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Shaping method of irregular steel component

A technology for irregular parts, applied in the field of forming irregular-shaped steel parts, can solve problems such as uneven deformation, difficulty, uneven structure, and performance, and achieve low cost, lower equipment requirements, and high material utilization. Effect

Inactive Publication Date: 2013-02-27
赵冰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional preparation process generally requires large-scale thermomechanical processing equipment, such as extrusion equipment, forging equipment, etc., to perform thermomechanical processing on the preform after casting. For large-sized parts, thermomechanical processing still has uneven deformation. Problems causing uneven organization and performance
[0003] Incremental forming technologies such as electron beam and laser forming can also be used to prepare metal structural parts. Generally, fuses and molten powder are used to lay them layer by layer to realize the forming of parts, but parts formed by electron beam and laser Generally, it is as-cast structure, which is difficult to control through subsequent heat treatment, and some of the defects are difficult to bridge through subsequent heat treatment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] (1) The geometric size of the steel part to be processed is Ф50mm×150mm, and the 300M steel part is divided into multiple blocks with the same size, and the geometric size is 8mm×8mm×5mm;

[0035] (2) The 300M steel is processed into a cuboid-shaped original blank, 8mm×8mm×10mm, by mechanical processing;

[0036] (3) Forging the above-mentioned cuboid-shaped billet, the forging process parameters are: deformation temperature 920°C, deformation rate 0.02 mm / s, deformation amount 50%, and the forged billet is machined to a size of 8mm ×8mm×5mm blocks;

[0037] (4) Put the block in step (3) into the hydrochloric acid solution, pickle the surface, remove the dirt and scale on the surface of the block, the concentration of hydrochloric acid is 1 mol / liter, the pickling time is 5 minutes, pickling The temperature is 55°C;

[0038] (5) Using the method of mechanical processing, process a sheath with Q235 steel, the size of the sheath is Ф56mm (inner diameter) ~ 60mm (outer d...

Embodiment 2

[0044] (1) The geometric dimension of the steel part to be processed is Ф50mm×150mm, and the 300M steel part is divided into plates with the same thickness, and the geometric dimension is Ф50mm×2mm;

[0045] (2) Adopt the method of mechanical processing, adopt the method of high-pressure water cutting to cut out the plate with the geometric size of Ф50mm×2mm on the 300M steel plate with a thickness of 3mm;

[0046] (3) Put the plate in step (2) into the hydrochloric acid solution, pickle the surface, remove the dirt and scale on the surface of the plate, the concentration of hydrochloric acid is 1.1, mol / liter, the pickling time is 5 minutes, and the pickling temperature 55°C;

[0047] (4) Using the casting method, process a sheath with Q235 steel, the size of the sheath is Ф52mm (inner diameter) ~ 60mm (outer diameter) × 150mm;

[0048] (5) Laminate the plates in step (2) into the inner cavity of the sheath according to the shape of the steel part, perform edge sealing weldi...

Embodiment 3

[0053] (1) The geometric size of the steel part to be processed is Ф50mm×150mm, and the 300M steel part is divided into wires with the same diameter, and the diameter of the wire is Ф2mm;

[0054] (2) Select a 300M steel wire with a diameter of Ф2mm and a length of 75 meters. Put the steel wire in a hydrochloric acid solution for surface pickling to remove dirt and scale on the surface of the wire. The concentration of hydrochloric acid is 1 mol / liter. The time is 5 minutes, and the pickling temperature is 55°C;

[0055] (3) Using the method of mechanical processing, process a sheath with Q235 steel, the size of the sheath is Ф55mm (inner diameter) ~ 60mm (outer diameter) × 150mm;

[0056] (4) Arrange the wires in step (2) into the inner cavity of the sheath according to the shape of the steel parts, perform edge sealing welding on the sheath with the wires arranged, and vacuum degas and seal the inner cavity of the sheath ;

[0057] (5) Put the vacuum-encapsulated sheath in...

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Abstract

The invention relates to a shaping method of an irregular steel component, which belongs to the technical field of machining. The shaping method comprises the following steps of: processing blanks by adopting a casting method; processing the blanks into blank materials respectively by adopting a thermal machining method; putting the blank materials into a hot isostatic pressing canning by adopting arranging, overlaying and stacking methods; performing edge sealing welding and vacuum packaging and supporting prefabricated blanks; putting the prefabricated blanks into a hot isostatic pressing furnace for performing diffused connection; and removing the canning to prepare an irregular steel component. The method can be used for preparing high-performance structural pieces of various alloy components and various shapes without using any large-sized thermal machining equipment, has the advantages of high efficiency and low cost, and is suitable for preparing various high-strength steel structures.

Description

technical field [0001] The invention relates to a forming method of irregularly shaped steel parts, which belongs to the technical field of mechanical processing. Background technique [0002] When preparing metal structural parts, such as high-strength steel structures, in order to prepare high-performance parts, thermomechanical processing is often performed on the cast structure, such as extrusion, forging, rolling and other thermomechanical processing, so that the original casting can be broken Coarse grains refine the structure, resulting in high-performance structural parts. However, the traditional preparation process generally requires large-scale thermomechanical processing equipment, such as extrusion equipment, forging equipment, etc., to perform thermomechanical processing on the preform after casting. For large-sized parts, thermomechanical processing still has uneven deformation. Cause the problem of uneven organization and performance. [0003] Incremental f...

Claims

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Application Information

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IPC IPC(8): B23P13/00
Inventor 赵冰
Owner 赵冰
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