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Manual Part No. M0726(2)

LMFI 5000 Series

Melt Indexer

User’s Guide

Original English Version

Summary of Contents for LMFI 5000

Page 1: ...Manual Part No M0726 2 LMFI 5000 Series Melt Indexer User s Guide Original English Version...

Page 2: ...u call 1 Instrument name and model number on back panel 2 Instrument serial number on back panel 3 Current version of instrument firmware Power up unit to see version shown on About screen under Maint...

Page 3: ...d herein without notice Equipment or products made prior to or subsequent to the publication date of this manual may have parts features options or configurations that are not covered in this manual D...

Page 4: ...14 Unpacking the Indexer 14 Bench Requirements and Placement 14 Level the Melt Indexer 15 Instrument Overview 16 Front View 16 Rear View 16 Spares Consumable Items 17 Instrument Operation Log In 18 In...

Page 5: ...tions 29 System Configuration 31 Selecting Multi select Data 31 Entering Numeric Data 33 Setting Up a Test 34 Loading and Packing Material into the Barrel 35 Running a Test 36 Cleaning Up 37 TROUBLESH...

Page 6: ...mage to property will occur if the corresponding safety measures are not observed Warning This symbol indicates that death serious bodily injuries or considerable damage to property may occur if the c...

Page 7: ...Wear protective clothing gloves apron goggles etc approved for the materials and tools being used Provide adequate ventilation Warning Provide ventilation to remove heat and noxious odors and to preve...

Page 8: ...st be prepared for breakage Note that mercury exposed to air evaporates at room temperature producing an invisible tasteless odorless and dangerous vapor Thermometers have been used for decades in lab...

Page 9: ...where anything lying beneath could be crushed The lift system has a safety door that when installed correctly and not tampered with will prevent the lift from moving when open There are redundant inte...

Page 10: ...icular the functional efficiency of the safety devices will be checked at regular intervals No modifications will be made to the component except by a Dynisco service person The necessary personal pro...

Page 11: ...methods Method A is simply the collection of extrudate over time while Methods B C and D are the measurement of time for the flow of a fixed volume of polymer All but Method A require an encoder to m...

Page 12: ...CS Lift Option PSI Bar MIN 60 4 2 MAX 80 5 5 Packer Option PSI Bar MIN 20 1 4 MAX 50 3 5 DIMENSIONS Base model With Lift System no weights installed Height in cm 20 51 51 132 Width in cm 13 33 13 33 D...

Page 13: ...age works properly on the orifice Orifice length 0 3150 8mm 0 0010 0 0254mm Weights still weigh correctly Digital Encoder calibration Gages can be purchased from Dynisco Polymer Test Barrel Diameter O...

Page 14: ...ng as expected Bench Requirements and Placement Typical laboratory benches are too high for efficient use of the indexers Cleaning and material packing can be difficult and requires awkward hand posit...

Page 15: ...l position Test shake the melt indexer for stability Some companies may choose to bolt the machines directly to their benches This can be done by removing the levelling feet and using their mounting h...

Page 16: ...Figure 1 LMFI with lift encoder and packer Figure2 LMFI base unit Figure 1 shows LMFI with the lift option encoder option and packer option Figure 2 shows the LMFI base unit that has no options Rear V...

Page 17: ...mable Items Item Part No Qty Each LMFI 5000 Operator s Manual M0726 1 Barrel If wore out of specification 4051 25A 1 Piston Assembly Tip Piston Weight Top 7051 72 1 Piston Tip 0051 41 1 Die Orifice St...

Page 18: ...can be modified Tests cannot be performed TESTER Testing only Cannot modify programs that are stored in memory Can run tests and change test variables for the current test in which the values are not...

Page 19: ...een connected to either the master or host USB connections Remote computer is connected Error during initialization of the remote computer Mass storage device is connected Error during initialization...

Page 20: ...have the same attributes as a normal button The menu button can be not selected selected or disabled The button is only a touch area when in not selected mode Action Not Selected Selected Disabled Di...

Page 21: ...pressed Action Released Pressed Disabled Displays the About window Sets the screen brightness to to the maximum level Sets the screen brightness to to the medium high level Sets the screen brightness...

Page 22: ...ing test or stops the series if the system is running a series Displays the lift override manual operation window Creates new test conditions and changes to the test conditions Edit screen Prints a te...

Page 23: ...the current test information and displays the test status screen Sets the system volume to the the maximum level Sets the system volume to the medium level Sets the system volume to the minimum level...

Page 24: ...led Displays the multi selection screen with the current value selected Displays a number pad or keyboard based on the selected variable Enables or disables the variable The center of the button indic...

Page 25: ...MFR M 600 TA MTB LR2T Where R radius piston cm TB sec is time to traverse the Method B distance L L Method B length of flag mm M is the mass in grams of material collected over the time TA in seconds...

Page 26: ...d where the piston would land on the top of the die 25 4mm Recently Method B has become the more common test because it is simpler to run hands free after material load and more precise for routine an...

Page 27: ...e specific volume of an isolated polymer chain when dissolved in a good solvent This value is directly related to the molecular weight of the polymer Melt viscosity or MFI measurement is another empir...

Page 28: ...rge Mass 3 6 0 6 MFR Where the charge mass is in grams is the melt density in g cc and MFR is the anticipated melt flow rate in the typical units of g 10 min This equation will tend to slightly overes...

Page 29: ...he page indicator displays the currently selected page and the total number of pages for the selected screen Pressing the down button will display the next set of test conditions to edit Modifies the...

Page 30: ...Melt Flow Indexer 30 English 02 2014 Press the save button to save the current test conditions Test conditions are saved based on program ID so this is value must be unique for each program Create Ed...

Page 31: ...ontrol window Press the volume button to configure the system volume The current volume level is displayed as the active button Press the test report export options button to display and configure the...

Page 32: ...ti select window will be displayed to select the new value Pressing the cancel button will return the window to the previous screen and retain the old value The current selection is highlighted in blu...

Page 33: ...ering Numeric Data By pressing a numeric control a number pad will be displayed to enter the new value Pressing the checkmark will accept the value that is in the textbox Pressing the cancel button th...

Page 34: ...h 02 2014 Setting Up a Test Setting up a Test Select the desired test conditions Pressing the select button will load the selected test conditions and display the test setup screen Enter a sample ID i...

Page 35: ...et depending on material to achieve the desired packing force The packer must be enabled through the System Configuration screen Material is loaded as stated above with a funnel The funnel is removed...

Page 36: ...e for starting of test Once the test has begun follow the screen prompts for cuts and input of cut weights After the test is run cut weight results can be rejected if desired Running a Test Summary of...

Page 37: ...er back into the barrel This allows the piston plunger and the die to reheat before the next test With materials that are thermally stable less than 5 viscosity change over 1 2 hour of heat exposure w...

Page 38: ...e machine clean If it is going to sit at room temperature for an extended period of time you may wish to coat the barrel with a light machine oil to prevent rusting The oil will need to be cleaned wit...

Page 39: ...nched polyethylene with a MFR of 1 19 0 01 As of 2013 cost was 870 US for 12 grams SRM Catalog number is NIST Special Publication 260 To order 301 975 6776 Fax 301 948 3730 2 Mercury Hg spill kits Mer...

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