I do hope this booklet will benefit the corrugated box manufacturers as well as others connected with the industry. Particulars box type 1 5ply to accommodate about 1,000 a3 size sheets. In very humid environments, such as a warehouse with an uncontrolled climate in the summertime, stacking strength is greatly reduced. The compression strength of a corrugated box can also be measured by performing a compression test bct on the box. The first is the flute type and the second is using the edge crush test. It is necessary to go for testing of corrugated boxes and before that you need to specify your parameters properly.
The mullen test or bursting strength test checks the toughness. Abstract the aim of this project was to improve the quality of corrugated box by eliminating various defects. As a result, corrugated box design has gained a lot of importance. This is critical considering that the only guidelines for the last 90 years have been for palletized freight shipments. Corrugated cardboard box testing instruments manufacturer. Internationally this test is also known as the edge crush test ect. To determine the compression strength or buckling load of corrugated boxes, one of the best options is compression test.
Since the very basic functions of corrugated carton is to contain and protect the products inside, its performance has to meet certain quality parameters. If a customer is concerned about the maximum weight a box can withstand, then ect is your test. Bursting strength test as these boxes are meant to carry consignments of variable weights, their bursting strength is assessed prior selecting for packing. The most common flutes used today are a, b, c, e, and f with a being the largest. For easier test setup, the corrugated web is oriented vertically and the flange plates are placed obliquely.
The custom value is normally obtained from testing a sample of the board. The strength depends on the various factors of the box and they are. Ect is a measure of the edgewise compressive strength of corrugated. Proper compression strength is a key performance factor. The specifications of the packing material corrugated box. An excel testing template is available as a tool to support the statistical evaluation of the test results and communication with supplierscustomers. The bct value, on the other hand, measures packaging stability. Box compression test machine is used in all kinds of packaging, corrugated box, carton compressive and holding pressure test, test results can be used as an important basis for the factory stacking the finished product packing height the important reference or design of packing box. Edgewise compression of corrugated, bioresources 72, 25532581. This practice describes several attributes of fiberboard and boxes which relate to various hazards encountered in distribution and describes test parameters which may. Labtiger is the leading manufacturer and supplier of corrugated cardboard box testing instruments. Our paper testing lab is an invaluable asset which enables us to understand corrugated board in a lot more detail than most packaging suppliers.
The influence on the panel strength of different parameters such as asymmetry. Standard practice for selection of corrugated fiberboard. Research article comparative analysis of effect of fluting. Paper testing laboratory package testing laboratory. Corrugated cardboard, transport box, strength construction abstracts this study was directed to examine the strength of rsc type cardboard box depending on height of he box. Our offered products are corrugated boxes, corrugated paper rolls, corrugated cardboard sheets, heavy duty corrugated boxes, etc. Sac industries, ahmedabad manufacturer of corrugated boxes. Ect of corrugated board from corrugated ect, bending stiffness, caliper, box perimeter, the bct can be calculated using. Jan 19, 2016 if a customer is concerned about the maximum weight a box can withstand, then ect is your test. The ect value is one of the most meaningful tests for corrugated cardboard packaging. The compression strength of a corrugated box can also be measured by performing a. Packaging engineers work to meet the performance requirements of a box while controlling total costs throughout the system. After years of testing and analysis ups have developed the first ever box strength guidelines for the small parcel environment. We recommend a series of preshipment tests to simulate fedex air and ground shipping environments.
It usually provides a plot of deformation vs compressive force it is commonly used to evaluate shipping containers made of corrugated fiberboard as well as wooden boxes and crates. The above mentioned carton compression test method would like to be able to help you. Ha ndbook of pa per an d w ood pa c ka ging t ec hn ology, seco nd editi on. Testing of corrugated board corrugated board is a widely used material for the manufacture of packaging. Corrugated board is a widely used material for the manufacture of packaging.
One has to identify specifications which are necessary and then should be correctly specified. Sep 14, 2017 for example, at 50% relative humidity rh a corrugated box is at 80% of its potential stacking strength. Advanced paper, cardboard testing technologies tensile testers rct testers box compression testers. Corrugated box testing machine paper packaging test. Artificial neural network ann models were developed for bct prediction of a corrugated box using 9 input parameters relating to the box dimensions height, length, and width as well as the. Most boxes carry a box makers certificate stamp that lists specifications and box strength.
Box compression testing is a means of evaluating boxes, stacks of boxes, and unit loads under controlled conditions. Cardboard is a single thickness of solid paper fiber. The geometric control parameters of the trapezoidal corrugated web are listed in table 2. The container compression test measures the compressive strength of packages such as boxes, drums, and cans. Boxmaster provides you with two different levels of customization options when selecting box strength. Compression test is world widely incorporated into the work process of different manufacturing units. Coming to corrugated cardboard cartons, we are manufacturing cardboard packaging cartons as per clients paper specifications. Technical products quality control dunapack packaging. Box compression test, as a better representative of box performance. The experimental data and fundamental research depict that, it is quite easy to determine the box compression performance of corrugated boxes with box compression testing. Corrugated board performance tests box plant basics. Warp is important because excessive warp can cause feed and runnability problems on box plant converting equipment. A drop test simulates the freefall of package on its corners, edges and surfaces. A brief guide to tests and ratings for corrugated shipping.
How the cardboard box will be stacked, stored, and transported. Haida equipment can be customized according to your request, you are welcome to inquire carton compression testing machine prices, parameters and other related matters. Types of corrugated box trident paper box industries. In simple words, the role of a corrugated carton is to ensure that the product reaches the.
Why is it important to minimize warp in corrugated board. Box compression test methods paper and package testing. Corrugated shipping containers are exposed to compression hazards during storage and shipment. The edge crush test is a more recent invention that has become a new industry standard for cardboard box testing. A beginners guide to corrugated boxes jamestown container. Clamp fixtures manufactured by sumitomo in japanwere examined by ipc schrampfer and whitsitt 1988 who established optimal testing parameters for their. Corrugated b ox design is the process of matching design factors for corrugat ed fiber board b oxes with the functional physical, processing and enduse requirements. If the packer knows different properties of the cfbs, appropriate precautionary measures can be taken. Industrial and consumer packages other than boxes can also be subjected to. Fefco european federation of corrugated board manufacturers. For example, at 50% relative humidity rh a corrugated box is at 80% of its potential stacking strength. Composite box girders with corrugated steel webs excel conventional concrete box girders in multiple ways in bridge industry, such as deadweight reduction, construction speed and quality. Corrugated carton in itself is a low value item, but it is designed to carry items which may be of very high value. The fefco gmp standard was launched at the end of 2003, renewed in 2006, to ensure that corrugated boxes meet all the requirements of quality, safety and hygiene.
Aug 26, 2019 corrugated box testing procedures help you determine the right kind of box for your business requirements. The main applications for the rct tester are rct ring crush test, pat pin adhesion test, ect edge crush test for corrugated tubes, cores, bottles and cans. One of the most popular methods to test the stacking strength. The quality of bonds requires frequent testing since production speed and container box stacking capacity are affected. Note that bct is not stacking strength, which is the maximum load a box can handle throughout the distribution cycle. Generally includes testing of shock and vibration effects on packaging. Box compression test, as a better representative of box performance quality. Largely used in transportations, they should be strong enough to bear the external stress. Performance testing specified by the international safe transit association. The specifications of the packing material corrugated box as approved by department of posts are as follows.
Also it can do hold pressure stacking test, corrugated box testing machine s equipped with 4 precise load cells. The experimental data and fundamental research depict that, it is quite easy to determine the box compression performance of corrugated boxes with. Box compression test bct strength estimates the bct of a regular slotted container rsc for a moment with flutes positioned vertically. Package testing, corrugated box testing, pdrtl, packaging experts. An ect measures the pressure that a piece of cardboard can withstand when placed upright on its edge, mimicking the pressure that boxes experience when stacked on pallets. Crates and corrugated board handbook of paper and wood packaging technology diana twede, ph. What is the difference between cardboard boxes and corrugated. Our paper packaging testing lab ensures your packaging design meeting the specification and custom needs. Sac industries, ahmedabad manufacturer of corrugated.
Experiment results show flute and linerboard properties, corrugated cardboard. Carton drop test july 4, 2012 david fisher spanish french dutch when doing inspections, one of the most common tests done by inspection firms is the carton drop test. Corrugated boxes and sheets are essential components of the packaging industry. Adhesive bonding of fluted medium to linerboard is a fundamental process in manufacturing of woodfiber based corrugated combined board for packaging. Corrugated box testing machine is used for measuring the pressure strength of boxes,cartons, packaging containers, etc. What advantages does the shortspan compression test sct have over other compression tests. Corrugated board is made from solid fiber paper by forming arches corrugations in one or more plys of kraft paper. To achieve this the packaging is filled with the envisaged products and dropped from a defined height. Fefco standards with a view to the corrugated industry. Ect measures how much stacking strength or pressure a box can withstand before being crushed. The books description and discussion of commonlyused tests and terminology make it a useful reference for practicing packaging professionals as well. As the manufacturers are becoming more and more conscious about the safe delivery of the consignments, there is a rising demand for.
This international standard describes the types of testing equipment available for carrying out compression tests on paper, board, and corrugated fibreboard. Corrugated box compressiona literature survey request pdf. Follow our instructions or let us do the testing for you. Ect edge crush test, resistance to crushing on the edge of corrugated. If that is the case, why are we running behind the wrong parameter called bursting.
Testing equipments suppliers some love bursting strength because it sells like hot cakes. Established in the year 1996, in ahmedabad gujarat, india, we sac industries are engaged in manufacturing and supplying an extensive range of corrugated box and cardboard sheet. But broadly, it can be bunched into certain types of cardboard cartons. A flute was the original corrugated flute and is the thickest flute profile you can use. More than 25 years later, we are still following the wrong parameters. Particulars box type 1 5ply to accommodate about 1,000 a3 size sheets box type 2 3ply to accommodate about 100 a3 size sheets grammage gmm outer ply 2nd ply 3rd ply 4th ply inner ply 180 140 140 140 180 180 140 180. Predicting box compression strength roman popil, ph. It is commonly used to evaluate shipping containers made of corrugated fiberboard as well as wooden boxes and crates. Integrated travel indication, overload protection, and a host of programmable parameters. Packaging tests such as drop test, edge crush resistance, etc. One of the main functions of packaging is to protect the content against external influences and corrugated board is in this case a very suitable material.
This box compression test bct states the force in kilonewtons which a. This corrugated paper is laminating between solid fiber paper and is call. It usually provides a plot of deformation vs compressive force. Corrugated cartons are primarily used as a secondary packaging.
Nsf compliance testing newspaper packaging needs to stop, effective from 1st july2019, says fssai. Besides box perimeter, what values must be known to use the mckee equatios to estimate the box compression test bct value for a corrugated box. The corrugated industry produces the n1 transport packaging in the world. The box compression strength of a carton can be calculated by the cardboards compression strength and stiffness. Corrugated testing equipment on box, board for edge crush. Theres a number of different factors that go into making your corrugated box, and its one of the reasons why theyre so customizable.
Figure 3 represents some examples of the corrugated cardboard behaviour under uniaxial solicitations. The box compression test measures the compressive strength of packages such as boxes, drums, and cans. Packaging engineers work to meet the performance requiremen ts o f a box while controlling total costs throughout the system in addition to the structural design discussed in this article, printed bar codes, labels, and graphic. Corrugated compression strength introduction the strength program allows you to evaluate the effects of a number of loading parameters and environmental conditions on the predicted individual case compression strength and on the resulting stacking height of a pallet load. Whether you need a lighter box to help cut down on shipping costs, or a carton made out of a thicker board grade to provide additional protection, theres a style of box thats right for every product. What is the difference between cardboard boxes and. Measurement of the ectvalue on a test monster of 10 x 2,5 cm. Box compression test machine is used in all kinds of packaging, corrugated box, carton compressive and holding pressure test, test results can be used as an important basis for the factory stacking the finished product packing height the important reference or design of packing box applications. Measurement of strength of corrugated board selected sampling, conditioning and testing standards are listed in table 3 table 3. Box compression test machine compression testing machine. Generally, we have noted that the behaviour in the cross direction and the machine direction are different. This is a true performance test and is directly related to the stacking strength of a carton. The corrugation profile of the test girder is mode selected from the specification.
The research program investigated corrugated box performance through the. Fatigue testing and analysis of igirders with trapezoidal. Package testing, corrugated box testing, pdrtl, packaging. For each material and in each direction, we have determined the mechanical parameters. Bursting strength tester applies hydraulic or pneumatic pressure on the test sample.
As with any laboratory testing field validation is necessary to determine suitability. Rejection trend was studied and major defects were sorted out. To make them fit to use in different applications, corrugated fibre boxes undergo stringent testing process. In the test laboratory we determine the bct value in a compressiontension testing machine or in a universal testing machine. Largely used in transportations, they should be strong enough to bear the. Crates and corrugated board destech publishing inc. Your flute size determines the thickness of the walls of your corrugated box as well as the stacking strength. This box compression test bct states the force in kilonewtons which a packaging unit can absorb before it buckles. In this case, either the box is under specified or the quality being received is not as specified. Research article comparative analysis of effect of. Fatigue testing and analysis of igirders with trapezoidal corrugated webs. Oct 26, 2017 corrugated carton in itself is a low value item, but it is designed to carry items which may be of very high value. For example, during the storage of a corrugated cardboard packaging unit this can.
1059 979 1329 68 1520 574 191 667 75 852 328 99 697 1292 1299 1186 490 787 221 318 817 35 1475 243 620 542 526 618 1413 1300 1245 625 1378 580 788 137 1048 1499 1276 1327 1246 876 1155