Aug 19, 2019 erichsen cupping test pdf posted on august 19, 2019 by admin home sheet metal testing deep drawing test universal sheet metal testing machine, model basic test tools for erichsen cupping test on strip. Mar 22, 2020 home sheet metal testing deep drawing test universal sheet metal testing machine, model basic test tools for erichsen cupping test on strip. The pioneer and inventor for this basic procedure, which remains the established test method worldwide, was am erichsen, founder of the erichsen company. Classic tests like the cupping test and deep drawing cup test are still indispensable for the preparation of metal forming processes. 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. Pdf quantification of coating surface strains in erichsen. Modified erichsen cupping test the erichsen cupping test in accordance with 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. Over a range of industries it is standard practice to coat sheet metal before it is formed to the final shape.
Jul 29, 2018 this is an small attempt to explain the entire test in 5 slides only erichson cupping test is basically carried out on sheet metals. To conduct the cupping test the sheet metal specimen or foil is entered into an opening through the test head. After pressing the start push button the sheet holder force of 10kn as well as the drawing speed both conforming to the standards are adjusted automatically and the test procedure is. Erichsen cupping test in conformity with din en iso 1520, bs 3900. Mechanical testing of metals modified erichsen cupping test sheet and strip pt 1 thickness upto 2 mm number of amendments. Erickson is considered the inventor of the cupping test and he patented this test method in the early 20th century. Pdf modified erichsen cupping test is on of the currently used formability test, which evaluate the ability of. Jul 24, 2019 test tools for erichsen cupping test on strip and sheet metal.
Erichsen cupping test for steel sheet and strip first revision. Erichen cupping machine sun labtek equipments i pvt. Nov 08, 2018 abstract erichsen cupping test has usually been used to determine the erichsen cupping test of the cup at the moment of sheet metal fracture, defined as the erichsen number ie. They serve the sheet metal processing, surface coating, anticorrosion and materials testing industries. Modified erichsen cupping test for copper, brass, aluminium and stainless steel article pdf available june 20 with 5,062 reads how we measure reads. It is now used to gauge the resistance to failure of coatings. Historically the erichsen cupping test was used to assess the quality of sheet metal, so was typically concerned with the formability of the sheet metal and the point at which throughthickness failure occurs 4, 5. Adhesion, impact and elasticity testing erichsen inc. Erichsen cupping 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. Lacquer and paint testing machine, model 202 c, with electrohydraulic drive, equipped with a laterally opened test head, test tool in accordance with din iso 1520, electric installation for connecting the illumination of the microscope and digital readout for the display ot.
The present revision has been brought out to affect harmonization with international standards. When carrying out the erichsen cupping test, the sheet metal specimen in the form of strip is inserted into the test cylinder and centralised by locating diagonally. 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. May 09, 2020 erichsen cupping test pdf home sheet metal testing deep drawing test universal sheet metal testing machine, model basic test tools for erichsen cupping test on strip. The sturdy construction and hydraulic operation ensure a wearresistant functioning of the machine so. 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. Erichsen cupping test pdf new pdf download service. The erichsen cupping test is one of the industry standard tests which is used to evaluate such behaviours. Often this facility is necessary for testing thicken sheet metal panels in order to achieve a uniquely defined crack in erichsen cupping test with the standards.
The numerical simulation of erichsen test and cup test for selected materials were realised in order to compare experimental and calculated values. Oct 18, 2019 home sheet metal testing deep drawing test universal sheet metal testing machine, model basic test tools for erichsen cupping test on strip. The best sleeping position for back pain, neck pain, and sciatica tips from a physical therapist duration. Without special test preparations it is possible to establish, if the material supplied corresponds to the prescribed properties. Historically the erichsen cupping test was used to assess the quality of sheet metal. 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. Standard test method for ball punch deformation of metallic. Part e4, sis 18 41 77 and nf t 30019 on sheet metal specimens up to 1. The paper presents a proposal of using erichsen cupping test to determine the additional parameter the height of the cup lnie at the moment of localized necking in sheet metal, which. Erichsen cupping test pdf sheet metal business process. 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. The screwin blankholder is set for the sheet thickness using the scale provided. When carrying out the cupping test the sheet metal specimen in the form of a strip is inserted in the test cylinder and centralized by locating diagonally. Jan 16, 2020 home sheet metal testing deep drawing test universal sheet metal testing machine, model basic test tools for erichsen cupping test on strip.
May 01, 2009 the best sleeping position for back pain, neck pain, and sciatica tips from a physical therapist duration. Extended evaluation of erichsen cupping test results by means. Erichsen cupping testing machines series ecm 60 kn for. Legally binding document step out from the old to the newjawaharlal nehru invent a new india using knowledge. Pdf extended evaluation of erichsen cupping test results. It generally describes the drawability and formability of. Modified erichsen cupping test the erichsen cupping test in accordance with 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. Erichsen was the development of a special tool for deepdrawing cup test in 1932. 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. Home sheet metal testing deep drawing test universal sheet metal testing machine, model basic test tools for erichsen cupping test on strip. Abstractmodified erichsen cupping test is on of the currently used formability test, which evaluate the ability of sheet metal to be. Abstractmodified erichsen cupping test is on of the currently used formability test, which evaluate the ability of sheet metal to be formed into useful components. Erichsen cupping test pdf abstractmodified erichsen cupping test is on of the currently used formability test, which evaluate the ability of sheet metal to be formed into useful components.
Cupping and deepdrawing cup test machine, model 212 erichsen. Pdf modified erichsen cupping test for copper, brass. Erichsen is a modern innovative company that has been providing a wide range of testing machines and equipment for over 100 years. Pdf extended evaluation of erichsen cupping test results by. Sep 29, 2018 erichsen cupping 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 modified erichsen cupping test is on of the currently used formability test, which evaluate the ability of sheet metal to be formed into useful. Erichsen cupping and deepdraw testing and flc, up to 600 kn kn tensile force. Abstractmodified erichsen cupping test is on of the currently used formability test, which evaluate the ability of sheet metal to. Extended evaluation of erichsen cupping test results by. Increasingly, these tests are supplemented by alternative methods.
Adhesion test apparatus model 525 cross hatch cutting and adhesion testing astm d 4541, 4 variants for specimens of 20 mm diameter, 50 mm diameter, 0 4. Quantification of coating surface strains in erichsen cupping. Without this testing procedure the series production of hollow bodies made of sheet metal would hardly be possible up to the present day. Information on the cup height lnie is a new supplementary parameter to the standard erichsen number ie. This cupping test machine is especially designed for an easy and quick quality conformance inspection and quality control on sheet and strip metal, but also particularly suitable for production monitoring because of its sturdy construction. A method of localized necking detection based on the phenomenon of laser speckle was developed. Test tools for erichsen cupping test on strip and sheet metal erichsen after pressing the start push button the sheet holder force of 10kn as well as the drawing speed both conforming to the standards are adjusted automatically and the test procedure is initiated. Erichsen cupping test was used to determine the height of the cup lnie at the moment of localized necking. The cupping tester operates by using a punch to push upon the unpainted side of a. Abstract erichsen cupping test has usually been used to determine the erichsen cupping test of the cup at the moment of sheet metal fracture, defined as the erichsen number ie. The automatic cupping tester performs a cupping erichsendent 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.
This is a proven and widely used procedure to prevent corrosion during transportation and storage. Sheet metal testing english united kingdom erichsen. The erichsen cupping test is an industry standard test which is used to evaluate such behaviours. Testing machine to perform hole expansion and erichsen. These properties can be tested in the laboratory and monitored alongside production under standardised conditions using erichsen sheet metal testing machines. 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. Technological characteristics obtained by erichsen test and cup test as well as these values calculated for selected materials by numerical simulation are shown in table 3. Cupping testers are employed in the testing of the elongation and deformability of lacquers and protective coatings applied to metal substrates. Jis22472006method of erichsen cupping test foreign standard customer service.
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. This is an small attempt to explain the entire test in 5 slides only erichson cupping test is basically carried out on sheet metals. For testing lacquers and paints of all kinds for elasticity and adhesive quality using the. The erichsen cupping test ect is aimed to produce stretching conditions on thin sheets by imposing a spherical or hemispherical punch against a clamped specimen placed.
Another test also extensively adopted to assess the formability of metallic sheets is the erichsen cupping test 58. The cupping tester operates by using a punch to push upon the unpainted side of a coated panel until the painted side shows signs of deformation cracks in the coating. Mar 07, 2019 abstractmodified erichsen cupping test is on of the currently used formability test, which evaluate the ability of sheet metal to be formed into useful components. Meanwhile, the cupping test is adopted by the international standards organization iso and therefore valid worldwide in all industrial applications. Erichsen test article about erichsen test by the free. All hydraulic and electronic control and drive units are enclosed in a sturdy sheet metal housing. It is when cracks start to appear that the lacquer or coatings durability can be recorded, this durability is known as the coatings flexibility rating. The sheet holder force of 10 kn in accordance with the standard is. Quantification of surface strains in erichsen cupping tests. The test uses a 20 mm diameter hemispherical punch to slowly draw the ppm. Some pdf files are protected by digital rights management. Extended evaluation of erichsen cupping test results by means of laser speckle article pdf available in archives of civil and mechanical engineering 162.
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