Explosion bills of materials of products in information systems of a production enterprise
The paper presents algorithms for the listing of information on bills of materials for assembled products. Bills of materials were distinguished into explosions: single-level, multi-level and aggregate. Bills of materials were developed using the concepts of the master and slave components. Proposed algorithms for information gathering may be cod- ed in selected programming languages and in this form used in data bases supporting pro- duction management processes in industrial enterprises manufacturing assembled prod- ucts. Application of algorithms was illustrated using an example of a furniture product.
A Study of the Performance Improvement of Bill of Material Document Sign Flow System
Due to information and network communication technology have a great improvement; electronic management flow system already can be easily implemented. It operates sufficiently with members in-groups and enhances total operational efficiency, flexibility, lean and agility of enterprise. Electronic management flow system has some important properties: information transfer, automatic flow and operation management and control. Those properties can help company to reduce cost, shorten lead time, increase productivity, and achieve a good total quality management (TQM). In the same time, it also can help company to create business competitive advantage. This study focused on the performance improvement of bill of material (BOM) documentation sign flow in A-company. To enhance efficiency and effectiveness of BOM documentation sign flow, A-company passes through information department to integrate relative documents sign of other departments to make an electronic sign program to achieve cost reduction and speed-up efficiency of BOM document sign since 2005. This case uses BOM document release to study the benefits of electronic documentation sign in product engineering department.
Manufacturing bill-of-material planning
The bill-of-material BOM in the machine tool industry takes two different forms in design and manufacturing functions: Engineering BOM E BOM , which is used by the design engineer to represent designed product structure; and manufacturing BOM M BOM , which is used by MRPII system for MRP explosion. The designer constructs the E BOM after the product has been designed. Next, the E BOM is transformed into the M BOM by considering assembly sequence and constraints. Constructing a M BOM simply involves compressing the E BOM into a three-level M BOM. Planning of a M BOM still depends primarily on the experience input of a manufacturing engineer and is performed manually. This trial and error and time consuming approach creates an inconsistent method for planning the M BOM. Therefore, in this study, a three-stage M BOM planning method is developed. Stage one plans the initial M BOM, stage two improves the M BOM and stage three tunes the M BOM. Concepts and algorithms of each stage are highlighted in this study....