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Forming die for pressure-forming workpieces and method for producing a forming die for pressure-forming workpieces

A technology for forming molds and molds, which is applied in the direction of manufacturing tools, metal extrusion dies, presses, etc., and can solve problems such as difficult handling and large installation space

Inactive Publication Date: 2019-02-26
菲尔斯系统有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On forming machines, such forming tools require a large installation space and their handling is difficult due to their high weight

Method used

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  • Forming die for pressure-forming workpieces and method for producing a forming die for pressure-forming workpieces
  • Forming die for pressure-forming workpieces and method for producing a forming die for pressure-forming workpieces
  • Forming die for pressure-forming workpieces and method for producing a forming die for pressure-forming workpieces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] according to Figure 1a , 1b A forming tool 1 for pressure forming, here axially forming, a workpiece comprises a core 2 made of steel and a reinforcement body 3 made of carbon fiber reinforced plastic (CFK). The tool core 2 is hollow-cylindrical and has a workpiece receptacle 4 in its interior. The workpiece receptacle 4 extends along the working movement axis 5 of the mold core 2 , which forms the axis of symmetry of the mold core 2 . The axis-parallel inner wall 6 delimiting the workpiece receptacle 4 of the mold core 2 is usually provided at Figure 1a , 1b The modeling profile is not shown. The axis-parallel outer walls of the mold core 2 delimit the core cross-section QM of the mold core 2 .

[0027] In order to press-form a workpiece, for example a pipe, by means of the forming tool 1 , the workpiece arranged inside the workpiece receptacle 4 and the forming tool 1 are usually moved relative to each other along a working movement axis 5 . In this case, the wo...

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PUM

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Abstract

A forming die (1) for press forming a workpiece has a die core (2) and a reinforcing portion in the form of a reinforcing body (3) made of fiber reinforced plastic. The reinforcing body (3) is radially pretensioned against the mold core (2) and comprises a plastic substrate and a reinforcing fiber structure (9) embedded in the plastic matrix and extending in the circumferential direction of the mold core (2). Within the scope of manufacturing the forming mold (1), the mold core (2) of the forming mold (1) is provided with a core reinforcing portion on the outer side. This is achieved by applying a reinforcing body (3) made of fiber-reinforced plastic as a core reinforcement to the mold core (2) with the radial pretensioning of the reinforcing body (3) against the mold core (2). The reinforcing body (3) has a plastic base and a reinforcing fiber structure which is embedded in the plastic base and extends in the circumferential direction of the mold core (2).

Description

technical field [0001] The invention relates to a forming die for pressure forming a workpiece, [0002] having a mold core with a workpiece receiving portion inside it which extends along the working axis of movement of the mold core, and [0003] have a core reinforcement which surrounds the mold core on the outside of said mold core in its circumferential direction about the working movement axis and which bears against the mold core diameter transversely to the working movement axis to preload. [0004] The invention also relates to a method for producing a forming tool for pressure-forming workpieces, within the scope of the method the core of the forming tool is provided with core reinforcements on the outside in such a way that the The core reinforcement surrounds the mold core in the circumferential direction of the mold core about the working axis of movement of the mold core, along which the workpiece receptacle of the mold core extends inside the mold core, wherei...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/38B30B15/02
CPCB29C70/38B30B15/02B21J13/02B23P11/02B21C3/04B21C25/02B21C25/025B30B15/022B23P15/24B29C33/38B29C33/40B21D37/10B29C70/68B29K2101/12B29K2307/04B29L2031/757
Inventor D·拜霍费尔T·卢瑟M·马雷H·瓦格纳W·米基
Owner 菲尔斯系统有限责任公司