Die Casting process Equipment
Our aim is to offer quality standard equipment to our clients, which are made in accordance with international standards.
Hot-chamber die castingHot-chamber die casting, also known as gooseneck machines, rely upon a pool of molten metal to feed the die. At the beginning of the cycle the piston of the machine is retracted, which allows the molten metal to fill the "gooseneck". The pneumatic- or hydraulic-powered piston then forces this metal out of the gooseneck into the die. The advantages of this system include fast cycle times (approximately 15 cycles a minute) and the convenience of melting the metal in the casting machine. The disadvantages of this system are that it is limited to use with low-melting point metals and that aluminum cannot be used because it picks up some of the iron while in the molten pool. Therefore hot-chamber machines are primarily used with zinc-, tin-, and lead-based alloys.
Cold-chamber die castingThese are used when the casting alloy cannot be used in hot-chamber machines; these include aluminum, zinc alloys with a large composition of aluminum, magnesium and copper. The process for these machines start with melting the metal in a separate furnace. Then a precise amount of molten metal is transported to the cold-chamber machine where it is fed into an unheated shot chamber (or injection cylinder). This shot is then driven into the die by a hydraulic or mechanical piston. The biggest disadvantage of this system is the slower cycle time due to the need to transfer the molten metal from the furnace to the cold-chamber machine.
Die casting workshop
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As a professional Die Casting manufacturer, Shanghai EverSkill M&E Co., Ltd has an excellent advantage over the competition, developing strong designs at very competitive prices but maintaining extremely high quality. For more customized demands that can’t be found in our standard product lines, we also can offer solution to combine your specific requirements into our newly design standard products.