普通車床數(shù)控改造及橫縱向進(jìn)給系統(tǒng)設(shè)計(jì)

1、普通車床數(shù)控改造及橫縱向進(jìn)給系統(tǒng)設(shè)計(jì) c6140 普通車床數(shù)控改造及橫縱向進(jìn)給系統(tǒng)設(shè)計(jì) 摘 要 我國是傳統(tǒng)的機(jī)械制造大國，但是設(shè)備及其落后，尤其是老的機(jī)械制造廠主要還是舊的機(jī)床，不能滿足處理的條件。制造技術(shù)和設(shè)備的現(xiàn)狀,與現(xiàn)代先進(jìn)技術(shù)對大型故障機(jī),尤其是大量閑置的普通機(jī)床進(jìn)行改造、升級,盡快使這批設(shè)備在經(jīng)濟(jì)發(fā)展中發(fā)揮能力、創(chuàng)造效益,的確是許多企業(yè)不能忽視一個(gè)主題,是我國制造業(yè)的發(fā)展方向。這個(gè)話題是 ca6140 普通車床數(shù)控改造,其現(xiàn)實(shí)意義在于如何找到一個(gè)可行的和擴(kuò)展設(shè)備改造方法的價(jià)值,傳統(tǒng)的機(jī)械制造技術(shù)和設(shè)備產(chǎn)業(yè)技術(shù)升級,為了解決設(shè)備老化帶來的問題。 關(guān)鍵詞: 滾珠絲杠 滾珠絲杠螺母副 單片

2、機(jī) 步進(jìn)電機(jī) abstract china is a traditional machine manufacture great nation, however, its equipment level falls behind, in particular, in some engineering works, and most of the machine is quite old, far from enough to meet the requirements of processing. in view of present manufacturing industry"s

3、 technical equip present situation, makes the transformation, the promotion particularly with the modern vanguard technology to a large quantities of breakdown engine bed large quantities of idles ordinary engine bed, enables this batch of equipment by the small investment to display the potency, th

4、e creation benefit as soon as possible in the economic development, indeed is a many enterprise"s noticeable topic, is our country manufacturing industry development direction .this topic is aims at ca6140 the ordinary worn out lathe to make the numerical control transformation, how does its pr

5、actical significance lie in seeks for one kind feasible, to have the promoted value equipment to transform the method, carries on the technical promotion to the traditional machine manufacture profession"s technical equip, solves the problem which the present equipment gets older brings. in thi

6、s topic research process, the first convention numerically-controlled machine tool which used for the present factory has carried on the comprehensive investigation and the analysis. keywords: ball screw ball the screw nut is auxiliary monolithic machine step-by-step electric motor. i 目 錄 緒 論 . 1 第一

7、章 數(shù)控機(jī)床的改造 . 2 1.1 普通機(jī)床數(shù)控改造 . 2 1.1.1 普通機(jī)床數(shù)控改造的好處 . 2 1.1.2 機(jī)床數(shù)控化改造的市場 . 2 1.1.3 數(shù)控改造基本步驟 . 3 第二章 總體方案設(shè)計(jì) . 錯(cuò)誤! 未定義書簽。 2.1 設(shè)計(jì)任務(wù) . 4 2.2 確定總體方案 . 4 2.2.1 伺服系統(tǒng)方案的確定 . 4 2.2.2 執(zhí)行機(jī)構(gòu)傳動(dòng)方式的確定 . 4 2.2.3 單片微機(jī)控制方案確定 . 5 第三章 機(jī)床進(jìn)給伺服系統(tǒng)設(shè)計(jì)計(jì)算 . 錯(cuò)誤! 未定義書簽。 3.1 運(yùn)動(dòng)參數(shù)計(jì)算 . 錯(cuò)誤! 未定義書簽。 3.2 系統(tǒng)脈沖當(dāng)量選擇及切削力確定 . 6 3.2.1 脈沖當(dāng)量選擇 .

8、6 3.2.2 縱車外圓 . 7 3.2.2 橫切端面 . 7 3.3 滾珠絲杠螺母副的計(jì)算和選型 . 7 3.3.1 滾珠絲杠的選型 . 7 3.3.2 縱向進(jìn)給絲杠的計(jì)算 . 7 3.3.3 橫向進(jìn)給絲杠 . 11 3.4 齒輪傳動(dòng)比計(jì)算 . 14 3.4.1 縱向進(jìn)給齒輪箱傳動(dòng)比計(jì)算 . 14 3.4.2 橫向同步齒形帶傳動(dòng)比計(jì)算 . 14 第四章 步進(jìn)電機(jī)的選型和計(jì)算 . 16 4.1 步進(jìn)電機(jī)的特點(diǎn)與種類 . 16 4.2 步進(jìn)電動(dòng)機(jī)的選用原則 . 17 4.3 縱向步進(jìn)電機(jī)的計(jì)算 . 17 4.3.1 等效轉(zhuǎn)動(dòng)慣量計(jì)算 . 17 ii 4.3.2 電機(jī)力矩計(jì)算 . 18 4.3.3

9、 計(jì)算步進(jìn)電機(jī)空載啟動(dòng)頻率和切削時(shí)的工作頻率 . 20 4.4 橫向進(jìn)給步進(jìn)電機(jī)計(jì)算和選型 . 22 4.4.1 等效轉(zhuǎn)動(dòng)慣量計(jì)算 . 22 4.4.2 電機(jī)力矩計(jì)算 . 23 4.4.3 計(jì)算步進(jìn)電機(jī)空載啟動(dòng)頻率和切削時(shí)的工作頻率 . 26 第五章 控制系統(tǒng)的方案設(shè)計(jì) . 27 5.1 單片微機(jī)控制方案確定 . 27 5.2 控制系統(tǒng)的作用及要求 . 27 5.2.1 控制系統(tǒng)作用. . 27 5.2.2 基本要求 . 28 5.3 控制系統(tǒng)硬件電路的設(shè)計(jì) . 28 5.4 控制電路部分軟件的設(shè)計(jì) . 29 5.4.1 存儲(chǔ)器與 i/o 芯片地址分配 . 29 5.4.2 控制系統(tǒng)的監(jiān)控管理程序 . 30 5.4.3 8255 芯片初始化程序 . 30 5.4.4 8289 芯片初始化程序 . 30 5.5