Lesson 1 - The Packaging Mechanic
Packaging operations; Machinery maintenance; Planned maintenance; Lubrication
Learning Objectives:– Describe types of machines for packing and filling.
– Describe packaging machinery breakdown maintenance procedures.
– List specific requirements for planned packaging machinery maintenance.
– Explain packaging machinery lubrication selection, scheduling, and correct application.
Lesson 2 - Actuating Mechanisms
Cranks; Cams; Intermittent motion mechanisms; Geneva wheels; Drives; Angle-doubling drives; Toggle links; Detents; Overload protection
Learning Objectives:– Explain the operation of the lever and crank.
– Describe the differences among types of cams.
– Explain how ratchet wheels and Geneva wheels produce intermittent motion.
– Describe reciprocating and oscillating drive mechanisms.
Lesson 3 - Problem Solving Principles
Elements and tolerances of measurement; Types of packaging machines; Troubleshooting machines; Determining causes of trouble
Learning Objectives:– Describe the differences between intermittent-motion and continuous-motion packaging machines.
– Explain how to time a packaging machine with a timing dial.
– Define the four basic machineelements-timing, position, stroke, and alignment.
– List correct packaging machine troubleshooting steps.
Lesson 4 - Mechanical Drives
Drive mechanisms; Coupling construction and installation; Belt and chain drives; Speed reducers; Gearing
Learning Objectives:– List the functions of couplings.
– Explain the differences among the more common types of couplings.
– Describe how to check coupling alignment and how to correct a misalignment.
– Compare the different types of belt and chain drives.
– Describe the different types of speed reducers and gearing.
Lesson 5 - Motors and Brakes
Primary drive components; Motor construction classification; Mechanical/electrical speed drives; Clutches; Brakes; Maintenance
Learning Objectives:– Describe the basic features of ac motors.
– Compare the different types of fractional-horsepower motors and three-phase motors.
– List the features of common and special types of motors.
– Explain how variable-speed units work.
– Describe the operation and use of electric, hydraulic, and mechanical clutches.
Lesson 6 - Electrical Controls
Startup and running sequence; Motor starters; Machine control; Time delay relays; Product control; Adhesive application; Product sensors
Learning Objectives:– Describe the elements of a packaging machine's start-up sequence.
– Explain how thermal overload and melting alloy starters work.
– Explain the use of detectors and time delays in packaging machine control.
– Describe how adhesive is applied.
– Explain the differences in operation among types of product detectors.
Lesson 7 - Packaging Materials
Shrink and nonshrink materials; Combination and water soluble film; Plain and coated papers; Chip-board cartons; Glass and plastic bottles and jars
Learning Objectives:– List the characteristics of film.
– Compare the different types of shrink film.
– Name the different types of combination films.
– Describe the uses of water-soluble film, kraft paper, and chipboard.
– List the advantages and disadvantages of glass and plastic bottles and jars.
Lesson 8 - Methods of Filling
Flexible packaging; Vertical and horizontal filling machines; Pouch, weigh, carton, and liquid filling; Filling by count
Learning Objectives:– Describe the operation of vertical and horizontal flexible film packaging machines.
– Explain how volumetric pouch filters work.
– Explain how carton-filling and liquid-filling machines work.
– Describe methods of filling by count.
Lesson 9 - Methods of Sealing
Tube, film, and high-frequency sealing; Capping; Seaming; Tying; Sewing; Gluing; Stapling; Stitching; Strapping
Learning Objectives:– Describe how plastic and metal tubes are sealed.
– Explain the operation of different types of film sealers.
– Describe how high-frequency sealers work.
– Explain the basics of cappers and seamers.
– Describe correct procedures for using hot and cold glues.
Lesson 10 - Weighing and Measuring
Units of weight; Volume measurement; Weighing devices; Scale components; Net weighers; Controls; Checkweighers; Installation
Learning Objectives:– Explain the uses of gross, net, and check weighers.
– Compare the mechanisms of counterbalances and force balance systems.
– List the components in a scalesystem.
– Explain how typical check weighers work.
– Describe proper troubleshooting, maintenance, and installation techniques for scales.