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Chapter: Mark specimens

54

M16-16905-EN

•

wicking can occur when testing woven specimens and the wet ink is drawn, by 
capillary action, into the fibers of the specimen.

If bleeding or wicking is a consistent problem, you should consider using tape dots.

•

Loss of detection of ink dots during tests can be caused by:

•

change of specimen color during testing so that contrast between the dot and 
the specimen is lost - consider using a different ink color

•

fading of the dot due to excessive extension during the test - consider using tape 
dots

•

flaking of the ink from the specimen - make sure the ink is compatible with the 
specimen material and consider testing the specimen while the ink is still wet

•

the dot moves outside the field of view of the lens because specimen extension 
was larger than expected - use a lens with a larger field of view

Содержание AVE2

Страница 1: ...Instron Video Extensometer AVE2 and SVE2 Operator s Guide M16 16905 EN Revision D...

Страница 2: ...s Tool Works Inc ITW Other names logos icons and marks identifying Instron products and services referenced herein are trademarks of ITW and may not be used without the prior written permission of ITW...

Страница 3: ...range of applications with which our instruments are used and over which we have no control additional protection devices and operating procedures may be necessary due to specific accident prevention...

Страница 4: ...in grip jaws or fixture components that can result in breakage of these components The high energies involved can cause the broken parts to be projected forcefully some distance from the test area Ins...

Страница 5: ...ar of the jaws of a grip or fixture at all times Keep clear of the hazard area between the grips or fixtures during actuator or crosshead movement Ensure that all actuator or crosshead movements neces...

Страница 6: ...chinery Disconnect equipment from all power supplies before removing any cover which gives access to rotating machinery Do not reconnect any power supply while the covers are removed unless you are sp...

Страница 7: ...may be tested any hazard resulting from the failure of a test specimen assembly or structure is entirely the responsibility of the owner and the user of the equipment Hazard Ensure components of the...

Страница 8: ...Preliminary Pages 8 M16 16905 EN...

Страница 9: ...21 Dimensions and weight 22 Software compatibility 22 Chapter 3 Installation 25 Initial installation 25 Moving between machines 26 Electromechanical dual column table top testing machines 27 Electrome...

Страница 10: ...ll 3 software 67 Fully integrated testing systems 67 Set up the transverse option 68 Calibrate in Bluehill 3 software 69 Non integrated testing systems 70 Calibrate in the Instron Video Extensometer a...

Страница 11: ...11 Preliminary Pages Product Support www instron com Chapter 10 Maintenance 83 General 83 Index 85...

Страница 12: ...Preliminary Pages 12 M16 16905 EN...

Страница 13: ...tion digital video camera There are two models of the second generation Instron video extensometer the AVE2 Advanced Video Extensometer and the SVE2 Standard Video Extensometer AVE2 includes CDAT Cons...

Страница 14: ...edges of the specimen instead of dots placed on the specimen It requires a different mounting system that includes a back screen Transverse strain is measured at multiple locations along the specimen...

Страница 15: ...most out of your Instron products Depending on what you have purchased your documentation may include some or all of the following We welcome your feedback on any aspect of the product documentation P...

Страница 16: ...Chapter Introduction 16 M16 16905 EN...

Страница 17: ...ng machines using the standard mounting configuration Refer to AverEdge32 Mounting Configuration on page 19 if you are using the AverEdge32 mounting configuration Table 1 Table model testers e g 5940...

Страница 18: ...uls or 8800 accuracy is 0 5 m or 0 5 of reading Table 1 Table model testers e g 5940 and 5960 ElectroPuls and 8800 testing systems Continued Lens focal length mm 1 35 16 9 6 Table 2 Floor model tester...

Страница 19: ...raulic testing machines Continued Lens focal length mm 35 16 9 6 Table 3 High capacity floor model testers e g 5988 or 5989 Lens focal length mm 35 16 9 6 Axial field of view mm 160 390 680 not suitab...

Страница 20: ...15 Minimum transverse gauge width mm 5 6 12 15 AVE2 resolution m 0 5 0 5 1 5 3 0 AVE2 measurement accuracy axial and transverse m the greater of the two listed 1 or 0 5 of reading whichever is greate...

Страница 21: ...rmity with all relevant provisions of the following regulations Low Voltage Directive 2014 35 EU EMC Directive 2014 30 EU ROHS Directive 2011 65 EU including substances added by amendment 2015 863 EU...

Страница 22: ...electromechanical and static hydraulic testing systems If you are using an 8800 or ElectroPuls system for static testing the AVE2 is compatible with the following versions of software Console V8 9 or...

Страница 23: ...23 Software compatibility Product Support www instron com Console V8 11 or later Firmware V12 15 or later WaveMatrixTM V1 9 or later Bluehill V3 67 or later...

Страница 24: ...Chapter Specifications 24 M16 16905 EN...

Страница 25: ...to connect to the encoder in the testing machine 8800 ElectroPuls systems install one axial or two axial and transverse encoder SCMs to the connectors on the controller installation of the AVE2 or SV...

Страница 26: ...ature chamber may require different post assemblies The following sections describe the installation on a number of different testing machines Installations on older or non Instron machines may involv...

Страница 27: ...and Figure 4 on page 28 show the AVE2 installed on a 5960 dual column table top testing machine Dimensions are in mm The mounting bracket A is an angled bracket Make sure that you mount the bracket i...

Страница 28: ...dual column table top testing machine Alternative mounting location If the T slot on the left front of the testing machine is already occupied by another accessory a debris shield for example you can...

Страница 29: ...29 Moving between machines Product Support www instron com Figure 5 AVE2 alternative location The motor cover on the testing machine restricts the lower limit of travel of the AVE2...

Страница 30: ...tion 30 M16 16905 EN Caution Make sure that the bottom bracket is at least 25mm above the top of the motor cover to allow adequate cooling see Figure 6 on page 30 Figure 6 AVE2 alternative location mi...

Страница 31: ...nfiguration uses the same mounting methods as the standard configuration but a different mounting bracket and light bar position The mounting bracket and additional back screen are shown in Figure 7 o...

Страница 32: ...ing bracket and back screen are installed in the T slot closest to the outer edge of each column Figure 8 Footprint shown on 6800 Series testing system Electromechanical single column testing machines...

Страница 33: ...how the AVE2 installed on a 5940 single column testing machine Dimensions are in mm The mounting bracket A is designed for use with a single column testing machine only Make sure that you mount the br...

Страница 34: ...Chapter Installation 34 M16 16905 EN Figure 9 AVE2 on a 5940 single column testing machine A...

Страница 35: ...35 Moving between machines Product Support www instron com Figure 10 Footprint of AVE2 on a 5940 single column testing machine A A...

Страница 36: ...ne Dimensions are in mm The mounting bracket A is the same angled bracket that is used on the 5960 dual column table model but with additional spacers B Make sure that you mount the bracket into the s...

Страница 37: ...37 Moving between machines Product Support www instron com Figure 12 AVE2 on a 5985 dual column floor model testing machine A B...

Страница 38: ...s the same mounting methods as the standard configuration but a different mounting bracket and light bar position The mounting bracket and additional back screen are shown in Figure 14 on page 39 moun...

Страница 39: ...a 5980 Series testing system Figure 15 on page 40 shows the footprint dimensions of the AverEdge32 configuration on a 5980 Series testing system including the back screen 1 Note that the mounting bra...

Страница 40: ...ure 17 on page 42 show the AVE2 installed on a 5988 high capacity floor model testing machine Dimensions are in mm The mounting bracket A is the same angled bracket that is used on the 5960 dual colum...

Страница 41: ...41 Moving between machines Product Support www instron com Figure 16 AVE2 on a 5988 or 5989 floor model testing machine A B...

Страница 42: ...the AVE2 installed on an LX static hydraulic testing machine Dimensions are in mm As shown in Figure 18 mount bracket A to the top of the left hand column and mount bracket B to the left front corner...

Страница 43: ...43 Moving between machines Product Support www instron com Figure 18 AVE2 on a LX static hydraulic testing machine A B C D...

Страница 44: ...nted to the base platen All 8800 and ElectroPuls machines use the same mounting plate in the same position The mounting bracket that attaches to the column varies slightly according to the machine mod...

Страница 45: ...45 Moving between machines Product Support www instron com Figure 20 Footprint of AVE2 on an ElectroPuls testing machine...

Страница 46: ...Chapter Installation 46 M16 16905 EN Figure 21 AVE2 on an 8801 series testing machine...

Страница 47: ...connector on the frame controller via the interface cable and an adapter cable 3 The Ethernet switch 2 connects to the computer s Ethernet connection 4 and to the frame controller s Ethernet connectio...

Страница 48: ...ne for axial strain and one for transverse strain Axial connector to connector labeled ENCODER STRAIN 1 and transverse connector to connector labeled SCM STRAIN 2 8800MT controller 44 way connector to...

Страница 49: ...49 System interconnections Product Support www instron com Figure 23 Video extensometer connectors 6 1 3 2...

Страница 50: ...Chapter Installation 50 M16 16905 EN...

Страница 51: ...rk must contrast with the color of the specimen as seen by the camera which uses polarized light in most cases white marks produce the best results even on specimens that appear white to the human eye...

Страница 52: ...rse strain Lines can be used for axial measurement only Applying ink dots The minimum recommended diameter for ink dots is 2mm The maximum recommended diameter is 4mm The marking jigs provided are des...

Страница 53: ...m pressure to the pen c Run the pen around the edge of the hole twice then fill in the center d Apply all the marks without disturbing the jig e Apply sufficient ink to make a dense mark but not so mu...

Страница 54: ...of specimen color during testing so that contrast between the dot and the specimen is lost consider using a different ink color fading of the dot due to excessive extension during the test consider us...

Страница 55: ...with Bluehill or WaveMatrixTM software are designed to handle the loss of strain signals due to loss of marks in a controlled manner If you are not using Bluehill or WaveMatrixTM software or are using...

Страница 56: ...specimen compared to the standard configuration The field of view for each lens is therefore different The values are the same for all supported frame types both table models and floor models Only the...

Страница 57: ...t protective shield separating it from the extensometer Set up for AverEdge32 configuration The AverEdge32 configuration requires some additional setup to check that the illumination is sufficient but...

Страница 58: ...tem to the left or right to adjust the illumination The desired result is maximum illumination of the spec imen but without any saturated pixels 6 When you are satisfied with the lighting disable the...

Страница 59: ...irements and configuration details for each testing system operating with Bluehill Table 9 3400 and 6800 systems Connections Axial and transverse signals via Encoder connector Software requirements 34...

Страница 60: ...stems Connections Axial signals via Strain 1 connector to encoder Transverse signals via analog signals and the Strain 2 connector Software requirements Requires Bluehill V3 62 or later Recognition an...

Страница 61: ...field of view and the bottom bar is near the bottom of the field of view Make sure however that the bottom bar is at least 50mm above the bottom of the field of view to optimize accuracy 6 Select Cali...

Страница 62: ...g system operating with Bluehill Table 13 8800 and ElectroPuls systems using the 8800T or 8800D controller Connections Axial connection to an analog SCM on the controller via a BNC adapter cable Trans...

Страница 63: ...g tabbed dialog You should calibrate the extensometer upon initial start up and also after you change anything in the setup such as changing a lens or changing the position of the AVE2 This procedure...

Страница 64: ...ibration dialog 7 Remove the red lens cover AVE2 only there is no lens cover on the SVE2 by gently pulling it away from the lens 8 Follow the instructions in the calibration dialog to select and focus...

Страница 65: ...eo extensometer as required for the specimens that will be tested 4 For all lenses except the 6mm lens a Install the calibration bar in the upper grip only making sure that the matrix of dots faces to...

Страница 66: ...ibration is complete the calibration status updates and a yellow box appears indicating the region in the field of view that generates the highest accuracy You should ensure that the dots defining the...

Страница 67: ...Bluehill does not create these configurations Bluehill 3 software can run on a variety of testing systems with the AVE2 or SVE2 The level of integration and control depends on the testing system Fully...

Страница 68: ...lable option Table 15 5900 systems Continued Table 16 3300 5500 and 5500A systems Connections Axial signals via Strain 1 connector to encoder Transverse signals via analog signals and the Strain 2 con...

Страница 69: ...to avoid damage to the calibration bar c Move the crosshead so that the image of the calibration bar fills the field of view 5 If you are using the 6mm lens you must use two calibration bars to accom...

Страница 70: ...15 Remove the calibration bar from the grips The strain transducers for the video extensometer are now calibrated Non integrated testing systems This section describes the following systems 8800 and E...

Страница 71: ...ensometer Application Additional manual calibration in 8800 ElectroPuls Console calibration wizard in conjunction with the Analog Outputs screen in the Instron Video Extensometer Application As part o...

Страница 72: ...must use two calibration bars to accommodate the large field of view as follows a Install one calibration bar in the upper grip making sure that the matrix of dots faces towards the extensometer b In...

Страница 73: ...efer to Using the AVE2 with an 8800T or 8800D Controller in the Console online help The strain transducers for the video extensometer are now calibrated Calibrate using touch enabled user interface Yo...

Страница 74: ...red lens cover AVE2 only 10 In the image window in the Calibration screen drag the dotted center line so that it is in the center of the dot matrix pattern 11 Draw a box around the area of the dot mat...

Страница 75: ...ing up a WaveMatrix Test Method with the AVE2 Video Extensometer in the WaveMatrix online help Set up systems not using Bluehill or WaveMatrix If the AVE2 or SVE2 is installed on a testing machine tha...

Страница 76: ...Chapter Set up other software not Bluehill 76 M16 16905 EN...

Страница 77: ...ontrolled manner If you are not using Bluehill or WaveMatrixTM software or are using an older testing machine these systems may not be present It is therefore imperative that you set these limits In s...

Страница 78: ...ransverse strain gauge width is set equal to the specimen width for each test 1 Open the test method file 2 Go to Measurements in the Method menu 3 In the Measurement types list select Virtual Measure...

Страница 79: ...ill be saved during the test 1 Select in the console area to open System Details 2 Select the video extensometer icon under System Settings to open the Transducer Settings dialog for a video extensome...

Страница 80: ...are Using Bluehill 3 Once calibrated the video extensometer behaves like any other transducer when you operate it with Bluehill 3 software For full details refer to the Bluehill online help and refere...

Страница 81: ...on the specimen that is free of speckle so that the software can identify the marks If you choose Speckle only you cannot use the AVE2 as a strain device in the normal way during testing with Bluehil...

Страница 82: ...not using Bluehill or WaveMatrix Follow the appropriate procedures in your software for running at test using a calibrated strain transducer Return to the Instron Video Extensometer Application whenev...

Страница 83: ...t Caution As far as possible keep the extensometer away from exposure to conductive dust or debris from breaking carbon fiber specimens for example Conductive dust or debris may cause a malfunction in...

Страница 84: ...Chapter Maintenance 84 M16 16905 EN...

Страница 85: ...e to 5988 or 5989 40 move to 68SC 32 move to 68TM 27 move to 8800 44 move to ElectroPuls 44 move to LX static hydraulic 42 moving between machines 26 Instron contact information 15 product support 15...

Страница 86: ...software compatibility 22 specifications 17 dimensions 22 environmental 21 general 17 software compatibility 22 weight 22 specimens marking 51 support 15 system interconnections 47 T technical suppor...

Страница 87: ......

Страница 88: ...www instron com...

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