冶煉廠的電鍍出產(chǎn)線選用專用行車

，行車架上裝有可升降的吊鉤，行車和

吊鉤各由一臺(tái)電動(dòng)機(jī)拖動(dòng)，行車的進(jìn)退

和吊鉤的升降均由相應(yīng)的限位開關(guān)3(3

定位。該出產(chǎn)線上現(xiàn)有三個(gè)槽位，也可

以根據(jù)出產(chǎn)需求和技術(shù)懇求便利的拓展

。
該系統(tǒng)具有手動(dòng)和主動(dòng)循環(huán)兩種工

作方法，手動(dòng)方法用于設(shè)備調(diào)試或出現(xiàn)

缺點(diǎn)時(shí)結(jié)束單步動(dòng)作或調(diào)整設(shè)備到初始

方位。在主動(dòng)方法下，電鍍出產(chǎn)線不工

作時(shí)，行車、吊鉤處于原位，裝好工件

后，只需按下發(fā)起按鈕，吊鉤上升，上

升到上限位，吊鉤間斷工作；行車再股

動(dòng)吊鉤右行至鍍槽，行車間斷工作；然

后吊鉤降低，降低至下限位，即工件放

入鍍槽，電鍍150S后提起，停放30S，

讓鍍液從工件上回流到鍍槽；然后行車

再右行至回收槽，吊鉤降低，將工件放

入回收槽中浸泡26S，提起后停放18S，

接著行車再右行至清水槽，將工件放入

清水槽中清潔28S，最終提起停放15S后

，行車左行至左限位，吊鉤降低至原位

，電鍍一個(gè)工件的全進(jìn)程結(jié)束。
該系統(tǒng)正本選用繼電器接觸器系統(tǒng)

控制，因?yàn)槿秉c(diǎn)多，工作參數(shù)不便利調(diào)

度，又不具有監(jiān)控功用，給出產(chǎn)和工作

處理帶來許多不便利。所以改為用PLC

和觸摸屏聯(lián)合控制，不只跋涉了控制的

主動(dòng)化程度，而且在系統(tǒng)工作進(jìn)程中，

還能用觸摸屏修改控制需求的時(shí)間參數(shù)

，通過實(shí)習(xí)操作證實(shí)，改造后的系統(tǒng)操

作筒捷，工作安穩(wěn)，可靠性高。在西門

子S7-200plc中所處理數(shù)據(jù)有三種，即

常數(shù)、數(shù)據(jù)存貯器中的數(shù)據(jù)和數(shù)據(jù)政策

中的數(shù)據(jù)。

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CISCO ASSY#68-0208-03B0/73-1669-06B0 1
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CKD LYX-0507 1
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CUTLER HAMMER 1755T-PMPP-1700 1
CUTLER HAMMER 87-01368-01 1
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cutler-hammer E111A12X3N 3
Cutler-Hammer HLDB3600FT33W 1
CUTLER-HAMMER 1775T-PMPS-1700 1
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D/A DCU-RM2 1
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DALLAS DS1230Y-150+ 2
DANAHER MOTION XMP-SYNQNET-PCI-RJ 1
DANGER 2214-30SLQTA 1
DANGER 2214-30SLOTT 1
DATAPLATE PMC720 1
DIGIFAS DIGIFAS7108 1
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DOBOTECH DQM CARD REL.1.0  0310071 1
DOBOTECH DQM CARD REL.1.0  0310072 1
DOUCETTE SLHE1-1/2K NE-1001 1
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