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47

Troubleshooting

Product Support:

www.instron.com

High Energy Breaks

In some circumstances, breaks that produce high energy release can cause the
extensometer to go into idle mode. The system detects this and re-initializes the
extensometer. A message displays in the software to inform you that the extensometer is
re-initializing.

Specimens that can damage the extensometer

Some specimens undergo extensive elongation before break and then exhibit a
“whipping” motion when they break. These types of breaks can damage the measuring
arms.

Arms resist being moved manually

You should only need a very light touch on the extensometer arms to move them gently
and smoothly along the entire range of travel.

If you encounter any resistance while manually moving the arms, this may indicate an
internal misalignment. Contact Instron Service for assistance.

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Содержание AutoX

Страница 1: ...AutoX Automatic Contacting Extensometer Operator s Guide M16 16654 EN Revision C The difference is measurable...

Страница 2: ...y written permission signed by a duly authorized officer of ITW Trademarks Instron is a registered trademark of Illinois Tool Works Inc ITW Other names logos icons and marks identifying Instron produc...

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: ...the amount recommended in your grip documentation This amount can vary between 66 to 100 insertion depth refer to supplied instructions for your specific grips Use any centering and alignment devices...

Страница 5: ...crosshead movement cannot occur Robotic Motion Hazard Keep clear of the operating envelope of a robotic device unless the device is de activated The robot in an automated testing system presents a haz...

Страница 6: ...ease gas connections without first disconnecting the gas supply and discharging any residual pressure to zero Explosion Hazard Wear eye protection and use protective shields or screens whenever any po...

Страница 7: ...Begin 17 Equipment 18 Moving the AutoX 18 Removing the AutoX from a frame 18 Reinstalling the AutoX onto a frame 25 Alignment and Setup 27 Chapter 4 Preparing to Test 31 Setting up the AutoX for Flex...

Страница 8: ...y Breaks 47 Specimens that can damage the extensometer 47 Arms resist being moved manually 47 Chapter 6 Maintenance and Parts 49 Routine Maintenance 49 Daily Maintenance 49 Maintenance of Knife Edges...

Страница 9: ...safe storage location behind the frame This allows operators to switch grips and fixtures without the need to remove the extensometer completely from the test setup Principle of Operation The AutoX is...

Страница 10: ...Chapter Introduction 10 M16 16654 EN Figure 1 Overview of the AutoX Automatic Contacting Extensometer...

Страница 11: ...ialist systems longer arms 300mm and 350mm are available Product Support Instron provides documentation including manuals and online help that can answer many of the questions you may have It is recom...

Страница 12: ...ther frequently performed operating tasks System Support Information about system installation set up and configuration transducer connection and calibration Online Help Software products come complet...

Страница 13: ...ength 10 750 mm 0 4 29 5 in Resolution 0 1 m 0 004 in Accuracy 1 m 0 04 in Clamping force 0 2 5 N 0 9 oz Drag force 0 08 N 8 gF Maximum arm speed driven 110 mm sec 4 3 in sec Maximum arm read speed 20...

Страница 14: ...ut the mounting assembly is 32kg 70lb Table 2 Environmental Specifications Parameter Specifications Operating temperature 10 C to 38 C 50 F to 100 F Storage temperature 25 C to 55 C 13 F to 131 F Humi...

Страница 15: ...mensions Standard Width Arms 1217 A 124 1180 D 148 MIN D 260 116 204 15 130 20 232 B 102 130 C 190 354 50 95 42 25 8 80mm max arm opening Specimen width 0 to 50mm Mounting slots Knife edge Knife edge...

Страница 16: ...Chapter Specifications 16 M16 16654 EN Figure 2 Dimensions Wide Arms A D D B C 130mm max arm opening Specimen width 0 to 100mm Knife separation 750 max 10 min...

Страница 17: ...and verification of the instrument You can move the AutoX and the mounting bracket between different load frames but each frame must have the wiring modification The modification is indicated by a lab...

Страница 18: ...top of the instrument before moving it Secure the mechanical limit stops close to the arms to prevent movement of the arms during transportation To avoid internal damage caused by the counter balance...

Страница 19: ...is at the end of its travel This ensures that the AutoX is free to move upwards when lifted If necessary refer to Static Hydraulic Frame Mounting on page 34 for instructions on how to operate the sli...

Страница 20: ...Chapter Installation 20 M16 16654 EN Figure 3 AutoX Connections Figure 4 Attach the Lifting Hook Mains power To controller on frame Power on off Ground USB to computer Lifting hook...

Страница 21: ...lifting equipment to lift the AutoX onto a cart that is capable of supporting its weight 32 kg 70 lb and move it to the new location Figure 5 AutoX Mounting Screws Electromechanical Frame Mounting Mou...

Страница 22: ...to the slots in the sliding assembly so that they do not get lost Each bolt threads into a nut that is under the top plate of the mounting assembly 10 For electromechanical frames you can also move th...

Страница 23: ...the six M6 bolts that attach the sliding assembly to the brackets and remove the sliding assembly d Using a 8mm hex wrench remove the four M10 bolts that attach the mounting brackets to the frame bas...

Страница 24: ...4 M16 16654 EN Figure 7 Mounting Bracket Attachment Screws Electromechanical frames Mounting brackets M10 x 30mm socket head cap screws and M10 plain washers Base of frame Sliding assembly M6 x 12mm s...

Страница 25: ...t load frames but each frame must have the wiring modification The modification is indicated by a label AUTOX added to the frame controller panel adjacent to the appropriate connector usually Strain 1...

Страница 26: ...to lift the AutoX onto the mounting bracket aligning the mounting holes on the base of the AutoX with the mounting holes on the bracket Insert the four M6 mounting bolts but do not tighten them at thi...

Страница 27: ...ecimen type 2 Install a thin specimen in the grips a piece of string is the most suitable for alignment purposes 3 The aim of the alignment is to maintain the knife edges touching the specimen through...

Страница 28: ...AutoX arms up and down along the entire length of the specimen to ensure that it is aligned along the its entire range of expected travel Use the three jacking screws in combination to achieve this Fi...

Страница 29: ...manually moving the arms this may indicate an internal misalignment Contact Instron Service for assistance g When you have achieved the required alignment tighten the four M6 bolts using a 5mm hex wr...

Страница 30: ...Chapter Installation 30 M16 16654 EN...

Страница 31: ...e AutoX performs flexure tests by attaching to flags which are attached to the deflectometer This testing requires the AutoX to be positioned further back in the test space than for other types of tes...

Страница 32: ...Chapter Preparing to Test 32 M16 16654 EN Figure 9 Stop block adjustment for flexure testing 123 183 normal position flexure test position thumbscrew in normal position flexure test position...

Страница 33: ...1 Standing in front of the frame use the handles to pull the sliding assembly toward you until you feel it hit a stop 2 Continue pulling gently on the handles to compress the spring and rotate the han...

Страница 34: ...ion of sliding and rotating you use make sure that the AutoX arms do not come into contact with anything as you move it Figure 11 on page 34 shows the mechanism To rotate the AutoX into and out of the...

Страница 35: ...e arms installed see Figure 12 on page 36 you may need to adjust the default opening to accommodate larger specimens When first installed the arms are set to a 50mm opening To change the default to th...

Страница 36: ...increases as you increase the tension on the arms These numbers are for comparison purposes only make a note of the setting for optimum contact with the specimen and you can then reset the tension at...

Страница 37: ...ed travel to provide maximum protection Initialization Automatic extensometers must be initialized before the extensometer can be used The extensometer must be initialized every time the software is s...

Страница 38: ...ges are disengaged the Actual carriage position does not display a value You can click Move to manually lock the carriages and display the actual carriage position Figure 14 Upper Limit Stop Although...

Страница 39: ...nd lower fixtures that grip the specimen and that no obstructions will prevent movement of the carriages during a test 7 Click Initialize A second dialog displays with the reference stop settings in w...

Страница 40: ...eference for the software to identify the position of the extensometer carriages The physical reference stop position on the extensometer and the Reference stop position in the software must match Whe...

Страница 41: ...nd the target positions with no interference Select the reference stop based on the expected carriage movement during a test The carriage movement should move away from the specified reference stop Wh...

Страница 42: ...Chapter Preparing to Test 42 M16 16654 EN...

Страница 43: ...d the load string Set travel limit stops on the load frame Refer to Chapter 4 for instructions on setting up adjusting and initializing the AutoX Running a Test The following procedure is a checklist...

Страница 44: ...rosshead movement Ensure that all actuator or crosshead movements necessary for installation or removal are slow and where possible at a low force setting Flying Debris Hazard Make sure that test spec...

Страница 45: ...r details 10 Check that the specimen is aligned properly in the grips If necessary verify the placement of the automatic extensometer arms on the specimen a In the transducer settings dialog for the a...

Страница 46: ...n by first releasing the upper grip followed by the lower grip 15 Bring the crosshead back to gauge length by pressing the RETURN button on the control panel or by clicking the Return button in the Bl...

Страница 47: ...ializing Specimens that can damage the extensometer Some specimens undergo extensive elongation before break and then exhibit a whipping motion when they break These types of breaks can damage the mea...

Страница 48: ...Chapter Testing 48 M16 16654 EN...

Страница 49: ...tact Instron Service for advice Daily Maintenance Make sure the exterior of instrument is clean and free of debris Use a soft lint free cloth to wipe the exterior Maintenance of Knife Edges Figure 15...

Страница 50: ...Spring Prolonged use eventually weakens the return springs on the extensometer arms see Figure 15 on page 50 Replacement springs are provided in the ancillary parts kit To remove the spring pinch it...

Страница 51: ...ck tolerant knife edges 1 Using a 2mm hex key remove the M3 screws and remove the standard knife edges see Figure 15 on page 50 Store the knife edges and screws in a safe place 2 Use the 2mm hex key t...

Страница 52: ...u reinstall standard knife edges To maintain the appropriate mass of the arms the special screws must be replaced in their original positions when you reinstall standard knife edges Repair If the arms...

Страница 53: ...atalog numbers Table 4 Ancillary Parts Part no Quantity Description 80 1 1011 1 Set of metric hex keys 1 5 mm 10mm 66 1 237 2 Replacement return springs Table 5 Replaceable Parts Catalog number Descri...

Страница 54: ...Chapter Maintenance and Parts 54 M16 16654 EN...

Страница 55: ...stron com Appendix A Conformance Documents Certificate of Conformance 56 The copy of the certificate on the following page is a generic version Refer to the original certificate supplied with your sys...

Страница 56: ...c extensometer series AutoX and in particular the extensometer identified as Model Description Serial Number xis in conformity with the relevant provisions of the Machinery Directive 2006 42 EC xis in...

Страница 57: ...8 Instron contact information 11 product support 11 K knife edges 49 replacement 49 shock tolerant 51 M maintenance 50 knife edges 49 repair 52 routine 49 moving 18 before you begin 17 P parts ancilla...

Страница 58: ...W 58 M16 16654 EN...

Страница 59: ......

Страница 60: ...Product Support www instron com...

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