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Aluminum-steel composite fastening disc

A securing, aluminum-steel technology, used in non-electric welding equipment, welding/welding/cutting items, manufacturing tools, etc., can solve the problems of low strength, easy breakage, low density and corrosion resistance, and achieve convenient and fast welding. , Combined with the effect of tight interface and low cost

Active Publication Date: 2020-03-31
HUNAN FORHOME COMPOSITE MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides an aluminum-steel composite fastening disk to solve the problems of low strength and easy breakage of the current single aluminum or aluminum alloy fastening disk, and at the same time meet the requirements of high strength, low density and corrosion resistance. Strong and other requirements, at the same time, it can be welded with other aluminum accessories to achieve the fastening effect with aluminum parts

Method used

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  • Aluminum-steel composite fastening disc
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  • Aluminum-steel composite fastening disc

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A method for preparing an aluminum-steel composite fastening disc, comprising the steps of:

[0041] Choose a stainless steel rod 1 with a length of 1000mm and an outer diameter of 200mm, and brush the outer periphery of the steel rod to remove the oxide layer;

[0042] Select an aluminum tube 3 with a length of 1000 mm and a diameter of 310 mm, and brush the inner wall of the aluminum tube to remove the oxide layer;

[0043] Use industrial alcohol to clean the stainless steel rod 1 and the aluminum tube 3, and after drying, put the aluminum tube 3 on the outside of the stainless steel rod 1, keep the radial distance between the aluminum tube and the stainless steel rod at 5 mm, and place it on the welding platform 5;

[0044] Place the expanded ammonium nitrate explosives in the PVC explosive frame 4, arrange the explosive frame 4 evenly on the outer surface of the aluminum tube, and the central charge is 50.0mg / mm 2 , gradually decreasing from the center to both side...

Embodiment 2

[0049] A method for preparing an aluminum-steel composite fastening disc, comprising the following steps:

[0050] Choose a stainless steel rod 1 with a length of 1000mm and an outer diameter of 200mm, and brush the outer periphery of the steel rod to remove the oxide layer;

[0051] Choose an aluminum tube 3 with a length of 1000mm and a diameter of 308mm, and brush the inner wall of the aluminum tube to remove the oxide layer;

[0052] Use industrial alcohol to clean the stainless steel rod 1 and the aluminum tube 3, and after drying, put the aluminum tube 3 on the outside of the stainless steel rod 1, keep the radial distance between the aluminum tube and the stainless steel rod at 4 mm, and place it on the welding platform 5;

[0053] Place the expanded ammonium nitrate explosives in the PVC explosive frame 4, arrange the explosive frame 4 evenly on the outer surface of the aluminum tube, and the central charge is 40.0mg / mm 2 , gradually decreasing from the center to both...

Embodiment 3

[0058] A method for preparing an aluminum-steel composite fastening disc, comprising the following steps:

[0059] Choose a stainless steel rod 1 with a length of 1000mm and an outer diameter of 200mm, and brush the outer periphery of the steel rod to remove the oxide layer;

[0060] Choose an aluminum tube 3 with a length of 1000mm and a diameter of 306mm, and brush the inner wall of the aluminum tube to remove the oxide layer;

[0061] Use industrial alcohol to clean the stainless steel rod 1 and the aluminum tube 3, and after drying, put the aluminum tube 3 on the outside of the stainless steel rod 1, keep the radial distance between the aluminum tube and the stainless steel rod at 3 mm, and place it on the welding platform 5;

[0062] Place the expanded ammonium nitrate explosives in the PVC explosive frame 4, arrange the explosive frame 4 evenly on the outer surface of the aluminum tube, and the central charge is 30.0mg / mm 2 , gradually decreasing from the center to both...

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Abstract

The invention provides an aluminum-steel composite fastening disc. The aluminum-steel composite fastening disc is characterized in that an aluminum pipe and a steel bar are subjected to explosive cladding to form a metallurgical composite surface, then the metallurgical composite surface is cut to form the aluminum-steel composite fastening disc with an aluminum part and a steel part, a cross beamstructure with a fastening function is formed on the steel part through machining, and the aluminum part can be connected with other aluminum accessories through welding. The aluminum-steel compositefastening disc is high in strength, long in service life, high in corrosion resistance, simple and feasible in preparation steps, low in cost, good in application prospect and wide in application range.

Description

technical field [0001] The invention relates to the technical field of bimetallic fasteners, in particular to an aluminum-steel composite fastening disc. Background technique [0002] Aluminum and aluminum alloy materials are widely used in construction, shipbuilding, vehicle manufacturing and other fields due to their good corrosion resistance, low density and light weight. In the fields of construction, shipbuilding, and vehicle manufacturing, aluminum and aluminum alloy materials have achieved large-scale applications. In a large number of applications, it is often necessary to install hooks on aluminum or aluminum alloy structures for operations such as structure installation, cargo fixing, and equipment positioning. Lashing discs are prone to breakage and have a short service life, especially in high-load environments, and aluminum fastenings are likely to pose a huge safety hazard. To solve this technical problem, welding technology can be used to connect aluminum or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23K20/08B23K103/20
CPCB23K20/08B23P15/00B23K2103/20
Inventor 曾智恒
Owner HUNAN FORHOME COMPOSITE MATERIALS CO LTD
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