Abstract
In the automotive industry, lean projects and innovation creation come to life by being updated under the control of systematic interdisciplinary process flows. The lean product development process that changes the shell, defined under the light of the variables created by the competitive conditions, is today measured by the value flow efficiency and the global market spread of the final product. Consequently, the lean product development approach, which aims to identify and purify all the wastes that do none value or create value to the system or cause burdens in the new product development process, is shaped by step-by-step approvals in the flow. In the main automotive industry company practices within the scope of the research (3 national, 3 international), the beginning of the concept of lean in design is to define and optimize the steps in the product development process under the value stream map. Therefore, the product function for which the customer has paid for, the function of the new product or the physical structure used to meet the needs in question, the comfort, life, experience, innovations of the scope that constitute the new product concept are planned and verified and implemented in the simplified automotive design stages at the beginning of the lean product development process. In this research, initial automotive design objectives and stages are at the focal point of the innovation and added value creation brought by the concept of “lean” approach. The research is modelled on the determination of steps that do not create added value together with the points where the flow circuits’ or stems, the process is devalued, the interdisciplinary holistic studies intensify, the information and delay begin and end in the sequential and simultaneous design validation step transition stages, which are examined under the lean approach. As a visual and virtual tool that enables the elaboration of nominal values such as the total duration of the design verification stages and the influence of interdisciplinary stakeholders or the test level of the product design with the new product added, it reveals the value flow or losses. Hence research; from innovation creation and new product design steps, which constitute the initial stages of the lean product development process, to design verification analysis, the efficiency of the automotive company processes within the scope of the research has been measured by comparing using lean automotive design techniques, methods and concepts.
Highlights
Computation of add-value creation that requires purification (Muda) and lean approach in each phase of the process of designing and developing new products in the automotive industry is revealed by the pure optimization of the design verification structure under the cause-effect relationship of defined basic stages [1] [2] [3]
The value stream map of lean product development that constitutes the design verification-oriented approach: the approach questioned throughout the basic design stages, which is essential for each new product piece, group and subsystem, includes the distinction of activities and parts that create or do not create added value [3] [4] [5] [6]
The time variable, which is of great importance in terms of the simplification of the cost, the fact that the stages are at half the value compared to the global automotive industry companies’ due to the missing or not used, the new product created with insufficient information leads to losses instead of gains in the market spread
Summary
Computation of add-value creation that requires purification (Muda) and lean approach in each phase of the process of designing and developing new products in the automotive industry is revealed by the pure optimization of the design verification structure under the cause-effect relationship of defined basic stages [1] [2] [3]. The advantages of lean product development can be listed as value follows [12]: 1) As the product development performance can be seen, with the increase in value innovation, the competitive power of automotive industry companies in terms of production, sales and profitability increases; 2) In basic development processes, the control of variable costs or the optimization of fixed quotation and most importantly, all of the design capabilities benefit especially in the sustainable development of innovation and decision-making mechanisms, with satisfactory results in development periods in terms of stage workloads, design responsibilities, vehicle safety or expenditure flow; 3) Along with the design processes suitable for mass production of automotive industry companies, it realizes new product and production integration transformation in technical innovation approaches and profitability in the development of after-sales parts or new functions; 4) In the systematic product development processes of automotive industry companies, the optimization of automotive design and scheduled engineering time is supported by questioning the radical value creation of stage-confirmation or verification (design verification) variables; 5) Along with the customer-oriented product, which is the goal of simplification, it is the cost-oriented efficiency created by the functions integrated into the product used by the customer, and even the privilege of obtaining the increasing product quality or reduction key process approaches. In order for the stage definitions in value creation to be meaningful, it is necessary to create an expression in a certain unit that meets the customer-oriented product-cost variables [5] [6]
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