Besparingsmodell för produktivitetshöjande arbete inom skärande bearbetningsteknik
The market is developing and a growing competition increases pressure on companies to maintain their competitive advantage. Working with cost savings is a way to enhance earnings in a short term but also in a longer perspective. Volvo Powertrain Production Köping has an overall goal; to reduce costs by nine percentages in three years. To achieve the goal, Volvo Powertrain Production Köping works with World Class Manufacturing where the Department of Processing Technology constitutes an important part.
Volvo Powertrain Production Köping lacks a standard for how savings within the metal cutting tool area are to be calculated. This makes it difficult to control and monitor their business outcome but it also causes difficulties in controlling the tool suppliers’ outcome. The suppliers’ outcome is later used as the basis in price negotiations which means that Volvo Powertrain Production Köping lacks information that can improve their outcome of a negotiation. The aim of the project is to increase understanding of how activities of processing technology affect productivity through a spreadsheet model.
Starting with a current status report and a literature review revealed that many companies are missing an hourly rate designed at machine level. There are theories saying that the machine hourly rate should be allocated for both producing state and downtime, which in subsequent interviews with other companies proves to be far from being reality.
Collected information was analyzed and a model was developed. The model has been tested in two improvement projects and the outcome has been compared with existing calculations from tool vendors. The result of the thesis is a standardized savings model with a machine specific hourly rate, taking into account both producing and downtime states. The savings model is based on the currently used Cost Deployment system. The proposed spreadsheet will monitor the outcome of tool suppliers which will result in a better control of cost savings and price negotiations.
The savings model is not solely for savings calculations; the model also helps the user to understand how different parameters affect the cost of manufacturing. The expectation is to increase cost awareness and reduce the risk of sub-optimization in Volvo Powertrain Production Köping´s operations.
The developed hourly rate is not specific to processing technology but the entire company can benefit from the spreadsheet. From a wider viewpoint, the model is applicable to manufacturing companies that have a detailed loss monitoring system similar to Cost Deployment.
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