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Coils/material optimering för pressade artiklar VLU

Silverberg, Ylva (2012) MIO920
Production Management
Abstract
Problem discussion - Volvo trucks belive that their high number of coilsvariants is one of the reasons they have high costs for inventory and suffer from lack of space. Slitting is the first manufacturing process for some of the steel coils. It means dividing the coils into a number of narrower rolls. Scrap occurs in the slittingprocess and Volvo trucks would like to reduce the amount of scrap. The question of this thesis is how to reduce; the number of coils, the amount scrap, and the lack of space.
Purpose/Objective - The purpose of this thesis was to give a recomendation of how Volvo trucks could reduce; the number of coils, the amount scrap, and the lack of space.
Methodology - The thesis is situation at VLU today is mapped. The... (More)
Problem discussion - Volvo trucks belive that their high number of coilsvariants is one of the reasons they have high costs for inventory and suffer from lack of space. Slitting is the first manufacturing process for some of the steel coils. It means dividing the coils into a number of narrower rolls. Scrap occurs in the slittingprocess and Volvo trucks would like to reduce the amount of scrap. The question of this thesis is how to reduce; the number of coils, the amount scrap, and the lack of space.
Purpose/Objective - The purpose of this thesis was to give a recomendation of how Volvo trucks could reduce; the number of coils, the amount scrap, and the lack of space.
Methodology - The thesis is situation at VLU today is mapped. The ambition is predictive since the purpose was to give a recommendation how Volvo trucks could reduce their costs related to raw material. To evaluate the consequences of different approaches was a simulation model created. Through an inductive approach has the thesis lead to a method of coils optimization.
Conclusions/Recommendations – The analysis shows that there exists a great potential to reduce costs through coilsoptimization, witout any large investment. The optimization method in this report is helpful to reduce the number of coils variants. Fewer variants would give cost reductions through simplified administration and logistics of the coils. There are also potential to reduce the amount of scrap by calculate the coilswidth using a model based on the Cutting Stock Problem. The optimization method presented in this thesis would decrease the inventory levels of coils, but not the levels of secondary rolls from slitting. (Less)
Please use this url to cite or link to this publication:
author
Silverberg, Ylva
supervisor
organization
course
MIO920
year
type
M1 - University Diploma
subject
keywords
Coils, optimization, raw material, slitting, divergent production
other publication id
12/5408
language
English
id
2541124
date added to LUP
2012-05-16 11:52:07
date last changed
2012-05-16 11:52:07
@misc{2541124,
  abstract     = {Problem discussion - Volvo trucks belive that their high number of coilsvariants is one of the reasons they have high costs for inventory and suffer from lack of space. Slitting is the first manufacturing process for some of the steel coils. It means dividing the coils into a number of narrower rolls. Scrap occurs in the slittingprocess and Volvo trucks would like to reduce the amount of scrap. The question of this thesis is how to reduce; the number of coils, the amount scrap, and the lack of space.
Purpose/Objective - The purpose of this thesis was to give a recomendation of how Volvo trucks could reduce; the number of coils, the amount scrap, and the lack of space.
Methodology - The thesis is situation at VLU today is mapped. The ambition is predictive since the purpose was to give a recommendation how Volvo trucks could reduce their costs related to raw material. To evaluate the consequences of different approaches was a simulation model created. Through an inductive approach has the thesis lead to a method of coils optimization.
Conclusions/Recommendations – The analysis shows that there exists a great potential to reduce costs through coilsoptimization, witout any large investment. The optimization method in this report is helpful to reduce the number of coils variants. Fewer variants would give cost reductions through simplified administration and logistics of the coils. There are also potential to reduce the amount of scrap by calculate the coilswidth using a model based on the Cutting Stock Problem. The optimization method presented in this thesis would decrease the inventory levels of coils, but not the levels of secondary rolls from slitting.},
  author       = {Silverberg, Ylva},
  keyword      = {Coils,optimization,raw material,slitting,divergent production},
  language     = {eng},
  note         = {Student Paper},
  title        = {Coils/material optimering för pressade artiklar VLU},
  year         = {2012},
}