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Method of joining materials

A joining method and joining hole technology, applied in welding equipment, welding/welding/cutting items, non-electric welding equipment, etc., can solve the problems of poor recyclability, poor operability and operating environment, etc., to avoid cracking and deformation, release The effect of loosening and falling off, and easy separation operation

Inactive Publication Date: 2009-05-27
HINO MOTORS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when bonding by adhesive is used, in addition to the problems of poor handling and operating environment, there is also a problem of poor recyclability due to difficulty in separating the adhesive from the material during recycling.

Method used

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  • Method of joining materials
  • Method of joining materials
  • Method of joining materials

Examples

Experimental program
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Embodiment Construction

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

[0019]

Figure 1~ Figure 4 An embodiment of the present invention is shown. In this embodiment, the case of spot joining overlapping iron materials 1 and aluminum materials 2 is illustrated. As shown in FIG. There are joint holes 1a, 2a penetrating through the thickness direction, and they are superimposed in a manner of aligning the joint holes 1a, 2a, and the aluminum joint auxiliary material 3 is put into the aligned joint holes 1a, 2a, and in the superimposed joint holes 1a, 2a A cushion member 4 is disposed on the lower side of each material 1, 2. As shown in FIG.

[0020]

Here, a spiral groove 5 is formed on the inner peripheral surface of the engagement hole 1a of the upper layer material 1 by threading, and an engagement hole 1a facing the above-mentioned materials 1 and 2 is formed on the upper surface of the gasket member 4. , 2a, having a recess 6 having a l...

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PUM

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Abstract

Provided is a method for joining materials which is free from projections accompanying a design restriction as well as loosening and dropout, which enables joining of materials widely ranging from thinner sheets to thicker plates while preventing quality defects such as cracks and deformation from occurring and which can conduct joining with excellent recyclability while maintaining excellent workability and excellent working environment. Materials 1 and 2 are overlapped together so as to align their joint holes. A joint tool 8 is rotated and pushed on a joint auxiliary material 3 fitted into the joint holes, the joint tool 8 being immersed into the auxiliary material 3 softened in solid phase by the frictional heat generated. As a result, the auxiliary material 3 is tightly fitted into the joint holes and is caused to provide mechanical engaging parts (a ridge 5' and flanges 6' and 6'') with respect to the respective materials 1 and 2, the respective materials 1 and 2 being joined together through the auxiliary material 3.

Description

technical field [0001] The present invention relates to a method of joining materials. Background technique [0002] In recent years, in the automotive industry, from the viewpoint of reducing the weight of vehicles in response to increased fuel consumption, etc., aluminum and other lightweight materials have been actively used. Therefore, the importance of joining technologies involving dissimilar materials such as aluminum and steel that are difficult to weld However, in the past, bolted joints, mechanical rivet joints, and adhesive bonding were used to join such dissimilar materials that were difficult to weld. [0003] In addition, as the prior art document information related to the joining method of the material of this invention mentioned later, the following patent document 1 etc. are mentioned. Patent Document 1: JP-A-2004-136365 [0004] However, for example, when bolted joints are used, there are bolts and nuts protruding as protrusions on the upper and...

Claims

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Application Information

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IPC IPC(8): B23K20/12B21J15/02B23K103/20
CPCB21J15/027B23K20/127B23K20/1265Y10T29/49826B23K20/12B21J15/02B21J15/00
Inventor 福田浩史
Owner HINO MOTORS LTD