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Spin forming machine and forming method for manufacturing wheels

A molding method and molding machine technology, applied in rims, transportation and packaging, vehicle parts, etc., can solve problems such as high, time-consuming and cost-effective, and achieve the effect of increasing the diversity of shapes

Active Publication Date: 2021-02-26
LEIFELD METAL SPINNING AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the process is time consuming and therefore costly

Method used

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  • Spin forming machine and forming method for manufacturing wheels
  • Spin forming machine and forming method for manufacturing wheels
  • Spin forming machine and forming method for manufacturing wheels

Examples

Experimental program
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Effect test

Embodiment Construction

[0036] The spin forming machine 10 according to the invention has a spinning mandrel 20 and an opposite counter mandrel 12, between which the workpiece 5 is axially clamped by means of a disc-shaped hub region 6 with a central fixed Core hole and surrounding area to be formed 7. The mating mandrel 12 and the spinning mandrel 20 are rotatably mounted on drive flanges 16 and 17, respectively, and are connected to one, preferably each, not shown rotary drives, wherein the vertical shafts can be rotated during the forming process. The straight central axis of rotation 2 drives in rotation the spinning mandrel 20 , the counter mandrel 12 and the clamped workpiece 5 .

[0037] The spinning mandrel 20 has a central base support 22 at the free end of which an annular or disk-shaped front element 24 is releasably fastened by means of bolts. As with the opposite mating mandrel 12 (provided with the profiled surface 14 ), the front element 24 is adapted to the shape of the workpiece 5 t...

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PUM

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Abstract

The invention relates to a flow-forming machine and a forming method for producing a wheel having a rim from a workpiece, with a spinning mandrel, the outside of which is configured for forming the rim, a counter-mandrel, wherein the workpiece is clamped on the spinning mandrel or the counter-mandrel, a rotary drive and at least one compression roller, which can be advanced against the workpiece for forming the rim. According to the invention, it is provided that the spinning mandrel has a sleeve-like perimeter element, which can be displaced axially during forming. A controller is provided, by means of which, while the rim is being formed, the at least one compression roller and the perimeter element of the spinning mandrel can be displaced axially relative to the workpiece in a coordinated manner.

Description

technical field [0001] The invention relates to a spinning machine for the production of wheels, in particular wheels, with a rim formed from a workpiece. According to the invention, the spinning machine has a spinning mandrel, the outer side of which is designed to form the rim ; the cooperating mandrel, which can move axially relative to the spinning mandrel, wherein the workpiece is axially clamped on the spinning mandrel and / or the cooperating mandrel; the rotary drive, which is used to rotationally drive the belt being driven a spinning mandrel and a mating mandrel for a clamped workpiece; and at least one press roll capable of being axially and radially fed to the workpiece for forming the rim. [0002] The invention also relates to a forming method for the manufacture of wheels, in particular wheels, having a rim formed from a workpiece, wherein according to the invention: the workpiece is clamped on a spinning mandrel and / or a mating mandrel, the spinning The outside ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/16B21D53/30
CPCB21D22/16B21D53/30
Inventor B.尼利斯
Owner LEIFELD METAL SPINNING AG
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