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Titanium steel composite plate machining method based on transition layer control

A processing method and technology for composite plates, which are applied in manufacturing tools, metal processing equipment, welding equipment, etc., can solve the problems of complex welding process, large accumulated heat input, low welding speed, etc., to simplify existing welding technology, reduce Heat input, the effect of improving toughness and toughness

Active Publication Date: 2022-03-08
南京首勤特种材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the welding method of titanium-steel composite plate (mainly argon tungsten arc welding) needs to use different welding wires to carry out multi-layer and multi-pass welding on the titanium layer, transition layer and steel layer. The welding process is complicated and the cumulative heat input is large. Low welding speed, high welding stress, etc.

Method used

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  • Titanium steel composite plate machining method based on transition layer control
  • Titanium steel composite plate machining method based on transition layer control
  • Titanium steel composite plate machining method based on transition layer control

Examples

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Embodiment 1

[0034] refer to figure 1 , 2, which is the first embodiment of the present invention, this embodiment provides a method for processing titanium-steel clad plate 101 based on transition layer control, the size specification of the titanium-steel clad plate 101 used is 3mm+3mm, obtained by rolling method .

[0035] The method for full penetration welding of the titanium-steel composite plate 101 includes the following steps:

[0036] 1), processing welding groove 104: at the composite transition line of the welding section of the titanium-steel composite plate 101 to be welded, process a groove with a semi-elliptical cross-section along the length direction of the composite transition line, and the depth of the groove is a semi-ellipse 1 / 2 of the minor axis a of the semi-ellipse, the major axis b of the semi-ellipse is perpendicular to the bonding surface between the titanium coating 102 of the titanium-steel composite plate 101 to be welded and the steel base 103, and the min...

Embodiment 2

[0045] refer to Figure 3-6 , is the second embodiment of the present invention, which is based on the previous embodiment. The clamping and cutting mechanism 200 includes a bottom plate 201 , a first positioning block 202 , a second positioning block 203 and a cutting adjustment plate 204 .

[0046] The bottom plate 201 is a square structure, and the first positioning block 202 and the second positioning block 203 are fixedly arranged on the two ends of the upper side of the bottom plate 201 respectively, specifically at the two end feet on the upper side of the bottom plate 201, and the cutting adjustment plate 204 is located at the second end of the bottom plate 201. A positioning block 202 is on the same side as the second positioning block 203 and is mounted on the first positioning block 202 and the second positioning block 203 to be slidably connected.

[0047] Since there is a certain space distance between the first positioning block 202 and the second positioning blo...

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Abstract

The invention discloses a titanium-steel composite plate machining method based on transition layer control. The titanium-steel composite plate machining method comprises the following steps that (1) a semi-oval groove is prepared along the interface of a titanium-steel composite plate; 2) cleaning a welding area; 3) preparing a transition layer: uniformly mixing metal powder in a certain proportion to prepare the transition layer; 4) laser double-side welding: after assembling and clamping, preheating the titanium steel composite plate to 100-120 DEG C; laser double-side synchronous welding is used, and metal on the two sides is uniformly fused by controlling line energy during welding; and (5) fixing, clamping and cutting are conducted, specifically, the machined composite board is fixedly installed and cut according to the needed length. According to the method, the mechanical property of the welding joint of the titanium-steel composite plate is improved through control over the transition layer, the existing welding technology is simplified, and high-quality and efficient welding is achieved.

Description

technical field [0001] The invention relates to the technical field of composite plate processing, in particular to a processing method for titanium steel composite plates based on transition layer control. Background technique [0002] Because of its very high affinity for oxygen, metal titanium can form a dense oxide film on its surface, which can protect titanium from medium corrosion. Therefore, titanium has good stability and corrosion resistance in acidic, alkaline, neutral saline solution and oxidizing medium. Titanium alloys are widely used in petroleum, chemical industry, metallurgy, seawater desalination shipbuilding, electric power and marine engineering and other industries. However, the cost of titanium alloy is relatively high. Combining titanium with other metals to make a metal composite material can not only exert the excellent performance of titanium, but also reduce costs. Titanium-steel composite material is such a material. The titanium-steel clad plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/12B23K26/211B23K26/323B23K26/60
CPCB23K26/211B23K26/323B23K26/123B23K26/60
Inventor 马宝飞
Owner 南京首勤特种材料有限公司
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