Scanning mirror having balancing body, and method for balancing a scanning mirror
A scanning mirror and balance body technology, which is applied in the field of scanning mirrors, can solve the problems of increasing the manufacturing cost of scanning mirrors, high cost of threads, high cost, etc., and achieves the effect of low cost, fast cost, and inertia optimization
Active Publication Date: 2019-08-23
SCANLAB GMBH
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Problems solved by technology
The disadvantage in this case is that the thread can only be produced at a high cost, which significantly increases the production costs of the scanning mirror
Furthermore, the method for balancing the scanning mirror is expensive to construct, since multiple iterative steps are required so that the optimal distance of the screw from the central axis can be determined
Method used
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[0041] figure 1 A section of a laser scanning system 1 is shown, by means of which a laser beam 2 of a laser 3 can be deflected. In the present case, the laser beam 2 is used to form a weld seam 5 on the workpiece 4 . The laser beam is emitted by a laser 3 and deflected onto a workpiece 4 by a scanning mirror 6 of the laser scanning system 1 . The scanning mirror 6 is mounted rotatably about an axis of rotation 9 . To this end, the scanning mirror 6 is held by a mirror holder 7 . The mirror carrier 7 engages the front side 10 and the rear side 11 of the scanning mirror 6 in a non-positive, materially and / or form-fit manner.
[0042] The scanning mirror 6 and the mirror holder 7 form at least a part of a rotor 12 , which is rotatable about the rotation axis 9 within a limited angular range. This is achieved by means of a drive 8 which is preferably a galvanometer drive. Thus, the laser beam 2 can be moved on the workpiece 4 by means of the rotational movement transferred t...
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The invention relates to a scanning mirror (6) for a laser scanning system (1) having a mirror body (13), a mirror surface (14) arranged on a front side (10) of the scanning mirror (6), at least one first recess (18) formed in the mirror body (13), which is arranged on one side (19) of a central axis (17) of the scanning mirror (6), when said scanning mirror (6) is viewed from the rear, and arranged at a distance to same, and at least one balancing body (16) which is accommodated in the first recess (18) and forms at least one part of a balancing mass (15) for balancing the scanning mirror (6). According to the invention, the scanning mirror (6) has a first recess group (22) for accommodating the entire balancing mass (15), which is formed by multiple first recesses (18) arranged on the same side (19) of the central axis (17) in the rear view, which each have at least one radial stop by means of which a balancing body (16) positioned on same can be continually held at a constant distance to the central axis (17). The invention also relates to a method for balancing a scanning mirror (6) of this type.
Description
technical field [0001] The invention relates to a scanning mirror for a laser scanning system, in particular a laser processing scanner and / or a sensor scanner of a laser processing plant, the scanning mirror has: a mirror main body; a mirror surface arranged on the front side of the scanning mirror; at least a first cutout formed in the mirror body, which is arranged on the side of the central axis of the scanning mirror in a rear view of the scanning mirror and is spaced apart from this central axis; and at least one balancing body, The balancing body is accommodated in the first cutout and forms at least part of a balancing weight for balancing the scanning mirror. The invention also relates to a method for balancing a scanning mirror, in which an unbalance of the scanning mirror is measured and the scanning mirror is balanced by a balancing body. Background technique [0002] Scanning mirrors are often made of materials such as quartz or silicon, which are very rigid at...
Claims
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IPC IPC(8): G02B7/182G02B26/10
CPCG02B7/1821G02B26/105G02B7/198
Inventor 马赛厄斯.史崔克曼纽尔.温克勒
Owner SCANLAB GMBH