Constant-Pressure Lathe Test for Measuring the Machinability of Free-Cutting Steels

Author:

Boulger F. W.1,Shaw H. L.1,Johnson H. E.2

Affiliation:

1. Battelle Memorial Institute, Columbus, Ohio

2. Carnegie-Illinois Steel Corporation, Pittsburgh, Pa.

Abstract

Abstract This paper describes a machinability testing method developed during a co-operative research program at Battelle Memorial Institute sponsored by The Carnegie-Illinois Steel Corporation. The test evaluates materials on the basis of the feed resulting from a fixed horizontal tool pressure. Its advantage is that it requires only a short testing time. A description of the lathe and auxiliary equipment is given, and typical testing results are presented. The data indicate that the method has a high order of sensitivity and adequate reproducibility of test ratings. Constant-tool-pressure machinability-test ratings were in close agreement with tool-life test values when the evidence indicated reliable sampling, and in adequate agreement with large-scale commercial machining operations. The test seems to offer a means of rating the cutting quality of free-cutting steels rapidly and reliably with the use of small samples.

Publisher

ASME International

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Physics based models for characterization of machining performance – A critical review;CIRP Journal of Manufacturing Science and Technology;2024-07

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