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Sheet Metal Testing Machine Modell 102 by rmr11550

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									                                                          Sheet Metal
                                                          Testing Machine
                                                          Modell 102

        Cupping Test                 Deep Draw Cup Test




     Bore Expanding Test




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testing equipment for quality management




                                ERICHSEN Cupping          With electro-hydraulic

                                TestDeep Draw Cup         drive and fully automatic

                                TestBore Expanding Test   test sequence
The Product                                               The Purpose

ERICHSEN Sheet and Strip Metal Testing Machine with       There are important reasons for using the ERICHSEN
electro-hydraulic drive, max. drawing force of 60 kN      Sheet and Strip Metal Testing Machine, Model 102, for
and automatic switch off at specimen failure -            quality assurance:
Model 102.
                                                          ·   Lowering of manufacturing costs by making spot
                                                              checks on the drawing quality of cold rolled sheet
The Application                                               during production or in the process department.

This Sheet Metal Testing Machine is intended for          ·   Sorting out of material of lower quality arriving at the
testing materials in the medium thickness range               Goods Inwards Department. Without special test
(0.1 to approx. 3.5 mm). It provides rapid an reliable        preparation it is immediately possible to establish if
quality monitoring for sheet metal producers and users.       the material supplied has the prescribed drawing
                                                              quality.
Model 102 is suitable for
                                                          ·   Determining the most appropriate sheet thickness
·   the ERICHSEN Cupping Test on all ferrous and              for a particular drawn workpiece to optimise the ratio
    non-ferrous metals in accordance with                     of price to suitability for the manufacturing process.

    ISO 8490                    JIS Z-7729                Quantitative measurement of sheet quality by means of
    EN 14-58                    UNI 3037                  the ERICHSEN Cupping Test provides a basis of
    EN 14-67                    UNE 7080                  communication between sheet metal producers and
    DIN 50 101 / 50 102         GOST 10 510               users.
    BS 38 55                    ICONTEC 21
    NF A 03-602                 SIS 11 26 35              The form of the crack and the surface roughness (=
    NF A 03-652                 SABS 0132-197             grain size) also provide information on the quality of the
    ASTM 643-84                                           sheet metal and is suitability for drawing, giving valua-
                                                          ble information especially to the sheet metal producer.

In addition, the Olsen Test as used in the USA can be     The good functional layout of Model 102 makes this
performed on the testing machine when appropriate         machine particularly user friendly. Operators without
tools are set up.                                         previous knowledge or experience can be quickly trai-
                                                          ned to operate the machine continuously. All relevant
                                                          test tools can be set up in the test cylinder quickly and
·   the Deep Drawing Cup Test for the determination       without difficulty.
    of the ear forming tendency and maximum
    drawing ratio according to                            The sturdy design and the hydraulic system employed
                                                          ensure that minimum wear is experienced so that accu-
    DIN EN 1669                                           rate test results are assured over a long period of time.
    DIN 50 155
    UNI 6124-67
    MSZ 5731-68                                           The Description

·   the Bore Expanding Test (KWI)                         The machine consists of a sturdy sheet metal housing
    in accordance with Siebel and Pomp                    into which the test aggregate (test cylinder with work
                                                          piston, sheet holder piston) and the test tools as well as
                                                          the hydraulic system are integrated. The operator's
Depending of the testing method the following sheet       controls are arranged conveniently on a control panel.
metal thicknesses can be tested:                          As an option, an electro-hydraulic blanking press for
                                                          the manufacture of blanks for the Deep Drawing Cup
Erichsen Cupping Test                     0.1 - 3.5 mm    Test can be fitted into the machine housing.
Deep Drawing Cup Test                     0.2 - 1.5 mm
Bore Expanding Test                       0.2 - 2.0 mm    When carrying out the ERICHSEN Cupping Test, the
                                                          sheet metal specimen in the form of strip is inserted into
The above mentioned maximum sheet thicknesses are         the test cylinder and centralised by locating diagonally.
based on material with a tensile strength of 400 N/mm².   The sheet holder force of 10 kN (in accordance with the
                                                          standard) is adjusted using a special regulating valve,
                                                          and the actual cupping process is initiated by selecting
                                                          the standardised drawing speed on the speed regula-
                                                          tor. Since the testing machine is equipped with the
                                                          function "automatic stop at specimen failure" the for-
                                                          ward speed is automatically stopped when the crack
                                                                 Test Tools for the ERICHSEN Cupping Test

occurs, so that in any case an objective test result is          ·   Test tools for the     ERICHSEN Cupping Test in
achieved. The ERICHSEN cupping value is displayed                    accordance with DIN 50 101 and 50 102, on narrow
with an accuracy of 0.1 mm on the digital counter.                   strips and thicker sheet metal specimens

When carrying out the Deep Drawing Cup Test, the                 Test Tools for the Deep Drawing Cup Test
round blank manufactured by the electro-hydraulic
blanking press, is placed into an infinitely variable cen-       ·   Electro-hydraulic Blanking Press (blanking force
tring device located in the test cylinder. After preselec-           200 kN)
tion of the sheet holder pressure the blank is drawn by          ·   Deep Drawing Cup Test Tool B1, including drawing
a drawing punch (normally 33 mm dia.) to a cylindrical               dies and sheet holder plate
hollow part, the socalled cup. The inner diameter of the
drawing die used, corresponds to the sheet thickness to          ·   Test tools for earing test on non-ferrous metals in
be tested. After return of the drawing piston to the start-          accordance with DIN 50 155
ing position, the cup can be removed from the test head          ·   Ear Measuring Instrument, Model 126, for rapid
without any difficulty.                                              measurement of ears formed on cylindrical cups of
                                                                     diameters from 15 to 50 mm
When carrying out the Bore Expanding Test (KWI) the
initial bore (in accordance with the dimensions of the
tools, i. e. normally 7.5 mm or 12 mm) is applied to the         Test Tools for the Deep Draw Bore Expanding Test
sheet metal specimen by drilling and reaming.                    acc. to Siebel and Pomp (KWI)
Afterwards this initial bore is expanded until a crack
appears.                                                         ·   Bore expanding test tools
                                                                     D (initial bore 12 mm)
                                                                     E   (initial bore 7.5 mm)
Technical Data                                                   ·   Boring jig for drilling the initial bores
Dimensions:      width                             650 mm        ·   Drills, drilling bushes and reamers
                 depth                             620 mm
                 height                           1100 mm
                                                                 Additional Facilities for Tests on lacquered sheet
Net weight:                               approx. 150 kg         metal specimens according to DIN ISO 1520
Power supply:                           400 V 3~, 50 Hz
Power consumption:                                 0.37 kW       ·   Special microscope with holder and illumination for
Drawing force:                                 max. 60 kN            optical observation of the test procedure
Sheet holder force:                              0 to 11 kN      ·   Electric Special Measuring Device for accurate
Drawing speed:                         max. 220 mm/min               electrical measurement of the break-down of the
Punch stroke, max.:                       approx. 40 mm              lacquer film during the ERICHSEN Cupping Test
Indication of punch stroke:          digital (accuracy 0,1 mm)
Drawing punch diameter:                       max. 33 mm         ·   Bead Testing Instrument, Model 227, for measure-
                                                                     ment of the residual deformation capacity of
                                                                     stamping lacquers
The Accessories

The various accessories make this sheet metal testing
machine particularly versatile.                                                     Order Information
                                                                 Ord. No.       Product Name
Data acquisition system including PC
                                                                 0012.01.31     Sheet and Strip Metal Testing Machine,
for the modified ERICHSEN Cupping Test as well as for
                                                                                Model 102
the Deep Drawing Cup Test
                                                                                 The scope of supply includes:
·   consisting of:                                               ·   Test tool no. 27
                                                                 ·   one filling of hydraulic oil
    !transducers for drawing force and punch stroke              ·   Operating instruction manual

    !analogue outputs for drawing force and punch stroke
                                                                 For further details and accessories please refer to our
    !A/D converter module                                        price list.
    !test programme under Windows 95

    !PC with visual colour display and printer
    Data Acquisition System with PC for the Modified ERICHSEN Cupping Test




The ERICHSEN Cupping Test (in accordance with DIN                                                             Once the maximum force has been reached, the move-
50 101 and DIN 50 102, and corresponding to national                                                          ment of the drawing punch is stopped automatically
and international standards) is a test providing simple                                                       and the diagram is evaluated by the PC.
and quick means of assessing the multi-axis ductility of
sheet and strip using a procedure that relates closely to                                                     Simultaneously, the measurements taken are processed
practical processes. The depth range reached at failu-                                                        further using a theoretical model for the plastic defor-
re is, however, only an initial guide to the evaluation of                                                    mation of the material based on work done in associa-
the forming properties of the sheet metal.                                                                    tion with the University of Siegen. On this basis, the
                                                                                                              equipment not only provides values for the normal
The sheet metal testing machine Model 102 (as is the                                                          ERICHSEN Cupping Test result - ERICHSEN Index IE -
case with all the modern electro-hydraulic ERICHSEN                                                           but also for elongation at failure AE, tensile strength
testing machines) can as an option be equipped with                                                           RmE, and the n-value nE. (The suffix E indicates that the
analogue measuring outputs for                                                                                parameter has been measured using the
                                                                                                              ERICHSEN process.)
¨         drawing punch movement,
¨         drawing force, and                                                                                  This data is presented immediately on the VDU on
¨         blankholder force.                                                                                  completion of the test alongside the graph of the force
                                                                                                              against displacement. Either a printout can then be
These analogue measuring signals are transmitted to a                                                         obtained and the data saved or the data can be easily
PC via an integrated amplifier and an A/D converter                                                           transfered to other evaluation programmes (e.g.
and a force/displacement diagram appears on the                                                               Microsoft Exel). Practical experience has shown that
VDU.                                                                                                          these new ERICHSEN parameters have a good corre-
The software enables the continuous acquisition of                                                            lation with corresponding values obtained conventio-
measured values with simultaneous display of the                                                              nally, with the significant advantage that the considerable
force/displacement diagram throughout the forming                                                             effort required to prepare conventional test specimens
process.                                                                                                      is eliminated.



                                                                                                                            The right of technical modifications is reserved.
                                                                                                                                                              TBE 102 - II/02




ERICHSEN GmbH & Co. KG
Am Iserbach 14 | 58675 Hemer   |   Germany   |   Tel. + 49 (0) 23 72 - 96 83-0   |   Fax + 49 (0) 23 72 - 64 30   |   www.erichsen.de   |   info@erichsen.de

								
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