918959

SME EM910112

Resin Transfer Molding With Flow Based Machinery

standard by Society of Manufacturing Engineers , 06/01/1991

Raymer, John

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Full Description

CONVENTIONAL RTM SYSTEMS ARE COMMONLY POWERED BY PNEUMATIC PRESSURE-BASED PUMPING SYSTEMS. THESE SYSTEMS BEGIN THE MOLD-FILL CYCLE WITH A RAPID BURST OF FLOW ENERGY AT THE INLET OF THE MOLD. IN MANY CASES, THIS CAUSES A FIBER WASH PATTERN AT THE INJECTION PORT AND AIR ENTRAPMENT THROUGHOUT THE PART. THIS PAPER EXAMINES A SYSTEM OF FILLING RTM MOLDS WITH FLOW-BASED MACHINERY THAT INITIATES THE INJECTION CYCLE WITH A METERED FLOW TO PRODUCE LESS AIR ENTRAPMENT AROUND THE FIBERS AND ADDITIONALLY EXHIBIT LESS FIBER WASHING AT THE INJECTION PORT.
 

Product Details

Published:
06/01/1991
Number of Pages:
5
File Size:
1 file , 600 KB