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    • 3. 发明公开
    • Optical mirror, optical scanner and laser machining apparatus using the same
    • Optischer Spiegel,optischer Abtaster und Laserbearbeitungsvorrichtung
    • EP1094343A2
    • 2001-04-25
    • EP00122895.6
    • 2000-10-20
    • Matsushita Electric Industrial Co., Ltd.
    • Karasaki, HidehikoKawazoe, Kimiko
    • G02B5/09G02B26/12B23K26/00
    • B23K26/08B23K26/082G02B7/1821G02B26/101
    • A reliable galvano-mirror employed for laser machining is disclosed. The mirror is far reduced its weight for getting a higher rotation. On the rear surface of the mirror, a lightweight rib-structure, which is formed from a mirror support beam centered across the surface and some ribs extending from the beam, holds the mirror. Against a distortion occurred in rotating at high speed, the mirror is provided with a high rigidity. And the mirror is structured integrally with the motor shaft holder. Besides, a slit is formed between the rib disposed close to the holder and the support beam centered across the rear surface of the mirror. Providing slit enables to minimize a local distortion caused by a stress from fastening screws to attach the mirror to the motor shaft.
    • 公开了一种用于激光加工的可靠的电流镜。 镜子远远减少了重量,以获得更高的旋转度。 在反射镜的后表面上,由反射镜支撑梁形成的轻巧的肋状结构,该反射镜支撑梁横跨该表面和从该光束延伸的一些肋保持该反射镜。 为了在高速旋转时出现变形,镜子具有高刚性。 镜子与电机轴架一体形成。 此外,在靠近保持器设置的肋和跨过镜的后表面的支撑梁之间形成狭缝。 提供狭缝使得能够最小化由来自紧固螺钉的应力引起的局部变形,以将反射镜附接到电动机轴。