61 aziende per Sfere di ceramica ✓ Fabbricanti, distributori e fornitori B2B da 10 Paesi ✓ Con servizio speciale per ottenere velocemente prezzi e informazioni ✓
Von allen technischen Keramiken ist Si3N4 nach
heutigem Stand der beste Werkstoff für Wälzkörper und Lagerringe. Vor
allem sein geringes Gewicht macht ihn zu einem idealen Werkstoff für
drehzahlbeanspruchte Wälzlager. Die geringe Wärmedehnung ist günstig für
Keramikwälzkörper, bei Erwärmung verringert sich die Lagerluft nicht so
stark wie bei Stahlkugeln, ein Plus an Sicherheit. Bei größeren
Temperaturdifferenzen kann aber die Anbindung an metallene Umbauteile zu
Passungproblemen führen. Hier ist ZrO2 eine montage- und anwendungsfreundliche Alternative zu Si3N4.
In CEROBEAR Hybrid- und Keramikwälzlagern wird fast ausschließlich Siliciumnitrid (Si3N4) eingesetzt. Seltener kommt Zirkonoxid (ZrO2) als Ringwerkstoff in Kombination mit Kugeln aus Si3N4
zum Einsatz. Härte, Druckfestigkeit, Verschleißbeständigkeit und
Korrosionsbeständigkeit sind deutlich höher als bei Wälzlagerstahl. Ein
hoher E-Modul vermindert die Verformung unter Belastung, ein Lager mit
Keramikkugeln ist steifer als ein Stahllager. Zudem bildet sich eine
kleinere Kontaktfläche (Hertzsche Kontaktellipse) aus, weniger
Reibverluste sind die Folge. Allerdings führt eine kleinere
Kontaktfläche zu einer höheren Hertzschen Pressung, diese Belastung ist
für Keramik aber nicht problematisch.
Anwendungsgebiete: Chemische Industrie, Halbleiterindustrie, Lebensmittelindustrie, Luft- und Raumfahrt, Medizintechnik, Motorsport, Werkzeugmaschinenbau und Segelsport
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Innovations for more than 150 years
The company was founded in 1863 in Mannheim, Germany, as a brickyard and succeeded in developing its first pathbreaking innovation, chemical stoneware, in 1888. Numerous new developments followed. Among other things, the company started in the mid of the past century processing plastics and combined modern and traditional materials when producing chemical devices and facilities.
The following years were characterised by the expansion in the core business and the opening up of more and more new business segments. As Deutsche Steinzeug and later as Friedrichsfeld GmbH, the company, which has been operating under the name FRIATEC AG since 1993, continuously developed to become an internationally active, diversified company.
Spectrum of innovative solutions
As such, FRIATEC AG today offers a spectrum of innovative solutions for many industries, e.g. jointing technology for pipe systems, special pumps for aggressive, volatile or explosive media, but also ceramic components which are used in laboratory and electrical engineering but also in medical engineering. With its sophisticated solutions, FRIATEC AG is not only among the most well-known and well-established companies in the metropolitan region Rhine-Neckar but is also one of the global market leaders of its industry.
Partner of a powerful community
Since 2003, FRIATEC AG has been a member of the ALIAXIS group of companies with headquarters in Brussels, Belgium. ALIAXIS is the worldwide largest producer of plastic pipe systems for the construction industry, the industry and utilities.
A.C.T.'s comprehensive quality control system ensures product and process integrity. It complies with the requirements of AS9003. In addition, it provides a framework for establishing and reviewing quality objectives and includes a continuous improvement program.
Advanced Ceramic Technology complies with all laws and regulations regarding export-controlled data and is registered with the Department of State in accordance with the International Trafffic in Arms Regulations (ITAR).
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- Sfere di ceramica
- Sfere di ceramica | Barre in ceramica | Ceramica industriale
The factory was established in 1986. And covers an area of around 2300 m2. The plants were divided into two production areas, steel balls and bearings. We owns more than 500 sets advanced production equipment and more than 100 sets of testing devices. Our annual output of steel balls are about 3,600 tons, and more than 5 million pieces of bearings. Meanwhile, we have our own trading company named “STW” for international business. Until now, 50% products of HUARI have been entered into worldwide markets.
All of steel balls and bearings produced by HUARI are covering the production process by standards ISO 9001:2008.
HUARI has always insisted on "quality first, customer supreme" as enterprise objective, and sincerely welcome all friends to join hands to contribute brilliant future.
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- Sfere di ceramica | Sfere metalliche | Sfera di precisione
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KYOCERA Precision Tools (KPT) is a division of the Kyocera-SGS Precision Tools Group specializing in the manufacturing, servicing, and marketing of Indexable Cutting Tools and Printed Circuit Board (PCB) drills. With over 40 years of cutting tool expertise, KYOCERA has become the market-leader in Japan and has an established global presence with manufacturing, technical centers and sales offices in the Americas, Europe, and Asia.
CUTTING-EDGE, COST-EFFICIENT SOLUTIONS
KYOCERA Precision Tools develops state-of-the-art indexable cutting tools that exceed quality expectations while providing the cost-efficiency that today's metalworking consumer demands. Though ceramic technologies were the nucleus of the original business model, Kyocera has become a global leader in the metal removal industry by developing state-of-the-art cutting tool solutions using carbide, cermet, CBN and PCD. Over the past 40 years, Kyocera has developed some of the highest-quality, innovative indexable tooling solutions the industry has seen, including the MEC Ultra-Hurricane 90° Milling Cutters, the MFH-Raptor High-Feed Milling Cutters, the DRZ & DRV Family of Magic Drills, and CCX, the first-ever CVD Coated Cermet.
DISTRIBUTION
Kyocera Precision Tools are sold through authorized distributors throughout North America. Please click the Locate a Distributor link to find a location near you.
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Sfere di ceramica - Fabbricanti, Commercianti e Fornitori

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