High-power beam trap

A high-power, reflective surface technology, used in instruments, laser welding equipment, optics, etc., can solve the problem of expensive assembly and achieve high absorption

Active Publication Date: 2018-07-13
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Assembly of these components is expensiv

Method used

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  • High-power beam trap
  • High-power beam trap

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[0025] figure 1 The high-power beam trap 10 according to the invention is shown in a cross-sectional side view. It has an absorber 20 which is covered by a housing 30.

[0026] The absorbent body 20 has a base 21, and wedge-shaped ribs 24 are formed at the base, such as from figure 2 Can be learned in more detail. The surface of the wedge-shaped rib 24 is configured with an absorption surface 26. Opposite the wedge-shaped ribs 24, the inlet connecting pipe 22 and the outlet connecting pipe 23 are formed at the base 21. The inlet connection pipe 22 configures the coolant inlet 42, and the outlet connection pipe 23 configures the coolant outlet 43 of the cooling circuit 40.

[0027] The housing 30 covers the absorber 20 on the side of the wedge-shaped rib 24. The housing cover 33 of the housing 30 is oriented obliquely to the absorption surface 26. Facing the wedge-shaped rib 24, it forms a reflective surface 33.1. The front side 31, the housing closing portion 34 and the two ...

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Abstract

The invention relates to a high-power beam trap, in particular for laser beam, having an absorption body which has wedge-shaped ribs which form an absorption surface for the beam, and a reflection surface arranged at a distance from the wedge-shaped ribs and facing the absorption surface. It is provided that at least within a portion of the wedge-shaped ribs cooling channels are arranged, which extend in the longitudinal extension of the wedge-shaped ribs over at least a portion of the wedge-shaped ribs. The high-power beam trap allows the absorption of high-energy laser beam in a compact structure.

Description

technical field [0001] The invention relates to a high-power beam trap, in particular for laser beams, having an absorber and a reflection surface, the absorber having wedge-shaped ribs, the wedge-shaped ribs being designed For an absorbing surface for the radiation, the reflective surface is arranged at a distance from the wedge-shaped ribs and faces the absorbing surface. Background technique [0002] Beam traps are used in laser processing. Here, they are used to receive the laser beam without the laser being directed at the workpiece. The task of the beam trap here is to absorb the laser beam as completely as possible. For this, the geometry, material, surface properties and cooling of the beam trap are critical. Different concepts for achieving these properties are known. In this way, a beam trap is used which has two wedge-shaped or conical grooves arranged one after another at an angle to one another. Helically extending cavities are also used. These geometries ...

Claims

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Application Information

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IPC IPC(8): G02B5/00B23K26/70
CPCB23K26/702G02B5/003B23K26/704
Inventor T.格哈特
Owner ROBERT BOSCH GMBH
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