CN201611446U - Screwing device assembly error prevention control system - Google Patents

Screwing device assembly error prevention control system Download PDF

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Publication number
CN201611446U
CN201611446U CN2009202302528U CN200920230252U CN201611446U CN 201611446 U CN201611446 U CN 201611446U CN 2009202302528 U CN2009202302528 U CN 2009202302528U CN 200920230252 U CN200920230252 U CN 200920230252U CN 201611446 U CN201611446 U CN 201611446U
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station
module
ipc
error protection
control
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CN2009202302528U
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Chinese (zh)
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兰泰昌
张俊
李巧凤
霍建辉
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东风康明斯发动机有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • Y02P90/04Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS] characterised by the assembly processes

Abstract

本实用新型提供一种装配线上拧紧设备防错控制系统,包括现场工位工控机、拧紧设备与工位停止器,现场工位工控机与中央数据库及输入设备连接,现场工位工控机的串行输出口通过转换器与防错控制PLC模块连接,防错控制PLC模块与拧紧设备、控制和显示面板、工位停止器连接。 Tighten the present invention provides an assembly line tightening device error prevention control system, including on-site station IPC, screwing device and the station stop, a field station IPC with a central database and input devices, field station IPC string line output port control module through the PLC converter and error protection, with error protection control module PLC tightening devices, the control and display panel, a stop station is connected. 现场工位工控机从输入设备读取发动机条码信息,向中央数据库发送发动机条码信息,接收中央数据库发来的该发动机在本工位的装机信息,并生成数据交换装机信息文本文件;防错控制PLC模块读取现场工位工控机发来的文本文件信息并显示;对拧紧设备发来的信息计数,将计数值与接收现场工位工控机发来的文本文件的相关信息比较,将比较结果输出,控制工位停止器的开关。 IPC-site station, transmitting bar code information input apparatus read the engine from the engine to the central database bar code information, a central database receiving incoming information is installed in the engine of the present station, and generates text files installed data exchange; error protection control PLC module reads the field station IPC sent to the text file information and displays; to tighten the device information sent by count, comparing information about the count value of the reception field station IPC incoming text file, the result of the comparison output, control of the stop position switch.

Description

装配线上拧紧设备防错控制系统 Screwing device assembly error prevention control system

技术领域 FIELD

[0001] 本实用新型涉及一种装配线上拧紧设备防错控制系统,特别是汽车发动机行业, 螺栓螺纹连接时拧紧力矩合格与否的一种防错技术。 Tightening control system error prevention apparatus [0001] The present invention relates to an assembly line, particularly in the automotive engine industry, screwing the bolt tightening torque qualified or not an error protection technique.

背景技术 Background technique

[0002] 发动机上较多的应用了螺栓及螺纹连接,为满足螺栓连接所需的拧紧力矩及夹紧力的要求,在发动机装配线上普遍使用了大量的拧紧机、电动扳手及机械扳手,原有的力矩扳手为可调定值力矩扳手,力矩值操作工可在力矩允许范围内任意调整;这种力矩扳手不具备防错功能,只是在力矩到位后发出"咔嚓"声音,装配现场由于存在一些噪音,对操作工判断螺栓是否拧紧到位存在一定的干扰,且力矩及螺栓是否完全拧紧靠操作工的责任心来保证,在操作工频繁流动、多品种混流生产的前提下,不利于质量控制,易造成螺栓力矩不足或漏拧紧现象,最终导致泄漏或螺栓的异常失效,造成用户抱怨或发动机性能上的缺陷。 [0002] Application of the engine more bolts and screwing, tightening torque to meet the requirements of the bolt and the clamping force necessary for connection, a number of commonly used screwing machine, electric wrench and mechanical wrench on an engine assembly line, the original some torque wrench is adjustable threshold torque wrench, the torque value of the torque to allow the operator may be adjusted within a range; such a torque wrench does not have error prevention function, just "click" sound at the moment in place, due to the assembly site some noise for the operator to determine the bolts are tightened in place there is some interference, and the torque and the bolts are completely screwed against the operator's responsibility to ensure that, in the frequent movement of operatives, under the premise of many varieties of mixed production is not conducive to quality control , could easily lead to insufficient bolt tightening torque or leakage phenomenon, eventually leading to abnormal leakage or failure of the bolt, causing defects or users complain about engine performance.

发明内容 SUMMARY

[0003] 本实用新型的目的是设计一种装配线上拧紧设备防错控制系统,控制拧紧设备与停止器,使拧紧设备操作必须拧完所有工艺规定的螺栓,数量正确并全部合格后才可以放行发动机,否则指示灯报警。 [0003] The present invention aims to tighten the device error prevention control system to design an assembly line, controlling tightening device and the stopper, so that tightening device operation must be screwed finished bolt, the number of correct and full after passing can be released all predetermined process engine, otherwise the alarm indicator.

[0004] 本实用新型的技术方案:本实用新型的装配线上拧紧设备防错控制系统包现场工位工控机、拧紧设备与工位停止器,现场工位工控机与中央数据库及输入设备连接,现场工位工控机的串行输出口通过转换器与防错控制PLC模块连接,防错控制PLC模块与拧紧设备、控制和显示面板、工位停止器连接。 [0004] The present invention technical solution: tighten the present invention an assembly line tightening device error prevention control packet field station IPC, screwing device and the station stop, a field station IPC with a central database and the input device is connected, serial output port field IPC control station PLC module connected through the converter with error protection, and error protection control module PLC tightening devices, the control and display panel, a stop station is connected.

[0005] 所述的现场工位工控机包括MES管理模块和防错系统管理模块,MES管理模块从输入设备读取发动机条码信息,向中央数据库发送发动机条码信息,接收中央数据库发来的该发动机在本工位的装机信息,并生成数据交换装机信息文本文件;防错系统管理模块读取装机信息文本文件并显示相关信息,控制防错控制PLC模块。 [0005] The field station IPC module comprising a management and error protection MES system management module, MES management module, the engine transmits the read barcode information to the central database engine bar code information from the input device, a central database receiving incoming of the engine in this station installed information, and generates text files installed data exchange; error protection system installed management module reads and displays information related to the text file information, the control PLC error protection control module.

[0006] 所述的防错控制PLC模块读取现场工位工控机发来的文本文件信息并显示相关信息;同时防错控制PLC模块接收拧紧设备发来的信息,通过拧紧力矩和控制系统预设力矩比较确定是否合格并计数,将计数值与接收现场工位工控机发来的文本文件的相关信息比较,将比较结果输出,控制工位停止器的工作状态。 [0006] The error protection control PLC module reads the field station IPC sent to the text file information and displays related information; the same error protection control PLC module receives screwed information tightening device sent through the tightening torque and the control system pre Comparative determine eligibility set torque and counted, the count value of the comparison information and the reception field IPC station sent a text file, and outputs a comparison result, control of the state of the station stop.

[0007] 本实用新型的优点:通过软件的设置识别与控制,结合外部硬件控制单元,将螺栓拧紧质量由人为的控制改为由输入设备输入相关信息后,设备自动选择相应的限制条件, 当所有的条件都满足后,工件才可放行,避免人为不清楚多品种混流生产的操作要求或疏忽造成的螺栓漏拧或力矩不足。 [0007] The present invention has the advantages: by providing identification and control software, in conjunction with external hardware control unit, the bolts are tightened by mass changed from artificially control the information input by the input device, the device automatically selects the appropriate constraints, when after all the conditions are met, before the release of the workpiece, to avoid operational requirements of mixed production of many varieties of human unclear or neglect leakage caused by screwing a bolt or insufficient torque.

附图说明 BRIEF DESCRIPTION

[0008] 图1是本实用新型的原理逻辑框图。 [0008] FIG. 1 is a logical block diagram of the principles of the present invention. 具体实施方式 Detailed ways

[0009] 本实用新型的装配线上拧紧设备防错控制系统包括现场工位工控机、拧紧设备和工位停止器,现场工位工控机与中央数据库及输入设备连接,现场工位工控机的串行输出口通过转换器与防错控制PLC模块连接,防错控制PLC模块与拧紧设备、控制和显示面板、 工位停止器连接。 [0009] tighten the present invention an assembly line tightening device error prevention control system includes field station IPC, screwing device and a station stop, a field station IPC with a central database and the input device is connected, the string field station IPC line output port control module through the PLC converter and error protection, with error protection control module PLC tightening devices, the control and display panel, a stop station is connected.

[0010] 现场工位工控机包括MES管理模块和防错系统管理模块,MES管理模块从输入设备读取发动机条码信息,向中央数据库发送发动机条码信息,接收中央数据库发来的该发动机在本工位的装机信息,并生成数据交换装机信息文本文件;防错系统管理模块读取装机信息文本文件并显示相关信息,并控制防错控制PLC模块。 [0010] IPC-site station includes a management module and an error protection MES system management module, MES management module reads the bar code information from the input device of the engine, the engine transmits the bar code information to the central database, central database receiving incoming working of the engine in the present Chassis information bits, and generates data exchange text files installed; error protection system installed management module reads and displays information related to the text file information, and controls the PLC error protection control module.

[0011] 所述的防错控制PLC模块读取现场工位工控机发来的文本文件信息并显示相关信息;同时防错控制PLC模块接收拧紧设备发来的信息,通过拧紧力矩和控制系统预设力矩比较确定是否合格并计数,将计数值与接收现场工位工控机发来的文本文件的相关信息比较,将比较结果输出,控制工位停止器的工作状态。 [0011] The error protection control PLC module reads the field station IPC sent to the text file information and displays related information; the same error protection control PLC module receives screwed information tightening device sent through the tightening torque and the control system pre Comparative determine eligibility set torque and counted, the count value of the comparison information and the reception field IPC station sent a text file, and outputs a comparison result, control of the state of the station stop.

[0012] 工作过程:发动机到装配位置后,首先用输入设备条码扫描枪读取发动机的流水号等条码信息到MES管理模块,从中央数据库中查询该发动机拧紧所需的相关信息,只有正常完成条码扫描并获取拧紧信息后才能开始拧紧装配操作,拧紧操作必须到位,直到达到设定的拧紧扭矩,并维持0. 5〜1秒钟左右的时间,以确保防错系统确认一次操作合格完成。 [0012] Working procedure: the engine to the assembly position, the first with a bar code scanner to read the input device serial number bar code information to the MES, and the like of the engine management module, relevant information of the engine is required to tighten the central database, only complete normally barcode scanning and obtain information in order to tighten the assembly operations begin tightening, tightening operation must be in place until the tightening torque set and maintain a period of about 0.5 5~1 seconds to ensure error-proofing system to confirm eligibility once the operation is completed.

[0013] 在防错系统管理模块上可以根据机型设置各个电枪的需要拧紧的合格数量,如果同一种机型由于安装了不同的零件导致不同的螺栓合格数量,则可以根据特殊的零件设置在软件程序上进行区分。 [0013] In the error protection system management module may set each model number of qualified stun gun requires tightened, because if the same type of component mounting different results in different number of qualified bolts, depending on the particular components may be provided to distinguish the software program.

[0014] 拧紧防错过程说明:发动机到达工位后,操作人员使用输入设备扫描枪扫描发动机条码,条码信息进入现场工位工控机的MES管理模块,MES管理模块向中央数据库发送该条码信息,中央数据库根据条码信息将该发动机在本工位的装机信息发送到MES管理模块的界面上。 [0014] Tightening proofing process Description: After the engine reaches the station, the operator using the input device scanner scanning engine bar code, the bar code information into the field station IPC MES management module, MES management module transmits the bar code information to the central database, sent to the central database management MES interface module in accordance with information of the bar code information is installed in the engine according to the present station.

[0015] >MES管理模块根据装机清单生成数据交换装机信息文本文件(储存为指定路径的以流水号和时间为标题的文本文件,其中包含流水号、机型、SO号、零件名称和零件代码等{曰息) [0015]> MES management module installed list generated based on the data exchange text files installed (stored as the serial number and the time in the title of the text file specified path, which comprises a serial number, model, SO number, part name and part codes {said other information)

[0016] >防错系统管理模块读取该装机信息文本文件的信息,并根据防错系统管理模块中设置好的机型号和辅助物料信息来确定该发动机在本工位需要拧紧的螺栓数量并将该信息通过现场工位工控机的串行输出口发送到防错控制PLC(由于通信协议不同,信息的传送需要通过一个RS232-485的转换器实现)。 [0016]> error protection system management module reads the information of the installed text file information, and determines based on the settings and auxiliary materials Model good error protection information management module system of the engine in the present number of bolts required screwing station and sends the information through the serial output port site station to the IPC error prevention control PLC (due to different communication protocols, transmitting information required by the converter to achieve a RS232-485).

[0017] >防错控制PLC在接收到电发送过来的数量信息后,对拧紧设备的合格信号进行记数,并在控制面板上显示单个合格和总合格等信息,当拧紧设备发出的合格信号数量达到装机信息文本文件记录的的数量后,控制面板上的“总合格”指示灯被点亮,同时,控制工位停止器的继电器吸合,工位停止器可以正常放行。 [0017]> anti error control PLC after receiving the power sent from the information on the number of qualified signals tightening device was counted, and display a single qualified and total qualified information on the control panel, when the pass signal tightening device emitted after the number reaches the number of installed recorded text files, control "total qualified" light is lit on the front panel, simultaneously, the control station of the relay stop, can stop station normally released.

[0018] >工位停止器的控制线路中串联继电器的常开触电,只有继电器由防错控制PLC 控制其吸合后工位停止器才能放行,如果继电器没有吸合,也就是“总合格”指示灯未被点亮的情况下,按下工位停止器放行按钮,此时控制面板上的报警灯会发出声光报警信号,同时,工位停止器无法放行,操作者必须按下“报警复位”按钮才能消除报警。 [0018]> station control lines stop in the series normally open relay electric shock, only the relay is controlled by the error-proofing PLC controls its pull-back station stop can be released, if the relay does not pull, which is "always good" the case where the indicator is not illuminated, and press station stopper release button and the alarm lamp on the control panel audible alarm signal, the station can not stop release, the operator must press the "reset alarm "button to cancel the alarm. 如果遇到不需要拧紧的特殊机型,则将控制面板上的“防错/放行”旋钮打到“放行”档,此时“单个合格”、 “总合格”和“报警”指示灯闪烁来提示操作人员此时是“放行”档位,在“放行”状态下,发动机可以正常放行。 If they do not need special models tightened, "error protection / release" control knob on the front panel will hit the "release" position, then a "single pass", "total qualified" and "alarm" indicator flashing at this time, the operator is prompted to "release" position, in the "release" state, the engine can normally be released. [0019] 本实用新型采用倒计数的防错方法,在控制系统中,预先设置了该工序各种机型的螺栓力矩和数量,将拧紧设备与工位停止器连接,采用PLC记数和指示灯指示的方式来监控操作工用力矩扳手和拧紧机拧螺栓的过程,拧紧过程中,通过拧紧力矩和控制系统预设力矩比对,如果超出预设力矩范围,系统报警。 [0019] The method of the present invention uses error protection count down, in the control system, and a pre-set amount of torque bolts various models of this step, the screwing device is connected to the station is stopped, and the count indicated by PLC light indication mode to monitor operator with a torque wrench during tightening and screwing the bolt machine, during tightening, by a preset torque than the tightening torque and control system, if the torque exceeds the predetermined range, the alarm system.

[0020] 本实用新型的核心是将现场工位工控机与中央数据库及输入设备连接,采用防错控制PLC模块将现场工位工控机、拧紧设备与工位停止器连接,由防错控制PLC模块控制和管理拧紧设备、控制和显示面板和工位停止器。 [0020] the present invention the core is connected to the field station IPC with a central database and the input device, using error protection control PLC module site station IPC, screwing device and the station stop, and controls the PLC by the error protection control and management module screwing device, and a display panel and a control station stop. 因此,凡是采用防错控制PLC模块与现场工位工控机通讯,实现控制和管理拧紧设备、控制和显示面板和工位停止器的,均属于本实用新型的保护范围。 Therefore, any use of error protection control module and the PLC field IPC communication station, to realize the control and management screwing device, and a display panel and a control station of the stopper, are within the scope of protection of the present invention.

Claims (3)

  1. 一种装配线上拧紧设备防错控制系统,包括现场工位工控机、拧紧设备和工位停止器,其特征在于:现场工位工控机与中央数据库及输入设备连接,现场工位工控机的串行输出口通过转换器与防错控制PLC模块连接,防错控制PLC模块与拧紧设备、控制和显示面板、工位停止器连接。 Screwed on one kind of an assembly line tightening device error prevention control system, including on-site station IPC, screwing device and a station stop, characterized in that: the string field station IPC with a central database and input devices, field station IPC line output port control module through the PLC converter and error protection, with error protection control module PLC tightening devices, the control and display panel, a stop station is connected.
  2. 2.根据权利要求1所述的装配线上拧紧设备防错控制系统,其特征在于:现场工位工控机包括MES系统模块、装机信息文件模块和防错系统管理模块,MES系统模块的输入端与输入设备连接,MES系统模块的输出端与装机信息文件模块连接,装机信息文件模块与防错系统管理模块连接,防错系统管理模块通过RS232-458转换器与防错控制PLC模块连接。 The screwing device assembly error prevention control system according to claim 1, wherein: the field station IPC MES system comprises an input module, and a module installed error protection information file system management module, the module and the MES system input devices, MES system module is installed with an output terminal connected to the module information file, the file information module installed and connected to the system management module error protection, error protection system management module through RS232-458 converters and PLC error protection control module.
  3. 3.根据权利要求1或2所述的装配线上拧紧设备防错控制系统,其特征在于:防错控制PLC模块的输入端还与拧紧设备连接,防错控制PLC模块的输出端与工位停止器和显示面板连接。 The screwing device error prevention control system on the assembly line of claim 1 or 2, characterized in that claim: error protection control PLC module inputs also with the tightening device is connected, the anti-output terminal station dislocation PLC control module stops and the display panel is connected.
CN2009202302528U 2009-11-24 2009-11-24 Screwing device assembly error prevention control system CN201611446U (en)

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Cited By (17)

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CN102520659A (en) * 2011-12-13 2012-06-27 广州信邦汽车装备制造有限公司 Self-learning leakproof assembling method
CN102723243A (en) * 2012-06-12 2012-10-10 上海交通大学 Misassembly preventive system for electrical product assembly
CN102854857A (en) * 2012-08-31 2013-01-02 中国重汽集团济南动力有限公司 Station state detection system and method of automobile assembly line
CN103334842A (en) * 2013-06-08 2013-10-02 东风康明斯发动机有限公司 Device and method for controlling electronic-controlled engine
CN103389678A (en) * 2013-07-30 2013-11-13 奇瑞汽车股份有限公司 Mistake-proofing system of vehicle filling equipment
CN104339316A (en) * 2013-08-05 2015-02-11 上海日野发动机有限公司 Mistake-proofing device, mistake-proofing method and mistake-proofing system
CN104408488A (en) * 2014-11-04 2015-03-11 无锡港湾网络科技有限公司 Engine two-dimensional code identification error proofing method
CN104571037A (en) * 2014-12-30 2015-04-29 广州汽车集团乘用车有限公司 Key torque assembling system
CN104551590A (en) * 2014-11-21 2015-04-29 南车青岛四方机车车辆股份有限公司 On-line detection system and method for assembly quality of bottom board and apron board of motor train unit
CN106020146A (en) * 2016-05-19 2016-10-12 中国重汽集团成都王牌商用车有限公司 Method preventing assembling error in automobile manufacture process
CN106054828A (en) * 2016-05-26 2016-10-26 北京新联铁集团股份有限公司 Rail traffic locomotive vehicle assembly bolt torque management system
CN106094746A (en) * 2016-06-08 2016-11-09 上海应用技术学院 A kind of automobile exterior product manufacturing performs system and method
CN106257364A (en) * 2015-06-19 2016-12-28 罗伯特·博世有限公司 The tool system with user's particular report of assembling facility and for its method
CN106644236A (en) * 2016-12-06 2017-05-10 中车长春轨道客车股份有限公司 Bolt torsion intelligent acceptance inspection method applied to motor train unit assembling process
CN106707988A (en) * 2016-12-07 2017-05-24 重庆微标科技股份有限公司 MES system for engine online assembly control
CN108415280A (en) * 2018-03-09 2018-08-17 天津英创汇智汽车技术有限公司 The method and apparatus that solenoid valve assembles mistake proofing
CN108608200A (en) * 2018-04-17 2018-10-02 广州汽车集团乘用车有限公司 Tightening control manages system and tightening control method

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102520659A (en) * 2011-12-13 2012-06-27 广州信邦汽车装备制造有限公司 Self-learning leakproof assembling method
CN102723243B (en) * 2012-06-12 2014-12-24 上海交通大学 Misassembly preventive system for electrical product assembly
CN102723243A (en) * 2012-06-12 2012-10-10 上海交通大学 Misassembly preventive system for electrical product assembly
CN102854857A (en) * 2012-08-31 2013-01-02 中国重汽集团济南动力有限公司 Station state detection system and method of automobile assembly line
CN103334842B (en) * 2013-06-08 2016-01-20 东风康明斯发动机有限公司 A kind of apparatus and method controlling electric-control motor
CN103334842A (en) * 2013-06-08 2013-10-02 东风康明斯发动机有限公司 Device and method for controlling electronic-controlled engine
CN103389678A (en) * 2013-07-30 2013-11-13 奇瑞汽车股份有限公司 Mistake-proofing system of vehicle filling equipment
CN104339316A (en) * 2013-08-05 2015-02-11 上海日野发动机有限公司 Mistake-proofing device, mistake-proofing method and mistake-proofing system
CN104339316B (en) * 2013-08-05 2016-09-07 上海日野发动机有限公司 Error prevention device and method and fail-safe system
CN104408488A (en) * 2014-11-04 2015-03-11 无锡港湾网络科技有限公司 Engine two-dimensional code identification error proofing method
CN104551590A (en) * 2014-11-21 2015-04-29 南车青岛四方机车车辆股份有限公司 On-line detection system and method for assembly quality of bottom board and apron board of motor train unit
CN104571037A (en) * 2014-12-30 2015-04-29 广州汽车集团乘用车有限公司 Key torque assembling system
CN106257364A (en) * 2015-06-19 2016-12-28 罗伯特·博世有限公司 The tool system with user's particular report of assembling facility and for its method
CN106020146A (en) * 2016-05-19 2016-10-12 中国重汽集团成都王牌商用车有限公司 Method preventing assembling error in automobile manufacture process
CN106054828A (en) * 2016-05-26 2016-10-26 北京新联铁集团股份有限公司 Rail traffic locomotive vehicle assembly bolt torque management system
CN106094746A (en) * 2016-06-08 2016-11-09 上海应用技术学院 A kind of automobile exterior product manufacturing performs system and method
CN106094746B (en) * 2016-06-08 2019-03-12 上海应用技术学院 A kind of automobile exterior product manufacturing execution system and method
CN106644236A (en) * 2016-12-06 2017-05-10 中车长春轨道客车股份有限公司 Bolt torsion intelligent acceptance inspection method applied to motor train unit assembling process
CN106707988A (en) * 2016-12-07 2017-05-24 重庆微标科技股份有限公司 MES system for engine online assembly control
CN106707988B (en) * 2016-12-07 2019-04-19 重庆微标科技股份有限公司 A kind of MES system for assembling control online for engine
CN108415280A (en) * 2018-03-09 2018-08-17 天津英创汇智汽车技术有限公司 The method and apparatus that solenoid valve assembles mistake proofing
CN108608200A (en) * 2018-04-17 2018-10-02 广州汽车集团乘用车有限公司 Tightening control manages system and tightening control method

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