M7130平面磨床電氣控制線路ppt課件

.,M7130平面磨床電氣控制線路,機械加工中，當對零件表面的光潔度要求較高時，就需要用磨床進行加工，磨床是用砂輪的周邊或端面對工件的表面進行機械加工的一種精密機床。,該磨床的型號意義M7130,磨床工作臺的工作面寬為300平面臥軸矩臺式,.,一、M7130平面磨床的主要結構,.,立柱,砂輪箱橫向移動手輪,砂輪箱,電磁吸盤,工作臺,床身,工作臺換向撞塊,工作臺往復運動換向手柄,砂輪箱垂直進刀手輪,活塞桿,M7130平面磨床,.,二、M7130平面磨床的主要運動形式和控制要求,.,二、M7130平面磨床的主要運動形式和控制要求,.,三、M7130平面磨床電氣控制線路分析,.,.,認識磨床主電路,M7130型平面磨床主電路中有3臺異步電動機：砂輪電動機、冷卻泵電動機、液壓泵電動機1)因為砂輪的轉速一般不需要調節(jié)，所以對砂輪電動機沒有電氣調速的要求，也不需要反轉，可直接起動。由KM1控制，F(xiàn)R1過載保護。,新課,.,2)平面磨床的縱向和橫向進給運動一般采用液壓傳動，所以需要由一臺液壓泵電動機M3驅動液壓泵，對液壓泵電動機也沒有調速、反轉和降壓起動的要求。工作臺的往返運動有液壓傳動系統(tǒng)實現(xiàn)。M3由接觸器KM2控制，由熱繼電器FR2進行過載保護,認識磨床主電路,新課,.,3)同車床一樣，也需要一臺冷卻泵電動機提供冷卻液，冷卻泵電動機與砂輪電動機也具有聯(lián)鎖關系，即要求砂輪電動機起動后才能開動冷卻泵電動機。,認識磨床主電路,新課,.,4)具有各種常規(guī)的電氣保護環(huán)節(jié)如：短路保護和電動機的過載保護,認識磨床主電路,新課,.,5)具有安全的局部照明裝置：由變壓器T2將380V將為36V，由SA2開關控制控制照明燈EL,認識磨床照明電路,新課,.,3,磨床的運動形式,1,4,2,5,6,1-砂輪2-工作臺,主運動3-砂輪旋轉（砂輪電機M1）進給運動6-垂直進給，滑座沿立柱上下運動5-橫向進給，砂輪箱沿滑座上水平運動3-縱向進給，工作臺沿床身往復運動輔助運動砂輪架的快速移動、冷卻泵供出冷卻液（冷卻泵電機M2）,（液壓泵電機M3）,新課,.,電磁吸盤結構與工作原理,1鋼制吸盤體2線圈3鋼制蓋板4隔磁板（非磁性材料）5工件當線圈通入直流電后，使芯體被磁化形成磁極，當工件放上后會同時磁化；,新課,.,電磁吸盤控制：電路由整流裝置、控制裝置及保護裝置等部分組成。,新課,.,新課,.,L1L2L3,KM1,M3,QS1,U11,V11,W11,FU1,M3,M3,U12,W12,V12,KM1,KM2,U13,W13,V13,U14,V14,W14,KH1,KH2,1U,1V,1W,2U,2V,2W,3U,3V,3W,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,.,L1L2L3,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,合上QS1,.,L1L2L3,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,扳動QS2,電磁吸盤吸合,.,L1L2L3,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,按下SB1,.,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,按下SB3,L1L2L3,.,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,合上SA,L1L2L3,.,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,按下SB2，SB4扳動QS2,電磁吸盤放松,L1L2L3,.,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,扳動QS2,電磁吸盤退磁,L1L2L3,.,KM1,M3,QS1,FU1,M3,M3,KM1,KM2,KH1,KH2,M1,M2,M3,PE,X1,FU2,0,1,2,3,4,5,6,7,8,QS2,SB1,SB2,SB3,SB4,KH1,KH2,KA,KM2,KM1,KM2,T1,R1,C,201,202,203,204,205,206,207,208,209,210,VC,R2,QS2,R3,KA,X2,YH,T2,FU3,101,102,SA,EL,XS,I,X,退放吸磁松合,2,2,2,7,4,4,4,9,M7130平面磨床電路圖,不使用電磁吸盤時合上QS2,L1L2L3,.,1、平面磨床的作用是。2、平面磨床工作臺的往返運動由實現(xiàn)，電動機沒有正反轉。3、為防止工件在磨削時發(fā)熱變形，使用冷卻。4、為了讓工件在磨削過程中能自由伸縮，采用來吸持工件。,課堂