Reprocessing Index for Automotive Co-Axial Swash Plate A5

Abstract

Recycling is a process that involves the three Rs (reduce, reuse, and recycling) of managing recyclable items such as paper, metal, glass, and plastic. An index system has been established to calibrate the level of processing reliability or cycle reliability with a specific metric that uses reprocessability index (RPI). The subject of this study is a unit of a co-axial compressor automotive air conditioning system that affects the shape, area, and volume of other units of the same system. The main objective of this study is to determine the component life cycle and to formulate recommendations for design changes with a controlled RPI level for the new automotive air conditioning compressor unit based on the original product. Analysis in this study is based on the value of R1, R2, R3, R4, R5, R6, and RPI for each component such as C01 (front cover), C02 (valve plates), C03 (front cylinder body), C04 (rear cylinder body), C05 (piston), C06 (shaft power), C07 (swash plate), C08 (back cover), C09 (inlet valve), and C10 (discharge valve). The RPI values for these components are 7.249, 12.480, 10.869, 10.869, 9.567, 9.578, 7.346, 7.002, 7.532, and 8.239, respectively. All components have an RPI value between 7 and 13, which indicates that they still have a limit on the reprocess ability. Appropriate redesign of a component can alter these RPI values. In this study, two improvements are proposed for the design of the C04. The first redesign shifts the RPI of this component to 23, which indicates thatC04 cannot be reprocessed. The second design reduces the RPI to 8, which improves the reprocessability. Then, the consideration of the research and development engineer for the same or other functions makes the product throughout its life cycle. These approaches can prevent wastage of energy and mineral resources as well as control industrial pollution.