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Casting method for steel-copper composite cylinder

A composite cylinder and steel-copper technology, which is applied in the field of metal casting, can solve the problems of steel-copper composite cylinder oxidation and substandard composite performance, and achieve the effects of refining grains, avoiding cracking, and overcoming adverse effects

Inactive Publication Date: 2016-05-04
徐宏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a casting method for a steel-copper composite cylinder, which solves the problems of oxidation, substandard composite performance, composite casting tooling design and copper material ratio in the composite process of the steel-copper composite cylinder, and realizes that the casting method is qualified. Steel-copper composite cylinder blank

Method used

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  • Casting method for steel-copper composite cylinder
  • Casting method for steel-copper composite cylinder

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Depend on Figure 1-2 , a casting method of a steel-copper composite cylinder, comprising the following steps:

[0028] Step 1: Use UG to build a three-dimensional model, calculate the mass of the poured copper metal 7 to be 19.86kg, use CASTsoft to design and simulate the casting process, optimize the pouring process through process design and process simulation technology, and determine the initial temperature of the steel base 1 to be 1250 °C, the initial pouring temperature of copper metal 7 is 1250°C, the holding time is 9min, the pouring time is 15s, and the pouring speed is 1.5kg / s;

[0029] Step 2. Using a round steel billet as the steel base 1, perform heat treatment and annealing process on the steel base 1: slowly heating to 900° C. for 15 hours;

[0030] Step 3: Carry out milling, drilling, and boring on the heat-treated steel base 1 to form the center hole 3 and other feeding holes distributed around the center hole, and weld the riser 2 on the top of the ...

Embodiment 2

[0039] Depend on Figure 1-2 , a casting method of a steel-copper composite cylinder, comprising the following steps:

[0040] Step 1. Use PROE to build a three-dimensional model, calculate the mass of poured copper metal 7 to be 19.86kg, use MAGMA to design and simulate the casting process, optimize the pouring process through process design and process simulation technology, and determine the initial temperature of steel base 1 to be 1250 ℃, the initial pouring temperature of copper metal 7 is 1250°C, the holding time is 12min, the pouring time is 15s, and the pouring speed is 1.5kg / s;

[0041] Step 2: Using a round steel billet as the steel base 1, perform heat treatment and annealing process on the steel base 1: slowly heating to 1050°C for 20 hours;

[0042] Step 3: Carry out milling, drilling, and boring on the heat-treated steel base 1 to form the center hole 3 and other feeding holes distributed around the center hole, and weld the riser 2 on the top of the steel base...

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Abstract

A casting method for a steel-copper composite cylinder comprises the steps that three-dimensional modeling, casting technology designing and technology simulating and optimizing, steel base heat treatment, machining and tool machining and welding and steel base surface treatment are sequentially carried out, preheat treatment on a steel base before production is carried out, anhydrous borax is melted, the steel base is placed into a borax solution, copper alloy is smelted, the copper alloy is cast into the steel base, the steel base is placed into a water trough and is cooled and solidified to the room temperature, and then the steel-copper composite cylinder is manufactured. The method solves the problems about the steel-copper cylinder composite casting technology and composite components. The bi-metal cylinder is high in composite strength, high in yield and low in cost, the size of the cylinder is not limited, the forming process is easy to control, and the quality is stable.

Description

technical field [0001] The invention is applied in the field of metal casting, and in particular relates to a casting method of a steel-copper composite cylinder body. Background technique [0002] In the field of casting, the casting technology of steel-copper-metal composite is not mature and stable all the time. For a long time, welding or powder sintering methods have been used for production, but both methods have many limitations. If the welding compound is not strong, the metal will often fall off and the service life will be short; the size of the powder sintering molding cannot be too large, and the cost is very high. Through the understanding of advanced countries, the steel-copper composite cylinder block produced by casting method is the most reliable. There is a great demand for domestic steel-copper composite cylinders, but most of them still rely on imports, and most of the imported composite cylinders are produced by casting. The steel-copper composite cyl...

Claims

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Application Information

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IPC IPC(8): B22D19/16
CPCB22D19/16
Inventor 徐宏宋彬张国伟
Owner 徐宏
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