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r selection, shipping, transportation and the handling of returns. Principle 8. Automation Principle Material handling operations should be mechanized and/or automated where feasible to improve operational efficiency, increase responsiveness, improve consistency and predictability, decrease operating costs, and eliminate repetitive or potentially unsafe manual labor. Principle 9. Environmental Principle Environmental impact and energy consumption should be considered as criteria when designing or selecting alternative equipment and material handling systems. 36 Top 10 Principles of Material Handling (cont.) Principle 10. Life Cycle Cost Principle A thorough economic analysis should account for the entire life cycle of all material handling equipment and resulting system. Life cycle costs include all cash flows that occur between the time the first dollar is spent to plan or procure a new piece of equipment, or to put in place a new method, until that method and/or equipment is totally replaced. Life cycle costs include capital investment, installation, setup and equipment programming, training, system testing and acceptance, operating (labor, utilities, etc.), maintenance and repair, reuse value, and ultimate disposal. 37 五、物料搬運(yùn)系統(tǒng)的考慮因素 ? 考慮因素多,因而需要一套系統(tǒng)化步驟來(lái)作為分析搬運(yùn)問題的基礎(chǔ). ? 常用:物料搬運(yùn)方程式 (the material handling equation) 38 六、物料搬運(yùn)的單元化和標(biāo)準(zhǔn)化 ? 實(shí)現(xiàn)單元化和標(biāo)準(zhǔn)化的意義: ? (1)物料實(shí)行單元化后,改變了物料散放狀態(tài),提高了搬運(yùn)活性指數(shù),易于搬運(yùn);同時(shí)也改變了堆放條件,能更好的利用倉(cāng)庫(kù)面積和空間。 ? (2)實(shí)現(xiàn)標(biāo)準(zhǔn)化,能合理、充分地利用搬運(yùn)設(shè)備、設(shè)施,提高生產(chǎn)率和經(jīng)濟(jì)效益。 39 40 西南科技大學(xué)制造學(xué)院 IE教研室石宇強(qiáng) 設(shè)施規(guī)劃與物流分析 ? 靜夜四無(wú)鄰,荒居舊業(yè)貧。 , February 13, 2023 ? 雨中黃葉樹,燈下白頭人。 02:11:1602:11:1602:112/13/2023 2:11:16 AM ? 1以我獨(dú)沈久,愧君相見頻。 :11:1602:11Feb2313Feb23 ? 1故人江海別