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Dynisco LCR7000 Series Operating Manual

Capillary rheometers
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From lab to production,
providing a window into the process
Dynisco
Operating Manual
LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A
www.dynisco.com
LCR7000 Series
& RheoSights
Setting the standard for Evaluating Polymer
Melt Flow Characteristics
|
ECO: 52468
-1-

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Summary of Contents for Dynisco LCR7000 Series

  • Page 1 From lab to production, providing a window into the process Dynisco LCR7000 Series & RheoSights Setting the standard for Evaluating Polymer Melt Flow Characteristics Operating Manual LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com...

  • Page 2: Table Of Contents

    Where: η is viscosity, τ is the shear stress and γ is the shear rate..........64 Advantages of a pressure transducer ....................67 Disadvantages of a pressure transducer .................... 67 Maintenance and Calibration ........................71 Galaxy ..................................87 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com...
  • Page 3 Keypad Definitions ..........................103 Conversion Factors ............................105 Example Runs ..............................106 Support Vendors .............................. 110 RAM Rate / Shear Rate Table ........................112 Reference Books ............................... 113 Glossary of Terms …………………………………………………………………………………………………..115 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com...
  • Page 4 From lab to production, providing a window into the process LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com...

  • Page 5: Introduction

    Introduction 1. How to use this manual This manual describes the setup procedure and basic operation of the DYNISCO POLYMER TESTS 7000 series capillary rheometers. It provides the complete description of resources at your command when operating your rheometer. It is not necessary to read this manual in its entirety;...
  • Page 6 From lab to production, providing a window into the process 3. How to Contact DYNISCO Call Dynisco at +1-508-541-9400 or contact your local sales representative for the latest pricing information. Orders https://shop.dynisco.com https://shopeu.dynisco.com can also be placed online at . Account registration is...

  • Page 7: Getting Started

    X 63.5 X 61 cm (65” X 25” X 24”). Save the crate until you are fully satisfied with the operation of your instrument. We recommend that you save the shipping crate for future shipments of the rheometer back to Dynisco for upgrades, service and/or calibration, or for your own facility or rheometer relocation.
  • Page 8 (if applicable), Laser Micrometer (if applicable), and AC Power connections. Keep the wooden crate in storage in case you ever need to move or ship the rheometer back to Dynisco or to another location. 4. Power Connection First find the surge protector/power box. This is an extension cord with many sockets available for use.
  • Page 9 This model is a single bore rheometer and has Load Cell measurement capability only. You will need to install the Dynisco Load Cell to the rheometer crossbar and connect the coiled interface cable from the back of the rheometer base to the Load Cell. (See Load Cell Assembly Section for more details).
  • Page 10 Except in an emergency, never interfere with the initial movements of the rheometer (i.e., DO NOT press RESET) until the rheometer has reached its Park Position LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -10-...
  • Page 11 Device is connected to the Internet. Please make sure you have good internet connection if you want to receive the update. You can also manually download newer version of the Software from our website: iot.dynisco.com/Home/Download 14. Rheometer Firmware and Firmware Upgrades Firmware is the programming embedded into the computer chips (EPROMS etc.) found...
  • Page 12 Confirm proper firmware orientation by replacing the firmware ICs with their notches matching the socket notches (notches point to the right). Reassemble unit by replacing keypad panel mount and top cover. Restore power and test the unit. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -12-...
  • Page 13 2.) Open the RheoSights Software by double clicking the Shortcut named “Dynisco Software Launcher” on the desktop of the Edge Device. 3.) Log in with the default password “Dynisco” and get into the main operation page. 4.) Click the Laser button and follow the instructions.

  • Page 14: Safety

    Your DYNISCO POLYMER TEST rheometer contains high voltages inside the rheometer base. DO NOT remove this cover unless you are instructed to do so by a DYNISCO POLYMER TEST representative or are experienced with high voltage devices. Be sure the outlet used to power the rheometer is properly grounded.
  • Page 15 An exhaust system that removes fumes from both the die exit and the top of the barrel is strongly recommended. Consideration should also be given to additives that may degrade or decompose at elevated test temperatures. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -15-...
  • Page 16 It also coats and fills micro cavities in the metals, which can be a cause of variability if the first charge of material is treated like the following charges. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -16-...
  • Page 17 Add the remaining material and pack the sample as before. A good rule of thumb for knowing whether you have enough material in the barrel is that the end of the packing tool LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -17-...
  • Page 18 Be careful, as the die is very hot when it comes out. If you don't LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -18-...
  • Page 19 The oil will need to be purged from the rheometer before accurate data can be obtained. For reference, the difference between a die and an orifice is that an orifice is a very short length die. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -19-...

  • Page 20: Test Drive

    If RheoSights isn't already running on your Edge Device now is a good time to start it. Double click on the shortcut named “Dynisco Software Launcher” on the desktop of the Edge Device. Once the program launches and logs in, check if all the data are changing constantly on the panels or simply check the communication LED indicator on the main page.
  • Page 21 A tap ground flat at the top will hit the bottom of the barrel when it is screwed entirely up into the barrel from below. Low torque (force) turning of the tap is usually all LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -21-...
  • Page 22 (Tips less than 9.515 mm would be out of ASTM specifications for DYNISCO POLYMER TEST rheometers). Material leakage past the tip should also be less than 0.1 g.

  • Page 23: Rheosights Operations

    When you start RheoSights for the first time you will be prompted for a password. You can begin by using the default password “Dynisco” to get started. Once you have logged in for the first time, click the “Change Password” button if you wish to have another password for the software.
  • Page 24 Main Operation page, you can move freely in and out of any one of the operating pages of RheoSights by clicking on the icon within the toolbar of your choice. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -24-...

  • Page 25: Set Up Test Page

    Main Operation Screen to start the test. All preset test conditions are set up with standard shear rate curves and can be altered at any time. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -25-...
  • Page 26 “relax” prior to starting the test. Start Position: The Start Position is the position where the first programmed ram rate begins. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -26-...
  • Page 27 Select the value type “Speed Control” (mm/min) or “Shear Rate” (1/s) and select weather you would like a Logarithmic or Linear fit to your data points and click the Auto Generate button. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -27-...
  • Page 28 Rate" button to complete the data point information. If you are setting up your data points individually buy Shear Rate, you will have to click on "Generate Speed Control" for each point to complete the data point information. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -28-...
  • Page 29 ASTM-Modified: This algorithm is a more conservative one based on ASTM, which does a better job at filtering the error data. Legacy: This algorithm tries to replicate the steady state algorithm used by the old LabKars software. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -29-...
  • Page 30 The more data points, the more barrel charge you'll need to complete your test. Most test Start Positions will range from a barrel position of 90mm to 130mm. Dynisco Polymer Test recommends a barrel Start Position of 100mm as an average standard for your test.
  • Page 31 If the die size you are looking for is not found in the preset die list. Using the "Add New Die" button you may add a new line to the die list for a new die. Fill in the Dynisco STOCK number in the Stock number block.
  • Page 32 Force calibration and R-Cal OK? Temperature calibration OK? Die length OK? Piston Tip Diameter within spec.? Threads OK on die holder nut? (Too little anti-seize causes excessive wear) Barrel Diameter OK? LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -32-...

  • Page 33: Hama Laser Micrometer

    Laser values on the Main Operation page. If the Laser is not connected or the port for the Laser is not detected by the Edge Device, the values will keep as 0. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -33-...
  • Page 34 For the second case, try rebooting the Edge Device one or two times. If that does not solve the problem, either your Edge Device does not have the proper driver for the Laser or you need a replacement for the connector, contact Dynisco for a solution.

  • Page 35: Rheometer Control Screen

    Used to take the current data point and move To stop the movement of the crossbar of the onto the next data point for either Steady State or test Manual modes LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -35-...
  • Page 36 Temperature in Celsius Plunger Position in mm Loadcell / PT shear viscosity Die Swell in mm Change selection for left/right/time axis’s to show different types of data on the graph. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -36-...

  • Page 37: Plotting And Analyzing Your Data

    • Browse the list of experiments to find the data you want to plot • Highlight the charges you wish to plot and press the “Plot Selected” button. This will plot your charges on screen for LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -37-...

  • Page 38: Built-In Functionalities Of The Graphing Tool

    If you hover your mouse around the upper right corner of the graphing area, you will see this toolbar. Functions include Save graph as png, scale up/down/into graph, auto scale, toggle spike line, etc. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -38-...
  • Page 39 The basic info of the last test you selected will be shown at this section. The full report including the data points can be shown by clicking the “Show Full Report” button. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -39-...
  • Page 40 “to Lin” on the right of the axis data selections and switch back by clicking again. 3. Log Values for the Data on the Graph LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -40-...
  • Page 41 Fitting Curves. The curve will be plotted on the graph and the fitting parameters will be shown on the box above the “Show Full Report” button. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -41-...
  • Page 42 Yasuda model to fit the data, then use the formula given to calulate the shear viscosity according to the shear rate 0.01 1/s. To apply the interpolation mode, first you need to set the interpolation range and interval. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -42-...
  • Page 43 0, 1, 2, 3, 4, 5 … 499999, 500000 1/s. Notice that more points on the curve takes more processing time, especially for complicated curve fitting method like Modified-Cross model. Some crazy values may kill the program. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -43-...
  • Page 44 If two or more tests that meet the criteria of Bagley correction are selected, the indicator on the right of the “Special Graphs” select box will turn to green, which means all the correction-based data are unlocked and can be plotted. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -44-...
  • Page 45 Select the Test, Load and Sensor, input the melt density and click CALCULATE. 8. Special Graphs There are three types of special graphs. First is the “Entrance Pressure” which shows the process of getting the entrance pressure for bagley correction. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -45-...
  • Page 46 Second is the “Rabinowitch Correction” which shows the process of getting rabinowicth correction constants. Third is Viscosity-Temperature which offers the functionality to predict viscosity for a certain material under a certain temperature (under development). LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -46-...

  • Page 47: Rheosights Reports

    1. Print Report using Printers (including Microsoft print to pdf) Click the “Print” button on the bottom of the popup report window and you will have the options to print it. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -47-...
  • Page 48 "Edit" Smart Key and scroll through the sensor selections until the display reads "Device Not Entered" or you locate the sensor device you wish to use, and press the "Select" smart key. The sensor that you selected is now active. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -48-...
  • Page 49 Comparing runs made at different temperatures gives insight into the stable lifetime of a material in an extruder at various temperatures. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -49-...
  • Page 50 Note the test at 232 °C does not extend much past 13 minutes this is because the test was stopped, the die removed and the sample purged before it could degrade any further in the barrel. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -50-...
  • Page 51 Constant stress tests on degrading material tested in the non-Newtonian region have viscosity vs. time curves, which fall faster than the corresponding viscosity vs. time data, collected at constant rate. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -51-...
  • Page 52 D3835 precision and bias statement found at the end of the ASTM document. The value is on the order of 8%. See ASTM method D3835 for a graphical display of round robin results. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -52-...
  • Page 53 From lab to production, providing a window into the process Accuracy The PRT'S on DYNISCO POLYMER TEST Inc. rheometers are calibrated to NIST traceable standard temperature boxes, which are recalibrated every 6 mo. by NIST. Die diameters are checked with hardened, class X gage pins (+/- 20 millionths accuracy).

  • Page 54: Formulas Used In Data Analysis

    = diameter of the capillary (die) = the load on the plunger (Ram) Example: For a Ram load of 800 Newtons, die of diameter 1.0 mm and length 20 mm. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -54-...

  • Page 55: Apparent Shear Viscosity

    =diameter of the barrel = diameter of the capillary (die). (Assumes no leakage.) Example: If the plunger moves a distance of 10 mm in 4.5 seconds therefore: π /sec 9.541 /min LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -55-...

  • Page 56: Mass Flow Rate Calculation

    Note 2: Strictly speaking all calculation shown above are "apparent values" since they assume Newtonian behavior and that the entire pressure drop occurs in the die (no entrance or exit effects). LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -56-...

  • Page 57: Introduction To Rheology

    In the simple shear geometry, the gap and area remain constant throughout the  deformation process. a. Extensional Deformation Other definitions are used and depend upon the reference frame chosen for the observation. The above definitions are common. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -57-...
  • Page 58 Limited volumetric data (PVT) can be collected for the molten material using a solid die, special sealing plunger and pressure transducer. 2. Newton’s Law τ µ γ  Shear Stress Newtonian Shear Viscosity Rate LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -58-...
  • Page 59 It is often easier to see if the material is behaving like a Newtonian material by looking at a viscosity vs. shear rate plot. Viscosity is constant (slope=0.0) for both log-log and linear- linear plots of viscosity vs. shear rate as shown in the examples below. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -59-...
  • Page 60 From lab to production, providing a window into the process Or the same data the precipitous viscosity drop can be displayed more clearly in the log-log plot shown in the following. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -60-...
  • Page 61 From lab to production, providing a window into the process LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -61-...

  • Page 62: Viscosities Of Some Common Materials

    Note that some materials usually considered solid, such as glass, actually have a very low flow rate, even at high stress levels, and thus an extremely high viscosity. Viscosities of some Common Materials LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -62-...

  • Page 63: Pseudoplastic

    If a material degrades chemically to a lower molecular weight this will be a non-reversible effect. Rheopectic Rheopectic materials generally increase in viscosity with time. Crosslinking or further polymerization can cause this increase in viscosity to occur. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -63-...

  • Page 64: Where: Η Is Viscosity, Τ Is The Shear Stress And Γ Is The Shear Rate

    8. Equations and Corrections Viscosity is Shear Stress over Shear Rate: τ η γ • Where: η is viscosity, τ is the shear stress and γ is the shear rate. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -64-...
  • Page 65 Physically the viscosity is proportional to the force on the plunger divided by the speed of the plunger. As can be seen in the equation, viscosity is strongly dependent on barrel and die radius. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -65-...
  • Page 66 L/D=0. The pressure at this point represents the extraneous pressures, which can be subtracted so the true viscosity can be calculated. (See the section Corrected Shear Stress.) LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -66-...

  • Page 67: Advantages Of A Pressure Transducer

    (equation shown above) is an underestimate of the true shear rate. This results in an over estimation of the viscosity. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -67-...
  • Page 68 Pressure axis (P ) or Force axis (F ). To obtain the true shear stress use the following equation: − − τ LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -68-...
  • Page 69 Thus, at higher shear rates (short time in the die) the extrudate swell is generally larger than at lower rates. Swell also tends to decrease with temperature, as most materials become less elastic as they are heated. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -69-...
  • Page 70 Though PVC itself is not very moisture sensitive, some of the additives used can be. You may wish to see if drying the sample affects your results. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -70-...

  • Page 71: Maintenance And Calibration

    Press the right smart key () until the model (e.g. 7000) is viewed above the SELECT smart key. Press the SELECT smart key. Press the ENTER smart key. Press ESC key on keypad twice. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -71-...
  • Page 72 Once assured of the calibration units’ accuracy, calibrate the rheometer's force unit by the following procedure (explicit details follow below): Details: Zero the rheometer force reading LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -72-...
  • Page 73 Press . LC R-CAL is displayed and should read: 72.920%. Press . LC SEQUENCE is displayed and should be blank. Press ESC once on keypad. Press SAVE smart key. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -73-...
  • Page 74 Press SELECT smart key. Press RCAL smart key. Auto Identification Press SYS on keypad. Press TEST smart key. Press  once and CH1 TEST DISPLAY should appear at top of display. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -74-...
  • Page 75 Press R-CAL key on keypad. Press ENTER smart key. Press CLR key on keypad. Enter typical value from Table 3.2 below. Locate load cell capacity then enter the typical value. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -75-...
  • Page 76 Press  once. CHANNEL #1 SENSOR should appear at the top of the display. Press SELECT smart key. Press SINGLE smart key. Rotate, if necessary, the calibration load cell such that the bolt heads are facing up. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -76-...
  • Page 77 Insert wieland plug labeled 354 C into TS3 (RTD) located at left rear of motherboard (4051-100F). Press SYS key and CAL smart key. Select RTD Sensor. Select DOUBLE. Press STABLE smart key. Enter 354 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -77-...
  • Page 78 Place long insulator on probe. Place short aluminum spacer on probe. Place probe in barrel. Allow unit to stabilize at 190° C for 45 minutes. Calibrate unit at 190° C. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -78-...
  • Page 79 Use the number pad on the right side of the keypad to enter 350. Press ENTER. Press ESC key on keypad twice. Press SAVE smart key. The system will now ramp to 350° C. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -79-...
  • Page 80 Allow machine to re-stabilize at 300° C for 45 minutes. Record temperature. Change temperature set point to 230° C. Repeat steps 2.13.1 through 2.13.5 replacing 350 with 230. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -80-...
  • Page 81 7002 are designated for sensor channel 1 and 2. Therefore, when initializing the first PT for the 7002, substitute sensor channel #2 with sensor channel #1 in the steps below. Connect PT sensor. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -81-...
  • Page 82 Perform step from Section 3 for any additional PTs. If a duplicate PT (a pressure transducer of the same range) is to be included with the order the PT SEQUENCE option LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -82-...
  • Page 83 Press SYS on keypad. Press TEST smart key. Press  once and CH1 TEST DISPLAY should appear at top of display. Press SELECT smart key. Press ID smart key. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -83-...
  • Page 84 Press R-CAL key on keypad. Press ENTER smart key. Press CLR key on keypad. Enter typical value from Table 3.4 below. Locate PT capacity then enter the typical value. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -84-...
  • Page 85 For the most accurate measurements, the pressure transducer reservoir should be clean so that previously tested material will not influence the read. Calibrate the Pressure Transducer by pressing R-CAL on rheometer keypad ONLY when: LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -85-...
  • Page 86 ISO specs. If it has not passed the ISO pins but passed the ASTM pins it should be marked as meeting ASTM specs. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -86-...

  • Page 87: Galaxy

    The poles, which guide the crosshead-load cell assembly, can become dry and cause stick- slip sliding (which may cause measurement errors) and a squeaking sound. A short spray of WD-40 or similar lubricant will remedy this. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -87-...
  • Page 88 .672 C'BORE X .625 DEEP 3/4-10 BOTTOM TAP 7.000 +/-.005 BARREL BO RE 1.980 RTD HOL E THERMOM ET ER HO LE BOTTOM TOP VIEW SIDE VIEW VIEW LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -88-...

  • Page 89: Extras

    Shear rates at the specific stresses σ and σ are determined from the fit. (A fit of rate vs. stress can also be done.) LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -89-...
  • Page 90 σ level. (Note the 1.83 applies only to the higher stress level.) σ γ γ   γ  A unitless value. γ  LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -90-...

  • Page 91: Troubleshooting

    (bigger gaps when measured cold). If the tip is worn replace it. If it is OK and you still see significant material going past the tip you may wish to LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -91-...
  • Page 92 SHIFT then DN then YES, as usual, to purge. 10. "The X-Head of the rheometer will only move Up but not Down and / or the test will not start when I press the RUN button." LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -92-...
  • Page 93 Is the PRT well clean? Poor contact between PRT and barrel can cause poor • temperature control. • Is bottom limit switch set correctly? (3 mm of plunger movement when at bottom limit switch?) • LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -93-...

  • Page 94: Parts List

    From lab to production, providing a window into the process Parts List Call DYNISCO or your local representative for the latest pricing information. Orders can DIES and ORFICES also be placed at that time. A purchase order number will be required.
  • Page 95 CZ591-30 Z591-30 1.501 3.59615105 0.174608828 CZ700-30 Z700-30 1.77 2.193108928 0.20590115 6.231370067 0.1744925 CZ492-20 Z492-20 1.24968 24.9936 11.59575092 0.232656667 CY400-15 Y400-15 1.016 15.24 2.25907984 0.290820833 CZ690-12 Z690-12 1.7526 21.0312 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -95-...
  • Page 96 '98. Previous to '98 ASTM specification was larger) Note 2: Full die entrance angles are given (not half angles): X=120°, Y=90°, W= 60°, Z=180°; thus a 120° angle 0.040 diameter 15:1 L/D is a X400-15 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -96-...

  • Page 97: Die Design And Configuration

    From lab to production, providing a window into the process Die Design and Configuration LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -97-...

  • Page 98: Supplied Hand Tools

    It comes with a rechargeable battery and charging unit and lasts about a week per charge in your average laboratory (works great with indexers too). LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -98-...
  • Page 99 It comes with a rechargeable battery and charging unit and lasts about a week per charge in your average laboratory (works great with indexers too). LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -99-...

  • Page 100: Lcr 7000 Spare Parts List

    2052-66LLS 2052-66LLS Plunger Rod (only) 0051-43 6052-15 6052-15 Plunger Guide Bushing 0051-44 6052-14 6052-14 Complete Plunger Assembly 2052-300 6052-300 6052-300 6052- 6052- Complete Plunger/Lined Barrel 2052-300H 300LLS 300LLS LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -100-...
  • Page 101 8052- Pressure Transducer 200 Bar 150M1ID 150M1ID 150M1ID 8052- 8052- 8052- Pressure Transducer 700 Bar 151MID 151MID 151MID 8052- 8052- 8052- Pressure Transducer 1000 Bar 152MID 152MID 152MID LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -101-...
  • Page 102 LCR 7002 153MID 153MID 153MID 8052- 8052- 8052- Pressure Transducer 2000 Bar 153MHID 153MHID 153MHID Pressure Transducer Port Cleaning 8052-155 8052-155 8052-155 RTD, Platinum 7052-13S 7052-13 7052-13 RTD's, Platinum: LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -102-...

  • Page 103: Navigating The Keypad

    From lab to production, providing a window into the process The keypad provides all of the means necessary for programming the Dynisco Rheometer. Navigating the Keypad Other functions that can be performed on the keypad include calibration, instrument tests and parameter setups.
  • Page 104 Brightness can be adjusted in the SYSTEM TEST mode. 12. SMART KEYS - Main Keys used for browsing, selecting and entering values and parameters. Dynisco provided three keypads below the VFD, to allow for quick navigation of the machine interface. The functions of theses keys change depending on the mode of operation.

  • Page 105: Conversion Factors

    1.00E-06 lbf-sec/ft2 Pa-sec 4.79E+01 Pressure or Stress To Convert From Multiply By 6.89E+03 lbf/in2 6.89E+03 Atm (STD) 1.01E+05 Atm (1 kgf/cm2) 9.81E+04 1.00E+05 dyne/cm2 ksi (kip/in2) 6.89E+06 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -105-...

  • Page 106: Example Runs

    From lab to production, providing a window into the process Example Runs 1. Polyethylene-Terephthalate I.V. Test LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -106-...
  • Page 107 From lab to production, providing a window into the process 2. Acrylonitrile-Butadiene-Polystyrene (ABS) LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -107-...
  • Page 108 From lab to production, providing a window into the process 3. Nylon LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -108-...
  • Page 109 From lab to production, providing a window into the process 4. Glass Filled Polyurethane LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -109-...

  • Page 110: Support Vendors

    Park Ridge, IL 60068 (708) 825-2200, Fax 825-0825 Order Diameter Probe #029 Probe, N-6 Needle, 0.0001 dial indicator, 8mm holder, #029 ring (0.375"), 0.315" x 10" Depth Extension LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -110-...
  • Page 111 Canada V4G 1C9 Tech Assistance (800)926-8999 (604) 940-0975 or call Fisher Scientific Thermometers PRINCO Instruments Inc. (Accepts Hg for Recycle) 1020 Industrial Highway Southampton, PA 18966 (215) 355-1500 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -111-...

  • Page 112: Ram Rate / Shear Rate Table

    From lab to production, providing a window into the process RAM Rate / Shear Rate Table LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -112-...

  • Page 113: Reference Books

    Process and Theory The Dynisco Injection Molders Handbook, Tony Whelan and John Goff 1991 The Dynisco Polymer Test Practical Rheology Handbook, Tony Whelan and John Bryson (Ed. DeLaney & Reilly) 1999 The Dynisco Extrusion Processors Handbook, Tony Whelan and David Dunning (Ed. De...
  • Page 114 Elsevier, New York 1990. Third Ed Viscoelastic Properties of Polymers J. D. Ferry, Wiley & Sons, 1980 Rheology of Polymeric Systems P.J. Carreau, D. De Kee, & R.P. Chhabra Hanser, 1997 LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -114-...

  • Page 115: Glossary Of Terms

    The load is constant at each point and set at 900N. The Sample Length should be about 5mm. After pressing RUN the test begins like any other test (described in the previous LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -115-...
  • Page 116 For thermal degradation runs increase or decrease the Test Delay and or the number of points in the test to achieve the total time needed to quantify the degradation. LCR7000 & RHEOSIGHTS P/N: 974194 | Rev: A ECO: 52468 www.dynisco.com -116-...

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