... is validated by treating the rake faces of high-speed steel cutting tools and performing orthogonal cutting experiments in which the tools peened at the impact angle of 75 deg exhibit lower cutting and thrust forces than those peened at 40 deg. Additional peening parameters, namely, the particle volume ratio...

...Xiao-Jin Wan; Cai-Hua Xiong; Lin Hua In machining process, machining accuracy of part mainly depends on the position and orientation of the cutting tool with respect to the workpiece which is influenced by errors of machine tools and cutter-workpiece-fixture system. A systematic modeling method...

... existing ones for noncircular gears is shown. Relationships for the mutual position of the cutting tool and noncircular cogbelt pulley during teeth generating are given. The profile of the tool’s cutting edge, which provides the required shape of tooth spaces, is elaborated. Recommendations for designers...

... to the measured average temperature of 1100 deg; the predicted average tangential force is 150N, with 7% difference from the experimental data. When the cutting tool nose radius increases to 0.8 mm, the chip’s temperature and strain becomes relatively higher, and average tangential force increases 10N. This paper...

...Hamidreza Alemohammad; Ehsan Toyserkani This paper describes laser-based layered manufacturing processes for embedding optical fiber Bragg gratings (FBGs) in metal structures to develop cutting tools with embedded sensors. FBG is a type of optical fiber that is used for the measurement...

... of some experimental results with RUM. This paper, for the first time, presents a measurement method capable of measuring vibration amplitude during RUM machining. It also reports RUM experimental results on effects of cutting tool, ultrasonic power, workpiece material, tool rotation speed, and feedrate...

...Masahiko Sato; Naoki Tamura; Hisataka Tanaka This paper describes the cyclic temperature variation beneath the rake face of a cutting tool in end milling. A newly developed infrared radiation pyrometer equipped with two optical fibers is used to measure the temperature. A small hole is drilled...

... cutting tools gear cutting machines gears surface roughness serration displacement serration helix gear plunge shaving Gear shaving, a free cutting process that removes small amounts of metal from gear tooth work surfaces, is widely used in the automotive industry, truck and bus...

... with the variation of the value of b at a fixed value of the R s , as shown in Fig. 6 , which also affected the finished surfaces, as shown in Figs. 8c 8d for test Nos. 3 and 4, respectively. 20 03 2009 20 11 2010 31 01 2011 31 01 2011 brittleness cutting tools...

...Yi Liao; David A. Stephenson; Jun Ni This work presents a new way to determine the condition of a cutting tool based on 3D texture parameters of workpiece surface. Recently, a laser holographic interferometer has been developed to rapidly measure a large workpiece surface and generate a 3D surface...

... mm for the radial feed per pass, respectively. The study emphasizes on the effects on the workpiece material and the cutting tool grade of the cutting force components that occur during the threading. Also, these results are compared with the findings that are obtained during the side cut turning...

... forces for all in-cutting tool elements by performing a numerical integration along the engaged cutting edge in the machining process. The accurate evaluation of the coefficients of a cutting force model is critical to the reliability of the predicted cutting forces. In terms of the influence...

... and notations are developed through the switching sets for the boundaries. A mapping structure and notation for one type of intermittent cutting periodic motion is defined as an example. 28 10 2008 09 02 2010 21 07 2010 21 07 2010 conformal mapping cutting cutting tools friction...

... distance cut. Tool wear was measured using SEM images of each worn AFM tip, as shown in Fig. 5 . The wear values are tabulated in Table 1 . In the table, wear is the distance between the tip of each tool in its new and worn state and wear radius is the final radius of the cutting edge of each the AFM tip...

... 16 06 2010 28 04 2010 cutting cutting tools dynamometers force measurement frequency response lubricants milling In manufacturing, cutting operations are always used for producing final workpieces directly, or indirectly, for producing tools and dies. The cutting process...

...) and the depth of cut (i.e., gain) violate the chatter stability limits, exponentially growing unstable vibrations generate poor surface finish and may damage both the machine tool spindle and the workpiece. cutting tools damping differential equations machine tool spindles machining chatter milling...

... since it does not contribute to the regeneration mechanism. On the other hand, the dynamic part h d results from the displacements of the cutting tool and/or workpiece under the action of the cutting forces. It can be approximated by the scalar product of dynamic displacement vector d...

.... A simple heuristic method is proposed for optimizing the finish turning process that is not dependent on a priori knowledge of tool life. 18 02 2009 03 11 2009 04 12 2009 04 12 2009 coolants cutting tools environmental factors life testing manufacturing systems steel...

... cutting cutting tools fracture grinding micromachining optimisation polishing surface finishing microcutting grinding marble cutting force fracture Surface generation mechanisms in marble grinding are complex processes that depend on the chip formation mechanism, grinding method...

... ( 50 ± 1 HRc ) with physical vapor deposition (PVD) (Ti, Al) N–TiN-coated end mill was conducted to investigate the optimal surface topography and roughness. A kinematic model of the cutting tool loci was developed to investigate the formation mechanism of the surface texture and correlate...