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Show IV. Immersion-type Melting and Holding Furnace Combined with improved durability of the burner tube, a holding furnace is now available with a melting function. Concentrated melting furnace Holding furnace Fig. 1 Process of Aluminum Die Casts Produced The melting and holding furnace is designed to be used in the process shown in Figure 1, by installing it at the side of the machine. This furnace is suitable for use in a small factory, and is less efficient than the concentrated melting furnace. This is a major problem to be solved. Inn-oduction of the immersion-type heating method, which could be highly efficient, would considerably help increase the efficiency of the melting and holding furnace. 1. Specifications The melting and holding furnace is available in two types. Table 1 shows a 100kglh type. Table 1 Specification of the Furnace Melting capacity 100 kglh Holding capacity 750 kg Molten aluminum capacity 300 kg bailed out at one time Burner model SI - 25 Burner input x 25,000 kcallh x 2 quantity (MAX) Bath material Hi-alumina Heat insulator Ceramic fiber Ceramic board etc. Dimensions 1600Lx1300Wx1500H(mm) Weight Approx. 2.5 tons Power consumption Approx. 1 kw (200V 3-phase) 5 |