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Supply chain management involves the optimization of the way in which a company plans the production of goods or services, procures raw materials from various suppliers, manufactures the goods or services, delivers it to customers and handles returns. E-Manufacturing starts with an order for a product and then encompasses the entire manufacturing cycle of the product. Manufacturers need a highly responsive supply chain and manufacturing system to ensure that they meet the high expectations of their customers who, in today’s economy, demand absolutely the best service, price, delivery time and product quality. Manufacturing Execution Systems (MES) provide up-to-the-minute mission-critical information about production activities across the factory and supply chain via communications networks (e.g. Local Area Networks), resulting in the optimisation of activities throughout all aspects of the manufacturing process. MES accomplish this task by guiding, initiating, responding to, and reporting on plant activities in real time, by using current and accurate data. This rapid response to changing conditions, together with a focus on reducing non-profitable activities, lead to more efficient plant operations and processes. MES reduces cycle times, levels of WIP (Work In Progress), data entry time, paperwork and scrap. It also improves utilization of plant capacity, process control quality, arrangement of plant activities, tracking of orders and customer service. Implementation of MES invariably results in improved returns on production assets, on-time delivery, faster inventory turnover, larger net profits (through increased cost reduction) and improved cash flow. WHO SHOULD ATTEND? Business managers CEOs and CFOs E-commerce managers Finance managers IT managers Network and telecommunications managers Operations managers and engineers Production managers and engineers Senior process engineers Strategy managers MORE INFORMATION: http://www.idc-online.com/content/practical-fundamentals-e-manufacturing-mes-and-supply-chain-management-3
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Practical Fundamentals of E-Manufacturing, MES & Supply Chain Management
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Systems Development
• Process Control system evolution• Accounting systems evolution• Manufacturing Execution systems• Supply Chain Management systems
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WHY• Increased reliability for– Quality– Yields
• Increased throughput• Increased safety• Reduced human-error • Increased accuracy of measurement instrumentation
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Evolutionary steps
• Manual Control• Pneumatic controls • Sequential Relay controls• Basic Automatic Process Control– Analog– Digital
• SCADA/DCS (& HMI)• Advanced Process Control
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Manual Control
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Pneumatic
• Compressed air• Multi-directional valves• Effectiveness very dependant on original logic
design and air supply• Maintenance/change process difficult• Specialized skills required
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Sequential relay
• Control relay has to be changed for changing production requirement
• Mechanical devices hence limited life span• Troubleshooting time consuming in case of
multiple relay systems• Require frequent maintenance• High replacement (in case of changed
requirement) and maintenance cost
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Basic Automatic Controller
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Process measurement instruments
• Temperature Measurements - Thermocouples, Filled-system thermometer Pressure Measurements – Liquid column, Diaphragm and Strain gauge type
• Flow Measurements – Vortex-shedding and Ultrasonic flow meters
• Level Measurements – Float-actuated devices and Magnetically coupled devices
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Indicating Instruments
• Analog –Analog type indicators fall into two main categories, moving pointer and moving scale. These are deflection type devices, powered directly, pneumatically or electrically, depending somewhat on their proximity to the process and the nature of the measurement
• Digital –Electronic digital display is as accurate as the information fed to them. In addition, it reduce chances of mechanical malfunction and human reading error
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Recording instruments
• Analog – Graphic analog recorders may be grouped in accordance with the type of chart used, circular chart and strip chart recorders
• Digital – It is not used extensively in the process industries unless a digital-computer control system is used
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Micro-processor control
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Programmable controller (PLC)
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Supervisory Control And Data Acquisition (SCADA)
• It is purely a software package that is positioned on top of hardware to which it is interfaced, via Programmable Logic Controllers (PLCs) to graphically display control status
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Distributed Control Systems (DCS)
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Advanced Process Control
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Supply Chain Management (SCM) • SCM encompasses every effort involved in producing and
delivering a final product or service, from the supplier’s supplier to the customer’s customer
• SCM includes managing supply and demand, sourcing raw materials and parts, manufacturing assembly, warehousing and inventory tracking, order entry and order management, distribution cress all channels, and delivery to the customer
• SCM address complex interdependencies due to its wide scope; in effect creating an “extended enterprise” that reaches beyond the factory door
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Internal Supply Chain
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