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Standard Practice for Using a 1.707-m [67.23-in.] Diameter Laboratory Test Roadwheel in Testing Tires (Includes all amendments And changes 2/12/2016).
Automaticky přeložený název:
Standardní praktiky pro použití 1,707-m [67,23-in.] Průměr laboratorní vyšetření Roadwheel ve zkoušení pneumatik
NORMA vydána dne 1.11.2009
Označení normy: ASTM F551/F551M-09a
Poznámka: NEPLATNÁ
Datum vydání normy: 1.11.2009
Kód zboží: NS-55690
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
durability, endurance, laboratory tire testing, structural fatigue, testing tires, Diameter, Endurance, Interlaboratory testing--rubber/carbon black, Nominal diameter (in materials/analysis), Roadwheel, Tire testing, Durability, ICS Number Code 83.160.01 (Tyres in general)
Significance and Use | ||
The 1.707-m [67.23-in.] diameter laboratory test roadwheel is one of the most extensively employed testing devices for tire durability and endurance testing. This test apparatus operating in the laboratory at controlled surface speeds, loads, and ambient temperatures simulates, to a degree, tire-operating conditions resembling actual service. Because of the roadwheel curvature, the test tire is fatigued more rapidly than a tire operating on a road. The laboratory roadwheel described in this practice is suitable for comparative evaluation of tires under controlled operating and environmental conditions. While the laboratory roadwheel may not reproduce structural fatigue exactly as it occurs in service, the laboratory wheel can be used to produce fatigue under controlled conditions. |
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1. Scope | ||
1.1 This practice covers the requirements for a 1.707-m [67.23-in.] diameter laboratory roadwheel for durability and endurance testing of tires under controlled operating and environmental conditions. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 7 and Note 1. |
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2. Referenced Documents | ||
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