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Points for MELTING SCRAP FOR DUCTILE IRON
/in Castings /by Sara WuIn the traditional production process of ductile iron, about 10% carbon scrap is generally used for the burden. This paper only deals with some problems that should be paid attention to in the process of producing nodular cast iron in an induction furnace after increasing the proportion of carbon scrap used. According to the production […]
Ball Mill balls Sorting And Seperating Machine
/in Grinding media balls /by Sara WuThe sand is separated and filtered by the vibrating sieve, and then the casting is rolled into a high-speed rotating barrel. The separated casting ball mill balls and the gating-risers enter into the vibration sorting mechanism at the same time. The ball and the gating-risers are classified by the principle of vibration conveying. The results […]
HORIZONTAL PARTING HIGH-SPEED SAND-COATED IRON MOLD CASTING PRODUCTION LINE
/in Producing grinding ball process /by Sara WuThe sand-coated iron mold casting technology has been favored by the foundry industry with its unique advantages. ZZXJ-F SERIES HIGH-SPEED SAND-COATED IRON MOULD PRODUCTION LINE is developed by our company. It is controlled by PLC in various operation modes. It is highly automatic. The fastest no-load operation speed is up to 30 seconds per box […]
Key points of foundry technology of coated sand (2)
/in Castings /by Sara WuHeating Temperature 200-300, curing time 30-150s, shot pressure 0.15-0.60 MPA. The sand core with the simple shape and the resin coated sand with good fluidity can select lower shooting pressure, lower heating temperature for thin sand core, longer curing time when the heating temperature is low. The resin used in coated sand is phenolic resin. […]
Key points of foundry technology of coated sand (1)
/in Castings, Producing grinding ball process /by Sara WuResin coated sand casting has a long history in the field of casting, and the output of casting is quite large, but there are many problems when using resin coated sand casting to produce precision steel castings, such as sand burn, cold shut, and air hole. How to solve these problems remains to be explored. […]