義。虛擬系統(tǒng)的核心是虛擬現(xiàn)實(shí)控制算法，它是用來對一個(gè)虛擬現(xiàn)實(shí)系統(tǒng)中不同的單元間不斷變化的虛擬環(huán)境和實(shí)時(shí)交流進(jìn)行動(dòng)態(tài)控制的。 介紹 人們已經(jīng)廣泛的認(rèn)識到 ,CNC機(jī)器工具工業(yè)在 21世紀(jì)面臨著很大的挑戰(zhàn)。此篇論文所要陳述了模擬虛擬機(jī)器模具適應(yīng)不同加工需求。 畢業(yè)設(shè)計(jì) (論文 )外文資料翻譯 系 部： 機(jī)械工程系 專 業(yè)： 機(jī)械工程及自動(dòng)化 姓 名： 學(xué) 號： 外文出處： Department of