USING HEIJUNKA TECHNIQUE IN A PLANNING PROCESS OF AUTOMOTIV ASSEMBLIES PRODUCTION

Cilj diplomskega dela je poiskati in preveriti ustreznost metode s pomočjo katere bi lahko planirali proizvodnjo v kovinarskem podjetju z čim manjšimi zalogami končnih izdelkov. V diplomskem delu smo ugotovili, da je rešitev našega problema vpeljava Heijunka tehnike. Planiranje in vodenje proizvodnje z rešitvami, ki jih ponuja Heijunka tehnika vodi uporabnika do zmanjšanja zalog končnih izdelkov brez ogrožanja dobav kupcu. Učinek zmanjšanja zalog se zaradi uporabe Heijunka tehnike prenese tudi nazaj po procesu. Največji učinki so doseženi tam kjer je tok materiala mogoče spremeniti v enokosovni. Na tak način se izognemo zalogam podsklopov. Tam kjer to ni možno imamo na razpolago orodje, ki se imenuje sekvenčnik in s pomočjo njega določamo čakalno vrsto in izdelavo podsklopov na stroju z izmenljivimi orodji. V našem primeru je preskusna obratovalna doba prinesla pozitivne rezultate in potrditev o pravilnem pristopu k reševanju problema. The aim of this undergraduate thesis is to look for and examine the adequate method of planning the production process in the metal equipment enterprise, in order to reduce the quantity of the stocks of the final products. In the following undergraduate thesis we discovered that the solution to the mentioned problem is to introduce the technique of the Heijunka. The planning and leading of the production process, suggested by the technique of the Heijunka, leads the user to reduce the quantity of the stocks of the final products, without interrupting customer's buying supplies. The biggest effect is established, where the flow of the material can be changed in to the one piece flow. Doing it this way, we avoid high stocks of the subassemblies. Where the described procedure is not sufficient, we are supposed to use the so called sequencer. It establishes the queue state line and production of the subassembly on the machine with the exchangeable tools. While we had been testing the mentioned technique, we came to the conclusion that the discussed approach gave positive results. Furthermore, it gave the approval to the appropriate approach in order to solve the mentioned problem.