AFS Foundry Sand Testing Equipment Operating Instructions Manual

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RIDSDALE-DIETERTFOUNDRY HYDROMETER (0 – 90 Baumé)IGENERAL PRINCIPLESThe instrument is used to determine the specific gravityof all types of foundry washes, sprays and coatingmaterials which are heavier than water.IIDESCRIPTIONThe hydrometer consists of a transparent plastic tubingwhich is resistant to organic solvents and has a speciallydesigned stainless steel tip for stability.IIITEST PROCEDURE(a)(b)(c)(d)(e)(f)(g)(h)Check the hydrometer and ensure that it is clean and dry.Gently stir the sample for five minutes. Care should be takento ensure that no air is introduced into the sample.Stop the stirring unit and allow the sample to come to rest (no detectable motion).Place the hydrometer into the sample. Care should be taken to position thehydrometer at least half an inch from the edge of the container or the mixer blade.When placing the hydrometer in the liquid ensure that it does not drop too far. Thehydrometer should be allowed to slide gently from the hand so that it settles slowlyinto the liquid after being released.If the hydrometer is observed to rise after its initial release it has not been properlyplaced in the sample and the test must be repeated starting at step (a).After the hydrometer is placed in the sample it should be allowed to settle for oneminute. At this time the value can be read directly from the hydrometer scale.After the value has been taken measure the temperature of the sample and record.131
RIDSDALE-DIETERTFOUNDRY HYDROMETER (0 – 90 Baumé) (cont’d)IVCALIBRATIONThe Baumé Hydrometer has a zero line on the scale and this can be checked using freshwater at the temperature specified by the manufacturer.(a)(b)Place the <strong>Foundry</strong> Hydrometer in a glass container with the inside diameter of atleast three times that of the outside diameter of the hydrometer.Allow the gauge to equilibrate without touching the bottom of the container.132
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FOUNDRYSANDTESTINGEQUIPMENTOPERATIN
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RIDSDALE SILICA SAND SAMPLER(for ex
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RIDSDALE-DIETERTRAPID SAND WASHER (
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RIDSDALE-DIETERTMETHYLENE BLUE CLAY
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INSTRUCTIONS FOR THE CORRECT USE OF
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RIDSDALE-DIETERTSAND SPECIFIC SURFA
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TABLE IISCREEN ANALYSISBS 410: 1986
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RIDSDALE LABORATORY MILLIGENERAL PR
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RIDSDALE LABORATORY MILL (cont’d)
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RIDSDALE LABORATORY SAND MIXER (con
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RIDSDALE-DIETERT MOISTURE TELLER (c
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RIDSDALE-DIETERT MOISTURE TELLER (c
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RIDSDALE MOISTBALANCE (cont’d)IVT
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RIDSDALE DIGITAL BALANCEOPERATIONAC
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RIDSDALE-DIETERT (AFS)LABORATORY SA
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RIDSDALE-DIETERT(AFS) LABORATORY SA
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RIDSDALE-DIETERT DENSITY INDICATOR
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RIDSDALE-DIETERT FLOWABILITY INDICA
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RIDSDALE-DIETERT COMPACTABILITY TES
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RIDSDALE-DIETERTTENSILE RAMMING ACC
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RIDSDALE-DIETERTTRANSVERSE RAMMING
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RIDSDALE-DIETERT SPLIT SPECIMEN TUB
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RIDSDALE CO 2 GASSING ACCESSORIES (
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RIDSDALE LABORATORY CORE-BAKING OVE
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RIDSDALE LABORATORY CORE-BAKING OVE
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RIDSDALE LABORATORY CORE TEST PIECE
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RIDSDALE LABORATORY CORE TEST PIECE
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RIDSDALE-DIETERT PERMEABILITY METER
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RIDSDALE-DIETERT PERMEABILITY METER
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68RIDSDALE-DIETERT PERMEABILITY MET
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RIDSDALE-DIETERT ELECTRIC PERMMETER
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RIDSDALE-DIETERT MOULD PERMEABILITY
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CORE PERMEABILITY TUBEIGENERAL PRIN
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BASE PERMEABILITY SCREENSThe base p
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RIDSDALE SHATTER INDEX TESTER (AFS)
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Page 115 and 116: RIDSDALE PEEL-BACK TESTER (cont’d
Page 117 and 118: RIDSDALE CALIBRATION EQUIPMENTTUBE
Page 119 and 120: RIDSDALE GAS DETERMINATOR (cont’d
Page 125 and 126: RIDSDALE-DIETERTGREEN HARDNESS TEST
Page 127 and 128: RIDSDALE-DIETERTGREEN HARDNESS TEST
Page 129 and 130: RIDSDALE-DIETERTCORE HARDNESS TESTE
Page 131 and 132: RIDSDALE IMPACT PENETRATION TESTER
Page 133: RIDSDALE-DIETERTMOULD STRENGTH TEST
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AFS Foundry Sand Testing Equipment Operating Instructions Manual

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