Topic
Pressure angle
About: Pressure angle is a research topic. Over the lifetime, 1373 publications have been published within this topic receiving 10245 citations. The topic is also known as: angle of obliquity.
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Patent•
18 Dec 1970
TL;DR: In this article, the shearing action tangential to the tooth profiles associated with compressive deformation of the tooth faces is made to exactly offset the shear action in the opposite direction imposed by the meshing of the teeth.
Abstract: A form of gearing with teeth having circular arc profiles and a particular pressure angle which together produce engagement and disengagement in pure rolling. The shearing action tangential to the tooth profiles associated with compressive deformation of the tooth faces is made to exactly offset the shearing action in the opposite direction imposed by the meshing of the teeth.
8 citations
Patent•
05 Apr 1972
TL;DR: In this paper, a gear wheel is provided for engaging a positive motion belt in a power transmission device, which is generated by a rectilinearly toothed gear cutter which has a cavity form having a pressure angle Phi, an effective cavity thickness L and a depth H of the following values.
Abstract: A gear wheel is provided for engaging a positive motion belt in a power transmission device. The positive motion belt has elastic rectilinear teeth. The gear wheel is generated by a rectilinearly toothed gear cutter which has a cavity form having a pressure angle Phi , an effective cavity thickness L and a depth H of the following values when the pressure angle and effective thickness and height of the tooth on said belt are phi , l and h, respectively:
8 citations
TL;DR: In this paper, a new digital data processing method is introduced to develop a method for obtaining form deviation of the gear tooth flank, and the results are compared with those of the conventional method using a contacting stylus.
Abstract: Laser interferometry using the CCD image sensor is applied for the purpose of measuring form deviation of a gear tooth flank. The interference fringe pattern on the CCD image sensor for the target curved surface involves a thick density of fringes in the region outside of the optical axis, and it also contains a considerable amount of noise. It is therefore difficult to convert discontinuous phase data corresponding to the interference fringe into continuous phase data by direct application of the conventional data processing method. In this report, a new digital data processing method is introduced to develop a method for obtaining form deviation of the gear tooth flank. Tooth flank form deviations with longitudinal tooth lead crowning, helix angle deviation and pressure angle deviation were measured by this new method. The results are compared with those of the conventional method using a contacting stylus, and the accuracy of the new measuring method is discussed.
8 citations
TL;DR: In this paper, the surface equations of a series of worm gears with double-depth teeth, generated by a ZN worm-type hob cutter, are proposed. But this work is limited to the case of a single worm.
8 citations
01 Jul 1998
TL;DR: In this paper, a parametric formulation of the parallel cam mechanism is derived, based on the assumption of an equally distributed roller follower, and the basic configurations of the mechanism are derived from both the pressure angle and the undercutting constraints.
Abstract: Parallel cam mechanisms have been studied in different ways. In this paper, a parametric formulation which can cover every configuration of the parallel cam mechanism is derived. As a result of parametric analysis, a new, last mechanism was found. This cam is essentially an internal cam mechanism. Based on the assumption of an equally distributed roller follower, the basic configurations of the mechanism are derived from both the pressure angle and the undercutting constraints. As a result, the possible number of rollers per spider plate is two. Thus the feasible area of the design parameters of the mechanisms are obtained. The advantages of the mechanism over the conventional parallel mechanism are the saving of space and a larger angular stroke of output.
8 citations