【正文】
二代— 晶體管。人們不得不采用數(shù)字邏輯電路“搭”成一臺機(jī)床專用計(jì)算機(jī)作為數(shù)控系統(tǒng),被稱為硬件連接數(shù)控(HARD WIREDNC),簡稱為數(shù)控(NC)。近半個(gè)世紀(jì)以來,數(shù)控機(jī)床經(jīng)歷了兩個(gè)階段和六代的發(fā)展。計(jì)算機(jī)及控制技術(shù)在機(jī)械制造設(shè)備中的應(yīng)用是世紀(jì)內(nèi)制造業(yè)發(fā)展的最重大的技術(shù)進(jìn)步。六年后,即在1952年,計(jì)算機(jī)技術(shù)應(yīng)用到了機(jī)床上。半個(gè)世紀(jì)以來,以計(jì)算機(jī)為主導(dǎo)和核心的信息技術(shù),既通過電視,現(xiàn)代通信等提高了人類生活的質(zhì)量,還促進(jìn)生產(chǎn)力飛速向前發(fā)展,開創(chuàng)了人類文明史,生產(chǎn)史的新紀(jì)元。二、數(shù)控機(jī)床的發(fā)展簡史1946年誕生了世界上第一臺電子計(jì)算機(jī),這表明人類創(chuàng)造了可增強(qiáng)和部分代替腦力勞動的工具。它可以把車削,銑削,螺紋加工,鉆削等集中到一臺設(shè)備上,使其具有多種工藝手段。數(shù)字控制機(jī)床簡稱數(shù)控機(jī)床(NC)對于形狀復(fù)雜、精密、小批量、多品種的零件的加工問題具有適應(yīng)性強(qiáng)、加工精度高、加工質(zhì)量穩(wěn)定和高生產(chǎn)效率的優(yōu)點(diǎn)。數(shù)控技術(shù)是現(xiàn)代化加工設(shè)備的基礎(chǔ),又是精密、高效、高可靠性、高柔性加工技術(shù)的支撐。對零件加工質(zhì)量和精度要求越來越高。關(guān)鍵詞:數(shù)控仿真,機(jī)電一體化,自動化機(jī)床Abstract:The modern numerical control machine tool is the synthesis has applied the puter, the automatic control automatic detection as well as the precision machinery and so on the hightech product, integrated the numerical control simulation module, is allowed to inspect the code the accuracy, thus was allowed to improve the programming quality, reduced the error ratio, sped up the programming speed, was the typical integration of machinery product, was the pletely new automated engine bed。畢業(yè)設(shè)計(jì)(論文)任 務(wù) 書題目名稱:數(shù)控車床加工工藝分析與程序設(shè)計(jì)目錄……………………………………………………………………………………1摘要……………………………………………………………………………………2關(guān)鍵詞…………………………………………………………………………………21引言…………………………………………………………………………………22數(shù)控機(jī)床發(fā)展簡史…………………………………………………………………33數(shù)控車床的特點(diǎn)……………………………………………………………………34數(shù)控車床編程特點(diǎn)…………………………………………………………………35數(shù)控機(jī)床應(yīng)用范圍…………………………………………………………………46數(shù)控機(jī)床發(fā)展趨勢…………………………………………………………………57程序編制過程………………………………………………………………………68系統(tǒng)仿真過程實(shí)現(xiàn)………………………………………………………………119結(jié)論…………………………………………………………………………………1210結(jié)束語…………………………………………………………………………1211謝辭………………………………………………………………………………1212參考文獻(xiàn)………………………………………………………………………13數(shù)控車床加工工藝分析與程序設(shè)計(jì)摘要:現(xiàn)代數(shù)控機(jī)床是綜合應(yīng)用了計(jì)算機(jī)、自動控制﹑自動檢測以及精密機(jī)械等高新技術(shù)的產(chǎn)物,集成了數(shù)控