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Chambering tool

A technology of reaming tools and resistance, which is applied in the field of forging ring forging, can solve the problems of long reaming cycle, achieve the effects of reducing energy consumption, improving axial performance, and reducing the force strength per unit area

Active Publication Date: 2012-07-11
SOUTHWEST ALUMINUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, for large forging rings, especially forging rings with a diameter greater than two meters, at least two fires are required to complete the reaming with a transmission reaming tool, and the reaming cycle is long

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Embodiment Construction

[0019] The invention provides a reaming tool to improve the axial performance of a forged ring.

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see Figure 1-Figure 3 , figure 1 Schematic diagram of the structure of the mandrel provided by the embodiment of the present invention; figure 2 Schematic diagram of the structure of the upper die flat anvil provided for the embodiment of the present invention; image 3 It is a schematic diagram of the structure when a hole is reamed with a reaming too...

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Abstract

The invention discloses a chambering tool which comprises a mandrel supporter, a core rod (1) and an upper mold flat anvil (2), wherein the core rod (1) is distributed with a plurality of first resistant teeth (11) axially; a first resisting groove (12) is formed between two adjacent first resisting teeth (11); and the plurality of first resisting teeth (11) are distributed along the circumference direction of the core rod (1). According to the invention, the core rod is designed according to the characteristics of forged ring metal in chambering, the resisting groove is designed, the contactarea of the forged ring and the core rod is increased, the flow direction of the deformed metal is changed, the chambering tool is favorable for restricting the tangential flow of the metal, the axial flow of the metal is promoted, and the axial performance of the forged ring is improved obviously, thus the axial performance (tension force and impact toughness) substantially exceeds the radial performance, and reaches or close to the tangential performance. Compared with the national military standard or American standard ASTMB247, the axial performance can be improved by 40%-80%.

Description

technical field [0001] The invention relates to the technical field of ring forging, in particular to a hole reaming tool. Background technique [0002] Forging forming refers to applying external force to the metal to cause plastic deformation of the metal, changing the shape and size of the blank, improving its internal structure and mechanical properties, and obtaining a blank or part with a certain shape, size and performance. Forging forming and stamping forming are referred to as forging, which are part of the metal pressure processing production method. [0003] Adopting the traditional horse frame, mandrel, and flat anvil reaming method, the contact surface of the forging ring is flat, the contact surface resistance is small, and the metal is easy to flow in the tangential direction, so the tangential performance of the forging ring is the highest, followed by the radial performance. Lowest axial performance. [0004] In addition, for large forging rings, especiall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D3/10
Inventor 阙基容方清万李凤轶陈丽芳王勇江淑
Owner SOUTHWEST ALUMINUM GRP
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