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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 expensive and, must be sealed against each other

Method used

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Embodiment Construction

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

[0026] The absorbent body 20 has a base body 21 on which wedge-shaped ribs 24 are molded, as from figure 2 can be found in more detail. The surface of the wedge-shaped ribs 24 forms the absorption surface 26 . Opposite the wedge-shaped ribs 24 , an inlet connection 22 and an outlet connection 23 are formed on the base body 21 . The inlet connecting pipe 22 forms the coolant inlet 42 and the outlet connecting pipe 23 forms the coolant outlet 43 of the cooling circuit 40 .

[0027] The housing 30 covers the absorber 20 on the sides of the wedge-shaped ribs 24 . Housing cover 33 of housing 30 is oriented obliquely to absorption surface 26 . Facing the wedge-shaped rib 24, it forms the reflective surface 33.1. The front side 31 , the housing closure 34 and the two opposite side walls 35 extend from the housing ...

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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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