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Process method for producing large sculptures through resin sand removable-flask molding

A process method and boxless molding technology, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems of increased production cost, long process cycle, low production efficiency, etc., and achieve reduced production cost and shortened operation time , the effect of improving production efficiency

Inactive Publication Date: 2018-03-09
QINGDAO TIANDI CASTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional resin sand molding produces large-scale sculptures by making sand boxes for molding. Since large sculptures are irregular castings, the amount of sand used for sand box molding is generally relatively large, and the process cycle is long, resulting in production Increased cost and low production efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] The resin sand boxless modeling of present embodiment produces the technological method of large-scale sculpture, comprises the following steps:

[0029] (1) Receive a large sculpture model, cut the large sculpture model, divide it into several sub-models, and then cast each sub-model separately;

[0030] (2) Prepare an outer sand mold of a sub-model, as follows:

[0031] a. Pendulum type and design pouring system: According to the shape of the sub-model, build a wooden brick wall around the sub-model with wooden bricks. The shortest distance between the inner surface of the wooden brick and the surface of the sub-model is 35cm; Build the gating system in the process;

[0032] b. Welding mesh steel frame: weld the mesh steel frame according to the surface shape of the sub-model, the steel frame is 15cm away from the surface of the sub-model; the edge of the steel frame is inserted into the wooden brick wall;

[0033] c. Modeling: After cleaning the surface of the sub-...

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PUM

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Abstract

The invention discloses a process method for producing large-scale sculptures with resin sand boxless molding, including receiving models, cutting, reinforcing and penduluming, designing pouring systems, welding mesh-mounted steel skeletons, molding openings, closing moldings, reinforcing pouring, sand cleaning, etc. process flow. Its main feature is that steel frames of different sizes can be welded according to the size of the casting model, and the steel frame can also be welded according to the different shapes of the casting model. , can greatly reduce the amount of resin sand, the sand layer is thinner and the entire process operation time is shortened, which saves raw materials and increases production efficiency, which greatly reduces the entire production cost.

Description

technical field [0001] The invention belongs to the technical field of casting, and in particular relates to a process method for producing large-scale sculptures with resin sand boxless molding. Background technique [0002] The resin sand casting process has been widely used in the production of large art castings. Traditional resin sand molding is generally used to make sand boxes for the production of large-scale sculptures. Since large-scale sculptures are irregular castings, the amount of sand used in sand box molding is generally relatively large, and the process cycle is long, resulting in production The cost is increased and the production efficiency is low. Therefore, for large art castings, it is necessary to invent a new molding process with strong adaptability, which requires fast and convenient, high production efficiency and low cost. Contents of the invention [0003] In order to overcome the above-mentioned technical problems existing in the prior ar...

Claims

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Application Information

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IPC IPC(8): B22C9/22B22C9/02B22C9/10
CPCB22C9/22B22C9/02B22C9/10
Inventor 李玉敏
Owner QINGDAO TIANDI CASTING CO LTD