x52k進給系統(tǒng)經濟型數(shù)控改造設計

1、0X52K進給系統(tǒng)經濟型數(shù)控改造設計目錄1.概述.........................................................................11.1技術要求................................................................11.2總體設計方案.........................................

2、...................22.滾珠絲杠螺母副的選型和計算...................................................22.1主切削力及其切削分力計算................................................22.2導軌摩擦力的計算........................................................32

3、.3計算滾珠絲杠螺母副的軸向負載力..........................................32.4滾珠絲杠的動載荷計算與直徑估算..........................................33.工作臺部件的裝配圖設計.......................................................74.滾珠絲杠螺母副的承載能力校驗..............

4、...................................84.1滾珠絲桿螺母副臨界壓縮載荷的校驗........................................84.2滾珠絲桿螺母副臨界轉速的校驗............................................84.3滾珠絲桿螺母副額定壽命的校驗............................................8

5、5.計算機械傳動系統(tǒng)的剛度.......................................................95.1機械傳動系統(tǒng)的剛度計算..................................................95.2滾珠絲杠螺母副扭轉剛度的計算...........................................106.驅動電動機的選型與計算...........

6、...........................................106.1計算折算到電動機軸上的負載慣量。.......................................106.2計算折算到電動機軸上的負載力矩.........................................116.3計算坐標軸折算到電動機軸上的各種所需力矩..............................1

7、26.4選擇驅動電動機的型號...................................................137.確定滾珠絲杠螺母副的精度等級和規(guī)格型號......................................137.1確定滾珠絲杠螺母副的精度等級...........................................137.2滾珠絲杠螺母副的規(guī)格型號...............

8、................................148.設計總結...................................................................149.參考文獻....................................................................142（3）對滾珠絲杠螺母副采用預緊，并對滾珠絲杠進行拉伸預。（4）采用伺

9、服電動機驅動。（5）采用膜片彈性聯(lián)軸器將伺服電動機與滾珠絲杠連接。2.滾珠絲杠螺母副的選型和計算2.1主切削力及其切削分力計算（1）計算主切削力Fz。根據(jù)已知條件，采用端面銑刀在主軸計算轉速下進行強力切削（銑刀直徑D=125mm），主軸具有最大扭矩，并能傳遞主電動機的全部功率，此時銑刀的切削速度為：（已知機床主電動機的額定功率為5.5kw，主軸計算轉速n=310rmin。）mP根據(jù)公式得刀具的切削速度為：smsmDnv03.260310

10、1012514.3603????????取機床的機械效率為：，則由式得主切削力：8.0m??NNvFz49.21671003.25.58.010P33Em???????（2）計算各切削分力工作臺的縱向切削力、橫向切削力和垂向切削力分別為1192.12N2167.4955.055.0F2059.12N2167.4959.059.0FN86749.21674.00.4FFVCz1????????????zzFF2.2導軌摩擦力的計算在切削狀