PKSC 102- machinery
PKSC 102- machinery 81499 - PKSC 1020 - 001
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81499 - PKSC 1020 - 001
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This 3 page Class Notes was uploaded by Addie Pearson on Tuesday March 8, 2016. The Class Notes belongs to 81499 - PKSC 1020 - 001 at Clemson University taught by Heather P Batt in Fall 2015. Since its upload, it has received 28 views. For similar materials see Introduction to Packaging Science in Nutrition and Food Sciences at Clemson University.
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Date Created: 03/08/16
MACHINERY - often, individual machines are made by individual companies, but must operate together in a packaging line. - PMMI- packaging machinery and manufacturers institute Four options for increasing line production - Buy the newest equipment - Do something with existing equipment - Buy refurbished equipment - Hire a contract packager Linespeed- what really counds as output. - Cpm- containers per minute - Filler is critical part of determining line speed - Filler will always determine your lines per minute - REMEMBER- machines do not run at 100% efficiency - To calculate actual cpm: o Efficiency of each machine x cpm of lowest machine = actual cpm Developing custom machinery - Super expensive - Systems approach: o You develop the machine and the package it runs on o Puts you in a powerful position Filling systems - Products come in all forms: o liquid, powder, flakes, solid, sticky… - Containers come in all forms and materials o Rigid, esmi-rigid, flexible… Glass, metal, plastic, paper and paperboard Liquid fillers- two types - Constant level - Constant volume - First lets consider accuracy o Cost of “give away” vs cost of more accurate filler o The idea is to reduce “giveaway” without underfilling Constant fill level - Higher probability of give away - Use for transparent packages - For inexpensive product Constant volume - Less giveaway - For opaque package - Expensive product Machinery – filling - Vacuum fill o Seal package to filler, start vacuum pulls product into package - Gravity fill o Slower than vacuum, used for products that will foam slightly - Pressure and vacuu fill o Used for thick and foamy products - Piston filler o Used for thick, paste products and liquids Dry product filling - Volume - Weight - Number count - Net weight fillers- weighs product only o Ex: scales weigh product as package is formed, drops exact amount into package - Gross weight fillers- includes weight of pack o Ex: scales subtracts weight of package and adds product until it reaches given fill weight Gross weight fillers - Faster but has more chance of giveaway - Set scale for heaviest possible package weight so you never sell underweight Lots of types of machines: - Case packer - Accumulator - Conveyors - Unscramblers - Stetch wrapper - Shrink wrapper - Palletizer - Case sealer/loader - Form/fill/seal - Cartoer - Capper - Taper/stapler - Labeler/code maker - Heat sealer - Vacuum former Packaging machinery- - Uses packages but does not make them - Includes code marking but does not include printing in general - Converting- makes the package, so considered part of the package machinery
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