Patent ID: 11925975
Assignee: SHIBAURA MACHINE CO., LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A die casting machine comprising:
a holding furnace configured to hold molten metal;
a sleeve located outside the holding furnace, the sleeve connected to an inside of a mold, and the sleeve including a molten metal supply port;
a plunger configured to slide through the sleeve and including a plunger rod and a plunger tip fixed to a tip of the plunger rod;
a molten metal supply pipe pushed against the sleeve to cover the molten metal supply port and configured to supply the molten metal into the sleeve;
a pushing force variable mechanism configured to reduce a pushing force of the molten metal supply pipe against the sleeve when the plunger is sliding; and
a first sensor facing a predetermined height between a lowermost portion and an uppermost portion of an inner surface of the sleeve and configured to detect that the molten metal in the sleeve reaches the predetermined height.