SMED for Quick change over

Phương pháp SMED-Chuyển đổi nhanh NGUYỄN NGỌC HIỀN Abstract: One of the improvement tools in manufacturing defining an unique feature of the Toyota Production System is Quick Change Over, well known as the Single-Minute Exchange of Die (SMED). Reducing changeover time is a major objective of this approach by distinguishing between internal activities & external activities, and thereby providing improved measures for those activites to dwindle the total changeover time. For this post, readers will be added a practical example of the application of the…

Re-engineering Dust Collector in EVA polishing process in Shoes Manufacturing

Nguyễn Ngọc Hiền Abstract: Not only is the data analysis important in operations excellence, but the engineering mindset and thinking play a crucial role to put an end on the problem as well as maximize the effectiveness and efficiency of concerned processes. The following example is a typical design-engineering problem in shoes manufacturing processes; specifically, EVA polishing process, which existed for years and caused a significant loss on quality and financial measures of the company. Before any improvements were made, the byproducts in form of…

OEE Methodology for Footwear Production Line

Phương Pháp Tính OEE Trong Lĩnh Vực Sản Xuất Giày Nguyễn Ngọc Hiền Abstract: OEE, overall equipment effectiveness, is an ubiquitous terminology as a metric in Lean and TPM (total productive maintenance). Methodology for calculating OEE is pretty general with the rusult of production of 3 components – Availability, Quality, and Performance [1]. Because of the generality, I want to share the way to calculate the OEE that is applied specifically in footwear production lines, including Cutting + Stitching + Assembling. Tóm tắt: OEE, overall…

Ubiquitous KPIs in Footwear Industry

Các Chỉ Số KPIs Thông Dụng Trong Lĩnh Vực Sản Xuất Giày NGUYỄN NGỌC HIỀN Abstract: If you want to maintain, develop and improve an operational process, firstly you have to know how well the process is operated in comparison to the enacted targets. If you are an process engineer or footwear production line leader, you probably are very familiar with the following Key Performance Indicators, if not, some of them are your new knowledge. Tóm tắt: Nếu bạn muốn duy trì, phát triển và…

Application of ANOVA: A case study in Footwear manufacturing

Ứng Dụng ANOVA Trong Cải Tiến Chất Lượng NGUYỄN NGỌC HIỀN Abstract: ANOVA stands for ANalysis Of VAriance. ANasdasdasdt. The following post will show you the practical implementation of One-Way ANOVA analysis in testing the heating temperature on the surface of shoes’ outsole Tóm tắt: ANOVA là viết tắt của từ ANalysis Of VAriance. ANOVA là một phương pháp thống kê nhằm trình bày các bằng chứng về sự khác biệt giữa các nhóm quan sát về một hoặc một số thuộc tính hay đặc…

Daily Lean Management-Tier Meeting (Part 1)

Hệ Thống Quản Lý Lean-Cuộc Họp Các Cấp NGUYỄN NGỌC HIỀN Abstract: Operating a manufacturing system not only focuses on 4M management (man, materials, machines, and methods) and E (environment) but control production information flows. The information can be provided by operators, intermediate managers, or senior managers under the form of notification, issues or improvement ideas. By designing and implementing Tier Meeting, the flow of information can be recorded and feedbacked in a Lean systematic way, resulting in enhancing the process of problem solving. Tóm…