SAE J1668-2021 柴油发动机 燃油喷射泵测试.pdf

SAE SURFACE VEHICLE J1668TM MAR2021 INTERNATIONAL. STANDARD Issued 1993-06 Revised 2016-05 Reaffirmed 2021-03 Superseding J1668 MAY2016 Diesel Engines Fuel Injection Pump Testing RATIONALE SAE J1668 has been reaffirmed to ply with the SAE Five-Year Review policy. 1.SCOPE The correct setting and adjustment of fuel injection pumps requires standardized testing conditions. This SAE Standard summarizes the design and operating parameters for test benches so that using certain information supplied by the pump manufacturer the pump test schedule and certain information supplied by the test bench manufacturer it can be determined whether a particular test bench is suitable for driving a particular injection pump. This document is in most cases a summary of the ISO Standard 4008 Parts 1 2 and 3 and is intended to provide its critical aspects.Standard ISO 4008 should be referred to for more details. 1.1 Field of Application This document is primarily applicable to test benches suitable for the calibration of fuel injection pumps for diesel engines requiring a fuel delivery of up to 300 mm3/st/cylinder at full load. 2.REFERENCES 2.1 Applicable Publications The following publications form a part of the specification to the extent specified herein.Unless otherwise indicated the latest revision of SAE publications shall apply. 2.1.1 SAE Publications Available from SAE 400 Commonwealth Drive Warrendale PA 15096-0001. SAE J967 Calibration Fluid SAE J968 Calibrating Nozzle and Holder Asse...