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Torsional wire treatment drawing system

a drawing system and torsional wire technology, applied in the field of die assembly, can solve problems such as market place problems, and achieve the effect of increasing the ability to remove heat from the system, increasing the drawing speed and die li

Inactive Publication Date: 2008-07-24
TYL THOMAS WILSON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0020]The general purpose of the present invention, which will be described subsequently in greater detail, is to provide a torsional wire treatment drawing system. In particular, the present invention relates to an assembly that allows for increased drawing speeds and die life by forcing lubricant into the system by means of a pressure die chamber and distributing the heat of drawing over two or more working or drawing dies, thus increasing the ability to remove heat from the system. To help ensure that sufficient lubricant in available subsequent to the initial drawing die one or more lubricant pressure chambers can be included in the system between subsequent drawing dies.

Problems solved by technology

However this approach, exacerbated by ineffective interference fit between the drawing nib and case, has created marketplace issues with circumferentially and axially cracked nibs for this particular wire drawing assembly.

Method used

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Embodiment Construction

[0095]The present invention will now be described in detail the simplest form of the invention, a three die system comprised of one pressure die and two drawing dies (double drawing dies) with reference to a few preferred embodiments thereof as illustrated in the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without some or all of these specific details. In other instances, well known operations have not been described in detail so not to unnecessarily obscure the present invention.

[0096]Referring now to FIG. 1 through FIG. 3B, a wire drawing case 100 for use in a die box (not shown) is comprised of a die cap or male top 110 and a die holder or female bottom 120. The male top 110 comprises or holds in place pressure die 200. The female bottom 120 comprises or holds in...

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Abstract

A torsional wire treatment drawing system for increased drawing speeds and die life by using wet or dry lubricant and by distributing the heat of drawing over two or more drawing dies, thus increasing the ability to remove heat from the system, is provided.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a die assembly for the cold drawing of wire both for wet and dry applications.BACKGROUND OF THE INVENTION[0002]In wire drawing processes, the drawing of wire stock through a drawing-die assembly generates heat during the reduction of the diameter of the wire stock. Lubricants are generally applied to help reduce this heat of drawing.[0003]Additional methods directed towards reducing this heat of drawing include use of a pressure die prior to a drawing die to increase the amount of lubricant separating the drawing die from the wire during drawing, improving the lubricant properties such as melting point, fat content and viscosity, improving the lubricant carrier by adding polomerized materials in lieu of borax or changing the drawing machine after drawing.[0004]Examples of equipment applied after the drawing die include using a larger drawing block, improvement of cooling in the drawing block by means such as reducing the d...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B21C3/00
CPCB21C3/025B21C3/04B21C9/005B21C9/00B21C3/12
Inventor TYL, THOMAS WILSON
Owner TYL THOMAS WILSON
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