Proposal of Products for Machine Tools JTEKT CORPORATION
Open the catalog to page 1High-performance and reliable products that support machine tools and continue to evolve in response to customer needs. Proposal of Products for Machine Tools Proposal of Various Products for Machine Tools Product line-up for lathes Product line-up for lathes Product line-up for machining centers Oil air lubricator High reliability・ Clean environment ・ High speed・ High precision ・ Minimal temperature increase ・ Motor bearings High speed ・ Minimal temperature ・ increase Spindle bearings Spindle unit Clean environment ・ Slowing rim bearings for table Ultrahigh rigidity ・ High precision ・ High speed・...
Open the catalog to page 2pe performance, Reliable Products Supporting Machine Tools Proposal of Products for Machine Tools | Spindle unit | Ball screw The following chart lists ball screws for support bearings. For machining centers • External ball circulation (standard) NT30 standard/high-speed type NT40 standard/high-speed type Limiting speed: 10,000~16,000min-1 Lubrication method: Grease or oil-air Drive method: Belt or built-in NT50 standard/high-speed type Limiting speed: 6,000~11,000min-1 Lubrication method: Grease or oil-air Drive method: Belt or built-in Example of rotational speed/rigidity range and spindle...
Open the catalog to page 3Proposal of Main Spindle Bearing Arrangement Proposal of Various Bearings for Machine Tools Bearings for machining center main spindle Bearings for lathe main spindle Matched pair angular contact ball bearings + Double-row cylindrical roller bearings Matched pair angular contact ball bearings + Single-row cylindrical roller bearings Bearing type Matched pair angular contact ball bearings only Bearing series Contact angle High-speed type Tapered roller bearings + Double-row cylindrical roller bearings Angular contact ball bearings Double-row cylindrical roller bearings + Double-direction angular...
Open the catalog to page 4Continuing to Realize High-standard Solutions for Market Needs Proposal of Products for Machine Tools Transitions in main spindle bearing technologies 1960 Society/Machine tool manufacturer trends Mass production, improved productivity Indication of higher speeds ● Low noise (versus environment) 7000-series High-strength brass cages High functionality/High quality ○ Narrow-width MCs Evolution 7000-series High-speed rotation/ Lightweight resin cage 7000-series Low-noise polyamide resin cage World’s first application of ceramic ball bearings Transitions in bearings for the machining center main...
Open the catalog to page 5Proposal from JTEKT Proposal of Products for Machine Tools Too many bearings types makes it complicated to select bearings matched to the desired specifications of the main spindle Present situation ! Suggestion of user-friendly bearings for customers as well as better delivery lead time and availability, and good cost-performance ( sizes with high volume market demand ) Recommended series are decided based on high-speed performance and rigidity Rotational speed (dmn value) (Position preloading) Bearing: φ35 x φ62 x 14 Preload: 40N (position preloading) Cooling: Self-cooling Proposal to support...
Open the catalog to page 6JTEKT CORPORATION NAGOYA HEAD OFFICE No.7-1, Meieki 4-chome, Nakamura-ku, Nagoya, Aichi 450-8515, JAPAN TEL : 81-52-527-1900 FAX : 81-52-527-1911 JTEKT CORPORATION OSAKA HEAD OFFICE No.5-8, Minamisemba 3-chome, Chuo-ku, Osaka 542-8502, JAPAN TEL : 81-6-6271-8451 FAX : 81-6-6245-3712 Sales & Marketing Headquarters No.5-8, Minamisemba 3-chome, Chuo-ku, Osaka 542-8502, JAPAN TEL : 81-6-6245-6087 FAX : 81-6-6244-9007 OFFICES KOYO CANADA INC. 5324 South Service Road, Burlington, Ontario L7L 5H5, CANADA TEL : 1-905-681-1121 FAX : 1-905-681-1392 JTEKT NORTH AMERICA CORPORATION -Main Office-47771 Halyard...
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