... the first stage of the specimen preparation, that is, a tablet ( 20 × 20 × 5 mm 3 ) , is presented. Attention is given to the functional specification, the selection of cutting mechanism, in this case, diamond wire, and the design of the wire handling system. Also included are considerations of power usage...

...Lars Vedmar Hobbing is a common manufacturing method when producing helical, involute gears. In order to give the manufactured gear a controlled surface smoothness, a method to, very accurately, determine the achieved surface geometry is needed. In this report, the cutting surfaces of the tool...

... by the Isoform® with a straight cone grinding wheel is not accurate enough for high precision requirement. That is why the shaper cutter is used as a rough cutting tool for most cases. A third-order profile correction to the cone grinding wheel is proposed to increase the accuracy of the work gear profile...

... to conduct the variation in the cradle radial setting and in the cutting ratio in the process for pinion teeth generation. Two cases were investigated: In the first case, the coefficients of the polynomial functions are constant throughout the whole generation process of one pinion tooth-surface...

... wrench formulation for closed-loop systems is presented in this paper using two-level recursions, namely, subsystem level and body level. A subsystem is referred here as the serial- or tree-type branches of a spanning tree obtained by cutting the appropriate joints of the closed loops of the system...

..., such as Oerlikon’s Spiroflex© and Spirac© methods, Klingelnberg’s Cyclo-Palloid© cutting system, and Gleason’s face hobbing nongenerated and generated cutting systems. The proposed model is divided into three modules: the cutter head, the imaginary generating gear, and the relative motion between the imaginary...

... and increase its tooth thickness at the addendum circle for small teeth. Moreover, a computer simulation program was developed to generate the tooth profile of circular-arc elliptical gears without tooth undercutting and pointed teeth. 21 08 2005 23 01 2006 gears gear cutting machines...

... presents the generalized theory of the face hobbing generation method, mathematic models of tooth surface generations, and the simulation of meshing of face hobbed spiral bevel and hypoid gears. The face hobbing indexing motion is described and visualized. A generalized description of the cutting blades...

...Jui-Tang Tseng; Chung-Biau Tsay Undercutting characteristics of the curvilinear-tooth gear, cut by a hob cutter performing motion with two independent parameters, are investigated. The tooth contact analysis (TCA) and the surface topology method are applied to study the kinematic errors (KE...

...Jui-Tang Tseng; Chung-Biau Tsay The generating motion of a cylindrical gear with curvilinear shaped teeth cut by a CNC hobbing machine is proposed. On the basis of the cutting mechanism and the gear theory, the surface equation of this type of gear is developed as a function of hob cutter design...

.... Contributed by the Design Automation Committee for publication in the JOURNAL OF MECHANICAL DESIGN . Manuscript received May 2001; revised July 2003. Associate Editor: R. Handschauh. 01 May 2001 01 July 2003 05 05 2004 gears cutting computational geometry product design...

... the fundamental magnitudes of the first and of the second order of the tooth surface of an involute pinion 10 yield make the following complementary statements. • It is easy to verify that the cross section of the nominal tooth surface of a nonmodified pinion (cut by plane that is orthogonal...

... topology cutting Current CAD/CAM systems allow the generation of three-dimensional models of mechanical parts and the simulation of their machining on screen. Nevertheless, a large gap still exists between the “design” (CAD) and “manufacturing” (CAM) part of these software packages. It would seem...

...-settings. The influences of each cutting parameter were isolated and were discussed. Regarding the displacement of the active part of the contact pattern caused by cutter edge rotation, it is possible to carry out corrections in both directions. For example, if the active part of the contact pattern...

... on the multi-axis NC machine. However, for cases in which some freedom of orientation remains after conditions for machining in a single setup are satisfied, a second sort of optimality can also be considered: finding an orientation such that the cutting condition (relative orientation of the tool axis...

...Hong-Sen Yan, Professor; Wei-Ren Chen, Associate Professor Traditionally, the input speed of a Stevenson-type press is constant. Here, we propose a novel approach by varying the input speed of the crank to make the ram’s motion suitable for both deep-drawing and precision-cutting. This approach...

... for publication in the JOURNAL OF MECHANICAL DESIGN . Manuscript received July 2000. Associate Editor: R. F. Handschuh. 01 July 2000 machine tools load distribution finite element analysis mechanical contact cutting optimisation manufacturing processes Conjugated hypoid gears...

.... 01 May 2000 design engineering machine theory cutting Beveloid gears, also known as conical involute gears, can be viewed as involute gears with profile-shifted coefficient decreasing from the heel to the toe. Therefore, undercutting occurs and singular points appear...

... for publication in the JOURNAL OF MECHANICAL DESIGN . Manuscript received Mar. 1999; revised Jan. 2000. Associate Technical Editor: R. F. Handschuh. 01 Mar 1999 01 Jan 2000 machine theory machining rotating bodies design engineering cutting It can often be extremely useful...