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Processing method of air inlet end cone

A processing method and air inlet technology, which is applied in metal processing equipment, manufacturing tools, coatings, etc., can solve the problems of complicated process, difficult quality control, unfavorable batch production and other problems of the air inlet cone, so as to reduce production cost and easy to remove Shell, the effect of simplifying the production process

Active Publication Date: 2016-06-29
QINGDAO LIBO AUTO PARTS PRECISION CASTING
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  • Abstract
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AI Technical Summary

Problems solved by technology

Among them, the intake end cone includes a circular surface. The traditional processing method is generally to carry out CNC machine tool cutting on the circular surface after casting. Using this method to produce the intake end cone of the automobile exhaust pipe has a complicated process and a high production cost. High, low efficiency, difficult to control quality, not conducive to large-scale mass production

Method used

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Embodiment Construction

[0010] The present invention will be further described below in combination with specific embodiments.

[0011] A method for processing an intake end cone, characterized in that it comprises the following steps:

[0012] (1) Prepare the wax mold, prepare the corresponding wax mold, pouring system, riser according to the shape of the casting to be obtained, and bond it into a wax mold group, wherein the temperature of the wax storage tank is 76-77 °C, and the temperature of the cooling cylinder is 56- 57℃, the injection pressure is 2.5-3.0kg / cm 2 , the shooting time is 25-30 seconds;

[0013] (2) system formwork shell, described formwork shell comprises surface layer, two layers, three layers, four layers, five layers and sealing slurry, wherein two layers and three layers are transition layers, and concrete process parameter is as follows:

[0014] Coating: The composition and ratio of surface coating are silica sol: wetting agent: defoamer: zircon powder = 1kg: 1.6ml: 1.2ml...

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Abstract

The invention provides a processing method of an air inlet end cone. The processing method comprises the steps of (1) preparing a wax mould; (2) preparing a mould shell; (3) dewaxing; (4) roasting the mould shell; (5) pouring; (6) after pouring, carrying out shell shaking, shot blasting, cutting, acid pickling and finishing; and (7) processing end openings of the air inlet end cone through adopting rolling. According to the processing method, through adopting a reasonable shell making technology, the obtained shell is high in strength and is easily unshelled, the production technology is simplified, the production cost is reduced, and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of material processing, and in particular relates to a processing method for an automobile exhaust gas intake end cone. Background technique [0002] In modern society, automobiles have become more and more popular means of transportation. With the explosive growth of automobile production and sales, the impact of automobile exhaust pollution and fuel consumption on the atmosphere and environment has gradually increased. In recent years, many cities across the country have emerged The smog has attracted great attention from the people and the government, and has become an important theme related to national health, which has promoted the gradual improvement of environmental protection awareness and environmental protection measures. At present, my country is facing economic transformation, social ecological environment construction and energy conservation and emission reduction control smog Smog is an importan...

Claims

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Application Information

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IPC IPC(8): B22C9/04B22C3/00B23P15/00
CPCB22C3/00B22C9/04B23P15/00
Inventor 柴叶飞
Owner QINGDAO LIBO AUTO PARTS PRECISION CASTING
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