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RISPredicting the Shear Plane Angle in Machining From Workmaterial Strain-Hardening Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An upper-bound type analysis is presented for predicting the “shear plane angle,” φ, in machining, using workmaterial strain-hardening characteristics. The degree of strain-hardening is quantified ...
Correlation of Tempering Effects With Temperature Distribution in Steel Cutting Tools
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental methods are described for determining the temperature distribution in steel cutting tools over the range 150 C to 1000 C. The techniques correlate temperature with changes in ...
Measurement of Residual Stresses in Metal Matrix Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Metal matrix composites (MMC) are expected to develop internal residual stresses on cooling from fabrication due to the large thermal expansion mismatch between reinforcing fibers and the matrix. ...
Abrasive Wear in Machining: Experiments With Materials of Controlled Microstructure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Evidence is presented to show that hard inclusions in iron-base alloys degrade machinability by reducing cutting tool life. Machining experiments have been carried out on Fe-C-Silica and Fe-C-Alumina ...
Computer-assisted Prediction of Drill-failure Using In-process Measurements of Thrust Force
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A real time control system has been developed in the laboratory to monitor the performance of twist drills. Emphasis has been placed on the prediction of the incipient failure of the drill ...
Deformation Characteristics of Nickel Alloys During Machining
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Machining experiments have been carried out on iron base and nickel base alloys in order to investigate the substantial differences in machinability between these materials. Calculations of the ...
Finite Element Modeling of Plane-Strain Strip Drawing With Interface Friction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical results of plane-strain strip drawing are presented emphasizing the interfacial friction conditions between workmaterial and drawing die. The results are based on a large-strain elasto-plastic ...
New Experiments on the Temperature Distribution in Drilling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Using metallographic and microhardness techniques, temperature distributions have been determined in twist drills. The methods rely on the fact that certain high speed steel materials exhibit ...
Open Architecture Controllers for Machine Tools, Part 2: A Real Time Quintic Spline Interpolator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In Part 2 of this two-part paper, we describe a new quintic spline interpolator for real time trajectory generation during free form curve machining on the Open Architecture machine tool ...
Active Control of a Compliant Wrist in Manufacturing Tasks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A robotic wrist unit has been constructed and is functioning on a large industrial robot used to load, assemble, and finish parts in an automated metal working cell. The wrist uses force ...