IC698CRE020

IC698CRE020

IC698CRE020

 組合機(jī)床的控制

兩工位鉆孔、攻絲組合機(jī)床，能自動完成工件的鉆孔和攻絲加工，自動化程度高，生產(chǎn)效率高。兩工位鉆孔、攻絲組合機(jī)床如圖7-32所

機(jī)床主要由床身、移動工作臺、夾具、鉆孔滑臺、鉆孔動力頭、攻絲滑臺、攻絲動力頭、滑臺移動控制凸輪和液壓系統(tǒng)等組成。

移動工作臺和夾具用以完成工件的移動和夾緊，實現(xiàn)自動加工。鉆孔滑臺和鉆孔動力頭，用以實現(xiàn)鉆孔加工量的調(diào)整和鉆孔加工。攻絲滑臺和攻絲動力頭，用以實現(xiàn)攻絲加工量的調(diào)整和攻絲加工。工作臺的移動（左移、右移），夾具的夾緊、放松，鉆孔滑臺和攻絲滑臺的移動（前移、后移），均由液壓系統(tǒng)控制。其中兩個滑臺移動的液壓系統(tǒng)由滑臺移動控制凸輪來控制，工作臺的移動和夾具的夾緊與放松由電磁閥控制。

根據(jù)設(shè)計要求，工作臺的移動和滑臺的移動應(yīng)嚴(yán)格按規(guī)定的時序同步進(jìn)行，兩種運(yùn)動密切配合，以提高生產(chǎn)效率。

1. 控制要求

系統(tǒng)通電，自動起動液壓泵電動機(jī)M1。若機(jī)床各部分在原位（工作臺在鉆孔工位SQ1動作，鉆孔滑臺在原位SQ2動作，攻絲滑臺在原位SQ3動作），并且液壓系統(tǒng)壓力正常，壓力繼電器PV動作，原位指示燈HL1亮。

將工件放在工作臺上，按下起動按鈕SB，夾緊電磁閥YV1得電，液壓系統(tǒng)控制夾具將工件夾緊，與此同時控制凸輪電動機(jī)M2得電運(yùn)轉(zhuǎn)。當(dāng)夾緊限位SQ4動作后，表明工件已被夾緊。

起動鉆孔動力頭電動機(jī)M3，且由于凸輪電動機(jī)M2運(yùn)轉(zhuǎn)，控制凸輪控制相應(yīng)的液壓閥使鉆孔滑臺前移，進(jìn)行鉆孔加工。當(dāng)鉆孔滑臺到達(dá)終點時，鉆孔滑臺自動后退，到原位時停，M3同時停止。

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 【   黃工】

  【品質(zhì)超群廈門莫格電氣自動化，    咨詢 】   

  【工控專家廈門莫格電氣自動化，    手機(jī)  】

  【工控專家廈門莫格電氣自動化，咨詢   】

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