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Combined necking inward-turning spinning method

A combined and shrinking technology, which is applied in the field of combined shrinking and inversion spinning of workpiece ends with inversion and inversion, can solve problems such as inversion spinning of metal workpiece ends, and achieve good internal and external surface quality and operation. Simple and effective to ensure product quality

Active Publication Date: 2021-06-22
浙江博翔旋压机床有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003]The purpose of the present invention is to overcome the technical problems that the spinning machine in the prior art cannot perform inversion spinning on the end of the metal workpiece after spinning the compression port, and to provide a A combined necking and inversion spinning method for necking and inversion at the end of a workpiece, which improves the utilization rate of materials and improves the quality of the workpiece at the same time

Method used

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing.

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts....

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Abstract

The invention discloses a combined necking inward-turning spinning method, and belongs to the technical field of spinning forming. The combined necking inward-turning spinning method comprises a feeding procedure, a workpiece clamping procedure, a workpiece heating procedure, a workpiece rotating procedure, a necking spinning procedure, a spinning inward-turning procedure and a discharging procedure. According to the combined necking inward-turning spinning method, spinning necking and spinning inward-turning of the end of a workpiece are completed on one spinning machine, machining operation of multiple procedures is avoided, a workpiece with a double-layer annular pipeline is finally machined, the joints of the ends of the double-layer pipeline are in seamless connection, the workpiece machining precision and working efficiency are improved, and the product quality of the workpiece is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of spinning forming, and in particular relates to a combined necking and inversion spinning method for necking and inversion at the end of a workpiece. Background technique [0002] Spinning is to fix the flat or hollow blank on the mold of the spinning machine. While the blank is rotating with the main shaft of the machine, the blank is pressed with a spinning wheel or a driving rod to cause local plastic deformation. It is a special method. Forming method, the spinning method can be used to complete the processes of deep drawing, flanging, shrinking, bulging and curling of rotating bodies of various shapes. With the advancement of technology and the needs of people's processing and use, the shape requirements of parts processed by spinning are getting higher and higher. In the field of mechanical processing, there is a processing requirement for shrinking the end of the workpiece. Necking and inversion op...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D41/04B21D19/06
CPCB21D41/04B21D19/06
Inventor 徐唐建
Owner 浙江博翔旋压机床有限公司
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