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Table of Contents
Related Manuals for Rhopoint Hanatek CFT
Summary of Contents for Rhopoint Hanatek CFT
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Page 1: Operating Instructions
Compact Friction Tester Operating Instructions ISS C, June 2016 Thank you for purchasing this Rhopoint product. Please read these instructions carefully before operating this product and retain them for future reference. The images shown in this manual are for illustrative purposes only. - Page 2 This instruction manual contains important information about the setup and use of the Rhopoint Hanatek compact friction tester. It is therefore essential that the contents be read before powering up and using the instrument. If this instrument is passed to other users you must ensure that the instruction manual is supplied with the instrument.
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Page 3: Table Of Contents
Contents Instrument Placement and Handling ..................3 About the Compact Friction Tester (CFT) ................3 Accessories .......................... 3 Functional overview ......................4 Power ........................... 5 Switching on the unit ......................5 Options Menu 1 ........................7 Options Menu 2 ........................9 Setting Time and Date ...................... -
Page 4: Instrument Placement And Handling
Instrument Placement and Handling To ensure safe and reliable operation of this instrument it should be placed on a rigid, flat level surface. Avoid using the instrument in environments where there are vibrations. For best results the instrument should be used in a temperature controlled environment. -
Page 5: Functional Overview
Functional overview Figure Label No. Function Instrument top plate Display Touch sensitive buttons Automatic lowering system pins Top plate sample clamps Calibration check stand 200g Testing Sled Measuring cell and sled link Load cell height adjustment knob USB data connector, Power input and switch... -
Page 6: Power
Power The CFT is powered by a low voltage DC (24v) power supply connected to the instruments power input connector. Located next to the DC power in socket there is a master power switch. Switching on the unit With the power supply connected and the master power switch on the instrument is switched on by pressing any of the button indicators on the front screen. - Page 7 Press the Home Button to return the load cell arm back to the home position. The Settings and Tare icons will now be displayed. Always remove the sled and samples from the instrument before returning the load cell to the home position. Ensure there is 0 load on the load cell.
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Page 8: Options Menu 1
Options Menu 1 Press the options menu button Label No. Function Test Method Options Dwell Time Test Distance Return to Main Screen Options Menu 2 Test Method Options Pressing this button will enter the test method options menu. The user can select from a pre programmed test method based on several standards or create their own custom method. - Page 9 Custom Settings will allow the user to configure test parameters. Press the sled weight icon (A) to cycle between 200, 600 and 800g sled weight. Press the button (C) to return to the main screen. Press the speed icon (B) will enter a new screen shown below, the speed can be set between 100-1200mm/min in 10mm/min increments.
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Page 10: Options Menu 2
Options Menu 2 From the options screen 1 press button 5. Label No. Function Time and Date Home Position Adjust Live Load Cell reading Return to Main Screen Options Menu 1... -
Page 11: Setting Time And Date
Setting Time and Date Press button from options menu 2 to access the time and date screen Label No. Function Return to Main Screen Adjust Time and Date... -
Page 12: Adjusting The Home Position
Press Button 2, the first field to be adjusted will be highlighted in green. Use the buttons to adjust the time and date up and down. Pres Button 2 to adjust the next field. Once complete press button 1 to return to the main screen. - Page 13 When in the home position menu press the button (2) again to move the load cell arm to the current home position setting. The load cell arm will move so ensure there are no obstructions such as the sled. Label No. Function Lifting pins UP Return to current home setting...
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Page 14: Sample Preparation And Loading
Sample Preparation and Loading The CFT is generally used to measure the slip between two surfaces. One sample is placed on the instrument test bed and the other on the sled. Test Bed Sample The clamps either end of the instrument test bed will allow a sample of 70mm x 350mm (min) to be secured on the test bed. - Page 15 95mm. Place the sample on the sled and secure with magnet bars either side. For quicker, easier and safer sample preparation please see the Rhopoint/Hanatek universal sample cutter.
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Page 16: Adjusting The Load Cell Height
Adjusting the load cell height The load cell link on the sled and the load cell should be level. If the load cell is too high it will elevate the front of the sled reducing the contact of the sample. Use the thumb screw on the load cell arm to unlock the mechanism. -
Page 17: Making A Measurement
Making a measurement Once the samples have and fitted to the test bed and sled the test can be run. First check the test parameters on the right of the screen. If anything is incorrect go back to the menu and adjust the test parameters as described earlier in the manual. Press the Green tick button to start the test During the test run the emergency stop button is shown... - Page 18 During the test a live reading from the load cell is shown on the graph. When the test has finished the graph will re-scale to maximize the graph display. The COF Static and COF Dynamic will be displayed bottom right of the screen. At this point the data export button is active press this to export the data to your attached device as described in the next step.
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Page 19: Data Transfer
Data transfer The CFT instrument has two data transfer options Export to USB data stick, (Standard with all instruments) The data stick included with the instrument allows the transfer of measurement data in .csv format for analysis using Microsoft Excel. By plugging the data stick into the instruments USB interface data is transferred after each measurement by pressing the download key (1) indicated on screen. -
Page 20: Load Cell Protect
Load Cell Protect The transfer CFT has built in load cell protection. If during the return of the load cell a negative force is seen the instrument will stop movement. Move Failure Sensor Stop will be displayed on the screen. A red cross icon will flash indicating an emergency stop. -
Page 21: Calibration Check
Calibration Check Check Zero From the 2 options menu press the button The instrument will now show a live load cell reading. In normal operation orientation this should be a stable zero reading +/-0.1 drift is acceptable. If the reading is not zero return to the home screen and press the button then re- check. - Page 22 On the live load cell reading note the value shown. This is the mass of the load cell and sled coupling. Use calibration weights on the back of the load cell or hang the 200g sled off the load cell coupling to check the force readings of the instrument.
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