Which manufacturer is best for Strain Controlled Compression testing machine

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Which manufacturer is best for Strain Controlled Compression testing machine

AStrainControlledCompressiontestingmachineisusedtocrushvariousconcrete specimenstoverifythatthematerialisstrongenoughforitsintendeduse.These multipurposeinstrumentsaretheworkhorsesofanyconcretetestingfacility.Theproperone mightmakeorbreakyourtestingprogrammeduetoitsversatilityandadaptabilitytodiverse sampletypes.

Material Characteristics & Test Parameters

Determinetheexactperformanceandrequirementsofyourmaterialorproductbefore investinginatestingmachine.Itispossibletonarrowdownthesearchfortheidealuniversal testingmachinebyconsideringmaterialfeaturessuchastheneededmaximumforcecapacity andspecimensizeandtestparameterssuchasthedesiredtestingspeed.Carefullyexamine anyapplicableASTM,ISO,orENteststandards.Makesurethere'senoughroomforallthe fixturingandspecimensifyouwanttouseasingleUTMtoconductmultiplesortsoftesting.

Test Results & Reporting

Selectthemechanicalcharacteristicsforwhichyouwantareporttobegenerated.The controllerandsoftwaresuiteareexpectedtoperformthetestsandsupplythenecessary information.Ifreal-timeperformanceisrequired,searchforasoftwareinterfacetodeliver real-timedata.Ensurethesoftwareyouusehasgraphingcapabilitiesifyouusevisualsin yourreport.

Test fixtures and mounting choices

Testingintension,bending,andcompressioneachcallforauniquesetoftestfixtures.The followingisamachinesetupthatisanexampleofatestingsystemusedforvariousteststhat callforspecialisedtestfixtures.TheelectromechanicalUTMmachineincludeshigh-capacity wedgegripswithgrip/fixtureadapters.Withthesedual-fixtureadapters,theoperatorcan keepthewedgegripsonthetestingmachinewhilealsomountingalternativefixturing,such asanASTMbendfixtureorhigh-capacitycompressionplatens.

YoucanusethewedgegripspermanentlyattachedtotheUTMtoconducttensiletesting. Attachthecompressionplatenstothetopandbottomwedgegripsforacompressiontest usingtheappropriateadapters.Finally,thecompressionplatensfromthewedgegripsmustbe removedbeforethebendfixturecanbeattachedfortesting.High-capacitytestfixtureslike high-capacitywedgegripsaretypicallybulkyanddifficulttoremove.Thisdual-fixture layouthelpstheoperatorsavetimeandeffort.

The load cell and transducers

Selectaloadcellwhoseforcerangeisadequateforthetestsyouintendtoconduct.Theload cellmustbebidirectional,meaningitcanmeasureforceineithertensionorcompression.If morethanoneloadcellisrequired,thehigh-capacityloadcellcanbekeptinplacewithout removingitfromthesystembyusingapiggybackadaptertoattachaloadcellwithalesser capacitydirectlytoit.

AdditionaltestingoftheUTMmaynecessitatetheuseofdisplacementtransducersandstrain measurementinstruments.Todecidewhetherthecrossheaddisplacementdataissufficientor whetherotherdisplacementtransducersareneededtoacquirethemostaccuratedata,referto thestandardisedtestproceduresorchooseyourtesttechniques.Displacementtransducers requireafixturemountorayokeassembly,whileaxialextensometerscanbeclippeddirectly ontothespecimen.

Conclusion

WhenchoosingacompressiontestermadebyaStrainControlledCompressiontesting machinemanufacturer,itiscrucialtoconsiderthefactorsabove.Multipletestscanbedone

efficientlyonasingleuniversaltestingmachinebycarefullycharacterisingthematerial qualities,desiredtestresults,andequipmentselection.

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