Two or 4-square test is satisfactory for durability evaluation of transmissions, propeller shafts, axles, and automotive gear boxes; problem of load reversal is solved by Dana Corp by means of gear box which allows variation of torque or load in closed loop from positive through zero to negative while units rotate in original direction; gear box must be combined with 2 propeller shafts and 2 right angle gear boxes to complete loop system; details of setup to test durability of rail car drive units.
Load-life cycle testing
SAE -- Paper
SAE Meeting ; 1962
1962
3 pages
Conference paper
English
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