描述
維修型號為HZ-024寬砂輪矩形平面磨床時出現(xiàn)的故障是:當(dāng)工作臺進(jìn)行縱向磨削橫向進(jìn)給,將開關(guān)打到斷續(xù)工作時,出現(xiàn)換向后不是一次性地橫向進(jìn)給,而是在工作臺的中間位置又出現(xiàn)一次橫向進(jìn)刀磨削的故障,這種故障很容易把被加工磨削的零件磨廢。正常的工作原理是:當(dāng)行程限位塊撞擊液壓換向閥的導(dǎo)桿時,就會橫向進(jìn)給磨削一次,工作臺無論是向左或是向右縱向來回?fù)Q向一次,它就橫向進(jìn)給磨削一次。工作臺是經(jīng)撞塊碰撞液壓換向閥,把液壓油供給液壓先導(dǎo)閥,再供給液壓操縱閥,操縱閥上有一個固定的棒形金屬塊,再去來回感應(yīng)霍爾電子接近開關(guān),使其接通給控制電路發(fā)出信號,傳給控制橫向電動機的接觸器,使橫向電動機工作一次,進(jìn)給量的大小是根據(jù)不同被加工的材料磨削量來確定的,由控制電路中的可調(diào)電位器來控制進(jìn)給量的大小,達(dá)到橫向進(jìn)給磨削零件的目的。經(jīng)對電氣部分進(jìn)行分段檢查即(連續(xù)→手動→斷續(xù))開關(guān)檢查工作正常,我們試驗把開關(guān)打到“斷續(xù)”時,縱向工作臺不工作,用金屬物人為的感應(yīng)一下霍爾接近開關(guān),工作臺就會自動地橫向進(jìn)給工作一次,說明霍爾電子開關(guān)沒有問題。排除了各相關(guān)的電氣部分沒有出現(xiàn)任何問題外,剩下的就是液壓系統(tǒng)的檢查,經(jīng)檢查發(fā)現(xiàn)先導(dǎo)閥控制的操縱閥內(nèi)部由于內(nèi)部油臟,封閉不嚴(yán)左油腔有向右油腔竄油泄露的問題,導(dǎo)致了此故障的發(fā)生。經(jīng)對先導(dǎo)閥和操縱閥的拆卸清洗,安裝后工作正常。
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BALDOR BC160 3HP 230V DC DRIVE
BALDOR BC19H205-CO 5HP 230V DC DRIVE
BALDOR BC19H210-CO 10HP 230V DC DRIVE
BALDOR BC19H215-CO 15HP 230V DC DRIVE
BALDOR BC19H220-CO 20HP 230V DC DRIVE
BALDOR BC19H225-CO 25HP 230V DC DRIVE
BALDOR BC19H240-CO 40HP 230V DC DRIVE
BALDOR BC19H250-CO 50HP 230V DC DRIVE
BALDOR BC19H260-CO 60HP 230V DC DRIVE
BALDOR BC19H275-CO 75HP 230V DC DRIVE
BALDOR BC19H410-CO 10HP 460V DC DRIVE
BALDOR BC19H4100-CO 100H 460V DC DRIVE
BALDOR BC19H4125-CO 125H 460V DC DRIVE
BALDOR BC19H4150-CO 150H 460V DC DRIVE
BALDOR BC19H420-CO 20HP 460V DC DRIVE
BALDOR BC19H4200-CO 200H 460V DC DRIVE
BALDOR BC19H4250-CO 250H 460V DC DRIVE
BALDOR BC19H430-CO 30HP 460V DC DRIVE
BALDOR BC19H4300-CO 300H 460V DC DRIVE
BALDOR BC19H440-CO 40HP 460V DC DRIVE
BALDOR BC19H450-CO 50HP 460V DC DRIVE
BALDOR BC19H475-CO 75HP 460V DC DRIVE
BALDOR BC200.25HP-2HP DC DRIVE
BALDOR BC201.25HP-3HP DC DRIVE
BALDOR BC202.25H-1.5H DC DRIVE
BALDOR BC203 5HP DC DRIVE
BALDOR BC20H205-CL 5HP 230V DC DRIVE
BALDOR BC20H210-CL 10HP 230V DC DRIVE
BALDOR BC20H215-CL 15HP 230V DC DRIVE
BALDOR BC20H220-CL 20HP 230V DC DRIVE
BALDOR BC20H225-CL 25HP 230V DC DRIVE
BALDOR BC20H240-CL 40HP 230V DC DRIVE
BALDOR BC20H250-CL 50HP 230V DC DRIVE
BALDOR BC20H260-CL 60HP 230V DC DRIVE
BALDOR BC20H275-CL 75HP 230V DC DRIVE
BALDOR BC20H410-CL 10HP 460V DC DRIVE
BALDOR BC20H4100-CL 100H 460V DC DRIVE
BALDOR BC20H4125-CL 125H 460V DC DRIVE
BALDOR BC20H4150-CL 150H 460V DC DRIVE
BALDOR BC20H420-CL 20HP 460V DC DRIVE
BALDOR BC20H4200-CL 200H 460V DC DRIVE
BALDOR BC20H4250-CL 250H 460V DC DRIVE
BALDOR BC20H430-CL 30HP 460V DC DRIVE
Manufacturer Part Number Description
BALDOR BC20H4300-CL 300H 460V DC DRIVE
BALDOR BC20H440-CL 40HP 460V DC DRIVE
BALDOR BC20H4400-EL 400H 460V DC DRIVE
BALDOR BC20H450-CL 50HP 460V DC DRIVE
BALDOR BC20H4500-EL 500H 460V DC DRIVE
BALDOR BC20H475-CL 75HP 460V DC DRIVE
BALDOR BC211 DC SCR CONTROL
BALDOR BC212 DC SCR CONTROL
BALDOR BC213 DC SCR CONTROL
BALDOR BC254 DC DRIVE
BALDOR BCWD140 SCR CONTROL
BALDOR BMC3538.5HP DC DRIVE
BALDOR BMC3542.75HP DC DRIVE
BALDOR BMC3546 1HP DC DRIVE
BALDOR BMC3554T 1.5HP DC DRIVE
BALDOR BMC3558T 2HP DC DRIVE
BALDOR BPS10-200-20-R POWER SUPPLY
BALDOR BPS3050 POWER SUPPLY
BALDOR BQ7016CC DYNAMIC BRAKE
BALDOR BQ7016CP DYNAMIC BRAKE
BALDOR BQ7030CC DYNAMIC BRAKE
BALDOR BQ7030CP DYNAMIC BRAKE
BALDOR BQ7055CC DYNAMIC BRAKE
BALDOR BQ7055CP DYNAMIC BRAKE
BALDOR BQ7080CC DYNAMIC BRAKE
BALDOR BQ7080CP DYNAMIC BRAKE
BALDOR BQ7135CC DYNAMIC BRAKE
BALDOR BQ7135CP DYNAMIC BRAKE
BALDOR BQ7160CC DYNAMIC BRAKE
BALDOR BQ7160CP DYNAMIC BRAKE