A forming process of tensioner

A forming process and tensioner technology, which is applied in metal processing equipment and other directions, can solve the problems affecting the forming quality of the tensioner, poor production conditions, large waste of materials, etc., and achieve low cost, improve forming quality, and reduce deformation. Effect

Active Publication Date: 2018-06-12
HEFEI UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the tensioner is produced by the casting process, it is easy to have shrinkage cavity and shrinkage in the three areas of the pouring system, the root of the riser, and the bottom of the tensioner casting, which affects the forming quality of the tensioner, and the production conditions of the casting forming are harsh
Another process for producing the tensioner is to bore the bar with a boring machine. The bore is used as the shaft hole of the tensioner, and then the bar is machined. This method has low production efficiency and a large waste of material.

Method used

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Embodiment Construction

[0030] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0031] A forming process of tensioner 11, said forming process is carried out as follows: figure 1 Shown is the technological process of tensioner 11. The incoming steel plate with a thickness of 5 mm is blanked to obtain a disc-shaped blank 1, and the structural diagram of the disc-shaped blank 1 is shown in figure 2 shown. Then, the disc-shaped blank 1 is drawn and formed to obtain a bowl-shaped deep-drawn part 2, and the structural diagram of the bowl-shaped deep-drawn part 2 is as follows image 3 shown. Place the bowl-shaped drawing part 2 on the resistance wire and heat it rapidly to exceed its recrystal...

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Abstract

The invention discloses an expansion wheel forming process, and belongs to the field of machining of metal materials. The expansion wheel forming process comprises blanking-deep drawing-hot extrusion-cold extrusion-finishing-punching. Compared with the prior art, the expansion wheel forming process has the following advantages: the expansion wheel forming process overcomes such defects as weak forming quality, low production efficiency and high material waste in the prior art, forms expansion wheels by the punching and hot extrusion processes, effectively improves the part forming quality, reduces the material waste to a greater extent, improves the production environment, can realize automatic production by applying the punching and hot extrusion processes, improves the production efficiency, reduces the production cost, and satisfies a lot of market demands.

Description

technical field [0001] The invention relates to the technical field of metal material processing and forming, in particular to a forming process of a tensioner wheel. Background technique [0002] The tensioner is a vulnerable part of spare parts such as automobiles, which needs to be replaced regularly, and the market demand is very large. At present, the production process of the tensioner is mainly casting and machining. When the tensioner is produced by the casting process, it is easy to have shrinkage cavity and shrinkage in the three areas of the gating system, the root of the riser, and the bottom of the tensioner casting, which affects the forming quality of the tensioner, and the production conditions of the casting are harsh. Another technique for producing the tensioner is to bore the bar with a boring machine, which is used as the shaft hole of the tensioner, and then the bar is machined. This method has low production efficiency and large material waste. Cont...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D53/26B21D35/00
CPCB21D35/001B21D53/26
Inventor 李亨刘钊罗志勇司媛徐圆义夏冲冲王洪波
Owner HEFEI UNIV OF TECH
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