Mts Series 322 Load Frames Manual do Utilizador

be certain.mModel 322.21Model 322.31Model 322.41Series 322 Load FramesProduct Information011-551-601 C

Series 322 Load Unit10ConventionsPreface

Series 322 Load Unit Introduction11IntroductionLoad Unit: OverviewThe load unit is the primary structure for most materials testing. It is a stand-alo

Series 322 Load Unit12IntroductionWhat youneed to knowMTS Systems Corporation assumes that you know how to use your controller. See the appropriate ma

Series 322 Load Unit Introduction13322 Load Unit: Component IdentificationComponent Descriptions (part 1 of 2)ITEM COMPONENT DESCRIPTION1 CrossheadMo

Series 322 Load Unit14Introduction322 Load Unit: Component DescriptionThe load unit is a stand alone testing structure. It consists of the following c

Series 322 Load Unit Introduction15Load frame The load frame is the basic structure which provides the reaction mass for the force train. The T-slot b

Series 322 Load Unit16IntroductionForce The force transducer (also called load cell or force sensor) measures the amount of tension or compression and

Series 322 Load Unit Introduction17322 Basic SpecificationsFatigue Ratings, Dimensions, and WeightMODEL 322.21 MODEL 322.31 MODEL 322.41Load unit fati

Series 322 Load Unit18IntroductionANSI Standard B.5.1 T-Slot Dimension** Minimum tolerances.MODEL T-BOLT SIZE ABCDE332.21 0.75 in 0.81 in 1.21 in 0.62

Series 322 Load Unit Introduction19T-slot Platen Dimensions — U.S. CustomaryT-slot Platen DimensionsMODELAB** Larger tables available. CDE†† Distance

Series Series 322 Load Unit2Copyright information © 2009 MTS Systems Corporation. All rights reserved.Trademark information MTS is a registered tradem

Series 322 Load Unit20IntroductionabcdDeflections and Spring Rates 322.21 322.31 322.41Deflections*100 kN (22 kip) 250 kN (55 kip) 500 kN (110 kip)A-

Series 322 Load Unit Introduction21

Series 322 Load Unit22IntroductionSeries 661 Force Transducer: SpecificationsThe force transducer used with this system is a Series 661 Force Transduc

Series 322 Load Unit Introduction23Dimensions The following dimensions are rounded off to the nearest millimeter or eight-inch.661.20-01 25 kN (5.5 ki

Series 322 Load Unit24Introduction

Series 322 Load Unit Safety25SafetyGeneral Safety PracticesThis section provides information about safety issues that pertain to servohydraulic system

Series 322 Load Unit26SafetyIf you have system related responsibilities (that is, if you are an operator, service engineer, or maintenance person), yo

Series 322 Load Unit Safety27Locate and readhazard placards/labelsFind, read, and follow the hazard placard instructions located on the equipment. The

Series 322 Load Unit28SafetyKeep bystanderssafely awayKeep bystanders at a safe distance from all equipment. Never allow bystanders to touch specimens

Series 322 Load Unit Safety29Observe the following safety practices when you work with high-pressure air or gases:• When you charge an accumulator, fo

Series 322 Load Unit Technical Support3Technical SupportHow to Get Technical SupportStart with yourmanualsThe manuals supplied by MTS provide most of

Series 322 Load Unit30SafetyOn rare occasions, a fastener can fail even when it is correctly installed. Failure usually occurs during torquing, but it

Series 322 Load Unit Safety31Provide adequatelightingEnsure adequate lighting to minimize the chance of operation errors, equipment damage, and person

Series 322 Load Unit32SafetyDo not disturb sensors Do not bump, wiggle, adjust, disconnect, or otherwise disturb a sensor (such as an accelerometer or

Series 322 Load Unit Safety33Hazard IconsFollowing are the hazard icons used on the MTS products.ICON DESCRIPTIONMoving parts; pinch points. Keep clea

Series 322 Load Unit34SafetyAlternate read the manuals or instructions. Become familiar with safety information. Also become familiar with operating a

Series 322 Load Unit Safety35322 Load Unit: Hazard LabelsThis section provides information on hazard labeling. Part numbers are provided should replac

Series 322 Load Unit36SafetyForce Transducermodel s/ncpty kN lbs! WarningHigh force moving parts. Can cause severe injury or equipment damage. Stay

Series 322 Load Unit Safety37322 Load Unit: Crush Point HazardsIt is important to stay clear of any potential crush points when the system is operatin

Series 322 Load Unit38Safety

Inspect for Shipping DamageSeries 322 Load Unit Installation39InstallationLoad Unit installation consists of these four major tasks —• Inspect for Shi

Series 322 Load Unit4Technical SupportKnow information fromprior technicalassistanceIf you have contacted MTS about this problem before, we can recall

Series 322 Load Unit40Unpack and Move the PlatenInstallationUnpack and Move the PlatenNote You can move the platen and crosshead assembly with a forkl

Unpack and Move the PlatenSeries 322 Load Unit Installation414. Attach the lifting straps to the lifting eyes. Adjust them so each lifts about the sam

Series 322 Load Unit42Install the Crosshead AssemblyInstallationInstall the Crosshead AssemblyThere is a possibility of the crosshead assembly suddenl

Install the Crosshead AssemblySeries 322 Load Unit Installation431. Tighten the crosshead manual locking bolts.Manually lockedcrossheadCheck the torqu

Series 322 Load Unit44Install the Crosshead AssemblyInstallationDo not tighten the bolts for the hydraulic locks.Mistakenly tightening the bolts for t

Install the Crosshead AssemblySeries 322 Load Unit Installation454. Attach the lifting straps to the lifting eyes. Slowly and carefully bring the asse

Series 322 Load Unit46Install the Crosshead AssemblyInstallation5. Attach the crosshead assembly to the platen. Tighten the column cap screws to 25% o

Install the Crosshead AssemblySeries 322 Load Unit Installation47Note Skip the next two steps if you do not have hydraulic lifts.6. Assemble the cylin

Series 322 Load Unit48Make Connections, Bleed Lifts, Tighten ColumnsInstallationMake Connections, Bleed Lifts, Tighten Columns1. Make all hydraulic an

Make Connections, Bleed Lifts, Tighten ColumnsSeries 322 Load Unit Installation492. Bleed Hydraulic Lift Cylinders.Bleed both hydraulic lift cylinders

Series 322 Load Unit Technical Support5If You Contact MTS by PhoneA Call Center agent registers your call before connecting you with a technical suppo

Series 322 Load Unit50Make Connections, Bleed Lifts, Tighten ColumnsInstallation5. Tighten the column cap screws to their full torque values.6. Check

Series 322 Load Unit Operation51OperationLoad Unit: Operation PrefaceThis section describes the load unit controls, crush point hazards, and procedure

Series 322 Load Unit52Operation322 Load Unit: Control ModuleThe controls for the load unit are located on a module mounted to the front of the load un

Series 322 Load Unit Operation53RateAdjusts how fast the grips clamp and unclamp.Adjust the control clockwise to slow the clamping of the specimen.Cro

Series 322 Load Unit54Operation322 Load Unit: Crush Point HazardsIt is important to stay clear of any potential crush points when the system is operat

Series 322 Load Unit Operation55When changing hydraulic grips, make sure you cap or plug the hydraulic hoses when removed to prevent oil spillage.Oil

Series 322 Load Unit56Operation2. Set the crosshead position.The crosshead position depends on the length of the specimen being tested, the starting p

Series 322 Load Unit Operation57Load Unit: Position the Crosshead Hydraulically1. This step pressurizes the lift actuators. The crosshead might have s

Series 322 Load Unit58OperationLoad Unit: Position the Crosshead ManuallyThis procedure describes how to position a crosshead for a load unit with no

Series 322 Load Unit Operation594. Loosen the crosshead locking bolts in 1/4 turn steps (counterclockwise). The following figure shows the sequence of

Series 322 Load Unit6Technical SupportProblem Submittal Form in MTS ManualsUse the Problem Submittal Form to communicate problems with your software,

Series 322 Load Unit60OperationThe crosshead is very heavy. A dropping crosshead can crush hands, damage grips, and smash specimens.Observe the follow

Series 322 Load Unit Operation61Load Unit: Adjust the Grips’ Clamp RateThe clamp rate determines how fast the grip can clamp a specimen.1. Ensure that

Series 322 Load Unit62OperationA. Watch the speed at which the lower grip clamps and unclamps the specimen.B. Adjust the Rate control counterclockwise

Series 322 Load Unit Operation635. Adjust the Pressure control for the desired hydraulic pressure.6. If you exceed the desired pressure setting, adjus

Series 322 Load Unit64Operation

Series 322 Load Unit Maintenance65Maintenance322 Load Unit: Maintenance Intervals 66Load Unit: Daily Inspections 67Load Unit: Clean the Columns

Series 322 Load Unit66Maintenance322 Load Unit: Maintenance IntervalsThe following table lists the recommended interval for each of these procedures.W

Series 322 Load Unit Maintenance67Load Unit: Daily InspectionsBefore the start of each day’s testing, do a quick inspection of your load unit. Followi

Series 322 Load Unit68MaintenanceLoad Unit: Prevent RustWhere you operate the load unit determines how often you take rust prevention measures. Humid

Series 322 Load Unit Maintenance69Load Unit: Bleed the Hydraulic Lift CylindersBleed both hydraulic lift cylinders whenever the crosshead does not mov

Series 322 Load Unit Preface7PrefaceBefore You BeginSafety first! Before you use your MTS product or system, read and understand the Safety manual and

Series 322 Load Unit70Maintenance5. If there is a specimen in the load unit, remove it.The lifts contain hydraulic fluid under high pressure.If the bl

Series 322 Load Unit Maintenance7110. Turn on high hydraulic pressure. If pressure was reduced at the hydraulic power unit, restore full pressure.11.

Series 322 Load Unit72Maintenance4. Use the Lock Control to lock the crosshead. Then torque the manual crosshead locking bolts in the order shown in t

Series 322 Load Unit Maintenance737. Tighten each lock’s cap screw until its piston bottoms out. Then loosen and hand-tighten each cap screw.8. Loosen

Series 322 Load Unit74MaintenanceLoad Unit: Lubricate the Crosshead Locking BoltsLubricate the locking bolts in a manually locked crosshead whenever t

Series 322 Load Unit Maintenance75Load Unit: Align the Force TransducerThis section describes how to align a force transducer with the load unit actua

Series 322 Load Unit76MaintenanceB. Set and enable the test controller’s upper and lower limit detect interlocks to limit the actuator’s movement to 2

Series 322 Load Unit Maintenance773. Check the alignment.In this step, you check the alignment between the force transducer and the actuator..Attachin

Series 322 Load Unit78Maintenance4. Prepare the force transducer.Depending on the type of force transducer you have, perform one of the following proc

Series 322 Load Unit Maintenance79Preloader collar mountonlyThe following procedure applies only to force transducers that are mounted to the crosshea

Series 322 Load Unit8ConventionsPrefaceConventionsDocumentation ConventionsThe following paragraphs describe some of the conventions that are used in

Series 322 Load Unit80MaintenanceB. Tighten to 5% of the torque recorded on the identification plate.Hex nut—Tighten the nut to 5% of the final torque

Series 322 Load Unit Maintenance81C. Turn the load unit’s hydraulic pressure to off.Anti-Rotate Actuator—Tightening the Cap ScrewsD. If your load unit

Series 322 Load Unit82MaintenanceUse the following guidelines to determine when maintenance is required.• Check the precharge pressure at periodic int

Series 322 Load Unit Maintenance83111 Accumulator: Check and Change Precharge PressureSpecial equipment An accumulator charging kit (MTS part number 3

Series 322 Load Unit84Maintenance2. With an open-end wrench, turn the locknut counterclockwise on the accumulator valve assembly to open the valve. Re

Series 322 Load Unit Maintenance85Mixing gases can produce unpredictable results.Do not use another gas to precharge an accumulator. Use only dry nitr

Series 322 Load Unit86Maintenance244 Actuator: MaintenanceThe series 244 Actuator is designed for extended periods of operation without extensive main

Series 322 Load Unit Maintenance87Mixing different brands of hydraulic fluid can contaminate your system. Contaminated hydraulic fluid can cause prema

Series 322 Load Unit88Maintenance252 Servovalve: Maintenance OverviewMaintaining the Series 252 Servovalves typically involves changing the filter ele

Series 322 Load Unit Maintenance89Procedure To replace the filter element, perform the following procedure. Care should be exercised to prevent dirt o

ConventionsSeries 322 Load Unit Preface9Hypertext links The electronic document has many hypertext links displayed in a blue font. All blue words in t

Series 322 Load Unit90MaintenanceD. Lightly lubricate the filter with clean hydraulic fluid and insert the filter into the housing.E. Secure the filte

Series 322 Load Unit Maintenance91During the servovalve mechanical null adjustment procedure, the actuator must be able to move through full displacem

Series 322 Load Unit92MaintenanceExcessive torquing may shear off the adjustor pin eccentric. Do not apply more than 12 lbf-in. (1.36 N•m) of torquing

Series 322 Load Unit Maintenance93G. Using the offset wrench, loosen (but do not remove) the self-locking nut.Mechanical Null Adjustor PinH. Turn the

Series 322 Load Unit94Maintenance

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