However, the following issues existed in injecting gas at a constant ratio.
(1) Injection could only be done from the middle of the process due to pressure fluctuations after the start and end of lightweighting.
(2) The volume can be determined by the screw position, but the melt density cannot.
We were able to develop a device that can stably supply gas by taking measures to address the above issues.
We were able to develop a device that can stably supply gas by taking measures to address the above issues.
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