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Method employing high kinetic energy for working of material

A material processing and kinetic energy technology, applied in the direction of power hammers, manufacturing tools, hammer drives, etc., can solve problems such as insufficient and rapid adjustment, long adjustment time of hydraulic valves, pressure accumulation, etc.

Inactive Publication Date: 2004-06-23
SELYINPAIKET
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As far as spring-operated mechanisms are concerned, it is clear that there is some difficulty in designing a mechanism that releases the spring preload within a few milliseconds
Second, most known hydraulic high-speed machines are equipped with valve mechanisms that cannot be adjusted quickly enough to block the rapidly advancing oil, so there is a build-up of pressure in the drive chamber of the piston
The reason is that hydraulic valves with large flows (300-1000 liters per minute) usually require extremely long adjustment times

Method used

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  • Method employing high kinetic energy for working of material
  • Method employing high kinetic energy for working of material
  • Method employing high kinetic energy for working of material

Examples

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Embodiment Construction

[0015] figure 1 A first preferred embodiment according to the present invention is shown. The figure shows a hydraulic piston / cylinder assembly 9, which has a hydraulic piston 3, and a stamping device 1 is arranged at the lower end of the hydraulic piston. This stamping device is intended to transmit high kinetic energy to the blank 2 (or tool) for high-speed machining operations. This diagram also shows that the piston / cylinder assembly 9 is also provided with a lower pressure chamber 115 and an upper pressure chamber 116 . The upper pressure chamber 116 is connected to the valve device 4 via the first pipeline L1. The lower pressure chamber 115 is connected to the same valve device 4 via the second line L2. On the other side of the valve arrangement, the valve arrangement 4 is connected via a third line 3 to a pressure source 8 and via a fourth line L4 to a tank 7 (atmospheric pressure in most cases). in the first position ( figure 1 As shown), the valve device 4 connec...

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Abstract

The present invention relates to a method for material working utilizing high kinetic energy, a stamp means (1) transferring, by means of a blow, high kinetic energy to a material body (2) which is to be worked, after which a rebound of the stamp means (1) occurs. The method is characterized in that a measure is taken in conjunction with said blow delivered, which measure prevents said stamp means delivering an afterblow with an appreciable kinetic energy content, for the purpose of avoiding negative effects as a consequence of afterblows.

Description

technical field [0001] The invention relates to a method of material processing utilizing high kinetic energy, comprising a non-oscillating punching device driven from a starting position by means of a force exerted by a single stroke in order to transfer high kinetic energy to the material to be processed Blank, after said strike, the stamping device bounces back. The invention also relates to a device for carrying out the method. Background technique [0002] During high-speed machining, high kinetic energy is used to form / machine the blank. Associated with high-speed machining, the use of percussion pressing machines in which the stamping piston has significantly greater kinetic energy than usual; it often has speeds of about 100 times or more Cutting, punching and forming of components, powder compaction and similar operations. Within high-speed machining, there are currently a variety of different principles used to obtain the required high kinetic energy in order to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B15/02B21J7/28B21J7/46B22F3/087B30B5/00B30B15/00B30B15/18
CPCB22F3/087B21J7/46B21J7/28
Inventor 安德斯·达尔伯格
Owner SELYINPAIKET