下請工場の配置構造に関する諸問題--車輌産業の場合
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概要
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The author, having investigated geographically the first subcontract plants of the Daihatsu Manufacturing Company, of Ikeda City, Hanshin District, has made here a summary of various findings. Data for investigation of the second and the third subcontracted works, however, are undergoing a searching examination.Regarding the distribution of subcontract plants, the formulas such as mean value x=x1+x2+……+xN=1/NN∑xi, dispersion S2=(x1-x)2+(x2-x)2+……+(xN-x)2/N=1/NN∑(xi-x)2, standard deviation S=√S2were provided for. As a result of the geographical situation where the city of Ikeda stands, these formulas were not useful in illustration of the distribution structure in the subcontract factories. So, by using the dependence and subordination between the Daihatsu assembly plant and the plants of orders as a classification indicator, the plants designated for construction were distinguished from the other general factories of the same kind. They formed a connection with the Daihatsu, Manufacturers of vehicles, have two accumulation areas: one is an automobile manufacturing plant area on Higashi yodogawa-Ku, where machine tools and molding business relations are distributed: the other is an area in Taisho, Higashinari and Ikuno-Ku where the riveting and the plating business is distributed 24km. from the parent company through autoroads.As might have been expected, at present, it had not been taken account that all kinds of profits would be arising among their subcontract plants from factory interrelationship because of the accumulation areas. Because of their small sum of capital industrialists of medium, small and smaller enterprises are obliged to be engaged in the subcontracted works, And especially, it must be emphasized, in the subcontracted works of rivet business, this subordinate relation is as clear as daylight. Thus the co-existence comes between the subcontracted works and the wholesale trades. The consequence is that these works have a defective competition with one another and with the wholesale trade.In the distribution of subcontract plants, in machine business relations, three striped zones are forming in the Hanshin District; they are (1) area of smaller capital plants distributing within 10 kilometer zone from the Daihatsu parent company; (2) mixed zone with smaller, small, and medium capital plants in 10-25 kilometers; and (3) zone of medium capital plants distributing on 25 kilometers and over.Establishments of the molding business relations are selected in proportion to the distribution numbers observed on the other general molding factories of the same nature which have no connection with the Daihatsu assembly plant. However, we could not make a survey of these kinds of the molding business plants in and around Ikeda City. Each establishment of subcontracted works forms a part of the parent company, in the point of assembling business. As a rule, the choice of the subcontract plants in each outside product is prevalent and popular by the initiative of the parent company, but there are exception in some cases. The limitations of growth in the subcontract industries are brought about according to the integrated expense and technical achievement. Continuous order business relations with the parent company, which do not have any guarantee for its subcontract plants, retarded the accumulation of the subcontract plants toward the neighbor of Ikeda City.
- 人文地理学会の論文