| 摘要 |
A thread repair tool and method of manufacturing are disclosed, along with a method for repairing damaged threads of a bolt, stud, or the like. The thread repair tool includes a pair of chaser sections each having a threaded inner diameter to match the threads of the bolt or stud to be repaired. Each chaser section has a tapered outer diameter and a longitudinal keyway in the tapered outer diameter. A driver is provided in which its inner diameter is tapered to match the outer diameter of the chaser sections. The tapered driver and chaser sections are locked together with a pair of keys, and the arrangement provides positive, force transferring engagement between the driver, the chaser sections, and the bolt or stud. The arrangement translates longitudinal pressure applied to the driver into radial pressure forcing the chaser sections tightly against the bolt or stud to be repaired. Once assembled, the thread repair tool is drawn over the damaged area of the bolt or stud and straightens the threads to restore the useability and integrity of the bolt or stud. Preferably, the threads in the chaser sections are contour milled according to the disclosed method of manufacture.
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