1746-OAP12
1746-OAP12
1746-OAP12
MES制造执行系统主要用来解决整体优化中,生产计划与生产过程的脱节问题——这一问题长期以来不仅直接影响企业的生产效率,而且成为制约现代企业内部信息集成和企业之间供应链优化的瓶颈。 MESA国际联合会对MES的定义是:MES能通过信息的传递对从生产命令下发到产品完成的整个生产过程进行优化管理。当工厂中有实时事件发生时,MES能及时对这些事件做出反应、报告,并用当前的准确数据对它们进行约束和处理。 目前,MES关键技术的发展都己至相当成熟的地步,要开发一个MES就制作技术而言,并不是问题,困难的是如何订出系统功能规格,及如何成功地使用MES以发挥它的功能。 所遇到的困难大致可分为下列几项: (1)工厂本身尚未有完整的制度,人员流动性大,组织变更也大,前者定的规格,制作完成后,变更负责人员,其规格也随之改变。 (2)MES在国内研发才刚起步,各制造业尚缺乏成功的范例,也缺少专业的实施公司,对其没有正确的观念与认识,推行信心及决心不够。 (3)工厂性质多属少量多样,订单式生产型态,生产现场多混乱,经常有例外状况,作业上较难配合。 (4)要达到实时精确的监控管理功能,须现场作业人员充份的配合,一般而言,作业人员忙于生产,较难要求其确实输入数据。而一般MIS或ERP系统多是on-line批次作业,而非 Real-time 作业,执行上较具弹性。 (5) MES 现场第一线管理者(如组长)可能难以正确理解MES导入的意义,反而因透明化使权力有被剥夺的感觉。 (6)一般人习惯于用笔记录,较不习惯Paperless 电子化作业。 (7)因MES 强调 real-time数据收集、监督及控制较诸一般数据处理的应用系统,其技术难度较高,须有专业计算机系统技术经验者才足以胜任。对使用者而言,此系统包含现场实时作业的软件、硬件,维护上也较困难些。
_________________________________________ 〖厦门光沃自动化设备有限公司 竭诚为您服务〗 〖联系人:欧工 〗 〖手机:18030229053(微信同号) 〗 〖QQ: 2479261344 〗 〖传真:0592-5709825 【价格】如此低价,仅此一家 【货期】大量现货,下单后即可发货 【质量】全新原装,进口*** 【保障】产品经过专业检测,质保一年,15天包退换 【品牌】Allen-Bradley罗克韦尔、ABB、本特利Bently 3500系统卡件、GE、艾默生西屋等模块卡件 ______________________________________________
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GIDDINGS & LEWIS 502-03786-00 NSFP 5020378600
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