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數(shù)控加工中心刀具庫控制.rar

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數(shù)控加工中心刀具庫控制,①頁數(shù) 23②字?jǐn)?shù) 4413③摘要 摘要:因原有的刀具庫控制方式過于陳舊、功能過于單一且智能度不高,刀盤只能單向轉(zhuǎn)動,效率較低并且指示燈設(shè)計不合理,對刀成功后沒有正確與否的提示。針對原有功能的的不足提出自己的改進(jìn)方法。對位成功的進(jìn)行指示燈閃爍提示,調(diào)取不是當(dāng)前工位的刀時,系統(tǒng)能根據(jù)調(diào)取刀號的大小自...
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數(shù)控加工中心刀具庫控制

①頁數(shù) 23
②字?jǐn)?shù) 4413
③摘要
摘 要:
因原有的刀具庫控制方式過于陳舊、功能過于單一且智能度不高,刀盤只能單向轉(zhuǎn)動,效率較低并且指示燈設(shè)計不合理,對刀成功后沒有正確與否的提示。針對原有功能的的不足提出自己的改進(jìn)方法。對位成功的進(jìn)行指示燈閃爍提示,調(diào)取不是當(dāng)前工位的刀時,系統(tǒng)能根據(jù)調(diào)取刀號的大小自動選擇最佳刀盤轉(zhuǎn)動方向,以提高取刀效率。
該論文就怎樣利用PLC來控制數(shù)控加工中心刀具庫進(jìn)行了調(diào)查,對其中軟件設(shè)計、硬件設(shè)計等問題進(jìn)行了分析和研究,實現(xiàn)了對數(shù)控中心刀具的控制。
我選用的是西門子ST7來實現(xiàn)數(shù)控加工中心刀具庫換刀功能[1]。換刀的具體實現(xiàn)要求:數(shù)控加工中心的刀庫在工件加工過程中,需根據(jù)加工工藝要求進(jìn)行自動換刀,刀庫中存放10把刀具供加工時選用。數(shù)控加工中心的換刀一般采用兩種控制方式,即固定存放換刀控制和隨機存取換刀控制。在固定存取換刀控制中,刀庫中各刀具的位置是固定的,刀具選擇指令是以刀套編號為存取地址來控制存取動作,即原來從哪一刀套編號中取出來的刀具,在使用完畢后仍歸還到那一刀套中。而隨機換刀控制中,還刀位置是隨機的,刀具選擇指令與刀套編號無關(guān),指令僅以刀具自身的直接編號為目標(biāo)。這種換刀方式在新刀具取出后,刀庫不需轉(zhuǎn)動,立即隨機存入原先的刀具,即換刀、存刀一次完成,縮短了換刀時間.
Abstract:
Tool Library for the original control method is too old or too feature a single, intelligent degree is not high, the cutter can only be a one-way rotation, and less efficient and light design unreasonable, after the success of the knife there is no right or wrong advice. Less than for the original function put forward its own improved method. Counterpoint to the success of light flashing prompt retrieva l of the knife than the current station, the system retrieved a knife according to the size of the numbers automatically choose the best cutter rotation direction in order to improve
the efficiency of taking out knives.
The paper on how to use PLC to control the CNC Machining Center Tool Library conducted a survey, of which software design, hardware design issues such as the analysis and study of numerical control center tools to achieve control.
I have chosen to achieve the ST7 Siemens CNC Machining Center Tool Library ATC
functions. A concrete realization of tool changing requirements: CNC machining center tool library workpiece processing, must be in accordance the requirements of processing technology Automatic Tool Changer, knives stored in database 10 when the choice of tools for processing. CNC machining center with ATC generally use two kinds of control mode, namely, fixed control and random access storage ATC ATC control. ATC in the fixed access control, tool magazine of each tool position is fixed, the tool selection command is a tool pocket number to access the address to control access to actions, that is, where the original number of knife sets knives taken out ,After using the knife sets of remains returned to go there. Randomly ATC control, but also a knife position is random, tool selection instruction and tool pocket numbers unrelated to the direct instruction only tool their own numbers as the goal. This way the new ATC tool removed, the tool magazine without turning to immediately randomly deposited in the original tool, that tool changing, keeping a knife in one step, shortening the tool change time

④目錄
目 錄

緒論 2
1、本系統(tǒng)硬件接線 3
1.1 電機主接線圖 3
1.2 PLC外接線圖 4
2、I/O配置 5
2.1 I/O配置表 5
3、刀具庫刀盤取刀示意圖 6
3.1機械手與調(diào)取刀具示意圖 6
4、本系統(tǒng)梯形圖設(shè)計 7
4.1 軟件流程圖 7
4.2順序功能圖 8
4.3 系統(tǒng)梯形圖 9
4.4 系統(tǒng)指令表 12
4.5 系統(tǒng)詳細(xì)工作原理 17
5、結(jié)論 18
參考文獻(xiàn) 18
致謝 19


⑤關(guān)鍵字
PLC,控制,換刀,工位
PLC; control,;tool changing; station,

⑥參考文獻(xiàn)
[1]廖常初主編.PLC編程及應(yīng)用.北京:機械工業(yè)出版社,2003
[2] 孫平主編.可編程序控制器原理及應(yīng)用.北京:高等教育出版社,2002
[3]李建興主編.可編程控制器應(yīng)用技術(shù).北京:機械工業(yè)出版社,2004
[4]高勤主編.電氣及PLC控制技術(shù),北京:高等教育出版社,2002
[5]賀哲榮.實用機床電氣控制線路故障維修.北京:電子工業(yè)出版社,2003
[6]賀哲榮.機床電氣控制線路圖識圖技巧.北京:機械工業(yè)出版社,2005
[7] 田瑞庭.可編程序控制器應(yīng)用技術(shù).北京:機械工業(yè)出版社,1993
[8]王炳實.機床電氣控制.第三版.北京:機械工業(yè)出版社,2004
[9]許謬、王淑英《電氣控制與PLC》機械工業(yè)出版社,2006
[10]方承遠(yuǎn)主編,《工廠電氣控制技術(shù)》(第3版) 機械工業(yè)出版社,2008