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A jewel bearing is a plain bearing in which a metal spindle turns in a jewel-lined pivot hole. The hole is typically shaped like a torus and is slightly larger than the shaft diameter. The jewels are typically made from the mineral corundum , usually either synthetic sapphire or synthetic ruby .
Adamant Namiki uses integrated manufacturing, handling its products from the raw material, to processing, through to polishing. Industrial jewels, such as diamond, sapphire, and ruby, are used for jewel bearings, sapphire substrates, [4] [5] exterior watch parts, semiconductor wire bonding capillaries, nozzles, LTCC [6] (Co-fired ceramic) and so on.
Jewel Changi Airport (also known as Jewel or Jewel Changi) is a nature-themed entertainment and retail complex surrounded by and linked to one of the passenger terminals of Changi Airport, Singapore. Its centrepiece is the world's tallest indoor waterfall , the Rain Vortex, that is surrounded by a terraced forest setting.
Started sales of jewel bearings for watches and clocks. 1959 - The Company Changed name to Adamant Kogyo Co., Ltd. 1960 - Began to manufacture jewelled bearings for watches. 1967 - Akita Factory was set up at Yuzawa City, Akita. 1969 - Started manufacturing and sales of component parts for medical equipment.
The company was founded in 1939 as Namiki Seisakusho to make jewel bearings for electric meters. In 1953, the company was reorganized as Namiki Precision Jewel Co., Ltd. In 1957, Adamant Shoji Co., Ltd., was spun off from Namiki Precision Jewel Co., Ltd., in order to segregate sales by source.
Namiki Precision Jewel Co., Ltd. (並木精密宝石株式会社, Namiki Seimitu Houseki Kabushiki-gaisha) is a Japanese component manufacturing company based in Tokyo, Japan. The company was founded in 1939 as a manufacturer of synthetic sapphire jewel bearings for electrical measuring instruments.
William arrived at Jewel, a nature-themed complex at Changi Airport, and was met with cheers from hundreds of people as he waved from a balcony. Crowds cheer as William arrives in Singapore for ...
NTN BEARPHITE (TM) bearings are fluid hydrodynamic bearings made from sintered material whose sliding bore surface has hydrodynamic grooves shaped like herringbones, which permit higher rotational accuracy at faster speeds. Such bearings are used in audiovisual equipment, automotive electrical equipment, household appliances and office ...