Mts Material Test Systems Manual de usuario

MTS Material Test System Operation100-196-370 D be certain.

2.1.0 How to Get Technical SupportStart with your manualsThe manuals supplied by MTS provide most of the information you need to use and maintain your

Know information from prior technical assistanceIf you have contacted MTS about this problem before, we can recall your file based on the:• MTS notifi

2.3.0 If You Contact MTS by PhoneA Call Center agent registers your call before connecting you with a technical support specialist. The agentasks you

After you callMTS logs and tracks all calls to ensure that you receive assistance for your problem or request. If you havequestions about the status o

3.0 IntroductionTopics:•Manual Overview...

3.1.0 Manual OverviewThis manual provides operating guidelines, installation guidelines, and safety practices for operation of anMTS Test System. This

DescriptionItemTest Controller Software (Typical)1• 793 System Software• 793 Applications• 793 UtilitiesCables2Transducer ID Cable3Outlet Strip4Line S

Figure 3: Hydraulic Service ManifoldTable 2: Hose connections from the HPU and to the actuatorsDescriptionItemPressure1Return2Drain3Figure 4: Load Fra

DescriptionItemHydraulic service manifold2Hose connections:3• Pressure• Return• DrainHand set (some models)4Actuator speed switch (some models)5E-Stop

© 2013 MTS Systems Corporation. All rights reserved.MTS, TestStar, and TestWare registered trademarks of MTS Systems Corporation within the United Sta

DescriptionItemEnvironmental Accessories11A. High temperature furnace1B. Environmental chamber1C. Temperature controllerExtensometers2Alignment access

3.2.2.0 Servohydraulic and Mechanical ComponentsThe following paragraphs briefly describe the servohydraulic and mechanical components that are typica

Hydraulic power supplyThe hydraulic power unit (HPU) provides pressurized hydraulic fluid to the servovalve. An HPU typicallyincludes a reservoir for

Table 3: Simple Control diagramDescriptionItemTest command1Summing and conditioning2Station manager3Closed loop4Feedback source5When reduced to its ba

3.4.0 InterlocksThe test controller incorporates interlock circuitry that can automatically stop a test when a system problem,specimen failure, or an

4.0 SafetyTopics:•Overview...

4.1.0 Overview4.1.1.0 Safety Information OverviewMTS systems are designed to generate single-axis or multi-axial motions and forces simultaneously in

4.2.0 Safety Practices4.2.1.0 General Safety PracticesIf you have system related responsibilities (that is, if you are an operator, service engineer,

Locate lockout/tagout pointsKnow where the lockout/tagout point is for each of the supply energies associated with your system.Thisincludes the hydrau

Ensure Correct Cable ConnectionIf a system cable has been disconnected, ensure that you establish the correct cable-to-connector relationshipduring re

Contents1.0 Preface 51.1.0 Before You Begin...

the recommended procedure for bleeding a pneumatic or gas-charged device, because it can expose youto the dangers of escaping compressed gas and parti

Provide test area guardsUse protective guards such as cages, enclosures, and special laboratory layouts when you work with hazardoustest specimens (fo

Customer must evaluate risks due to ejected parts or materials from the test specimens. If the MTS Test AreaEnclosure option is not selected by the cu

Contain small leaksDo not use your fingers or hands to stop small leaks in hydraulic or pneumatic hoses. Substantial pressurescan build up, especially

5.0 Installation GuidelinesTopics:•Installation Guidelines...

5.1.0 Installation GuidelinesThe MTS Test System is typically installed by qualified MTS field service engineers. This section providesreference infor

laboratory personnel, use of an overhead crane, lifting straps or a forklift might be necessary to handlecomponents or fixtures.Heat dissipationTo pro

addition, it is recommended that the hydraulic power unit be located in a room separate from the test system,if possible, to reduce noise in the test

must be provided by the customer to allow maintenance personnel to safely remove all power to the HPU.Wiring must conform to local electrical codes an

5.7.0 Connecting the System Components...405.8.0 System Star

Due to the high center of gravity of the console, two people are required to roll the console if the floor hasobstructions or bumps; use one person on

supplied with the system, some of these connections might not apply. If provided, refer to the system assemblyand/or hydraulic distribution drawings (

ActuatorsAfter checking the electrical and hydraulic power unit connections, the actuator position control electronics(the Set Point control on the se

6.0 Getting StartedTopics:•Overview...

6.1.0 OverviewBefore setting up or operating the test system, the hardware component configuration must be defined, controlsettings (or test parameter

For balanced system operation, the load frame crosshead should be positioned so that the actuator pistonrod will be at approximately midstroke when th

than one signal is selected as the input, the underpeak detector will not trigger an interlock unless all of theselected signals are below the specifi

Table 5: Effects of Span and Setpoint on Program SignalDescriptionItemFull-scale operating range1Testing range2Span affects program amplitude3Setpoint

Table 6: Error detection levelDescriptionItemProgram command1Feedback2DC Error3Time lag4The error detector can be preset to detect an excessive DC err

through the system interlock. Likewise, if the feedback falls below the preset lower limit detect level, the limitdetector will (if enabled during tes

1.0 PrefaceTopics:•Before You Begin...

Determining limits from known test forces or displacementsIf the maximum and minimum test forces or displacements are known, the limit detector levels

Table 8: Underpeak Detector LevelsDescriptionItemFull-scale operating range1Maximum underpeak detect level2Maximum underpeak detected3Minimum underpea

• The input to the underpeak detector is the transducer feedback signal from a load cell with a full-scaleoperating range of ±25 kN• There is zero loa

Table 9: Gain adjustmentDescriptionItemResponse time1Program2Transducer feedback3Increasing the gain decreases the stability margin of the system, inc

DescriptionItemProgram3Transducer feedback4If the gain is set too high, unstable system operation can result.This instability may cause specimen damag

SummaryServo loop adjustments are experimental and the operator should become familiar with the effects of theseadjustments while using dummy specimen

7.0 OperationTopics:•Operation Overview...

7.1.0 Operation OverviewThis section contains a typical operating sequence that will lead you through local test setup and operation.Detailed informat

• Determine the position of the load frame crosshead.• Calculate the upper and lower limit detection levels to be used during specimen installation.•

1.1.0 Before You BeginSafety first!Before you use your MTS product or system, read and understand the safety information provided with yoursystem. Imp

7.4.0 Adjust Displacement Servo Loop (optional)Note:If the test is to be run in displacement control, then displacement control loop should be tuned f

Warning:After you turn off system hydraulics, do not come near the load frame for at least 30 minutes– actuator motion is still possible.Unexpected ac

Caution:Oil spillage can create an environmental concern and a slippery surface.Slippery surfaces can cause you to fall and incur personal injury.When

Note:If possible, install a dummy specimen at this time. Use of a dummy specimen will help avoid potentialdamage to the test specimen when establishin

Caution:Oil spillage can create an environmental concern and slippery surface that can cause personalinjury.When changing hydraulic grips, make sure y

Note:If possible, install a dummy specimen at this time. Use of a dummy specimen will help avoid potentialdamage to the test specimen when establishin

Note:The following steps are provided as a guide to the servo loop adjustments. Adjustment of these controlswill vary depending on the test specimen a

7.7.0 Set Up the Program, Detectors, Counter,and Data AcquisitionFollowing is a brief procedure to set up the program command. Detailed information on

9. If a dummy specimen was installed (as recommended in the specimen Installation section, remove dummyspecimen and install test specimen.10. If desir

8.0 Routine MaintenanceTopics:•Maintenance Overview...

Other special text conventionsImportant:Important notices provide information about your system that is essential to its properfunction. While not saf

8.1.0 Maintenance OverviewCaution:High pressure fluids can be present in the test system.High-pressure hydraulic fluid can cause cuts and burns.Ensure

As a guideline, for a test system that operates eight hours per day, one week will equal 40 hours, and onemonth will equal 160 hours. For a test syste

5 +Years2 Year1 Year6months3months2months1Month1WeekDailyCalendar time10,0004,0002,0001000500320160408Running time - HoursXInspect for leaks andwearMT

5 +Years2 Year1 Year6months3months2months1Month1WeekDailyCalendar time10,0004,0002,0001000500320160408Running time - HoursMTSXCheck functionality ofwa

5 +Years2 Year1 Year6months3months2months1Month1WeekDailyCalendar time10,0004,0002,0001000500320160408Running time - HoursXInspect furnace sealsXInspe

9.0 DecommissionTopics:•Decommission Test System...

9.1.0 Decommission Test SystemThe decommissioning process is performed when the system is going to be moved or taken out of service.Disassembly is req

Warning:Warning:Residual hydraulic pressure can produce a high pressure spray.This pressurized hydraulic spray can cut you or the hydraulic fluid coul

Caution:Warning:Electrical components and parts can contain hazardous chemicals andcompounds.Improper disposal of hazardous chemicals and compounds ca

100-196-370 D

2.0 Technical SupportTopics:•How to Get Technical Support.......................