Aug 2026· Suranaree Journal of Science and Technology· Vol 33· 0 citations
Abstract
This study focuses on analyzing and improving the process capability for waste reduction in an automotive parts manufacturing plant. A cause-and-effects diagram was employed to investigate and identify the root causes of defects. Process capability analysis was then applied to evaluate the effectiveness of improvements of the Work Procedures. The initial defect rate was 2.9 percent, consisting mainly of surface scratches, dents, discontinuous surfaces, and poor surface finishes. The primary causes were inappropriate insert selection and cutting direction, leading to inadequate tool strength and premature wear. Prior to the improvement, the process capability index (Ppk) was 0.67. After implementing the proposed improvements, the three-step modification process includes altering the cutting tool path direction, adjusting the feed rate, and changing the cutting insert. The defects were completely eliminated, tool life was significantly extended, the process capability index increased to 1.39, and production costs were reduced by 5.10 percent
This study focused on reducing waste in rubber powder production using Lean Manufacturing tools and improving process cycle efficiency. A quantitative case study was conducted at PT Perkebunan Nusantara IV Region 1, Gunung Para Plantation, North Sumatra, Indonesia. Waste was identified using the types-of-waste framewor...
D. Irwansyah, Diana Khairani Sofyan, Muhammad Ashraff· Industrial and Domestic Wast...· 0 citations
Low machine effectiveness can reduce production efficiency through equipment failures, lengthy setup activities, speed losses, and product defects. Previous studies have generally examined machine effectiveness and lean manufacturing separately, leaving limited discussion of their integrated use to identify operational...
Roma Wibero, Hernadewita· Greenation International Jou...· 0 citations
High shrinkage-related defect rates in aluminum die casting reduce effective production capacity. They also create energy-intensive re-melting loops, which weaken production planning reliability and environmental performance. This study examines how Green Lean Six Sigma can stabilize a resource-constrained Small and Me...
Purpose: The aim of this article was to develop and validate a model for identifying and
eliminating motion waste in a selected production process using Lean Manufacturing
principles. The paper also proposes a set of key performance indicators (KPIs) to support the
measurement, monitoring, and continuous improvement...
K. Czerwińska, A. Pacana· Scientific Papers of Silesia...· 0 citations
Manufacturing industries face increasing challenges related to material waste, inefficient resource utilization, process variability, and rising operating costs. This study develops an integrated Lean Six Sigma framework for reducing waste and improving resource efficiency in manufacturing by combining Lean Manufacturi...
Tushar Bagade, Chinmay Kurambhatti· International Research Journ...· 0 citations
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