Civil lab equipment manufacturer metals, these machines are developed in adherence with the international quality standards. Erichsen cupping test was used to determine the height of the cup lnie at the moment of localized necking. This test is a type of stampin g test, which uses a polishe d. We offer a wide range of erichsen cupping testing machine in industry. Cupping number is the depth of impression at fracture, in the cupping test, usually expressed in millimeters. Lacquer and paint testing machine, model 202 em, with electromotive drive, equipped with a laterally opened test head, test tool in accordance with din en iso 1520, electric installation for connecting the illumination of the microscope as well as a digital display for the acquisition of the erichsen cu pping value, with integrated preselection counter for setting the maximum cupping value. The lacquer and paint testing machine, model 200, is a benchmounted unit with a cast iron machine body and a cylindrical test head. Lnd1 2020 viscometer price rotational manual four cup viscometer of resin lab. Erichsen testing machine erichsen testing unit latest. Cupping testers are employed in the testing of the elongation and deformability of lacquers and protective coatings applied to metal substrates.
Cupping tester erichsen cupping tester manufacturer from. Fixing the test specimen between the holder ring and the dice, the operator is to apply onto the test specimen a pushing force to evaluate the endurance against cracks and peels of the metallic substrate when the test specimen receives partial deformation. Revolutionary apparatus for testing the resistivity of coatings at various stages of deformation in accordance with iso 1520. Guided testing since 1910 for over 110 years, erichsen is known for optimised and innovative high quality testing equipment as well as for excellent customer service in sheet metal testing, surface testing, corrosion testing and materials testing. However, scientists engineers quality control professionals investigating materials require this to be done in a. Cupping tester erichsen cupping tester manufacturer from mumbai. Part e4, nf t 30019 and sis 18 41 77 on coated sheet metal, with a tensile strength of 400 nmm.
Modified erichsen cupping test the erichsen cupping test in accordance with din en iso 20482, and corresponding to national and international standards is a test providing simple and quick means of assessing the multiaxis ductility of sheet and strip using a procedure that relates closely to practical processes. Testing machine, lab equipment, test machine manufacturer supplier in china, offering erichsen cupping test machineequipmenttester, yaw300e 300kn full automatic electronic cement compression testing test tester instrumentequipmentmachine, 100kn elastic film tensile usage computer control electronic universaltensile testing test. The pioneer and inventor for this basic procedure, which remains the established test method worldwide, was am erichsen, founder of the erichsen company. Then the depth of the cup is measured and eventually, ductility is measure as a function of this depth. To overcome these drawbacks lab fine has developed automatic erichsen cupping testing machine. As well as all national and international standards mentioning the erichsen cupping test. Cupping tests to erichsen iso 20482 and olsen astm e 64384 are used to determine the stretching capacity a of sheet metal. It was the first special test method for assessing the quality of sheet metal. Extended evaluation of erichsen cupping test results by means. One of them is the erichsen cupping test for sheet metal. Erichsen cupping tester all industrial manufacturers. The erichsen cupping tester is suitable for cupping test of metal sheet and strip steel rolled stoc. Extended evaluation of erichsen cupping test results by. Sheet metal testing erichsen inc testing equipment.
The sheet metal testing machine for manual operation provides a maximum. There are 18 suppliers who sells erichsen testing machine on, mainly located in asia. Erichsen testing machine erichsen testing unit latest price. Low cupping test values mean that the coated product may not withstand elongation stresses arising, resulting in corrosion of the substrate. Erichsen lacquer and paint testing machine model 200. A wide variety of erichsen cup test options are available to you, there are 12 suppliers who sells erichsen cup test on, mainly located in asia. The cupping test is a test method applied in the metalworking industry and is used to determine the ductility of sheet metals and strips.
The objective of this experiment is to find out the cupping index of different sheet metals in different thickness using erichsen cupping testing machine model et20, least count of 0. Classic tests like the cupping test and deep drawing cup test are still indispensable for the preparation of metal forming processes. On this channel you can get education and knowledge for general issues and topics. Pdf formability characteristics of different sheet metals. Here, we have explained a simple procedure to perform the.
Cupping testing machine cupping testing unit latest price. For finding deep drawing ability of metal sheets, the erichsen cupping test is used. Erichsen cupping test pdf free download as pdf file. Laboratory testing equipment fatigue testing machine. As the test panel is deformed the coated surface is kept under observation and the point at which cracks or detached from the substrate is noted. The test cylinder is installed at an angle, so that the test procedure can be carried out comfortably when seated. Model 200 is used for the erichsen cupping test in accordance with din iso 1520, iso 1520, bs 3900. Efficient erichsen cupping tester at mouthwatering offers. They are also suitable for complete testing of plastic deformation buy online erichsen cupping testing machine manufacturers in delhi, india. Pdf extended evaluation of erichsen cupping test results. Gbw series erichsen cupping testing machine is designed on the basis of screw universal material testing machine. New materials and their combination as used in the car industry, always require the most appropriate test.
Erichsen cupping test pdf sheet metal business process scribd. Strength of material lab brcm college of engineering. Erichsen cupping test for sheet metal includes placing the metal sheet in the machine and punching a cup into the sheet until a crack appears. Cupping and deepdrawing cup test machine, model 212 erichsen. These properties can be tested in the laboratory and monitored alongside production under standardised conditions using erichsen sheet metal testing machines. A wide variety of erichsen test machine options are available to you, there are 18 suppliers who sells erichsen test machine on, mainly located in asia. There are important reasons for using the cupping test machine, model 111, for quality assurance. Aug 19, 2019 test tools for erichsen cupping test on strip and sheet metal.
Measure the thickness of the test piece to the nearest 0. Aug 04, 2020 one of them is the erichsen cupping test for sheet metal. Ear measuring instrument for cups of 15 50 mm diameter, max. The built in gearbox minimizes the manual force which is required to deform the test panel, allowing to perform a smooth deformation. We have gained expertise in manufacturing, supplying and trading high quality erichsen cupping testing machine. Qualitests electronically controlled cupping test machine with electrohydraulic drive and automatic test sequence, including crack detection, standardised cupping speed and a maximum drawing force of 45kn model 111. Buy online erichsen cupping testing machine manufacturer. Offered range is designed to reveal the cupping qualities of metal sheets and strips. The testing machine is electrohydraulically driven, has a maximum pulling force of 100 kn, and features digital displays for the pulling force, the.
Bt60 manual cupping testing machine cupping testing machine, designed according to gbt 41562007, is used to evaluate the resistance of metal materials to the anticracking or antiseparation of metal. Erichsen was the development of a special tool for deepdrawing cup test in 1932. Erichsen cupping test for metallic sheet and strip mcgrawhill. The natural process of ageing for most materials takes a very long time. Automatic cupping test machine model 111 qualitest. Sheet metal testing english united kingdom erichsen. Pdf formability characteristics of different sheet. The degree or deformation is digitally displayed at a resolution of 0. A method of localized necking detection based on the phenomenon of laser speckle was developed. Pdf modified erichsen cupping test for copper, brass. Information on the cup height lnie is a new supplementary parameter to the standard erichsen number ie. This sort of test is essential because it allows one to test the durability of a lacquer or protective coating before the coating is applied to a product. The top countries of supplier is china, from which the percentage of erichsen testing. Feb 01, 2016 modern tools and testing machines made it possible to get additional information as a result of the erichsen test such as elongation or tensile strength.
Cupping test machine, test specimen, vernier calliper, steel rule. Quantification of coating surface strains in erichsen. For the erichsen cupping tests on metals, these machines are developed in adherence with the international quality standards. A wide variety of erichsen testing machine options are available to you, such as electronic, hydraulic. For the performance of cupping tests on sheet metal a spherical drawing punch is pressed into a clamped metal sheet until a crack appears. Quick clamping and manual operation facilitates faster and trouble free working of the machine, net weight approx. Erichsen stamp is designed to determine the elasticity and strength of coatings with a bowlshaped bend hood coverage for the erichsen in compliance to iso 1520. Increasingly, these tests are supplemented by alternative methods. Tensile tests, technological erichsen or earth 2160 manual pdf cupping. Fixing the test specimen between the holder ring and the dice, the operator is to apply onto the test specimen a pushing force to evaluate the endurance against cracks and peels of the metallic substrate when the test specimen receives partial. The top countries of supplier is china, from which the percentage of erichsen testing machine supply is 100% respectively. Equipped with clamps for faster and smooth functioning, these machines are manually operated. These technologically advanced machines are used for testing adhesion, elasticity and priority of coat of paints or varnish by way of comparison.
Basic principle and practical procedure of the brinell hardness test testing machine test piece spherical indenter basic principle definition. Lightly lubricate the surfaces of the test piece, which will be in contact. Cupping testing machine jinan testing equipment ie. Quantification of coating surface strains in erichsen cupping. The erichsen olsen cupping test is used to determine the ductility of metal sheets and strips, and meets the din en iso 20482, jis z224 and astm e64384 standards, among others. A coated metallic sheet is clamped and ballpoint is press. Cupping testing machine cupping testing unit latest.
Pdf formability characteristics of different sheet metals by. Tqc sheen automatic cupping tester to perform a cupping erichsen dent test on coated steel panels to define the resistance of paint, varnish or related products to cracking andor detachment from a metal substrate when subjected to gradual deformation by indentation under standard conditions. China erichsen cupping test machineequipmenttester china. Today it is the test method recommended by the international standards organization iso and as such is used by all industrial countries. Meanwhile, the cupping test is adopted by the international standards organization iso and therefore valid worldwide in all industrial applications. Awd02b laboratory equipment penskymartens closed cup flash. The cupping tester operates by using a punch to push upon the unpainted side of a. Jan 29, 2021 erichsen test equipment is created to determine physical properties of different coatings for different industries. The erichsen cupping test in connection with a numerical inverse analysis has also been used to determine the parameters of constitutive equations describing the tested material or to verify the numerical model predicting the fracture. These technologically advanced machines are used for testing adhesion, elasticity. The device is designed to determine the strength of coating during indentation of a spherical tip of the punch of 20 mm diameter to the coated test sample, which position is secured. Erichsen cupping testing machine manufacturers,supplier. The erichsen cupping test is a standard method used to assess the formability, ductility and adhesion of coatings, which induces similar strains to those experienced during forming. Fully automatic cupping and deepdraw testing machine for testing the ductility of coated ferrous and nonferrous metals such as coil coatings, painted, plasticcoated or galvanized materials.
China erichsen cupping test machineequipmenttester. The erichsen cupping test provides valuable information on the suitability of a coating material for application in practise. Erichsen cupping test for sheet metal materials today. For the olsen test as used in the usa, if appropriate tools are set up. This tester is used to evaluate the cupping endurance of coated film. The erichsen lacquer and paint testing machine model 200 is used for the erichsen cupping test in accordance with din iso 1520, iso 1520, bs 3900. Buy online erichsen cupping testing machine manufacturer labcon. Erichsen cupping test has usually been used to determine the height of the cup at the moment of sheet metal fracture, defined as the erichsen number ie. Pdf extended evaluation of erichsen cupping test results by. Universalsheet metal testing machine erichsen cupping, deepdraw, flc, up to 600 kn kn. Today we received a request from a manufacturer needing a laboratory for erichsen 430p to test the scratch resistance of automotive molded plaques per the volkswagen method of pv3952.
These erichsen cupping tester are also ideal for uses in laboratories for performing varied machinery, bacteria, and other gas level tests. Ageing is the process by which any material degrades with time. Working procedure in the erichsen cupping test machine, the retaining. When carrying out the cupping test the sheet metal specimen in the form of a strip is inserted in the test cylinder and centralised by locating diagonally. The cupping test is used to assess drawing formability. In addition to various test tools for deformation, a bead test instrument, model 227, as well as a special microscope with illumination for the evaluation and observation of the test procedure are available. This sort of test is essential because it allows one to test the durability of a lacquer or protective coating before the coating is applied to a product operation.
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