Die casting machine and shaping method of solid-liquid coexisting metal
A technology of solid-liquid coexistence and die-casting machine, which is applied in the field of die-casting machines and the forming of metals in solid-liquid coexistence, and can solve problems such as pressure imparted by difficult solid-liquid coexistence metals
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no. 1 approach >
[0044] (The overall structure of the die casting machine)
[0045] figure 1 It is a partially cutaway side view showing the configuration of a main part of the die casting machine 1 according to the first embodiment of the present invention.
[0046] Die casting machine 1 injects liquid metal (melt) or solid-liquid coexisting metal into mold 101 (cavity Ca and other spaces. The same applies below.) and solidifies the metal in mold 101 to manufacture die castings (molded parts) . It should be noted that the die casting machine 1 can be used for forming either liquid metal or metal in a solid-liquid coexistence state, but in the following description, the configuration for forming semi-solidified metal as an example of a metal in a solid-liquid coexistence state will be mainly described. and steps. The metal is, for example, aluminum or an aluminum alloy.
[0047] The die 101 includes, for example, a fixed die 103 and a movable die 105 . In the description of this embodimen...
no. 2 approach >
[0236] Figure 11 are the symbols showing the configuration of the main parts of the die casting machine 201 of the second embodiment and figure 1 corresponding figure.
[0237] In the first embodiment, the injection driving unit 43 of the injection device 9 is a hydraulic type. On the other hand, in the second embodiment, the injection driving unit 243 of the injection device 209 is an electric type. Other than that, the second embodiment is the same as the first embodiment.
[0238] The electric injection driving unit 243 can have various configurations. In the illustrated example, the injection drive unit 243 has a rotary motor 244 and a transmission mechanism 245 that converts the rotation of the motor 244 into a translational motion and transmits it to the plunger 41 .
[0239] The transmission mechanism 245 is comprised by the screw mechanism, for example, and has the screw shaft 245a, and the nut 245b screwed together with the screw shaft 245a. The screw shaft 245 ...
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