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The Dimensional Precision of Forming Windows in Bearing Cages

Department of Machine Manufacturing Technology, “Gheorghe Asachi” Technical University of Iași, Blvd. D. Mangeron, 59 A, Iași 700050, Romania
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Machines 2018, 6(1), 9; https://doi.org/10.3390/machines6010009
Received: 5 February 2018 / Revised: 23 February 2018 / Accepted: 24 February 2018 / Published: 1 March 2018
(This article belongs to the Special Issue Precision Machining)
In the case of double row tapered roller bearings, the windows found in bearing cages could be obtained using various machining methods. Some such machining methods are based on the cold forming process. There are many factors that are able to affect the machining accuracy of the windows that exist in bearing cages. On the dimensional precision of windows, the clearance between punches and die, the work stroke length, and the workpiece thickness could exert influence. To evaluate this influence, experimental research was developed taking into consideration the height and the length of the cage window and the distance between the contact elements of the cage. By mathematical processing of the experimental results, empirical mathematical models were determined and analyzed. The empirical models highlighted the intensity of the influence exerted by the considered forming process input factors on the dimensional precision of the windows obtained in bearing cages. View Full-Text
Keywords: double row tapered roller bearing; bearing cage; window forming; dimensional precision; clearance between punch and die; work stroke length; workpiece thickness; mathematical empirical model double row tapered roller bearing; bearing cage; window forming; dimensional precision; clearance between punch and die; work stroke length; workpiece thickness; mathematical empirical model
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Rîpanu, M.; Nagîţ, G.; Slătineanu, L.; Dodun, O. The Dimensional Precision of Forming Windows in Bearing Cages. Machines 2018, 6, 9.

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