Industrial Engineering & Management

Hiroshi Ezawa

Publications

• Research Article
  Reduction of Excessive Trimming and Reject Leather by Integration of 7 QC Tools and QC Story Formula: The Case Report of Sheba Leather PLC
  Author(s): Haftu Hailu, Hideki Tabuchi, Hiroshi Ezawa and Kassu JilchaHaftu Hailu, Hideki Tabuchi, Hiroshi Ezawa and Kassu Jilcha
  
  At the present time most of Ethiopian leather manufacturing industries are facing tough competition globally due to deteri-orated quality of leather. Clearly known that poor quality results in increasing manufacturing cost. Lastly, the industry becomes unprofitable. In addition, the industries are forced to lose their customers. Sheba leather Industry PLC is one of Ethiopian leather manufacturing industry facing this problem. So, the purpose of the project is to decrease extreme trimmed and rejected leather, to introduce a system that is capable of solving the problem, to expand findings to other sections of the industry. There was a problem of trimmed and rejected skin leather at re-tanning and crust preparation section. 14,879.92 kg of trimmed skin leather and 8,164 pieces of rejected leather. The problem solving methodology approach was used during the project work to reduce both t.. Read More»
  DOI: 10.4172/2169-0316.1000223

  Abstract PDF