Taber 710 Operating Instructions Manual Download | Manualshive

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INDUSTRIES

9001:2000

ISO

CERTIFIED

Multi-Finger

Scratch/Mar Tester

Model 710

Operating Instructions

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Summary of Contents for 710

Page 1: ...INDUSTRIES 9001 2000 ISO CERTIFIED Multi Finger Scratch Mar Tester Model 710 Operating Instructions ...

Page 2: ...r Industries reserves the right to make changes without notice at any time in colors material specifications and models and to dis continue models CLAIMS FOR SHORTAGES We use extreme care in selection checking and packing to eliminate the possibility of error If a shipping error is discovered 1 Carefully examine the packing materials and ensure nothing was inadvertently overlooked when the shipmen...

Page 3: ...aft fingers into the guide bearings by matching the pattern on the shaft and bearing Each bearing has been pre adjusted at the factory If a shaft DOES NOT slide easily through the bearings see MAINTE NANCE Spline Shaft Finger Adjustment INTRODUCTION The Taber Multi Finger Scratch Mar Tester is used to measure the relative resistance or sus ceptibility of a material surface to scratching marring go...

Page 4: ... parts smaller or slightly contoured samples may be used To test specimens that exceed the 22mm thick ness spacer blocks may be inserted into the support arms of the gantry OPERATING PROCEDURES Prior to testing it is recommended that all sam ples be preconditioned in a controlled atmos phere such as 23 2 C and 50 5 relative humidity for not less than 24 hours Samples should be tested under the sam...

Page 5: ...ening the lock thumbnut Lower the scratch mar tips onto a dummy test specimen and verify the speed adjustment To calculate the platform speed divide 100mm by the time shown on the display X WARNING It is possible for the speed of the platform to exceed the capacity of the automatic Start Stop of the electronic timer Should this occur disconnect the timer and operate electronic timer by hand using ...

Page 6: ...gth of time between scratch and evaluation Plastics The properties of plastic materials can greatly influence the evaluation of scratch and mar resistance It is important to be aware of the fol lowing factors and take them into consideration 1 Many plastics have elastic recovery upon removal of applied stress 2 Many plastics have visco elastic properties and the stresses in the plastics may relax ...

Page 7: ...place WARNING DO NOT OVER TIGHTEN SET SCREW Spline shaft will no longer move freely through bearings 6 Tighten set screw 4C on the opposite side of the gantry until spline shaft moves freely 7 Re attach weight and tighten set screws Load on Specimen Surface To check the loading forces measure directly under the scratch mar tip using a spring bal ance or equivalent If necessary adjust the weight s ...

Page 8: ...y and turn clockwise to securely lock in place Reinstall the fill plug The unit is ready for use ADJUSTING DELIVERY RATE The oil delivery rate will change automatically to deliver more oil during increase airflow demand and less oil for airflow lower than the original setting To adjust and set oil delivery rate the unit must be pressur ized and flowing air Turn the transparent sight dome counter c...

Page 9: ...al Diamond Tool with 90 3 mil 0 003 139 55 121006 Conical Diamond Tool with 90 3 5 mil 0 0035 139 56 121006 1 Precision Weight Kit Used to achieve 0 6N 132740 Optional Weight Set 8N 13N 18N 132401 Optional Weight 25N 132352 5 Standard Specimen Hold Down Clamp Kit each 132455 Oversized EZY Specimen Hold Down Clamp each 132399 Specimen Platform Protective Guard Replacement 132451 3 32 Hex Wrench Rep...

Page 10: ...NOTES ...

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