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Side edge sand core provided with dispersion pouring system

A pouring system and sand core technology, applied in the direction of core, mold composition, casting and molding equipment, etc., can solve the problems of difficulty in cleaning loose sand, and the quality of dip coating cannot be guaranteed, so as to improve the surface quality of castings and shorten the time for core assembly. , The effect of reducing inclusion defects in castings

Active Publication Date: 2018-04-20
四川共享铸造有限公司
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  • Description
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AI Technical Summary

Problems solved by technology

In the plate core assembly process, the thickness of the plate and the cost control requirements limit the core separation method at the runner. Due to the special structure of some products, the entire pouring system is inside a main core, which makes it difficult to clean loose sand in the runner. Dip coating quality cannot be guaranteed

Method used

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  • Side edge sand core provided with dispersion pouring system
  • Side edge sand core provided with dispersion pouring system
  • Side edge sand core provided with dispersion pouring system

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Example 1 as figure 1 , figure 2 Shown is a side core for a product that includes a gating system. The side core is limited by the structure of the casting, core assembly, and clamping equipment, and the gating system and the side wall of the casting form a block core. The cavity core is fixed to the main body through the structure formed by Φ70 holes at both ends and many Φ25 holes on the bottom surface. After simulation software simulation, the process adopts an open gating system, which needs to open 5 ingates, and set a Φ40*40 cold iron under the cavity core. The existing plate core cannot realize the cleaning of loose sand in the runner, and cannot guarantee the dip coating quality of the gating system and the back of the cavity core.

[0023] The core separation steps of the sand core of this product are as follows.

[0024] 1. Modeling: Create a three-dimensional structure diagram of the product to be cast in the three-dimensional modeling software, and gene...

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PUM

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Abstract

The invention discloses a side edge sand core provided with a dispersion pouring system. The side edge sand core comprises a sand core body, the pouring system is arranged on the sand core body, and the pouring system comprises a sprue, a runner and an ingate; and the side edge sand core is characterized in that the sand core body is divided into a main sand core body and a runner-ingate sand corehead along the central axis surface of the runner, and the runner and the ingate in the pouring system are located on the runner-ingate sand core head.

Description

technical field [0001] The invention relates to a sand core for pouring a strip-shaped casting, in particular to a sand core including a pouring system after the core is divided along the length direction of the strip-shaped casting. Background technique [0002] In order to facilitate the cleaning and dip coating of the sand core in the 3D printing process, the upper or lower bottom surface of the runner is generally divided. In the plate core assembly process, the thickness of the plate and the cost control requirements limit the core separation method at the runner. Because of the special structure of some products, the entire pouring system is inside a main core, which makes it difficult to clean loose sand in the runner. Dip coating quality cannot be guaranteed. Contents of the invention [0003] In view of this, the present invention provides a side sand core with a dispersed pouring system, and the core is divided at the runner, so that the runner becomes an open s...

Claims

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Application Information

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IPC IPC(8): B22C9/10B22C9/08
CPCB22C9/082B22C9/086B22C9/10
Inventor 周树杨刘建平
Owner 四川共享铸造有限公司
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