【正文】 的。 60 年代之后，又在航空行業(yè) 中得到更廣泛的應(yīng)用。 關(guān)鍵詞： 噴丸機(jī)，超高壓水射流，步進(jìn)電機(jī)，滾珠絲杠，滾動(dòng)導(dǎo)套 Design of high pressure water jet peening machine Abstract The design of superhigh pressure water jet stream blast peening rotoblast machine tool,mainly the remolding of ordinary high pressure water jet stream cuttingoff machine tool,has the function of peening disposal to the work control system utilizes microputer to make open loop control toward the verticalhorizontal system,the drive elements use the directcurrent stepservo motor, drive system applies the ball screw,the deflector adopts rolling guidepost bushings,and chucking fixture uses special rotating fixture in order to achieve the work piece continuous rotating with angular speed or intermittent rotating with a certain whole procedure is as follows: microputer sends out mands to drive the stepservo motor and bring along the ball screw rolling,then realizes turnover sports of the work of the above remends in detail the overall structure,the working thesis and the original design of water jet stream numeric control blast peening rotoblast machine tool. Keyword:Shot blasting machine,Ultra high pressure water jet,Stepper motor,Ball screw, Rolling guide sleeve 中北大學(xué) 20xx 屆畢業(yè)設(shè)計(jì)說(shuō)明書 第 Ⅰ 頁(yè) 共 Ⅱ 頁(yè) 目 錄 1 緒論 ...................................................................................................................................... 1 噴丸機(jī)概述及發(fā)展現(xiàn)狀 ................................................................................................... 1 高壓水射流加工技術(shù) ....................................................................................................... 1 高壓水射流數(shù)控機(jī)床 ....................................................................................................... 3 高壓水射流噴丸機(jī)工作原理 ........................................................................................ 4 高壓水射流噴丸機(jī)床系統(tǒng)組成 .................................................................................... 4 高壓水射流噴丸機(jī)床的設(shè)計(jì)任務(wù) ................................................................................ 5 2 傳動(dòng)部件的設(shè)計(jì)計(jì)算及校核 .............................................................................................. 6 滾珠絲杠副基本結(jié)構(gòu)與特點(diǎn) ........................................................................................... 6 滾珠絲杠副的組成 ........................................................................................................ 6 滾珠絲杠副的基本結(jié)構(gòu) .................................................................................................. 7 滾珠絲桿副傳動(dòng)的特點(diǎn) ................................................................................................ 8 典型滾珠絲杠螺母副的結(jié)構(gòu) ........................................................................................ 8 軸向間隙的消除 .......................................................................................................... 10 滾珠絲杠的安裝與支承 .............................................................................................. 12 運(yùn)動(dòng)支架滾珠絲杠副副的選型計(jì)算 ............................................................................. 13 噴 頭支架滾珠絲杠副的選型計(jì)算 ................................................................................. 27 滾珠絲杠副的潤(rùn)滑、防護(hù)和密封 ................................................................................. 28 潤(rùn)滑 .............................................................................................................................. 28 防護(hù) .............................................................................................................................. 29 密封 .............................................................................................................................. 29 3 滾動(dòng)直線導(dǎo)套副的選擇計(jì)算 ............................................................................................ 31 滾動(dòng)導(dǎo)套副的基本結(jié)構(gòu) ................................................................................................. 31 滾動(dòng)導(dǎo)套副的結(jié)構(gòu)形式 ................................................................................................. 31 滾動(dòng)導(dǎo)套副的特點(diǎn) ......................................................................................................... 32 滾動(dòng)導(dǎo)套副選型計(jì)算 ..................................................................................................... 32 導(dǎo)軌防護(hù)罩 ..................................................................................................................... 34 4 專用夾具及其配套組件設(shè)計(jì) ............................................................................................ 36 中北大學(xué) 20xx 屆畢業(yè)設(shè)計(jì)說(shuō)明書 第 Ⅱ 頁(yè) 共 Ⅱ 頁(yè) 專用夾具的組成及特點(diǎn) ................................................................................................. 36 夾具的選型設(shè)計(jì) ............................................................................................................. 36 主軸前端頭部夾持形式的設(shè)計(jì) ..................................................................................... 37 蝸輪、蝸桿減速機(jī)構(gòu)設(shè)計(jì)計(jì)算 ..................................................................................... 37 5 結(jié)論 .................................................................................................................................... 43 參考文獻(xiàn) .................................................................................................................................. 43 致謝 .......................................................................................................................................... 45 中北大學(xué) 20xx 屆畢業(yè)設(shè)計(jì)說(shuō)明書 第 1 頁(yè) 共 45 頁(yè) 1 緒論 噴丸機(jī)概述及發(fā)展現(xiàn)狀 噴丸強(qiáng)化加工因其具有提高金屬構(gòu)件抗疲勞性能和抗應(yīng)力腐蝕能力的優(yōu)點(diǎn)而得到廣泛的應(yīng)用。由微機(jī)發(fā)出指令，驅(qū)動(dòng)步進(jìn)電機(jī)，然后帶動(dòng)滾珠絲杠轉(zhuǎn)動(dòng)，實(shí)現(xiàn)工件的周轉(zhuǎn)運(yùn)動(dòng)。 畢業(yè)設(shè)計(jì)說(shuō)明書 高壓水射流噴丸機(jī)床設(shè)計(jì) 班 級(jí)： 學(xué)號(hào)： 姓 名： 學(xué) 院： 專 業(yè)： 指導(dǎo)教師： 20