1. Scope--The following information covers accessory drive belt testing methods and includes test configurations, pulley diameters, power loads, and guidance for interpreting test data. This information has been prepared from existing literature, including standards and data supplied by producers and users of V-ribbed belts.

1.1 Purpose--This SAE Standard is intended to provide methods to evaluate the performance, source approval, and/or quality audit of V-ribbed belt constructions.

1.2 Test Sample Size--The number of test samples should be statistically significant based on the requirements agreed to between each manufacturer and user.

1.3 Belt Test Lengths--The test belt range is 1200 mm ± 10 mm. Test data from belts of this length will be considered valid for all belt lengths of the same construction and specification.

1.4 Definition of Construction Specification--The belt manufacturers test data on belts of a certain construction shall be considered valid for evaluation of all belts, with respect to the manufacturer's cross section dimensions, material specifications, and method of manufacture.

1.5 Belt Temperature Rating--Belts shall be rated according to temperature capability. Belt types have been defined in 4.2 and 5.2. Belts capable of passing the extreme temperature tests shall be given a two letter designation, the first letter being the High Temperature capability and the second letter being the low temperature capability. For example, an 'AA' belt is rated for 121 °C to −43 °C, a 'BA' belt is for 107 °C to −43 °C.

1.6 Pulley Construction--Unless otherwise specified, all pulleys used on test fixtures should be machined steel pulleys, manufactured to SAE measurement pulley tolerances as shown in SAE J1459.

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