SAE J584:2020 pdf free

SAE J584:2020 pdf free.(R) Motorcycle Headlamps
The task force also developed an additional set of “harmonized” photometric figures that would function as a harmonized pattern with the SAE and UNECE requirements. These figures were checked by several headlamp manufacturers using existing lamp photometry to verify the feasibility of the requirements. However, the UN body is working toward a significant modification to the existing regulations, so the SAE J584 task force is delaying incorporation of the harmonized figures until the new UN regulations are established.
To assure proper horizontal and vertical alignment of the aiming screen or optical aiming equipment, the optical axis location shall be indicated. The mark or markings may be on the interior or exterior of the lens or indicated by a mark or central structure on the interior or exterior of the headlamp.
Test voltage application shall be per SAE J575. The test procedures and test requirements specified in this document were developed emphasizing extreme conditions in the headlamp environment. Separate headlamps shall be used for each test.Unless otherwise indicated, all drain holes, breathing devices, or other openings or vents of headlamp units under test shall be in their normal operating condition.
For headlamps aimed using the high beam:The high beam of a multiple beam headlamp shall be aimed photoelectrically so that the center of the zone of highest intensity falls 0.4 degree vertically below the lamp axis and is centered laterally. The center of the zone of highest intensity shall be established by the intersection of a horizontal plane passing through the point of maximum intensity, and the vertical plane established by balancing the photometric values at 3 degrees left and 3 degrees right.
For headlamps with a single beam:The beam of a single beam (moped) lamp shall be aimed photoelectrically so that the center of the zone at highest intensity falls 1.5 degrees vertically below the lamp axis and is centered laterally. The center of the zone of highest intensity shall be established by the intersection of a horizontal plane passing through the point of maximum intensity, and the vertical plane established by balancing the photometric values at 3 degrees left and 3 degrees right.SAE J584 pdf free download.