Method and device for detecting bearing installation
A bearing and preset position technology, which is applied to the detection device to detect whether the bearing installed on the sliding frame in the reading head of the grating ruler is damaged, can solve the problems of not being objective enough and the bearing cannot be detected, so as to improve accuracy and avoid Space limitations and subjectivity, easy to achieve effects
Active Publication Date: 2018-05-01
长春长光精密仪器集团有限公司
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Problems solved by technology
The manual detection method can only detect the bearings that are easy to touch, and cannot detect the bearings that are difficult to touch in space, and the manual detection method needs to rely on the experience and feeling of the tester, which is not objective enough
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[0033] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0034] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a particular order or sequence. It is to be understood that the terms so used are interchangeable under appropriate c...
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The invention discloses a method for detecting whether an installed bearing is damaged and a corresponding detection device. The method comprises laying a metal conducting layer on a corresponding position of a main grating, leading out wires from the metal conducting layer and connecting the wires with a power supply and an ammeter to form a detection circuit, making a carriage to slide on the main grating back and forth, and judging whether the corresponding installed bearing is damaged through the stability of the current value displayed on the ammeter. According to the invention, space limitation and subjectivity of an existing manual detection method are effectively avoided, the detection accuracy is effectively improved, and the method for detecting bearing installation is simple andreliable, and is easy to implement and low in cost, and is suitable for assembly detection in factory workshops.
Description
technical field [0001] The invention relates to the technical field of testing and measurement, in particular to a method for detecting whether a bearing mounted on a carriage in a reading head of a grating ruler is damaged and a device for detecting. Background technique [0002] At present, as a high-precision and economical measurement method, the grating ruler is widely used not only in the fields of precision measurement and displacement control technology, but also in engineering technology fields involving measurement such as machine tools and displacement consoles. [0003] During the assembly process of the reading head of the grating scale, a plurality of bearings need to be installed on the carriage. When working, a plurality of bearings need to be in contact with the main grating, and reciprocate along the main grating, so as to carry the photoelectric device on the carriage to move and realize precise measurement. A plurality of bearings are installed and fixed...
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IPC IPC(8): G01D21/00
CPCG01D21/00
Inventor 张雪鹏杨帆马俊林
Owner 长春长光精密仪器集团有限公司