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MIXER USE: PRELIMINARY OPERATIONS 

 

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SWITCH ON THE MACHINE WITH THE MAIN REAR  GENERAL SWITCH. 

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LIFT UP THE TOP MOTOR 

( M )

  WITH KNOB 

( A ) 

AND TURN IT TO THE RIGHT SIDE OF THE UNIT. 

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REMOVE THE CAP  

( REF 7 )  

FROM THE BLADE COVER  

( B )

 

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REMOVE THE TOP MIXING COVER WITH  ITS BLADE 

( B ) 

FROM THE MIXING CHAMBER

 ( C )

 

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LIFT UP THE COMPLETE MIXING CHAMBER  

(  C )

 AND PLACE IT READY FOR THE INVESTMENT 

POWDER LOADING. ( MIXING CONTAINER ALWAYS DRY PLEASE ) 

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PLACE THE FLASKS TO BE PROCESSED ON THE ROUND FLASK PLATE 

( D ): 

YOU COULD TAKE

 

OUT THE FLASK PLATE FROM ITS LOCATION FOR EASY PREPARATION OF FLASKS DISPOSITION. 

BE SURE TO MATCH THE EXAGONAL PIN WHEN REPLACING THE FLASK PLATE ON ITS ORIGINAL 

POSITION. 

 

INVESTMENT POWDER LOADING AND MIXER PREPARATION: 

 

BE  SURE THAT BOTTOM POURING VALVE TAP ( REF 8 ) IS CLOSED. 

WE SUGGEST TO PLACE THE MIXING CONTAINER ON A DIGITAL SCALE AND MAKE THE TARE 

BEFORE LOADING THE INVESTMENT POWDER IN THE QUANTITY NEEDED. 

OTHERWISE MAKE THE EXACT WEIGHT OF THE POWDER AND POUR IT INTO THE CHAMBER 

AVOIDING BREATHING THE INVESTMENT DUST. USE ALWAYS MASK AND GLOVES PROTECTION ! 

 

ONCE LOADED, PLACE THE MIXING CONTAINER ON ITS LOCATION CARING: 

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A)  CORRECT MATCHING FOR THE MIXING CONTAINER ON THE FLASK CHAMBER 

(REF. F )

  

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B)  CORRECT MATCHING OF THE STICKER LINE REFERENCE BETWEEN THE LOWER MIXING 

CONTAINER BASE AND THE FLASK  PLEXIGLASS CHAMBER.

 (REF. E) – 

TWO VERTICAL

 

REFERENCES LINES

 

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INSERT THE MIXING BLADE 

(REF. G)

  INTO THE MIXING CHAMBER CARING THAT COVER WILL 

SEAL PERFECTLY THE CHAMBER TOP. 

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LOCATE THE TOP MOTOR IN THE ORIGINAL POSITION CARING TO INSERT THE TRANSMISSION 

SHAFT CORRECTLY. ( if the operation get DIFFICULT and not matching: SIMPLY START AND STOP  

THE MIX BUTTON ON THE CONTROL PANEL.  

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PLACE AGAIN THE CAP 

(REF. 7 )

 IN THE ORIGINAL POSITION 

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VERIFY THAT ITS TAP 

(REF. 6 )

  IS CLOSED ( CROSSING PERPENDICULARLY THE PIPE DIRECTION ) 

 

 

 

 

 

 

 

                   Example: as described above  

                                (KG. 1,7 POWDER ) 

          TOP LEVEL LINE 

-----   OF WATER  

1

  MEANS THAT WE HAVE LOADED  

KG. 1 OF DRY POWDER 

The quantity of water from top line until 

line indicating 1 is the 40% ratio (400 cc. ) 

Summary of Contents for ST. LOUIS 82

Page 1: ...1 VACUUM INVESTMENT MIXER ST LOUIS 82 INSTRUCTION MANUAL ...

Page 2: ... TRANSPORT 4 TECHNICAL DATA 5 VACUUM PUMP CONNECTION 5 PRELIMINARY OPERATION 5 WATER CONNECTION FROM THE MAIN WATER PLANT SEPARATE TANK 5 ST LOUIS 82 REFERENCE CHART 6 ST LOUIS 82 CONTROL PANEL WATER DOSING STICKER SPECIFICATIONS 7 MIXER USE PRELIMINARY OPERATIONS 8 MIXER USE PART 2 9 UNIT DRAWING PARTS LIST 10 17 ...

Page 3: ...cable Harmonized Standards EN ISO 12100 2010 Safety of machinery General principles for design risk assessment and risk reduction EN 349 1993 A1 2008 EN1037 2008 EN ISO 3744 210 EN ISO 11201 2010 EN ISO 138549 1 2008 EN 13850 2008 safety of machinery principle for design EN 60204 1 2006 A1 2009 EN 61000 6 2 2005 electromagnetic compatibility EMC generic standards immunity for industrial environmen...

Page 4: ...HANGED WILL NOT EXTEND THE WARRANTY PERIOD GENERAL NOTES St Louis vacuum mixers are machines studied and designed for the investment mixing and flask mold filling for the lost wax casting of the jewelry making process The main concept of the St Louis mixing units is the total operativity under vacuum situation Traditionally investment was mixed with water in open air and with this process the fina...

Page 5: ...T OPERATES WITH A VACUUM PUMP CAPACITY 18 CBM HOUR THE VACUUM PUMP IS SUPPLIED SEPARATELY AS INTEGRATED PART OF THE UNIT ON THE REAR PART OF THE MACHINE BASEMENT FIND THE VACUUM PIPE HOSE CONNECTOR AND THE 220VOLTS PLUG ONLY FOR THE VACUUM PUMP THE VACUUM POWER IS SUPPLIED DIRECTLY FROM THE MIXER DO NOT USE THIS PLUG FOR DIFFERENT PURPOSES WATER SUPPLY CONNECTION FROM THE MAIN FACTORY WATER PLANT ...

Page 6: ...ATIONS The sticker on the dosing water tank is indicating kg and pounds with numbers from 0 to 9 kg IT IS PRINTED CONSIDERING THE STANDARD RATIO 1 KG DRY INVESTMENT POWDER 400 CC WATER THE STICKER LINES AND NUMBERS ARE INDICATING THE DRY POWDER GRAMS or POUNDS FROM TOP LINE WATER LEVEL under KG printed THE QUANTITY OF WATER CORRESPONDING TO EACH KILOGRAM IS 400 CC Practical example IF WE HAVE LOAD...

Page 7: ...TY NEEDED OTHERWISE MAKE THE EXACT WEIGHT OF THE POWDER AND POUR IT INTO THE CHAMBER AVOIDING BREATHING THE INVESTMENT DUST USE ALWAYS MASK AND GLOVES PROTECTION ONCE LOADED PLACE THE MIXING CONTAINER ON ITS LOCATION CARING A CORRECT MATCHING FOR THE MIXING CONTAINER ON THE FLASK CHAMBER REF F B CORRECT MATCHING OF THE STICKER LINE REFERENCE BETWEEN THE LOWER MIXING CONTAINER BASE AND THE FLASK PL...

Page 8: ...HE VACUUM LEVEL IS KEEPING IT WITH ENOUGH SUCTION CHECK THE VALUE ON VACUUM GAUGE REF 9 AND BE SURE THAT A GOOD VACUUM SITUATION IS BETWEEN 60 AND 76 DEPENDING OF THE ALTITUDE FROM SEA LEVEL MIXER USE DELICATE AND PRECISE OPERATIONS ONCE THE VACUUM LEVEL HAS BEEN REACHED SWITCH OFF THE VACUUM PUMP ALWAYS OPERATES IN THIS PROCESS STEP UNDER VACUUM BUT WITH THE PUMP OFF TO AVOID ECCESSIVE BUBBLING O...

Page 9: ...o flask size and quantity c Switch off the vibration d Release vacuum by opening vacuum tap REF 5 until vacuum gauge will reach zero e FINAL OPERATIONS f Leave flasks into the unit for the mixture hardening g Remove the mixing chamber and the mixing blade and care to wash and rinse all their parts specially the bottom part of the mixing container where it is located the pouring valve and its sprin...

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