Measuring and testing – Hoisting cable and rope
Patent
1985-07-22
1986-12-30
Levy, Stewart J.
Measuring and testing
Hoisting cable and rope
G01L 504
Patent
active
046319557
ABSTRACT:
A method and apparatus for repeatedly testing wire rope and sheaves under simulated operating conditions is disclosed. The testing apparatus is capable of simulating many conditions under which wire ropes and sheaves are used in actual practice with cranes or the like including adjustments for varying rope tension, rope speed, sheave speed, sheave off-lead angles relative to the rope and to allow reverse bending of the rope. Sheaves of different diameter and different rope size and materials may be tested.
REFERENCES:
patent: 4372172 (1983-02-01), Gombolz et al.
patent: 4413513 (1983-11-01), Ross et al.
SAE Technical Paper No. 790905 entitled: Comparison of Wire Rope Life Using Nylon and Steel Sheaves-Part I, by John H. Chen and C. R. Ursell (1979).
SAE Technical Paper No. 790905 entitled: Comparison of Wire Rope Life Using Nylon and Steel Sheaves-Part II, by John H. Chen and Paul E. Gage (1979).
One p. Polymer Technical Bulletin entitled: Low Temperature Shock Load Testing of Nylatron OSM Sheaves (Dec. 1979).
Benson Ryan H.
Brolin Charles A.
Sheets James B.
FMC Corporation
Levy Stewart J.
Megley R. B.
Moore A. J.
Raevis Robert R.
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