Metal mold low-pressure casting mold for crankcase of motor train unit air compressor
An air compressor and low-pressure casting technology, which is applied in the field of low-pressure casting molds for metal molds of air compressor crankcases of EMUs, can solve the problems of high scrap rate, low productivity, waste of resources, etc.
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[0031] Reference figure 1 , The present invention proposes a metal low-pressure casting mold for the crankcase of the air compressor of an EMU, including a lower mold, a first slider 20, a second slider 30, an upper mold, a manual core pulling 50, and a feeder sand core 60 , The lower mold, the first sliding block 20, the second sliding block 30, the upper mold, the manual core pulling 50, and the feeding riser sand core 60 form a casting cavity.
[0032] Such as figure 1 , figure 2 , image 3 , Figure 7 , Figure 8 , Picture 11 As shown, the lower mold in this embodiment includes a lower mold base 10 and an inner cavity sand core 11. The lower mold base 10 is provided with a rising liquid sprue basin 101, and the rising liquid sprue basin 101 is provided with a distribution plate 112, and the lower mold The seat 10 is provided with a first sand core positioning groove 102 on one side away from the rising liquid sprue basin 101, a first slider limiting groove 106 and a second ...
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