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Method of manufacturing a treatment element for a screw machine

A technology for processing elements, spirals, applied in the field of processing element blanks, spiral parts and/or kneaded parts, which can solve the problems of high energy consumption, achieve simplified post-processing, material volume reduction, and simple manufacturing or reproduction.

Inactive Publication Date: 2017-02-15
COPERION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this approach is that the described fabrication method is labor-intensive

Method used

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  • Method of manufacturing a treatment element for a screw machine
  • Method of manufacturing a treatment element for a screw machine
  • Method of manufacturing a treatment element for a screw machine

Examples

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Embodiment Construction

[0054] The following is the description of the present invention figure 1 and figure 2 The description of the first exemplary embodiment is shown in . The structure of the known hot isostatic pressing apparatus 1 generally comprises a housing 2 in contact with a pressure unit 3 and a temperature unit 4 for hot isostatic pressing. The housing 2 has a tubular housing wall 5 , which is closed at a first end by a housing bottom 6 . The housing cover 7 is arranged on the second end of the housing wall 5 . Housing wall 5 defines a central longitudinal axis 8 and is in contact with housing bottom 6 and housing cover 7 to define an interior space 9 of housing 2 . Close to the housing wall 5 , the housing cover 7 is provided with a filling nozzle (fill neck) 13 for filling the interior space 9 . For hot isostatic pressing, the temperature T in the interior space 9 can be varied by means of the temperature unit 4 and the pressure P in the interior space 9 can be varied by means of ...

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Abstract

The invention relates to a method for producing a treatment element for a screw machine, wherein a treatment-element core (11b) made of a first metal material (M1) is arranged in an interior (9b) of a capsule (2b) of a hot isostatic pressing system (1b), whereby a contoured annular space (14b) is formed between a capsule wall (5b) and the treatment-element core (11b). The annular space (14b) is filled with a powder (15) made of a second metal material (M2) in order to form an anti-wear layer. Then the treatment-element blank (10b) is produced in such a way that a composite body is produced from the materials (M1, M2) by hot isostatic pressing. The treatment-element blank (10b) is then post-processed to form the treatment element. The production of treatments elements is simplified by the method according to the invention, since in particular the post-processing and / or the heat treatment of the formed anti-wear layer is simplified.

Description

technical field [0001] The invention relates to a method for producing processing elements, in particular screw and / or kneading parts for screw machines. The invention also relates to a processing element blank for producing a processing element, in particular for producing screw and / or kneading components of a screw machine. Background technique [0002] A method for producing a screw shaft by hot isostatic pressing is known from DE 43 28 160 A1. To manufacture the screw shaft or screw-type part, a steel core and a bushing of corrosion-resistant and wear-resistant material arranged around said steel core are arranged in a pressure mold in such a way that between said bushing and A slot-shaped annular space with a constant slot thickness is formed between the interiors of the pressure abrasives. Metal powder is then introduced into the annular gap and then compressed to form the pre-thread layer. The thread front is formed by hot isostatic pressing such that the thread fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/15B22F5/06B22F5/08B22F7/08B22F5/10B29C48/67
CPCB22F7/08B22F3/15B22F5/08B22F5/085B22F5/10B29C48/395
Inventor D·约翰D·基里翁K-C·波尔策P·蒙克斯R·伍特克
Owner COPERION