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In recent times, the linear guides are not only used in mechanical engineering and automation, but also in rail technology, [9] aerospace, [10] medical devices, [11] and amusement equipment. [12] In addition, special linear guides are offered for protection against earthquakes in cultural monuments, data centers, and residential buildings.
NSK Ltd. (日本精工株式会社, Nippon Seikō Kabushiki-gaisha, Japan Precision Company), also known in some markets as NSK Automation, is a large manufacturer of bearings globally and the largest in Japan. The company produces industrial machinery bearings, precision machinery and parts, and automotive bearings and components.
A linear-motion bearing or linear slide is a bearing designed to provide free motion in one direction. There are many different types of linear motion bearings. Motorized linear slides such as machine slides, X-Y tables , roller tables and some dovetail slides are bearings moved by drive mechanisms.
Services provided include lending and reference services (bibliographic-reference and catalogue information, subject search, science citation index search); interlibrary loan; national bibliographic database; IT services (reprographic services, microfilming, digitization, use of computer equipment); and learning programmes for users ...
Roller chain and sprockets, toothed belts and pulleys, hose and cable carrier systems, shaft coupling/locking, reducer/variable speed drives, motion control/clutch, overload protectors, linear actuators, automotive timing belt systems, conveyance, sorting, and storage systems, bulk handling systems, metalworking chips handling and coolant processing systems.
RDA emerged from the International Conference on the Principles & Future Development of AACR held in Toronto in 1997. [2] It is published jointly by the American Library Association, the Canadian Federation of Library Associations, and the Chartered Institute of Library and Information Professionals (CILIP) in the United Kingdom.
A significant expansion of the catalog, Guide Star Catalog II, was published in 2008. The Guide Star Catalog II (GSC-II) was compiled by the Catalog and Surveys branch of the Space Telescope Science Institute and the astrometry team of the Astronomical Observatory of Torino (Italy). It has entries for 945,592,683 stars, and has positions ...
To enable rapid access of specific stars in the catalogue, WCSTools software numbers each star using its Guide Star region number (0001 to 9537) and a five-digit star number within each region, separated by a decimal point. sty2 lists Tycho-2 stars by number or sky region. imty2 lists the Tycho-2 stars within an IRAF or FITS image using the world coordinate system defined in its header.
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