BICO VP Vibratory Pulverizer User Manual
Page 4
Bico, Inc.
3116 Valhalla Drive, Burbank, CA 91505
Tel. (818) 842-7179 – Fax (818) 842-7976
BRING DOWN THE HANDLE ON THE LEFT, THEN THE HANDLE ON THE RIGHT. WHILE
BRINGING DOWN THE HANDLE ON THE RIGHT, PULL THE RING TO ENGAGE THE PIN TO
LOCK THE HANDLES. BE CERTAIN THE PIN IS FULLY ENGAGED BEFORE CLOSING THE
CABINET TOP AND STARTING THE MACHINE.
THE CYCLE IS STARTED BY PUSHING THE START BUTTON, AND IS STOPPED BY THE
STOP BUTTON. IF YOUR MACHINE IS EQUIPPED WITH A DIGITAL TIMER, THE REQUIRED
GRINDING TIME SHOULD BE SET PRIOR TO PUSHING THE START BUTTON-THEN THE
TIMER WILL STOP THE MACHINE AFTER THE CLOCK HAS REACHED THE PROGRAMMED
TIME.
TO RELEASE THE CLAMPING SYSTEM SIMPLY PULL THE RING TO DISENGAGE THE PIN.
BE SURE TO APPLY PRESSURE TO THE HANDLE AS IT WILL SPRING UP. LIFT THE
HANDLES AND REMOVE THE BOWL. IF THE LID IS STUCK TO THE BOWL, A HAMMER OR
SIMILAR TOOL SHOULD BE USED TO TAP THE PROTRUDING RIM GENTLY. IT MAY BE
NECESSARY TO WEAR GLOVES AS THE COMPONENTS DO GET WARM DURING
OPERATION. BRUSH THE PARTICLES FROM THE TOP OF THE GRINDING COMPONENTS
AND REMOVE ONE COMPONENTS AFTER ANOTHER WHILE CLEANING, STARTING WITH
THE CENTER PUCK. THEN REMOVE THE CONTENTS OF THE BOWL.
GRINDING TIME DEPENDS ON A NUMBER OF FACTORS:
1. MASS OF MATERIAL
2. HARDNESS
3. PARTICLE SIZE
4. LUBRICATING PROPERTIES
SINCE THE CAPACITY OF THE GRINDING BOWL IS RATED IN ML. RATHER THAN IN
GRAMS, THE MASS OF THE SAMPLE WILL DEPEND ON ITS BULK DENSITY.
FOR SOFT MATERIALS SUCH AS COAL, DOLOMITE, ETC. THE MAXIMUM SIZE OF THE
FEED CAN BE AS LARGE AS 15MM. FOR HARD MATERIALS SUCH AS PRE-REDUCED
IRON ORE, FERRO ALLOYS, ETC. THE TOP PARTICLE SIZE SHOULD NOT EXCEED 5MM.
SOME MATERIALS SUCH AS TALCUM TEND TO LUBRICATE THE GRINDING
COMPONENTS. OTHERS MAY FORM CONGLOMERATES OF PARTICLES ON THE
PERIPHERY OF THE BOWL (CAKING) IN A SHORT TIME. PULVERIZE SUCH MATERIALS IN
INCREMENTS OF .1 MIN. AND CHECK THE FINENESS AFTER EACH INTERVAL. IF THE
REQUIRED FINENESS CANNOT BE OBTAINED WITHOUT CAKING, ADD 2-5 ML. OF
ETHANOL FREON SOLVENT AND PULVERIZE FOR THE TIME PERIOD THAT CAUSED
CAKING IN DRY CONDITIONS PLUS .5 MIN. SAMPLES CONTAINING EXCESSIVE MOISTURE
MAY ALSO CAKE AND SHOULD BE DRIED BEFORE GRINDING,