Machining of metals Subjects of interest pps
Machining of metals Subjects of interest pps
... which affects machining of metals. • Mechanics of machining is introduced for the calculation of power used in metal machining operation • Finally defects occurring in the machining processes ... Technology Jan-Mar 2007 Machining of metals Machining of metals • Introduction/objectives • Type of machining operations • Mechanics of machining • Three dimensi...
Ngày tải lên: 06/07/2014, 09:20
Rolling of metals Subjects of interest pdf
... Udomphol Suranaree University of Technology Jan-Mar 2007 Seamless rings Ring rolling Tapany Udomphol Suranaree University of Technology Jan-Mar 2007 Fundamental concept of metal rolling 1) The arc of contact between ... and front tension to the strip. • The speed of each set of rolls is synchronised so that the input speed of each stand is equal to the output speed of precedi...
Ngày tải lên: 06/07/2014, 09:20
BELMONT REPORT: ETHICAL PRINCIPLES AND GUIDELINES FOR THE PROTECTION OF HUMAN SUBJECTS OF RESEARCH ppt
... Education, and Welfare Office of the Secretary PROTECTION OF HUMAN SUBJECTS BELMONT REPORT: ETHICAL PRINCIPLES AND GUIDELINES FOR THE PROTECTION OF HUMAN SUBJECTS OF RESEARCH Report of the National ... be considered a matter of social justice, that there is an order of preference in the selection of classes of subjects (e.g., adults before children), and that some clas...
Ngày tải lên: 22/03/2014, 15:21
Magnesium and its alloys Subjects of interest ppsx
... those of Al alloys. Tapany Udomphol Suranaree University of Technology May-Aug 2007 Magnesium and its alloys Magnesium and its alloys Subjects of interest • Introduction/Objectives • Production of ... University of Technology May-Aug 2007 Objectives Objectives • This chapter provides fundamental knowledge of different methods of productions / heat treatments of magnesium...
Ngày tải lên: 06/07/2014, 09:20
Extrusion Subjects of interest ppsx
... extrusion • Analysis of the extrusion process • Cold extrusion and cold-forming • Hydrostatic extrusion • Extrusion of tubing • Production of seamless pipe and tubing Chapter 4 Subjects of interest Tapany ... hot-shortness range. • Oxidation of billet and extrusion tools. • Softening of dies and tools. • Difficult to provide adequate lubrication. 1) The initial temperature of...
Ngày tải lên: 06/07/2014, 09:20
Forging Subjects of interest docx
... mass v = velocity of ram at start of deformation g = acceleration of gravity p = air or steam pressure acting on ram cylinder on downstroke A = area of ram cylinder H = height of the ram drop …Eq ... capable of making parts ranging in size of a bolt to a turbine rotor. • Most forging operations are carried out hot, although certain metals may be cold-forged. Suranaree Un...
Ngày tải lên: 06/07/2014, 09:20
Drawing of rods, wires and tubes Subjects of interest docx
... University of Technology Jan-Mar 2007 The effect of die angle on the total energy required to cause deformation U T U P α αα α * U f U r α αα α U Components of total energy of deformation Ideal work of ... University of Technology Jan-Mar 2007 Consider the problem of strip drawing of a wide sheet, (Dieter p. 509) • A wide strip is being drawn through a frictionless die wit...
Ngày tải lên: 06/07/2014, 09:20
Sheet-metal forming Subjects of interest doc
... Suranaree University of Technology Jan-Mar 2007 Hydroforming Stamp hydroforming machine setup with a fluid supplied from one side of the draw blank www.egr.msu.edu A drawing of hydroforming setup ... radius of curvature before release of load R f = the radius of curvature after release of lead and R o < R f Solutions: compensating the springback by bending to a smaller rad...
Ngày tải lên: 06/07/2014, 09:20
Advanced metal forming processes Subjects of interest docx
... Superplastic forming • Pressing and sintering • Isostatic pressing Subjects of interest Chapter 8 Tapany Udomphol Suranaree University of Technology Jan-Mar 2007 • Edwards, L. and Endean, M., Manufacturing ... melting point of the material, but at a temperature sufficiently high to allow an acceptable rate of diffusion to occur. Sintered products Tapany Udomphol Suranaree Univer...
Ngày tải lên: 06/07/2014, 09:20
Hardness Test Subjects of interest potx
... finally factors affecting hardness of metals will be discussed. Tapany Udomphol Suranaree University of Technology May-Aug 2007 Hardness Test Hardness Test Subjects of interest • Introduction/objectives • ... metals, resulting from ridging or piling up of the metal around the faces of the indenter. Produce a low value of contact area giving too high value. Tapany Udompho...
Ngày tải lên: 06/07/2014, 09:20