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Hanatek MFI 4050, Руководство по эксплуатации

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Hanatek MFI 4050 Скачать руководство пользователя страница 7

MFI 4050 

V1.3 

 

7

 
 
Checking Piston Alignment 

It  is  very  important  to  ensure  the  instrument  barrel  and  test  piston  is  aligned 
before use. This should also be checked again after changing to a different test 
mass. 
 
1.  First use the included bulls’ eye spirit level as described previously to ensure 

the instrument is level. 

2.  Fit  the  test  mass  onto  the  weight  lift  platform.  The  2.06kg  or  optional  1.1kg 

test mass fits on the instrument first and has three holes that line up with the 
cone shaped locating posts on the weight lift platform. 

3.  Fit  the  test  Piston  to  the  first  weight  by  pulling  on  the  ring-pull  to  retract  the 

securing clip. Push the piston into the weight and release the ring-pull to lock 
it into place. 

 

 

4.  Select System from the main screen. 

 

 
5.  Press  the  –  button  next  to  Lift  to  manually  lower  the  piston  towards  the 

opening of the barrel. 

Содержание MFI 4050

Страница 1: ...al Issue V1 4 Jan 2016 MELT FLOW INDEXER MODEL MFI 4050 OPERATING MANUAL V 1 3 Rhopoint Instruments Leonards on Sea East Sussex TN38 9AG UK Tel No 44 0 1424 739623 Fax No 44 0 124 730600 www hanatekin...

Страница 2: ...flow than one of low MFR MVR The MFR MVR is also a measure of the molecular weight of a sample and is therefore indicative of the mechanical strength of the material Average molecular weight and MFR...

Страница 3: ...ISTRIBUTIONS MWD the increase in shear stress will differ as well Generally speaking a larger MWD corresponds with greater shear sensitivity i e a higher rate of change in shear rate per unit increase...

Страница 4: ...age heater elements each with independent temperature control and a PT100 sensor This enables temperature stability to be reached within approximately 15 minutes and the total barrel length to be cont...

Страница 5: ...heck the contents against the packing list 2 Place the instrument on a suitable sturdy bench AWAY FROM STRONG DRAUGHTS 3 It is very important to ensure the instrument is level before use Use the inclu...

Страница 6: ...k the remainder of the test accessories and place them in the tool holders located on the top plate of the instrument Temperature Probe Test Piston Cleaning Probe Cut Off Knife Die Cleaning Broach Tes...

Страница 7: ...the test mass onto the weight lift platform The 2 06kg or optional 1 1kg test mass fits on the instrument first and has three holes that line up with the cone shaped locating posts on the weight lift...

Страница 8: ...weight platform are threaded allowing them to be adjusted up and down This will fine tune the piston to barrel alignment Use an Alan Key to move the supporting cones up and down 7 Once aligned press...

Страница 9: ...TELY THIS ENSURES CONSISTENT TEST RESULTS THAT COMPLY WITH THE RELEVANT STANDARDS 2 0 Ensure the die retaining slide plate is in position 3 0 Place the die in the barrel The die and die retaining slid...

Страница 10: ...Power up the instrument by switching on the red mains power buttons at the rear of the instrument Then press and hold the round push button at the side of the instrument until the screen turns on 2 0...

Страница 11: ...within the relevant standard If the instrument has not been calibrated within the last 12 months a reminder screen will be displayed Test Selection 4 0 Before proceeding to the test menus the operator...

Страница 12: ...ion Selecting this option will prompt the user to verify the temperature of the barrel with the probe before commencing every test 5 0 Test selection screen Standard Test The Standard test should be u...

Страница 13: ...ters for the MFI test Temperature Set the test temperature consult the relevant standard or product literature for the recommended test temperature for each polymer type Once the temperature has been...

Страница 14: ...ng these tests excludes segments of the polymer which contained bubbles from the final calculation Cut off time Cut off test only In a cut off test the polymer is manually cut from the die and weighed...

Страница 15: ...o the weight and release the ring pull to lock it into place Pressing OK will lower the piston into the barrel so that all parts reach the test temperature 4 The instrument barrel will heat to the pre...

Страница 16: ...ieved the ready button will become active Pressing the Ready button will raise the piston out of the barrel CAUTION PISTON WILL BE HOT 5 Fill the barrel with approximately 4 grams of polymer using the...

Страница 17: ...MFI 4050 V1 3 17 CAUTION FUNNEL WILL BE HOT 6 Press OK to lower piston into barrel...

Страница 18: ...e back up and hold the piston at the start of the test zone for the remainder of the pre selected conditioning time 8 At the end of the conditioning time the weight lift system is lowered and the pist...

Страница 19: ...ions are also reported Performing a Cut off Test This method should always be used if you do not know the EXACT melt density of the polymer to be tested If in doubt of a polymers MELT DENSITY value us...

Страница 20: ...y stored in a memory slot for future use Select a memory slot that contains a result no longer required 3 Place the die in the barrel and fit the piston to the test weight Pressing OK will lower the p...

Страница 21: ...st stage until the correct temperature is reached When the test temperature is reached the ready button will become active Pressing the Ready button will raise the piston out of the barrel CAUTION PIS...

Страница 22: ...rough the barrel during the conditioning time Once the piston has reached the test zone the weight lift mechanism will come back up and hold the piston at the start of the test zone for the remainder...

Страница 23: ...n labelled containers to ensure they do not get mixed up 11 Continue to cut off and set aside as many samples as is possible When the instrument reached the end of the test zone it will prompt the use...

Страница 24: ...is input in the correct order 13 After the test is complete the test results will be shown and the option to Print the results or clean the instrument Note The instrument should be cleaned after every...

Страница 25: ...MFI 4050 V1 3 25 CLEANING THE INSTRUMENT...

Страница 26: ...ID DAMAGING THE DIE CATCH IT IN THE PALM OF A HEATPROOF GLOVE Sometimes the die can get stuck in the barrel If the Die does not fall out of the barrel place the glove under the barrel and continue to...

Страница 27: ...the barrel the test weight can be locked to the weight lift platform using the Lock pin R clip 5 Place a cleaning patch over the upper barrel opening Press clean the lift mechanism will force the cle...

Страница 28: ...the instrument barrel allowing accurate comparison to the instrument sensors to actual test area temperatures The temperature verification is accessed from the options menu In the options menu there i...

Страница 29: ...f the verification fails indicating a higher then permitted difference between the two sets of sensors then the option to calibrate the instrument will be displayed For further information on calibrat...

Страница 30: ...g this option will avoid the instrument being left on unattended over night if the user forgets to turn it off The emergency stop button easily accessed on the top of the instrument once pressed will...

Страница 31: ...t annually This can be done by a Hanatek approved calibration engineer or the user can self certify the instrument using a Hanatek Calibration pack The calibration pack will enable the user to calibra...

Страница 32: ...the instrument IF REMOVING THE BARREL HOT WEAR HEAT PROOF GLOVES Fit the new inner barrel using the tool Temperature Verification and Calibration The new calibration probe supplied with the calibrati...

Страница 33: ...barrel Follow the on screen prompts to perform a full temperature calibration on the MFI instrument Please be aware that the full calibration can take several hours and during this time the instrumen...

Страница 34: ...Calibrating the Touch Screen To adjust the time and date on the instrument it first needs to be powered down Press and hold all 3 buttons on the front of the MFI instrument and at the same time press...

Страница 35: ...MFI 4050 V1 3 35 Touch to complete the touch calibration Set the new date and time and press EXIT...

Страница 36: ...l Cut off Knife Cleaning Patches 45 box Spirit Level Heat Resistant Gloves OPTIONAL EXTRAS AVAILABLE FROM RHOPOINT HANATEK Additional Test Weight Results Printer SERVICE Contact HANATEK Instruments Te...

Страница 37: ...E MDPE Medium Density P E HDPE High Density P E HMWPE High Molecular Weight P E UHMWPE Ultra High Molecular Weight P E P P Polypropylene EVA Ethylene Vinyl Acetate EPDM Elastomer Modified P E P P CEL...

Страница 38: ...MFI 4050 V1 3 38...

Страница 39: ...This product is supplied as a Monitoring and Control instrument and as such falls within category 9 of the EU directive 2002 96 EC and so is excluded from restrictions under the scope of the RoHS Dir...

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