Home

File

1. Remote Jog Panel The oil connections are as Piston Upper grip Lower grip Preliminary checks 1 Check the available voltage 220V monophase is required with at least 10 Amper 2 Plug 220V and push to the buttons of remote jog The lower crosshead must move respect up or down 3 Take the air of cylinders of lower and upper if necessary by taking the switch to the LOAD position from the control console When the oil comes tighten the connection 4 Check the oil level You can see the oil level when you open the backside of the control console 5 In case it is necessary to add oil use number 37 oil 6 Technical Details O UTM 600KN Horizontal Clearance between columns 600mm 500mm Max mum vertical clearance lower grip at lowest position 340mm M n mum vertical clearance lower erip at highest position 80mm Column Diameter 80mm Total Height not running 2800mm Total Height run 2900mm Compression Part Vertical Clearance 110mm 1900kg 880mm 600mm 7 Fault Finding Excessive noise of the pump Indicates that oil is missing If the noise continues check suction filter it might be dirtied Noise coming from the grips It might be due to a lack of lubrication Grease the grips jaw faces The motor does not regulate the loading speed For compression tests For slow pace rate values servo machine has to be used the best performance is achieved at 5kN sec for compression tests For tensile tests
2. the piston to its home position and to free the frozen values Many parameters of the test can be achieved by Menu key You have to be in STOP state in order to reach menu parameters The following screen shows the menu parameters With Enter key you can investigate sample parameters The sample type can be cylinder or rectangular In case cylinder is selected the diameter of the sample has to be entered in millimeters For rectangular samples width and thickness are entered and the display calculates the nominal area This nominal area is used for calculating stress value The grip distance is the vertical clearance between the grips This value is used in order to calculate percentage strain The standard reguires 10 times of the diameter The mass and length of the sample can be also entered If the stress calculation type is selected as Mass Length then this information is used for calculating stress If the stress calculation type is as registered then nominal dimensions are used The test no automatically increases at the end of each test You can see the results saved in the memory by using this record number The following is the test parameters screen If the control mode is selected as Manual the speed of the machine is controlled through the potentiometer on the console For automatic selection machine uses the value in the speed area Select max Available load depends of the capacity of the machine such as 400KN or
3. 5mm min 40mm min can be used There might be problem at the inverter Omron if all parameters are correct Slipping of specimen Excessive wear of gripping systems You have to replace Gripping jaw not suitable to dimensions Select the suitable set 8 Maintenance Periodically clean the tension and compression testing spaces In particular clean The gripping jaws and take off parts falling from the specimen during the tensile test Clean the jaw faces with a solvent bearing in mind that the gripping parts have to be greased with a graphite grease system Periodically grease the points of the hydaulic control of the gripping Check the oil level and refill if necessary with Telius 37 oil Check the alignment of the machine by means of adjustment of screws Replace hydraulic oil after 300 hours of use If you see fluctuations on the load curve you might have to replace jaw faces Replace the relays contactors of control console after 500 hours of use 9 Display Unit The main screen of the tensile test is as follows e Zit Rte ne oe al JTL MATIC BISE AE M gire a HFa STRESS us STRAING While test is running you see instantaneous load stress and strain values Those values are frozen when the test is completed and the state of the machine is written as HOLD On that point the yield load and yield stress is calculated and displayed on the left of the screen You have to press Tare key in order to get
4. 600kN The failure threshold has to be selected as 1kN The machine begins to search if there is a drop at load after 1KN Fail Detection is for defining the percentage drop from peak For rebars 50 or 60 can be used If this value is selected less as 10 the machine stops prior to break the rebar after a 10 drop from the peak Zero suppression can be set as OKN The machine displays zero till passing this value It has not function like to tare the load value Yield Shift value can be selected as 0 2 If the extensometer is not used and yield point is calculated below than expected choose it 0 3 Stress calculation type can be selected as register or mass length When registered is selected the stress value is calculated using the nominal values of the sample When mass length is selected then it calculates the area using the density of steel The speed of the machine can be selected between 5 40mm min Optimal tests are achieved at 1015mm min Max Graph stress is used in drawing the graph 750 is meaningful for displaying graph better Max Graph Strain can be selected as 25 Do not forget to save your parameters TestResults UNIVERSAL TESTING DEVICE The test results are displayed respect to test no Go to load test results line and enter relevant test no Yield load stress max load max stress and elongation at break and sample details are saved in the unit Up to 255 tests you can review the results Device settings This se
5. BRATION l Pak i L ag L bA KS xi l ae a JaN S 9 a X 5 es m ii eq 7 E x A c lt me a 5 ye gem ee ms are e wi _ Software a Universal Tensile Compression Machine WDig nor i m gt Vk md he va we c R JAA gt N y ve DEL 3 Tw TEA x ae APY ar Tan es Mr ia f ob A F If you want to use software at another computer for file management go to setup screen and select file management only property If you want to control machine choose the relevant COMPort from the setup menu The following is tensile test screen Tensile Test 10 UNIVERSAL TESTING DEVICE As you notice the test key of the software is not active Click on the File key and select a new file for making tests Each file includes twenty samples in order to display the graphs and results together On each file when you click sample no the diameter and grip distance automatically changes It goes as 8 8 8 10 10 10 12 12 12 etc If you enter mass and whole length of the rebar you will see the calculated diameter of the rebar also After selecting a file the setup and test keys will be active If you are sure about parameters about the setup you can go to directly on the test The setup parameters are saved on a file therefore you do not need to change each time you run the software The following are setup parameters You can adjust the axis values after th
6. OPERATIONAL MANUAL BMS CITA Makina u SANAY VE T CARET LTD T UTM 4000 UNIVERSAL TEST MACHINE EN 10002 1 BMS Bulut Makina Sanayi ve Ticaret Ltd Sti kitelli Organize Sanayi B lgesi Dolapdere Sanayi Sitesi Ada 4 No 7 9 Ba ak ehir STANBUL T RK YE Phone 90 212 671 02 24 671 02 25 Fax 90 212 671 02 26 web www bulutmak com e mail oms bulutmak com USER MANUAL index m 1 Safety and Security Devices 2 Functions of the machine 3 Operating principles 4 General description 5 Assembly and installation requirements 6 Technical Details 8 Mainteneance 9 BC100 Display 10 Running a test 11 Software 7 Fault Finding Notice No part of this document can be copied or reproduced without the prior written permission of UTEST Material LTD 1 Safety and Security Devices Only gualified personnel must use this device since it has high voltage and high pressure It is very important that the user must read and understand this document before using the device The machine has 2 safety protections Overload protection valve The piston hydraulic does not go furthermore than 215 bar by cutoff valve Therefore the loadcell is protected to exceed 600KN Lower grip limit switches The lower switch has to be adjusted such that two grips do not touch to each other The lower switch has to be positioned such that the upper grip can move till the end of the frame These sw
7. ction includes the calibration of loadcell displacement sensor and channel properties etc Channel Calibration Calibration is done for load and displacement separately with password of 11057 Before calibration you have to specify the gain of each channel For load use gain of 360 with average of 16 or 32 For displacement use gain of 1 with averaging of 16 or 32 These settings are under channel settings The decimal points can be selected as 2dp for load 0 dp for stress and 1 dp for strain On the control coefficients section first 6 parameters are the correction factors for displacement with respect to the area If the area of the sample is less than the value in the 7th factor then 1st correction is used If the area is greater than 7th factor but less than 8th factor then 2nd correction factor is used 13th and 14th parameters are for calculation of the elastic region 15th parameter is for speed regulation and 16th parameter is for filtering strain values at failure position Under the calibration menu first column shows the real world values and second column shows the raw count values First choose number of calibration points and enter first column values then go to second column and after starting the machine with Start key take each corresponding raw count by Enter or down arrow Do not forget to save your calibration UNIVERSAL TESTING DEVICE t e li en A 4 A we b eva ni ei legs ee Oe yr ip hiss Loe e DADCELE CALI
8. e test also but test speed and the other parameters have only affected before the test a Tensile Setup Maximum Stress Axis MPa Maximum Strain Axis Maximum Time Axis sec Test Speed mm min Yield Calculation Shift Default 0 2 02 fe Stess Strain Graph Stress Time Graph yf OK The first three parameter is for axis adjustment They do not affect the test results The other parameter is about the speed of the test The calculation of the yield point in fact done after completing the test Generally 0 2 yield that is common by the Standard is used The digital unit calculates the yield point itself and software itself therefore small differences might appear on these calculations You can change this number later and calculate yield value by clicking on calculate yield again button also You can select the type of graph displayed also You can switch on these graphs by using the right mouse click on the graph also UTM 4000 EN 10002 1 Rev 3 27 April UNIVERSAL TESTING DEVICE The language page is for report purposes or switching to other languages Logo title etc 11
9. he pressure for grips Grippers Two sets of grippers supplied with the machine for tensile tests of round and flat Optional specimen Safety features Pressure switch automatically stops the pressure on maximum permissible pressure of 215 bar Control console It includes Hydraulic pump selenoid valves two motors oil tank motor inverter and power supply and display unit The display unit does the signal conditioning of loadcell and displacement sensor and gives the voltage regarding to the speed of the test It also transmits values to the computer and receives command from the computer 5 Assembly and installation requirements Foundations It is advisable to start the foundation work prior to the arrival of the machine Check also if there is any problem about transportation If it is the case inform us such that the person coming for installation is prepared for the problem Arrival of the machine The machine comes with oil tank is full If there exists leakage you can use number 37 hydraulic oil in order to complete it Erection of the machine Unpack the package and screw the machine to the ground Use spirit level in order to make the alignment correct Assembly Put the control console near 30 40cm of the frame Connect all cables They have all labels on the control console and wires The electrical connections are the following Loadcell LVDT RS232 Computer Pedal these are to the hydraulic unit Lower Grip
10. itches reside in the bottom of the frame The vertical clearance between the grips are 360mm These switches stop the movement of the lower grip stops the motor running with 220V controlled through jog 2 Functions of the machine The user can make tensile tests of steel rods between 8 40 mm and steel plates up to 75x30mm with optional plate grips The compression tests up to 600 KN can be done with the suitable compression plates The bending tests can also be implemented till 600kN with appropriate accessories 3 Operating principles The lower end of the steel rebar sample is placed in lower grippers and the upper end in upper grippers and the system pumps oil to the piston so that the upper gripper moves upward and make a tensile test Similarly for compression test you can place the sample between the compression plates and with the same logic the machine does compression test on the upper part of the machine 4 General description Machine frame loadcell piston assembly hydraulic unit Piston assembly mounted on the top of the rigid frame The loadcell resides on the piston Mobile frame consist of four high tensile strength columns The upper crosshead is housing the lower crosshead The upper crosshead connected to the piston Vertical daylight is continuously adjustable up to 360mm Hydraulically operated opening of grippers and electromechanically adjustment of vertical clearance Two cylinders are controlled by the pedal that adjusts t

File

Contents

Download Pdf Manuals

Related Search

Related Contents