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wood-computer-shop-design-pdf Most recently, the use of CNC and laser-engraving machines has gained notice among those with a penchant for creative design using wood and other materials. The findings are useful in serving as a good example for SMEs, which do not normally apply scientific approaches to enhance their production, to review and implement industrial engineering and management tools to improve their performances. Solutions obtained were found to provide not only a safer shop floor but also significant reductions in material handling cost, waste, need for large capital investment and the number of lift-trucks needed on the shop floor. Cost-wise, a laser-engraver can run even higher than a CNC machine, something to consider when looking at how and how often you intend to use the machine, whether for a hobby or for a cutting wood computer shop design pdf engraving business. Skip to main content. Note that the manufacturers provide extensive educational services and technical support to help you achieve various tasks wood computer shop design pdf designs.

It was shown that formal layout modeling approaches can be effectively used, leading to significant improvements. As part of a productivity improvement program to a local furniture manufacturing factory, study was undertaken to review work process, improve process operation, and optimize layout design of the furniture production lines.

In this work, motion and time study was used to study the process and many configurations to develop the process. Cause of furniture process is analyzed using seven QC tools.

Line balancing was the tools that manage processes to the lowest bottom neck. Improved design will reduce production time, distance and the work instruction, as well as improve material handling and throughput. MethodologyThis section describes participated company, its process, and analysis methods involved in improvement of its productivity.

Case StudyA real case scenario from a local furniture manufacturing company in Chiang Mai, Thailand was studied. The Company is a leading wood furniture manufacturing company, engrossed in design development, production, and trade furniture industry. The Company manufactures a number of different products, such as tables, chairs, book shelves, doors, windows, structure frames, etc.

These products are made from many types of woods available locally such as Cassia garettiana, Lagertroemia, Pine tree, Delbergia sisoo, and variety of teaks and timbers. All furniture products follow similar sets of operation. Parts are produced internally in batches of various sizes in scattered areas. Movement of parts generates problems such as work in process, missing parts, shortages, bottlenecks, and wrong placement.

Each product goes through about 8 operations. Each assembly can be broken down into a number of subassemblies. Each subassembly operates independently, going through a fixed set of operations. From general observation, it can be seen that facilities of current layout are not placed according to the sequence of operations.

Process OverviewIn this work, manufacturing of wooden table was considered, because its production volume represented the largest in the company. At first, general conditions in the working areas were considered. Operating procedure and plant layout from the first until the finishing steps were closely looked into.

Production subsystem of this particular product includes i material preparation from raw material storage to carpentry work area, ii wood cutting to required sizes, iii checking if the size in accordance with specification, rubbing and polishing, iv joint and connection making, v initial inspection for defects and repair, and trimming if necessary in trimming and shaping area vi to paint work area for coloring and coating with protective paints, vii assembly, and viii final inspection before handing to customers.

It could be summarized as a process flow chart in Fig. Analysis and SimulationProduction lines were visually examined. Line balance sheet was studied. Floor managers and operators were interviewed. Data aided in developing the layout and process flow was gathered. Typical working time was evaluated. Motion and time study was adopted to analyze the current working procedure by means of investigating production and flow charts to identify potential problems.

Motion and time study can lead to reduction of redundant operations, and elimination of repeated steps, eventually resulting in reduced operations step and average time. Another technique used was layout design. When redesigning the plant layout, several alternative solutions were developed to improve working procedure and plant layout using ARENA program.

Simulation was carried out to suggest improved layout that increases performance and decreases the length for overall movement or working distance.

Results and DiscussionThe results were presented into two parts. The first one was the analysis of flow process chart using the concept of motion and time study. With existing layout, decreased number of activities and assembling time are the main result from the first part.

Improved movement distance and overall assembling time after adjustment of plant layout are obtained. Flow Process ImprovementAnalysis of flow process chart was conducted. All activities of wooden table manufacturing were examined for existing plant layout, shown in Fig.

From the diagram, data was collected by measurement of working time in each production step. Production diagram was analyzed to show production procedure or working method from the beginning to the end of production lines. From the existing production diagram, it was found that the current production procedure consists of 48 steps, divided into 27 working steps, 2 storage steps, 6 waiting steps, 2 inspection steps, 11 transportation steps, with overall working time of about min.

Waiting times during the process were reduced by moving products in each step to the next process immediately. Redundant, repeated operations and non-value-added activities were identified.

The existing process flow was revised and rearranged by removing these steps, with consultation from floor managers to ensure that delayed processes were minimized.

Improved flow process was proposed, as shown in Fig. It was demonstrated that number of activities can be decreased from 48 to 38 steps, reducing average operation time by This was a long distance to move. The facilities of the current layout are not positioned according to the sequence of operations. Hence, there is discontinuity in flow of materials.

This clever space provides a place for the whole family to gather and work on projects together. Plus, abundant storage options keep supplies from cluttering your house. Sketch out your next project on a smooth glass surface that tilts to a comfortable angle. Two drawers corral all your drawing supplies.

Whether you prefer to stand or sit while working, this unique desk can adjust to suit your needs. This heirloom design gives a modern home office both style and function. This desk features a huge worksurface and lots of storage. One of the handiest features is a removable panel for computer ventilation and wire access.

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