Mekaniska system och komponenter: allmänt

Kommittébeteckning: SIS/TK 254 (Järnväg, tunnelbana och spårväg)
Källa: CEN
Svarsdatum: den 17 nov 2024
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This European Standard specifies the quality parameters of axlebox rolling bearings supporting the load of the vehicle, required for reliable operation of trains on European networks. It covers metallurgical and material properties as well as geometric and dimensional characteristics. It also defines methods for quality assurance and conditions for approval of the products.

Ämnesområden: Metriska gängor
Kommittébeteckning: SIS/TK 103 (Fästelement)
Källa: ISO
Svarsdatum: den 21 nov 2024
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ISO 965-1:2013 specifies a tolerance system for ISO general purpose metric screw threads (M) conforming to ISO 261. The tolerance system refers to the basic profile according to ISO 68-1.

Ämnesområden: Metriska gängor; Specialgängor
Kommittébeteckning: SIS/TK 103 (Fästelement)
Källa: ISO
Svarsdatum: den 24 nov 2024
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This document specifies the limits of sizes for the major, pitch and minor diameters of ISO metric trapezoidal screw threads (Tr) conforming to ISO 2902 having basic and design profiles in accordance with ISO 2901. This document is applicable to the metric trapezoidal screw threads with the seven recommended tolerance classes specified by ISO 2903.

Ämnesområden: Metriska gängor
Kommittébeteckning: SIS/TK 103 (Fästelement)
Källa: ISO
Svarsdatum: den 16 dec 2024
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This document specifies the limits of sizes for the major, pitch and minor diameters of ISO general purpose metric screw threads (M) conforming to ISO 261 having basic and design profiles in accordance with ISO 68-1. This document is applicable to the metric fastening screw threads with the ten recommended tolerance classes specified by ISO 965-1.