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(jī)械加工中，當(dāng)對(duì)零件表面的光潔度要求較高時(shí)，就需要用磨床進(jìn)行加工，磨床是用砂輪的周邊或端面對(duì)工件的表面進(jìn)行機(jī)械加工的一種精密機(jī)床。,該磨床的型號(hào)意義M7130,磨床工作臺(tái)的工作面寬為300平面臥軸矩臺(tái)式,.,一、M7130平面磨床的主要結(jié)構(gòu),.,立柱,砂輪箱橫向移動(dòng)手輪,砂輪箱,電磁吸盤,工作臺(tái),床身,工作臺(tái)換向撞塊,工作臺(tái)往復(fù)運(yùn)動(dòng)換向手柄,砂輪箱垂直進(jìn)刀手輪,活塞桿,M7130平面磨床,.,二、M7130平面磨床的主要運(yùn)動(dòng)形式和控制要求,.,二、M7130平面磨床的主要運(yùn)動(dòng)形式和控制要求,.,三、M7130平面磨床電氣控制線路分析,.,.,認(rèn)識(shí)磨床主電路,M7130型平面磨床主電路中有3臺(tái)異步電動(dòng)機(jī)：砂輪電動(dòng)機(jī)、冷卻泵電動(dòng)機(jī)、液壓泵電動(dòng)機(jī)1)因?yàn)樯拜喌霓D(zhuǎn)速一般不需要調(diào)節(jié)，所以對(duì)砂輪電動(dòng)機(jī)沒(méi)有電氣調(diào)速的要求，也不需要反轉(zhuǎn)，可直接起動(dòng)。由KM1控制，F(xiàn)R1過(guò)載保護(hù)。,新課,.,2)平面磨床的縱向和橫向進(jìn)給運(yùn)動(dòng)一般采用液壓傳動(dòng)，所以需要由一臺(tái)液壓泵電動(dòng)機(jī)M3驅(qū)動(dòng)液壓泵，對(duì)液壓泵電動(dòng)機(jī)也沒(méi)有調(diào)速、反轉(zhuǎn)和降壓起動(dòng)的要求。工作臺(tái)的往返運(yùn)動(dòng)有液壓傳動(dòng)系統(tǒng)實(shí)現(xiàn)。M3由接觸器KM2控制，由熱繼電器FR2進(jìn)行過(guò)載保護(hù),認(rèn)識(shí)磨床主電路,新課,.,3)同車床一樣，也需要一臺(tái)冷卻泵電動(dòng)機(jī)提供冷卻液，冷卻泵電動(dòng)機(jī)與砂輪電動(dòng)機(jī)也具有聯(lián)鎖關(guān)系，即要求砂輪電動(dòng)機(jī)起動(dòng)后才能開動(dòng)冷卻泵電動(dòng)機(jī)。,認(rèn)識(shí)磨床主電路,新課,.,4)具有各種常規(guī)的電氣保護(hù)環(huán)節(jié)如：短路保護(hù)和電動(dòng)機(jī)的過(guò)載保護(hù),認(rèn)識(shí)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(guān)控制控制照明燈EL,認(rèn)識(shí)磨床照明電路,新課,.,3,磨床的運(yùn)動(dòng)形式,1,4,2,5,6,1-砂輪2-工作臺(tái),主運(yùn)動(dòng)3-砂輪旋轉(zhuǎn)（砂輪電機(jī)M1）進(jìn)給運(yùn)動(dòng)6-垂直進(jìn)給，滑座沿立柱上下運(yùn)動(dòng)5-橫向進(jìn)給，砂輪箱沿滑座上水平運(yùn)動(dòng)3-縱向進(jìn)給，工作臺(tái)沿床身往復(fù)運(yùn)動(dòng)輔助運(yùn)動(dòng)砂輪架的快速移動(dòng)、冷卻泵供出冷卻液（冷卻泵電機(jī)M2）,（液壓泵電機(jī)M3）,新課,.,電磁吸盤結(jié)構(gòu)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(dāng)線圈通入直流電后，使芯體被磁化形成磁極，當(dāng)工件放上后會(huì)同時(shí)磁化；,新課,.,電磁吸盤控制：電路由整流裝置、控制裝置及保護(hù)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(dòng)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(dòng)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(dòng)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(shí)合上QS2,L1L2L3,.,1、平面磨床的作用是。2、平面磨床工作臺(tái)的往返運(yùn)動(dòng)由實(shí)現(xiàn)，電動(dòng)機(jī)沒(méi)有正反轉(zhuǎn)。3、為防止工件在磨削時(shí)發(fā)熱變形，使用冷卻。4、為了讓工件在磨削過(guò)程中能自由伸縮，采用來(lái)吸持工件。,課堂