Method for manufacturing wheels of engineering vehicle

A manufacturing method and technology for engineering vehicles, which can be applied in the directions of wheels, vehicle parts, transportation and packaging, etc., and can solve the problems of increasing the amount of cold spinning processing.

Inactive Publication Date: 2011-03-02
JIAXING STONE WHEEL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the existing cold spinning forming method is adopted, because the thickness of the small mouth section of the engineering vehicle wheel rim is mu

Method used

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  • Method for manufacturing wheels of engineering vehicle
  • Method for manufacturing wheels of engineering vehicle
  • Method for manufacturing wheels of engineering vehicle

Examples

Experimental program
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Example Embodiment

[0012] The structure of the original engineering vehicle wheel is like image 3 As shown, the rim is welded by three parts: the small mouth section 3, the straight section 2 and the bead seat 1, and the small mouth section, the straight section and the bead seat are respectively formed by cutting and coil welding of section steel strips. There is a lock ring groove 4 on the small mouth section. The rim and the spokes 10 are welded together to form a wheel.

[0013] Such as figure 1 As shown, the method for manufacturing the rim of the engineering vehicle wheel proposed by the present invention includes (a) flat steel strip blanking, (b) ring circle, (c) welding, (d) large head flaring, (e) small opening End-rotating hot upsetting, (f) small opening section, straight section and bead seat cold spinning forming, (g) wheel flange spinning forming, (h) turning two ports. The wheel rim of the engineering vehicle made by this method is as figure 2 Shown. Since in step (e), the small...

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Abstract

The invention provides a method for manufacturing wheels of an engineering vehicle, which comprises the steps of respectively manufacturing rims and spokes and then welding the rims and spokes together, wherein the method for manufacturing the rims comprises the following steps: (a) unloading a flat steel strip; (b) circling; (c) welding; (d) flaring a big-opening end; (e) rotatably hot-upsetting a small-opening end; (f) spinning and shaping a small-opening section, a linear section and a bead seat; (g) spinning and shaping wheel edges; and (h) turning the two opening-ends. The method sets conditions for spinning and shaping the small-opening section by rotatably hot-upsetting the small-opening end before the step (f) of spinning and shaping so that the method can adopt the flat steel strip with less thickness as raw materials, thereby greatly reducing work load of cold spinning in the following process; in addition, in the process of spinning and shaping of the step (f), the method can change the thickness according to the exerted situations of various parts of the rims to process the rims into the rims with identical intensity; and the method can improve material intensity and processing precision of the wheels by cold spinning.

Description

technical field [0001] The invention relates to a manufacturing technology of automobile wheels, in particular to a manufacturing method of engineering vehicle wheels. Background technique [0002] The engineering vehicle wheel is composed of two parts, the rim and the spokes. Due to its large size, the rim of the engineering vehicle wheel is generally made of three parts, the small mouth section, the straight section and the bead seat, and then welded (see image 3 ), the small mouth section, the straight section and the bead seat are respectively made of steel strips by blanking and coil welding. Except for the small mouth section, the rim of this wheel has no change in thickness and is heavy in weight. If the existing cold spinning forming method is adopted, because the thickness of the small mouth section of the engineering vehicle wheel rim is much thicker than other parts, a particularly thick steel plate is required, which greatly increases the processing amount of co...

Claims

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Application Information

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IPC IPC(8): B23P15/00B21K1/28
Inventor 张建荣
Owner JIAXING STONE WHEEL
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