Study on Burr Generated in Drilling of SMC Composites

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  • ＳＭＣ材穴あけ時のバリ発生に関する研究
  • SMC材穴あけ時のバリ発生に関する研究 : 圧縮成形時の素材シート枚数の影響
  • SMCザイ アナアケ ジ ノ バリ ハッセイ ニ カンスル ケンキュウ : アッシュク セイケイジ ノ ソザイ シート マイスウ ノ エイキョウ
  • -圧縮成形時の素材シート枚数の影響-
  • -Effect of Number of Material Sheets in Compression Molding-

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Abstract

This paper considered about the burr that occurs with drilling of SMC products. SMC products are produced by compressing a material sheet using metal molds (heat it to 145℃). In the material sheet, the glass fiber (about 25 mm in length) and the unsaturated polyester that contained the filler material and the curing starting material (thermosetting type) were put between the polyester films. However, burr generated when SMC product is drilled in the production process often becomes a problem. This paper paid attention between the amount of the burr generation and the number of piled SMC material sheet. The number of piled SMC sheet is one of the conditions in compression molding. As the result, the relation between the amount of the burr generation and the number of piled SMC material sheet was shown experimentally.

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