{"id":4838,"date":"2026-02-05T10:00:44","date_gmt":"2026-02-05T02:00:44","guid":{"rendered":"https:\/\/www.oc-epc.com\/?p=4838"},"modified":"2026-02-09T09:42:59","modified_gmt":"2026-02-09T01:42:59","slug":"advanced-lost-foam-casting-how-eps-forming-machines-drive-precision-and-efficiency","status":"publish","type":"post","link":"https:\/\/www.oc-epc.com\/ja\/%e3%83%8b%e3%83%a5%e3%83%bc%e3%82%b9%e3%83%96%e3%83%ad%e3%82%b0\/%e6%a5%ad%e7%95%8c%e3%83%8b%e3%83%a5%e3%83%bc%e3%82%b9\/advanced-lost-foam-casting-how-eps-forming-machines-drive-precision-and-efficiency\/","title":{"rendered":"Advanced Lost Foam Casting: How EPS Forming Machines Drive Precision and Efficiency"},"content":{"rendered":"

\u30d5\u30a9\u30fc\u30e0\u30ad\u30e3\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u7d1b\u5931<\/strong><\/a>, known as evaporative pattern casting (EPC), works as a useful way to cast metal. It makes use of expanded polystyrene (EPS) patterns. These patterns turn to gas when hot metal pours in. This creates exact spaces without old cores or split lines. The method gives good shape options, smooth surfaces, and less work after casting.<\/p>\n

Lost foam casting works well because of the foam patterns made in the white area. To make exact EPS patterns, foundries need special EPS forming machines (also called foam pattern molding machines or shape molding machines). These machines turn ready beads into clear, firm patterns. They use steam, pressure, and cooling in a set way.<\/p>\n

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Why EPS Forming Machines Are Critical in Lost Foam Casting<\/strong><\/h2>\n

EPS forming machines<\/strong><\/a> build the base for steady pattern making. They make sure beads join evenly, weight stays the same, and shapes match. These points affect casting results right away. Flaws in patterns, like holes or spotty weight, lead to air pockets, missing fills, or wrong sizes in end castings.<\/p>\n

New EPS forming machines use strong water-power parts, number controls, and power-saving builds to fit hard work needs. They handle tricky shapes for parts like engine blocks, gearboxes, valves, and frame pieces in car, machine, and work fields.<\/p>\n

Horizontal EPS Forming Machines: Flexibility and Rapid Mold Changes for High-Mix Production<\/strong><\/h2>\n

Horizontal EPS forming machines<\/strong><\/a> do well in jobs that need change and fast setup shifts. These machines have solid water-lock systems. Pressure spreads out at even spots. This stops steam loss and makes heat spread better.<\/p>\n

Main plus points cover:<\/p>\n