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The Role of Manufacturing Process Design in Technology Commercialization
Published in Harriet B. Nembhard, Elizabeth A. Cudney, Katherine M. Coperich, Emerging Frontiers in Industrial and Systems Engineering, 2019
Brian K. Paul, Patrick McNeff, Sam Brannon, Michael O’Halloran
The engineering specification provides the first and most obvious set of manufacturing process requirements. The product designer converts the functional requirements of the product into a set of material and geometric specifications communicated as engineering drawings and models. Engineering drawings are typically organized into a set of assembly, subassembly, and component drawings showing the mechanical relationship of each component to one another. Further, the engineering specification will include an engineering bill of materials which describes the parts, part quantities, and material specifications necessary to build and assemble the component. The material chosen will often be the cheapest that meets the design requirements for mechanical rigidity and any product-specific material properties, such as thermal properties or oxidation resistance.
Vendor Selection and Vendor Cost Verification
Published in Anoop Desai, Aashi Mital, Production Economics, 2018
As we have discussed in the previous section, the request for quotation document contains the following details: Engineering bill of materials, specifications, and designsFinal date for the completion of the estimateQuantity to be produced, production rate, and production scheduleDetails of any special test to be performed, inspection, and quality control requirementsAny special packaging and shipping instructionsMarketing details and related information
Rationalizing the Inventory
Published in John E. Madigan, Todd C. Maher, Mohammad Ali, Lean for the Cash-Strapped Leader, 2017
John E. Madigan, Todd C. Maher, Mohammad Ali
Kanban or, stocked inventory, can be one of two types. It can be an end-item part number (commonly referred to as an “SKU”) kept on-hand, whose stocking levels are based on historical data and which ships immediately to a customer. It can also be a component or raw-material part number that goes into the stocked end item, or it is a critical component (due to pacing item lead time) part number stocked to reduce overall product delivery lead times for MTO orders. Where the finished-goods stocking levels and part numbers are determined by reviewing sales shipment data, at the component level, the inventory levels are also determined by reviewing usage data history, multiplied by the “where used” engineering bill of materials information. For custom orders requiring non-stocked (non-kanban) part numbers, confirmation from the vendors on lead times is required per occurrence of order.
Design of intelligent manufacturing system based on digital twin for smart shop floors
Published in International Journal of Computer Integrated Manufacturing, 2023
Mengke Sun, Zongyan Cai, Ningning Zhao
PLM system manages product information in the whole life cycle, mainly including design data management of 3D CAD and CAPP systems, product parts, bill of materials (BOM) management and workflow management tasks. The design MBD model contains parts information, product structure information and assembly constraint information. Among them, product structure information is usually expressed by engineering BOM (EBOM) issued by design department. The common text forms of EBOM include product list, pattern catalogue, material quota list, etc. The relationship between the specific features of assembly objects established by assembly constraint information is the basis of process planning. The process MBD model mainly includes some assembly information such as process route information, assembly information and operation information. Process route information refers to the operation sequence of material processing and parts assembly, which is usually expressed by process BOM (PBOM). PBOM includes process planning, process information, etc. As the core of process MBD model, procedure MBD model carries most of the information related to process design process. Procedure MBD model includes geometric information and non-geometric information, among which non-geometric information includes material properties, technical requirement and process information.