Internal chill iron structure for casting molding on aluminum copper alloy structural parts and laying method thereof
A casting molding, aluminum-copper alloy technology, applied in the field of inner cooling iron for casting molding of aluminum-copper alloy structural parts, can solve problems such as cold and hot cracks, achieve fast heat dissipation effect, and promote the effect of sequence uniformity
Pending Publication Date: 2018-02-06
SHANXI JIANGHUAI HEAVY IND
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Problems solved by technology
[0003] The invention provides an internal cooling iron structure for casting and laying of aluminum-copper alloy structural parts and its laying method, which solves the technical problem that the aluminum-copper alloy structural parts are likely to cause cold and hot cracks when the structural parts are formed during casting
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[0014] The present invention is described in detail below in conjunction with accompanying drawing:
[0015] An inner cooling iron structure for casting aluminum-copper alloy structural parts, including an inner cooling iron block (1), and a layer of quartz sand is coated on the surface of the cold iron use surface of the inner cooling iron block 1, and the thickness of the quartz sand is 0.2- 0.6 mm, the thickness of the inner cooling iron block 1 is 0.7-1.0 times of the casting wall thickness, the length of the inner cooling iron block 1 is not more than 110 mm, and the width of the inner cooling iron block 1 is not more than 110 mm.
[0016] A method for laying inner cooling iron for casting molding of aluminum-copper alloy structural parts, characterized in that the following steps:
[0017] The first step is to choose the cast aluminum material to make the inner cooling iron block 1, the thickness of the inner cooling iron block 1 is 0.7-1.0 times of the wall thickness of...
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Abstract
The invention discloses an internal chill iron structure for casting molding on aluminum copper alloy structural parts and a laying method thereof, and solves the technical problem that cold and hot cracks of the structural parts are molded when the aluminum copper alloy structural parts are subjected to casting. The internal chill iron structure for casting molding on aluminum copper alloy structural parts comprises an internal chill iron block (1), wherein a layer of quartz sand is coated with a cold iron using surface layer of the internal chill iron block (1), the thickness of the quartz sand is 0.2 to 0.6mm, the thickness of the internal chill iron block (1) is 0.7 to 1.0 time of the wall thickness of a casting piece, the length of the internal chill iron block (1) is not greater than110mm, and the width of the internal chill iron block (1) is not greater than 110mm. According to the internal chill iron structure disclosed by the invention, the mechanism that an aluminum copper alloy product segregation in a condensation process is effectively overcome.
Description
technical field [0001] The invention relates to an inner cooling iron for casting and forming of aluminum-copper alloy structural parts, in particular to an inner cooling iron structure for casting and forming of aluminum-copper alloy structural parts and a laying method thereof. Background technique [0002] The aluminum-copper alloy structural parts formed by low and differential pressure casting process can reach σb≥450MPa, σ0.2≥390MPa, δ5≥10% after being strengthened in T5 state, which has higher performance than alloy steel materials Features, widely used in the casting process of structural parts of civil and national defense products. Due to the wide solidification range of aluminum-copper alloys (for example, the ZL201A alloy changes from liquid to solid, the temperature range is about 102°C), and has a high tendency of thermal cracking, porosity, and segregation. Cooling measures, the internal structure of the structural parts after casting will appear loose, shrin...
Claims
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Login to View More IPC IPC(8): B22D15/00B22D18/04
CPCB22D15/00B22D18/04
Inventor 付志军冯辉薛康马二波
Owner SHANXI JIANGHUAI HEAVY IND