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Neither volume nor product consistency can be achieved in any other way. Increasing production in a cost-effective manner is a difficult and complex undertaking. The project engineer overseeing such a project must have strong support from management, production, maintenance, and vendors. Delays, errors, and higher costs will result if this support is not totally integrated, with all concerned playing an active role. Z Automated ProductionMIncreasing Production Four options to increase production are: Buy new state-of-the-art equipment. Do something with existing equipment. Buy refurbished equipment. Hire a contract packager. Factors that will influence this choice are as follows: Availability of in-plant equipment Market demand for the productDN&!M Automated Production The time frame in which the product must be produced Production volume Quality standards Equipment technology Space constraint Installation requirement 8  The New Production Line ~The Packaging Machine Industry Packaging machinery manufacture is a highly specialized business that does not produce large numbers of identical machines. Products and packages come in such an infinite variety of materials and forms that even though a company may specialize in a particular machine class. In this respect, packaging machinery is a custom business. 0Y~  The New Production Line Given that a complete packaging line may consist of six functional stations from six suppliers, connected by conveyors and buffers made by still another supplier, it is not likely that a new line can be plugged in and work instantly and perfectly. New lines have to be debugged and brought up to operating speed. Good production engineers can usually coax a bit more speed out of a line given time and experience with the process.    The New Production LineGeneral Considerations Broad decisions as to machine class need to be made early and are usually obvious. For example: Will it be a dedicated machine or will it need interchangeable parts? Are particular standards of cleanliness and sterility necessary? Are active chemicals needing special corrosion protection procedures a factor? Should the machine flow be from left to right or right to left? FP     The New Production Line When examining candidate machines, remember that good packaging lines accomplish their objective with a minimum of vibration and noise. The transfer and flow of product and material through the production process should be smooth, with the minimum of directional changes. Before calling on machine suppliers, make a thorough and critical analysis of what exactly needs to be accomplished.   The New Production LineA Be realistic in the range of tasks that your machine will be required to perform, and resist the temptation to compromise the main objective. The more dedicated a machine is, the more efficient it will be. Capital outlay for machines can be heavy. Effective servicing and parts supply is a key vendor issue. B@A  Speed Terminology The lack of specific and consistent terminology often makes discussions of productivity confusing. For the purpose of this discussion, the following definitions will be used: Packaging line: A group of integrated special-purpose machines that combine product and package inputs and produce a new product. The individual machines, each performing a different function, are referred to as stations. Input: Specific product and package items required for package assembly. ZP   G  SpeedDesign speed: The theoretical capacity under perfect running conditions. The speed of the machine as designed, running empty, is the design cycle rate. Capacity: The upper sustainable limit of quality packages passing a point just before warehousing. Run speed: The instantaneous operating rate at a point in time. Output: A packaging line s output (designated Y) is the exact quantity of quality product passing a point just before warehousing or shipping in a given time. A machine s or station s output is the exact quantity of quality product leaving that machine in a given time.fWP  \ 8 V  SpeedEfficiency: Efficiency is a ratio of output over input, but in packaging production, this definition has many subtle variations. For this discussion, efficiency is used to describe a station s or a packaging line s actual operating time over the available time. The speed hierarchy would be as follows: 1. Design speed 2. Capacity 3. Run speed 4. Output rate $Z  " Straight-Line and Rotary Systems ,#& $&" Packaging machines such as fillers, cappers, and labelers can be designed in straight-line and rotary configurations. Straight-line machines usually index a product into an operational station and then hold it there until the operation is completed. For example, intermittent-motion straight-line fillers move containers under the filling heads and then stop for the fill cycle. (Figure 18.1.) The machine may have one fill head or several fill heads ganged together. Z" Straight-Line and Rotary Systems ,#& $&"" Straight-Line and Rotary Systems ,#& $&" Continuous-motion (rotary) machines do not index a container into a station and stop, but instead feed the container into a rotating turret,where the operational heads work on the moving container. Rotary machines require a timing screw on the conveyor feeding into the starwheel to separate the containers to the correct pitch. (Figure 18.2) The starwheel changes the direction of container flow and inserts the containers into the filling turret or back out onto the conveyor as the case may be. ZH  E " Straight-Line and Rotary Systems ,#& $&" Changeovers  & Generally, the faster a machine operates, the more complex the changeover. For those applications where several different products will be run on the same line, ease of changeover becomes an important consideration. The simplest change is when only the product needs to be replaced. Changeovers can be an important part of output calculations. Where changeovers are frequent, ease of changeover, rather than actual machine speed, may dictate machine choice. A fast machine that has an excessive changeover time will be a handicap. 'P'& Changeovers  E Ideally, changeovers should be possible to make critical or time-consuming adjustments or settings off-line. Parts and adjustments should be clearly marked for easy identification and setup by personnel. All settings should be quantified. Fast Changeover Introducing fast changeover to existing lines starts with listing all the elements in a changeover. These should be listed by time from the last sellable part of the old production to the first sellable part made at production speed on the new configuration. It includes both the hang time and the run-in time. .FP@E Changeovers  # Total changeover time can be grouped into four main categories: Preparation or organization: get parts, get tools, locate mechanics/operators Changeover: remove and remount change parts Measurement: settings, calibrations, centering Trial run: run-in, final adjustments  $"# Changeovers Make a histogram (a detailed bar chart showing where time has been spent to effect the changeover). Focus on the histogram's large elements. Determine ways to accomplish time reductions: Eliminate need for tools. Externalize or "off-line" as much as possible. Make all settings to a quantified scale. Have a single documented procedure for all operators. The ideal changeover takes no time, no tools, no talent and you can sell  first off  . Z Machine Controls $ The motions of machine components are achieved, timed, and controlled by various methods. They may be mechanically actuated by levers, cams, chains, push rods, or gears. Motions can be controlled and implemented by microswitches, timers, electromagnetic relays, hydraulics, pneumatics, and electronic means. Each method has its advantages and applications. Maintenance is an important aspect of machine motion and control systems. Z$  Machine Controls $ A machine runs best when all components are at their optimum settings. These settings should be determined and quantified and not left to operator discretion. Microelectronics and microprocessors have provided the packaging engineer with endless possibilities for continuous monitoring of station variables such as fill weight, throughput, production speed, and machine settings.  Developing Custom Machinery  && Periodically, packaging ideas surface for which no machine has ever been built. Designing special-purpose machines to perform totally new functions is an especially arduous task, one not to be taken lightly. The design of a unique machine usually goes through the following stages: 1. Conceptual development (ideas for how each step will be achieved) 2. Construction of station models 3. Creation of assembly and detail drawings for prototype machine P$PGlPgP$Gg Developing Custom Machinery&4. Construction of prototype machine 5. Test run of prototype machine in production environment 6. Modification and improvement of prototype machine 7. Creation of assembly and detail drawings for production machine 8. Construction and commissioning of production line Depending on available expertise, some steps may be shortened or circumvented. Design of special-purpose machines is a high-risk activity and should be approached with caution. P Upgrading Existing Equipment  &&  Refurbishing existing in-house equipment, if it is possible to do so, has definite benefits: You are working with proven technology (for in-house equipment). There are no capital costs for upgrading existing equipment. Initial training and commissioning problems are reduced. 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B( D/ 0|DArialBlact+8 08z[ 00     ĻʾEFACULTY OF DESIGNiA  ArialTimes New Roman Wingdings Arial BlackRadial UNIT FIVE Lesson 18  Automated Production Automated Production Automated Production The New Production Line  The New Production Line The New Production Line The New Production Line The New Production Line Speed  Speed Speed# Straight-Line and Rotary Systems # Straight-Line and Rotary Systems # Straight-Line and Rotary Systems # Straight-Line and Rotary Systems  Changeovers  Changeovers  Changeovers Changeovers Machine Controls  Machine Controls  Developing Custom Machinery  Developing Custom Machinery Upgrading Existing Equipment  õʾĸģ õƬ-'_TOADTOAD5--'@"Arial-. 2 + UNIT FIVE."SystemD-@"Arial-. $2 LPACKAGING MACHINERY .--. 2 V.嵥Ԫ.--. 2 VMװе.-՜.+,0p      ĻʾEFACULTY OF DESIGNiA  ArialTimes New Roman Wingdings Arial BlackRadial UNIT FIVE Lesson 18  Automated Production Automated Production Automated Production The New Production Line  The New Production Line The New Production Line The New Production Line The New Production Line Speed  Speed Speed# Straight-Line and Rotary Systems # Straight-Line and Rotary Systems # Straight-Line and Rotary Systems # Straight-Line and Rotary Systems  Changeovers  Changeovers  Changeovers Changeovers Machine Controls  Machine Controls  Developing Custom Machinery  Developing Custom Machinery Upgrading Existing Equipment  õʾĸģ õƬ_9vTOADTOAD  !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOmQRlnopqrstuvwxyz{|~Root EntrydO)@mP PicturesCurrent User1,SummaryInformation(TPowerPoint Document(DocumentSummaryInformation8"D[SOalBlact+8 08z[ 00 DTimes New Roman8 08z[ 000DWingdingsRoman8 08z[ 00@DArial Blackman8 08z[ 00"@ .  @n?" dd@  @@`` !e        /XR$K.M{aVd#SR$j!~lieAw<S 0AA@83ʚ;ʚ;g4KdKdPz[ 0ppp@ <4dddd| 0L+ 80___PPT10 pp< UNIT FIVE  :PACKAGING MACHINERY ,{NUSCQ Sň:gh",   Lesson 18  4General Overview ,{18 i*(, Automated Production Today, automated production is essential. Neither volume nor product consistency can be achieved in any other way. Increasing production in a cost-effective manner is a difficult and complex undertaking. The project engineer overseeing such a project must have strong support from management, production, maintenance, and vendors. Delays, errors, and higher costs will result if this support is not totally integrated, with all concerned playing an active role. Z Automated ProductionMIncreasing Production Four options to increase production are: Buy new state-of-the-art equipment. Do something with existing equipment. Buy refurbished equipment. Hire a contract packager. Factors that will influence this choice are as follows: Availability of in-plant equipment Market demand for the productDN&! Automated Production The time frame in which the product must be produced Production volume Quality standards Equipment technology Space constraint Installation requirement 8  The New Production Line ~The Packaging Machine Industry Packaging machinery manufacture is a highly specialized business that does not produce large numbers of identical machines. Products and packages come in such an infinite variety of materials and forms that even though a company may specialize in a particular machine class. In this respect, packaging machinery is a custom business. 0Y  The New Production Line Given that a complete packaging line may consist of six functional stations from six suppliers, connected by conveyors and buffers made by still another supplier, it is not likely that a new line can be plugged in and work instantly and perfectly. New lines have to be debugged and brought up to operating speed. Good production engineers can usually coax a bit more speed out of a line given time and experience with the process.    The New Production LineGeneral Considerations Broad decisions as to machine class need to be made early and are usually obvious. For example: Will it be a dedicated machine or will it need interchangeable parts? Are particular standards of cleanliness and sterility necessary? Are active chemicals needing special corrosion protection procedures a factor? Should the machine flow be from left to right or right to left? @P  The New Production Line When examining candidate machines, remember that good packaging lines accomplish their objective with a minimum of vibration and noise. The transfer and flow of product and material through the production process should be smooth, with the minimum of directional changes. Before calling on machine suppliers, make a thorough and critical analysis of what exactly needs to be accomplished.   The New Production LineA Be realistic in the range of tasks that your machine will be required to perform, and resist the temptation to compromise the main objective. The more dedicated a machine is, the more efficient it will be. Capital outlay for machines can be heavy. Effective servicing and parts supply is a key vendor issue. B@  Speed Terminology The lack of specific and consistent terminology often makes discussions of productivity confusing. For the purpose of this discussion, the following definitions will be used: Packaging line: A group of integrated special-purpose machines that combine product and package inputs and produce a new product. The individual machines, each performing a different function, are referred to as stations. Input: Specific product and package items required for package assembly. VP G  SpeedDesign speed: The theoretical capacity under perfect running conditions. The speed of the machine as designed, running empty, is the design cycle rate. Capacity: The upper sustainable limit of quality packages passing a point just before warehousing. Run speed: The instantaneous operating rate at a point in time. Output: A packaging line s output (designated Y) is the exact quantity of quality product passing a point just before warehousing or shipping in a given time. A machine s or station s output is the exPact quantity of quality product leaving that machine in a given time.fWP  \ 8   SpeedEfficiency: Efficiency is a ratio of output over input, but in packaging production, this definition has many subtle variations. For this discussion, efficiency is used to describe a station s or a packaging line s actual operating time over the available time. The speed hierarchy would be as follows: 1. Design speed 2. Capacity 3. Run speed 4. Output rate $Z  " Straight-Line and Rotary Systems ,#& $& Packaging machines such as fillers, cappers, and labelers can be designed in straight-line and rotary configurations. Straight-line machines usually index a product into an operational station and then hold it there until the operation is completed. For example, intermittent-motion straight-line fillers move containers under the filling heads and then stop for the fill cycle. (Figure 18.1.) The machine may have one fill head or several fill heads ganged together. Z" Straight-Line and Rotary Systems ,#& $&" Straight-Line and Rotary Systems ,#& $& Continuous-motion (rotary) machines do not index a container into a station and stop, but instead feed the container into a rotating turret,where the operational heads work on the moving container. Rotary machines require a timing screw on the conveyor feeding into the starwheel to separate the containers to the correct pitch. (Figure 18.2) The starwheel changes the direction of container flow and inserts the containers into the filling turret or back out onto the conveyor as the case may be. ZF  E " Straight-Line and Rotary Systems ,#& $& Changeovers & Generally, the faster a machine operates, the more complex the changeover. For those applications where several different products will be run on the same line, ease of changeover becomes an important consideration. The simplest change is when only the product needs to be replaced. Changeovers can be an important part of output calculations. Where changeovers are frequent, ease of changeover, rather than actual machine speed, may dictate machine choice. A fast machine that has an excessive changeover time will be a handicap. 'P' Changeovers E Ideally, changeovers should be possible to make critical or time-consuming adjustments or settings off-line. Parts and adjustments should be clearly marked for easy identification and setup by personnel. All settings should be quantified. Fast Changeover Introducing fast changeover to existing lines starts with listing all the elements in a changeover. These should be listed by time from the last sellable part of the old production to the first sellable part made at production speed on the new configuration. It includes both the hang time and the run-in time. .FP@ Changeovers # Total changeover time can be grouped into four main categories: Preparation or organization: get parts, get tools, locate mechanics/operators Changeover: remove and remount change parts Measurement: settings, calibrations, centering Trial run: run-in, final adjustments  $" ChangeoversMake a histogram (a detailed bar chart showing where time has been spent to effect the changeover). Focus on the histogram's large elements. Determine ways to accomplish time reductions: Eliminate need for tools. Externalize or "off-line" as much as possible. Make all settings to a quantified scale. Have a single documented procedure for all operators. The ideal changeover takes no time, no tools, no talent and you can sell  first off  . Z Machine Controls $ The motions of machine components are achieved, timed, and controlled by various methods. They may be mechanically actuated by levers, cams, chains, push rods, or gears. Motions can be controlled and implemented by microswitches, timers, electromagnetic relays, hydraulics, pneumatics, and electronic means. Each method has its advantages and applications. Maintenance is an important aspect of machine motion and control systems. Z"  Machine Controls $ A machine runs best when all components are at their optimum settings. These settings should be determined and quantified and not left to operator discretion. Microelectronics and microprocessors have provided the packaging engineer with endless possibilities for continuous monitoring of station variables such as fill weight, throughput, production speed, and machine settings.  Developing Custom Machinery  && Periodically, packaging ideas surface for which no machine has ever been built. Designing special-purpose machines to perform totally new functions is an especially arduous task, one not to be taken lightly. The design of a unique machine usually goes through the following stages: 1. Conceptual development (ideas for how each step will be achieved) 2. Construction of station models 3. Creation of assembly and detail drawings for prototype machine P Developing Custom Machinery&4. Construction of prototype machine 5. Test run of prototype machine in production environment 6. Modification and improvement of prototype machine 7. Creation of assembly and detail drawings for production machine 8. Construction and commissioning of production line Depending on available expertise, some steps may be shortened or circumvented. Design of special-purpose machines is a high-risk activity and should be approached with caution. 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