`
`Created by Mark Strachan
`
`1
`
`EX1093
`Yita v. MacNeil
`IPR2020-01139
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`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
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`THE MATCHED METAL MOLD FORMING TECHNIQUE IS USED FOR THE FORMING OF DIFFICULT PLASTICS SUCH AS
`EXPANDED POLYSTYRENE, HDPE, OPS AND OTHERS.
`
`IT IS ALSO PERFECT FOR HIGH PRECISION PARTS SUCH AS MEDICAL PACKAGING
`FOAM TRAYS
`MEDICAL PACKAGING
`
`LARGE FORMAT PARTS
`
`Created by Mark Strachan
`
`Excellent definition on
`this side of part
`
`Excellent definition on this side of
`2
`part
`
`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
`
`Matched Mold Tooling
`
`UPPER PLATEN
`FIXED (NON MOVING)
`
`MOVING HALF OF SHEET
`CLAMP BAR
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`SHEET TRANSPORT SYSTEM
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`Sheet Line
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`LOWER PLATEN
`FIXED (NON MOVING)
`
`Created by Mark Strachan
`
`UPPER TOOL PLATEN ACTUATOR
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`UPPER MOVING TOOL PLATEN
`
`THE MALE MOLD HALF
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`THE FEMALE MOLD HALF
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`LOWER MOVING TOOL PLATEN
`
`LOWER TOOL PLATEN ACTUATOR
`
`
`
`THE MATCHED METAL FORMING PROCESS
`
`ne
`
`oe
`
`|Zs—
`
`4
`
`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
`
`THE MATCHED METAL FORMING PROCESS
`1. THE HEATED SHEET IS INDEXED FROM THE OVENS AND INTO THE FORM STATION
`
`Created by Mark Strachan
`
`5
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`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
`
`THE MATCHED METAL FORMING PROCESS
`2. THE LOWER MOLD HALF MOVES TO SHEET LINE TO SUPPORT THE SHEET CLAMP (ON UPPER MOLD)
`
`Created by Mark Strachan
`
`6
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`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
`
`THE MATCHED METAL FORMING PROCESS
`3. THE UPPER MOLD HALF IS MOVED DOWN TO SHEET LINE – THE SHEET CLAMP, CLAMPS THE SHEET FIRMLY AROUND
`THE MOLD CAVITY
`
`Created by Mark Strachan
`
`7
`
`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
`
`THE MATCHED METAL FORMING PROCESS
`4. WITH THE SHEET HELD FIRMLY AROUND THE MOLD PERIMETER, THE POSITIVE MOLD STARTS STRETCHING THE
`SHEET INTO THE NEG MOLD CAVITY
`
`Created by Mark Strachan
`
`8
`
`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
`
`THE MATCHED METAL FORMING PROCESS
`5. THE PLASTIC IS SQUEEZED FIRMLY BETWEEN THE TWO MOLD HALVES.
`6. THE AMOUNT OF SQUEEZE IS SET BY THE PLATEN CLOSING DISTANCE
`
`Created by Mark Strachan
`
`9
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`
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`MATCH METAL THERMOFORMING FOR FOAMED PARTS
`
`THE MATCHED METAL FORMING PROCESS
`7. OFTEN, VACUUM IS APPLIED TO EITHER THE LOWER NEG MOLD OR BOTH MOLDS – THIS ENSURES:
`• BETTER FORMING DEFINITION
`•
`IN THE CASE OF FOAM SHEET, IT HELPS TO EXPAND THE WALL THICKNESS FOR A THICKER PART
`
`Created by Mark Strachan
`
`10
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`END OF SEQUENCE
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`
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