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Box Compression Testing Machine

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Box Compression Testing Machine 1 BOX COMPRESSION TESTING MACHINE Box Compression Testing Machine is to determine the resistance of the box to vertically applied compressive loads during transit and storage. The ultimate test for determining overall quality and performance of the packages. Machine is microprocessor based Digital Model. Single push button operation for conducting test. Peak load value latching facility. Overload protection. Load Capacity: 500 Kg. To upto 5000 Kg. Platform Size: 250mm, 500mm, 1000mm & 1500mm Square. Height capacity from 500mm up to 2000mm. Suitable to test as per : IS: 7028 (Part VI) – 1973 IS: 7028 (Part IX) – 1975 TAPPI: T-805-om-89 ASTM: D 642 – 90 FCBM: 14:96 FINE MARKETING 15-A, New Bharat Industrial Estate, Lake Road, Bhandup (W), Mumbai-400 078. Tel No.:022-2596 5795 / 96 Fax No.:022-2596 4859 E-mail: [email protected] Web: www.finemarketingindia.com / www.materialtestingmachines.net 2 1. Box Compression Test The container compression test measures the compressive strength of packages such as boxes, drums, and cans. It usually gives the compression load value. It is commonly used to evaluate shipping containers made of corrugated fibreboard as well as wooden boxes and crates. Industrial and consumer packages other than boxes can also be subjected to compression testing: drum, pail, bottle, tube etc. Package components are also evaluated for compression resistance. It is usually a laboratory test involving a special machine, a compression tester, to apply controlled compression on a test specimen. A universal testing machine is sometimes configured to perform a package compression test. Compression testing can also involve a superimposed dead load to a test package. 2. Test Procedure A common method of conducting the test, as described in several published standard test methods, is to compress a box at a constant rate of 1/2 inch (12.5 mm) per minute between two rigid platens. The platens can be fixed so that they remain parallel or one can be pivoted or "floating". The test can be conducted on empty or filled boxes, with or without a box closure. Conditioning to standard temperature and humidity is important. The results of the constant rate of compression test can be: The peak load The deformation at peak load The load at a critical deformation (head space, etc.) The ability of a container to protect the contents from compression damage etc. The dynamic loads have some relationship with expected field loads.:[ often factors of 4 or 5 are used to estimate the allowable working load on boxes. A test can also be conducted with platens that are not mechanically driven but are free to move with a fixed mass (or fixed force) loaded upon them. The results of static load testing can be: The time to failure The time to a critical deformation The ability of a container to protect the contents from compression damage etc. As with any laboratory testing field validation is necessary to determine suitability. Corrugated fibreboard can be evaluated by many material test methods including an Edge Crush Test (ECT). Containers can be subjected to compression forces that involve distribution dynamics. For example, a package may be impacted by an object being dropped onto it (vertical load) or impacted by freight sliding into it (horizontal 3 load). Vehicle vibration can involve a stack of containers and create dynamic compression responses. Package testing methods are available to evaluate these compression dynamics. 3. Factors potentially affecting test results Size and construction of the specific shipping container under test Grade and flute structure of corrugated fibreboard moisture content of the corrugated board (based on relative humidity) Orientation of the box during the test Inner supports, if used during testing (wood, corrugated board, cushioning) Contents (when box is tested with contents) Box closure Whether the compression machine has "fixed" or "floating" (swivelled) platens. Previous handling or testing of box etc. 4. Package testing Package testing or packaging testing involves the measurement of a characteristic or property involved with packaging. This includes packaging materials, packaging components, primary packages, shipping containers, and unit loads. Testing measures the effects and interactions of the levels of packaging, the package contents, external forces, and end-use. Package testing is often a physical test. With some types of packaging such as food and pharmaceuticals, chemical tests are conducted to determine suitability of food contact materials. Testing programs range from simple tests with little replication to more thorough designs. Package testing can extend for the full life cycle. Packages can be tested for their ability to be recycled and their ability to degrade as surface litter, in a sealed landfill or under composting conditions Packaging testing might have a variety of purposes, such as: Determine if, or verify that, the requirements of a specification, regulation, or contract are met Decide if a new product development program is on track: Demonstrate proof of concept Provide standard data for other scientific, engineering, and quality assurance functions Validate suitability for end-use Provide a basis for technical communication Provide a technical means of comparison of several options Provide evidence in legal proceedings: product liability, patents, product claims, etc. Help solve problems with current packaging Help identify potential cost savings in packaging Packaging tests can be used for: Subjecting packages (and contents) to stresses and dynamics found in the field Reproducing the types of damage to packages and contents found in actual shipments Controlling the uniformity of production of packages or components Importance of testing: For some types of products, package testing is mandated by regulations: food. Pharmaceuticals, medical devices, dangerous goods, etc. This may cover the design qualification, periodic retesting, and control of the packaging processes. Processes may be controlled by a variety of quality management systems such as HACCP, statistical process control, validation protocols, ISO 9000, etc. For unregulated products, testing can be required by a contract or governing specification. The degree of package testing can often be a business decision. Risk management may involve factors such as costs of packaging costs of package testing value of contents being shipped 4 value of customer’s good will product liability exposure Other potential costs of inadequate packaging .etc. With distribution packaging, one vital packaging development consideration is to determine if a packaged- product is likely to be damaged in the process of getting to the final customer. A primary purpose of a package is to ensure the safety of a product during transportation and storage. If a product is damaged during this process, then the package has failed to accomplish a primary objective and the customer will either return the product or be unlikely to purchase the product altogether. Package testing is often a formal part of Project management programs. Packages are usually tested when there is a new packaging design, a revision to a current design, a change in packaging material, and various other reasons. Testing a new packaging design before full scale manufacturing can save time and money. Laboratory affiliation: Many suppliers or vendors offer limited material and package testing as a free service to customers. It is common for packagers to partner with reputable suppliers: Many suppliers have certified quality management systems such as ISO 9000 or allow customers to conduct technical and quality audits. Data from testing is commonly shared. There is sometimes a risk that supplier testing may tend to be self-serving and not completely impartial. Large companies often have their own packaging staff and a package testing and development laboratory. Corporate engineers know their products, manufacturing capabilities, logistics system, and their customer’s best. Cost reduction of existing products and cost avoidance for new products have been documented. Another option is to use a paid consultant, Independent contractor, and third-party independent testing laboratory. They are commonly chosen for specialized expertise, for access to certain test equipment, for surge projects, or where independent testing is otherwise required. Many have certifications and accreditations: ISO 9000, ISO/IEC 17025, and various governing agencies. The basis of packaging design and performance is the component materials. The physical properties, and sometimes chemical properties, of the materials need to be communicated to packaging engineers to aid in the design process. Suppliers publish data sheets and other technical communications that include the typical or average relevant physical properties and the test method these are based upon. Sometimes these are adequate. Other times, additional material and component testing is required by the packager or supplier to better define certain characteristics. When a final package design is complete, the specifications for the component materials needs to be communicated to suppliers. Packaging materials testing is often needed to identify the critical material characteristics and engineering tolerances. These are used to prepare and enforce specifications Testing with people: Some types of package testing do not use scientific instruments but use people for the evaluation. The regulations
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