Kinematic Geometry of Surface Machinin Episode Episode 14 pdf

... neglected. For machining of form surfaces of revolution having signicant variation of curvature of the axial prole, a method of turning of surfaces of revolution is proposed [16]. In this method of surface ... of this method of surface machining ensures perfect results when the radi- us of curvature of the axial prole of the form part surface is of consta...

Ngày tải lên: 13/08/2014, 09:21

... expression of the optimal parameters of kinematics of the sculptured surface machining on a multi-axis NC machine in terms of geometry of the part surface and of the generating surface of the form-cutting ... of Contact of the Surfaces P and T 138 4.6.1 On a Possibility of Implementation of the Indicatrix of Conformity for Identication of Kind of Contact...

Ngày tải lên: 13/08/2014, 09:20

... The existence of open and closed sides of a surface P eliminates the © 2008 by Taylor & Francis Group, LLC 28 Kinematic Geometry of Surface Machining motion of the work and of the cutting ... LLC 30 Kinematic Geometry of Surface Machining Implementation of the principle of inversion has proven convenient for the investigation of multiparametric surface...

Ngày tải lên: 13/08/2014, 09:20

... parameters of geometry of the surface P, the kinematic schemes of surface generation specify the generating surface of the cutting tool, as well as the principal part of the kinematic structure of ... Francis Group, LLC 46 Kinematic Geometry of Surface Machining nonagile kinematics of surface generation can be considered as a particular (degenerated) case...

Ngày tải lên: 13/08/2014, 09:20

... LLC 110 Kinematic Geometry of Surface Machining 4.4.2 Indicatrix of Conformity of the Surfaces P and T Introduced in this section is a quantitative measure of the rate of conformity of two surfaces. ... cases of the surface s conguration. Application of Dupin’s indicatrix of the surface of relative curvature enables only approximate analytical descrip- tion of...

Ngày tải lên: 13/08/2014, 09:21

... LLC 184 Kinematic Geometry of Surface Machining of the parameter of motion w. The theory of surface generation also deals with surfaces for which the enveloping surface is congruent to the moving surface. 5.2.1.3 ... LLC The Geometry of Contact of Two Smooth, Regular Surfaces 149 29 kinds of true-point contact 23 kinds of true-line contact 6 kinds of true -s...

Ngày tải lên: 13/08/2014, 09:21

... Francis Group, LLC 196 Kinematic Geometry of Surface Machining Use of a single-parametric kinematic scheme of surface generation allows a simplication. The generating surface T of the cutting tool ... premises of analysis of the geometry of contact of the surfaces P and T. The optimal values of the parameters H and c can be drawn from the desired degree...

Ngày tải lên: 13/08/2014, 09:21

... be considered as a line of intersection of the three surfaces, say of the generating surface T of the cutting tool, of the rake surface R s , and of the clearance surface C s . This requirement ... cutting edge of a precision form-cutting tool can be considered as a line of intersection of three surfaces: of the generating surface T of the cutting tool, of...

Ngày tải lên: 13/08/2014, 09:21

... representation of the tool-in-use system. 6.3.3 Reference Planes Investigation of the impact of kinematics of a machining operation on actual (kinematical) values of geometry of the active part of a cutting ... Maps of a Sculptured Surface P and of the Generating Surface T of the Cutting Tool Gauss introduced the notion of mapping of surface normals onto the...

Ngày tải lên: 13/08/2014, 09:21

... & Francis Group, LLC 312 Kinematic Geometry of Surface Machining form of an involute surface that has the base circle of diameter d b . When machining the surface P, the cam is swinging ... radii of normal curvature of the surfaces, the normal cross-sections of all possible kinds of contact of the surfaces P and T have been analyzed (Table 7.1). TABLE 7.1 A C...

Ngày tải lên: 13/08/2014, 09:21