Research of the Influence of Clamping Forces on the Roundness Deviations of the Pipes Turned Surface

Abstract

In practice, pipe products are often produced. The surfaces of these components are often turned. The three-jaw chuck is often used to clamp the components for turning. It is a universal clamping fixture. The main advantage of three-jaw chuck is its high flexibility. However, its disadvantage is the inappropriate influence of the clamping forces on the geometrical accuracy of the produced components. This article deals with research of the influence of clamping forces on the roundness of turned pipes. A universal three-jaw chuck was used. The chuck was tightened using a torque wrench. The applied tighten torques were determined by monitoring the commonly used torques for a manually tightened chuck. The article presents the results of experimental research.

Üçayaklı Ayna İle Tutulan Parçaların Üretim Sonrası Delik Profillerinin Tahmin Edilmesi

“…al [12] have examined out-ofroundness of workpieces' open-end showed that clamping force may not affect the open end of the clamped workpiece according to the distance between open-end and chuck jaws. Similarly, Görög and Görögová [13] have examined out-of-roundness of the workpiece along the length of the part and showed the variation in roundness throughout the part length. In this case, it should be kept in mind that other form tolerances are needed due to the discrepancy between the two ends of the workpiece.…”