Maximum number of parts that can be accurately counted using a weighing scale

Journal of Applied Research on Industrial Engineering

article

Extrand, Chuck¹  Hoskin, Janet²  Eeg, Martin² 

[1] Protolabs;Protolabs 5540 Pioneer Creek Drive Maple Plain

关键词: Counting errors;    Weight counting;    Scale counting;    Balance counting.;   

DOI  :  10.22105/jarie.2021.271437.1248

学科分类：外科医学

来源: Ayandegan Institute of Higher Education

【 摘 要 】

Many factors may influence the accuracy of part count by weight, but one of the most ubiquitous and often overlooked causes is part variability. In this work, experiments were performed to quantify the weight variation of injection molded parts and to measure the maximum number of those parts that could be accurately counted by weight. A model and working equations that account for tolerances of both the mold cavity and plastic were derived to estimate how part variability affects the weight counting of a single set of parts. Within experimental uncertainty, the model gave estimates that agreed with the actual part counts.

【 授权许可】

CC BY