... can bend in both in-plane and out-of-plane directions upon actuation. Analytical models predict the tip displacement and blocking force in both directions. Six mesoscale T-beam prototypes are monolithically fabricated by machining and microfabrication techniques and experimentally tested for in-plane...

... and bending stresses of this new drive are also analyzed. A manufacturing method of the proposed gear is studied, and a simulation of the machining process demonstrates its feasibility. The results show that the designers can design tooth profiles according to required sliding coefficients by the proposed...

...Qi Fan Face-hobbing is a continuous generating process employed in manufacturing spiral bevel and hypoid gears. Due to machining dynamics and tolerances of machine tools, the exact tooth surface geometry may not be obtained from the machining process using theoretical machine tool settings...

...Carlo Innocenti With reference to the machining of an involute spur or helical gear by the hobbing process, the paper suggests a new criterion for selecting the position of the hob axis relative to the gear axis. By adhering to the proposed criterion, the hob axis is set at the minimum distance...

... for an electrical enclosure consisting of two components. Binding quotes were secured from multiple suppliers for a variety of manufacturing processes including computer numerical control machining, fused deposition modeling, selective laser sintering, vacuum casting, direct fabrication, and injection molding...

...Stephen P. Radzevich Involute gears are widely used in the design of machines and mechanisms. Performance of gear transmissions, e.g., performance of automobile transmissions, strongly depends upon the accuracy of gears of which the transmission is comprised. The higher the gear accuracy...

...Stephen P. Radzevich This paper aims to develop of a robust analytical approach for computation of the principal design parameters for a special-purpose involute hob for machining of cluster gear. The specific combination of design parameters for a precision hob with particular value of the hob...

...Stephen P. Radzevich This paper aims at development of a novel design of precision gear hob for machining involute gear on a conventional gear-hobbing machine. The reported research is based on use of fundamental results obtained in analytical mechanics of gearing. For solving the problem, both...

... of the necessary conditions of proper part surface generation ( Radzevich, S. P., 2002, Computer Aided Design, 34, pp. 727–740 ) in gear hobbing operation. The research is performed with the application of the novel D G ∕ K approach of surface machining earlier developed by the author. The D G ∕ K approach...

..., giving explicitly and with good precision the contact angle versus preload and rotational speed for the special case of elastically preloaded high speed angular-contact ball bearing. ball bearings mechanical contact rotors machining production equipment Convergence of series—returns...

... an automated design tool from task definition to functional prototype created on a CNC or rapid-prototype machine. This paper will describe the proposed compliant mechanism design process and will demonstrate the procedure on several examples common in the literature. Subdivision process in defining...

...Yuan Mao Huang; Ching-Shin Shiau An optimization model has been built with consideration of the required reliability, the minimum machining cost, and quality loss. The normal and the lognormal distributions of tolerances that depend on the production types of components are used in the reliability...

... is to be associated with each surface or TTRS as attributes. More specifically, this information will include dimensional tolerances and tolerance chart values or machining uncertainties. In this paper, the compatibility of the TTRS representation model with traditional tolerance transfer techniques has...

... on simultaneous generations of gear surfaces and contact simulation. A theoretical contact identification program has been developed. Conjugated tooth contact is examined. Longitudinal settings of contact patterns or contact across the surfaces from tooth root to tooth top were obtained as a function of machine...

... = gear root diameter d o = hob outside diameter h gz = height of generating zone h t = gear tooth whole depth k 1 , h and k 2 , h = the first and the second principal curvatures of the machining surface...

...Masataka Yoshimura, Mem. ASME, Professor; Kazuhiro Izui, Research Associate Design problems for machine products are generally hierarchically expressed. With conventional product optimization methods, however, it is difficult to concurrently optimize all design variables of portions within...

.... cutting forming processes machining machine tools machine theory servomotors optimisation 01 Apr 1999 16 05 2002 Contributed by the Mechanism and Robotics Committee for publication in the ASME JOURNAL OF MECHANICAL DESIGN . Manuscript received Apr. 1999. Associate Editor: C...

...Stephen P. Radzevich; Erik D. Goodman Optimal workpiece orientation for multi-axis sculptured part surface machining is generally defined as orientation of the workpiece so as to minimize the number of setups in 4-, 5- or more axis Numerical Control ( NC ) machining, or to allow the maximal number...

... gears. The supplemental kinematic flank correction motions, such as modified generating roll ratio, helical motion, and cutter tilt are included in the proposed mathematical model. The machine setting conversion from the existing hypoid generator to the proposed mathematical model is very straight...

...Guido A. Danieli This paper presents a method for determining the profile of the gear teeth on a variable radius wheel characterized by a constant pressure angle. The method can generate special gears using numerically controlled milling machines. As will be shown, the method, applied to a constant...