Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 2781-2800 of 7723
-
Requirements of Packaged Gas Compressor Units
(The American Society of Mechanical Engineers (ASME), 1971)Basic application factors and limitations of gas compressors and prime movers are outlined. Selection of auxiliary equipment, instruments, safety devices, and drives is discussed along with ... -
The Effects of Vanadium in High Strength Low Alloy Steels
(The American Society of Mechanical Engineers (ASME), 1971) -
Mechanical Design Concept for 1000-MVA Superconducting Turboalternator
(The American Society of Mechanical Engineers (ASME), 1971)A design concept for the construction of a 1000-mva superconducting alternator is determined by consideration of (a) electrical requirements, (b) thermal isolation requirements, (c) mechanical ... -
Refrigeration Requirements of the LN2 Cryo-Cable
(The American Society of Mechanical Engineers (ASME), 1971)The paper considers the smallest size refrigeration plant likely to be required for liquid nitrogen cooled electric power transmission lines. Nitrogen, neon, hydrogen, and helium cycles are ... -
Design Concepts of Super Insulated Pipes for Superconducting Cryogenic Electric Power Cables
(The American Society of Mechanical Engineers (ASME), 1971)Development of superconducting power transmission cables operated at liquid helium temperature requires a cryogenic system with extremely low heat-leak characteristics. A thermal envelope, housing ... -
System Features of a Space Station Prototype Environmental Thermal Control and Life Support System
(The American Society of Mechanical Engineers (ASME), 1971)The preliminary design phase of the Space Station Prototype Environmental Thermal Control and Life Support System Program has been completed, and the detailed design of the system is underway. ... -
Upper-Bound Solutions of Some Axisymmetric Cold Forging Problems
(The American Society of Mechanical Engineers (ASME), 1971)A new velocity field for the forging of some cylindrical workpieces is presented taking into account the bulging of the free cylindrical surface during deformation. The velocity field is more ... -
The Wear of Grinding Wheels: Part 2—Fracture Wear
(The American Society of Mechanical Engineers (ASME), 1971)The nature and extent of grinding wheel wear in precision grinding were investigated directly from the wear particles removed from the wheel. A statistical analysis of the wear particle size ... -
The Wear of Grinding Wheels: Part 1—Attritious Wear
(The American Society of Mechanical Engineers (ASME), 1971)An investigation of attritious and fracture wear of grinding wheels in precision grinding is described in a two paper sequence. Attritious wear, the subject of this first paper, refers to the ... -
Economical Aspects of Cutting Speed Selection When Turning Stepped Parts
(The American Society of Mechanical Engineers (ASME), 1971)The concept is developed of analytical comparison between two methods of cutting speed selection when cutting stepped parts: the constant rpm method and constant cutting speed method. Formulas ... -
Oxide Treatment of Tungsten Carbide Tools and Its Influence on Mass Diffusion and Tool Life
(The American Society of Mechanical Engineers (ASME), 1971)The role of oxide layers on tungsten carbide tools in metal cutting was investigated using oxide-treated tools. It is shown that the structural change of the subsurface of the tool takes place ... -
Analysis of the Chisel Edge and the Effect of the d-Theta Relationship on Drill Point Geometry
(The American Society of Mechanical Engineers (ASME), 1971)Following the investigation of drill point geometry previously reported [1, 2], the chisel edge profile and the chisel edge angle are analyzed mathematically. The relationship between the cone ... -
Electrochemical Grinding of Cylindrical Test Specimens
(The American Society of Mechanical Engineers (ASME), 1971)The application of electrochemical grinding to the production of complex cylindrical test specimens of novel high-temperature materials is described. Design features and the performance of an ECM ... -
Mechanics of Tool-Workpiece Engagement and Incipient Deformation in Machining of 70/30 Brass
(The American Society of Mechanical Engineers (ASME), 1971)In this paper, studies of incipient chip formation when cutting annealed 70/30 brass under orthogonal conditions are presented. Cutting forces were recorded and changes in deformation occurring ... -
Modification of Drill Point for Reducing Thrust
(The American Society of Mechanical Engineers (ASME), 1971)A considerable amount of thrust force during drilling is due to the cutting action at the chisel edge of drills. This is in turn due to large values of negative rake angle along with a ... -
Optimization of the Constrained Machining Economics Problem by Geometric Programming
(The American Society of Mechanical Engineers (ASME), 1971)A more complete solution to the machining economics problem is one that takes into account several constraints of the actual machining operation. The object of the paper is to illustrate how ... -
Drill Temperature Distributions by Numerical Solutions
(The American Society of Mechanical Engineers (ASME), 1971)The backward finite-difference method is used to determine three-dimensional drill temperature distributions. The geometry of the drill was described by (1) approximating the drill as a one-quarter ... -
Theoretical Model of Crater Wear
(The American Society of Mechanical Engineers (ASME), 1971)A one dimensional mass diffusion equation including the first derivatives with respect to the coordinates in Fick’s second law is considered. The diffusion coefficient is also considered, as a ... -
Study of the Distribution of the Life of HSS Tools
(The American Society of Mechanical Engineers (ASME), 1971)Numerous life tests carried out with high speed steel tools in machining low carbon steel indicate that tool life values are subject to a statistical distribution which can be approximated by ... -
Burst-Strength Analysis of Finite-Length, Specially Orthotropic Cylinders With Different End Closures
(The American Society of Mechanical Engineers (ASME), 1971)An analysis is presented for predicting burst strengths of specially orthotropic, thin-walled cylinders of finite length with different end closures, including (a) rigid ends, (b) hemispherical ...