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 . Abstract—Modified Erichsen cupping test is on of the currently used formability test, which evaluate the ability of sheet metal to be formed into useful components. 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.

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Often this facility is necessary for testing thicken sheet metal panels in order to achieve a uniquely defined crack in conformity with the standards. The testing machine, Modelis suitable: Purpose There are important reasons for using the Cupping Test Machine, Modelfor quality assurance: 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 good functional layout of Model makes this machine particularly user friendly. The sturdy design and the hydraulic oil system employed ensure that minimum wear is experienced so that a good repeatability of the test results is assured over a long period of time.

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Operators without previous knowledge or experience can be quickly trained to operate the machine continuously. As the testing machine is equipped with the function “automatic stop at specimen failure” the cupping procedure is automatically interrupted when a crack appears so that an objective test result will always be achieved.

Automatic Cupping Test Machine Model 111

There are important reasons for using the Cupping Test Machine, Modelfor quality assurance:. Sorting out of material of lower quality arriving at the Goods Inwards Department.

Lowering of manufacturing costs by making spot checks on the drawing quality of cold rolled sheet during production or in the process department. Request a Quote Request Services.

Deep Drawing Test — ERICHSEN

Description This testing machine is available as a work-top model with compact dimensions which requires only a minimum of space. It is no longer necessary to open the test head to remove the specimen, as this is automatically released by the hydraulic specimen holder once the test has been conducted.

This testing machine is available as a work-top model with compact dimensions which requires only a minimum of space. Determining the most appropriate sheet thickness for a particular drawn workpiece to optimise the ratio of price to suitability for the manufacturing process. The test cylinder is installed at an angle, so that the test procedure can be carried out comfortably when seated.

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All hydraulic and electronic control and drive units are enclosed in a sturdy sheet metal housing. Without special test preparation it is immediately possible to establish if the material supplied has the prescribed drawing quality. This Cupping Test Machine teest 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 cipping of its sturdy construction.

After pressing the “Start” push button the sheet holder force of 10kN as well as the drawing speed erichseb both conforming to the standards – are adjusted automatically and the test procedure is initiated.

It is possible to delay the crack detection using a potentiometer. The necessary control elements are clearly laid out on the front panel. The entire test procedure runs automatically, including crack detection. Sheet Metal Formability – Ductility Testers.