1. solidification technology called solidification technology, the liquid metal along a certain amount of heat to be discharged, or through the implementation of a liquid metal fast solidification direction, so that the grain growth (coagulation) toward a certain direction, and finally A process for obtaining a single direction of the grain structure or single crystal casting organizations. Due to advances in cooling and control technology, the strength and the direction of heat discharged continuously improve, so that the liquid in the forefront of solid-liquid interface temperature gradient increases, which not only improve the bollard design directional grain growth, And organizations are more slender, straight and extended orientation section. solidification technology has been widely used in casting superalloy turbine blade production, due to the excellent mechanical properties along the directional growth of the organization, the working temperature of the blade greatly improved, so that the aero-engine performance is improved. Latest Development solidification technology is preparing a single crystal castings, such as single crystal turbine blades, it solidified columnar grain blade than the general sequence has a higher operating temperature, thermal fatigue strength, creep strength and corrosion resistance. With this superalloy single crystal blades of aircraft engines, effectively increases the thrust and efficiency of aircraft engines, its performance is greatly improved. Metal smelting and casting process of cast molding process is inseparable from the high-quality refractory materials, quality and intermediate iron melting furnace / ladle refractories will directly affect the chemical composition of the liquid metal cast iron bollards, will castings Comprehensive quality irreparable common adverse effects of the smelting process of casting refractories Category: bricks: silica brick, high alumina brick, corundum brick, brick, brick Mg-Al, MgO-C and other unshaped refractory: Ramming expected bollard, castable refractory cement, silica sand, magnesia 750kn bollard, spreads and lightweight insulation materials such as Qingdao, Chen Hua Machinery Co., Ltd. is an emerging dynamic enterprises Group (features: Qingdao Lee Cang canal southeast foundry, Chen Hua model plant, rubber plant dies, welding sheet metal stamping plant, machining plant, equipment manufacturing plant, bronze handicraft factory two joint ventures). It has a staff of 70, two senior economist, a senior accountant, senior engineer 5, 16 engineers, technicians and 18; has an experienced, high-level technical workers. Strong technical force, and through the ISO9000 series of quality certification to the quality assurance system and advanced detection facilities. Bollard, Chen Hua machinery, bollard manufacturers to provide from Qingdao, China Machinery Co., Ltd. Chen. Qingdao Chen Hua Machinery Co., Ltd. (www.qdchenhua.com) is specialized in the "press, harbor bollards, adjustable multi-axis tapping drilling machine, CNC multi-axis drilling, milling goal" of the enterprise, companies adhering to the "integrity management , the intentions of service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Yuan Xi Chuan.