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Keywords: cutting
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Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2010, 132(11): 111010.
Published Online: November 15, 2010
... 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...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2010, 132(11): 111004.
Published Online: October 22, 2010
...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...
Journal Articles
Article Type: Research Papers
J. Mech. Des. May 2009, 131(5): 051008.
Published Online: April 7, 2009
... 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...
Journal Articles
Article Type: Research Papers
J. Mech. Des. April 2009, 131(4): 041007.
Published Online: March 23, 2009
... 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...
Journal Articles
Article Type: Research Papers
J. Mech. Des. December 2007, 129(12): 1234–1242.
Published Online: January 12, 2007
... 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...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2007, 129(1): 38–47.
Published Online: May 17, 2006
..., 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...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2007, 129(2): 210–217.
Published Online: January 23, 2006
... 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...
Topics: Gears
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2006, 128(6): 1315–1327.
Published Online: December 24, 2005
... 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...
Journal Articles
Article Type: Research Papers
J. Mech. Des. May 2006, 128(3): 634–643.
Published Online: August 5, 2005
...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...
Topics: Gears
Journal Articles
Article Type: Technical Papers
J. Mech. Des. September 2005, 127(5): 982–987.
Published Online: October 7, 2004
...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...
Topics: Gears
Journal Articles
Article Type: Technical Papers
J. Mech. Des. March 2004, 126(2): 336–340.
Published Online: May 5, 2004
.... 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...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. September 2003, 125(3): 632–639.
Published Online: September 4, 2003
... . Contributed by the Power Transmission and Gearing Committee for publication in the JOURNAL OF MECHANICAL DESIGN . Manuscript received May 2002; rev. March, 2003. Associate Editor: A. Kahraman. 01 May 2002 01 March 2003 04 09 2003 cutting noise Among various methods...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. March 2003, 125(1): 14–22.
Published Online: March 21, 2003
... January 1999 01 September 2001 21 03 2003 CAD/CAM tolerance analysis machining 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...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. December 2002, 124(4): 761–771.
Published Online: November 26, 2002
...-settings. The influences of each cutting parameter were isolated and were discussed. 1 Motions for gear generation The limit angles for the cutter edge rotation related to the kinematics error jump and maximum kinematics error levels are detected when simultaneous modifications are applied...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. June 2002, 124(2): 350–354.
Published Online: May 16, 2002
...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...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. June 2002, 124(2): 201–212.
Published Online: May 16, 2002
... 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...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. December 2001, 123(4): 577–582.
Published Online: July 1, 2000
... on the Relative Between Curvature Correction and Contact Pattern of Tooth Surface of Hypoid Gears,” Proceedings, International Conference on gearing , Zhengzhou, pp. 1029–1034. Yi, J., and Chenwen, Ch., 1996, “The Effects of Geometry and Cutting Parameters upon Lubrication Performance of Hypoid Gears...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. December 2001, 123(4): 569–576.
Published Online: May 1, 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 on the negative profile-shifting tooth...
Topics: Gears, Gear teeth
Journal Articles
Article Type: Technical Papers
J. Mech. Des. March 2000, 122(1): 123–129.
Published Online: January 1, 2000
... bodies design engineering cutting Let A be a generic contact point between the teeth when these are rotated by the angle θ with respect to the origin of the individual tooth (point at which the tooth crosses the pitch line for the given tooth, labeled C C in Fig. 1 ). Let...
Topics: Gears, Pressure