Extrusion Subjects of interest ppsx

... in 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 ... Suranaree University of Technology Jan-Mar 2007 Extrusion Extrusion • Introduction/objectives • Classification of extrusion processes • Extrusion equip...

Ngày tải lên: 06/07/2014, 09:20

... 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

... consists only of two basic types • extrusion (flow parallel to the direction of the die motion) • upsetting ( flow perpendicular to the direction of the die motion). - However both types of metal ... 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 = hei...

Ngày tải lên: 06/07/2014, 09:20

... 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

... 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

... 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

... processes • Non traditional machining processes • Economics of machining Chapter 7 Subjects of interest Tapany Udomphol Suranaree University of Technology Jan-Mar 2007 vF vF energyTotal engergyShearing h ss = From ... ratio of the chip length L c , to the length of the workpiece from which it came, L w • If L c is unknown, it can be determined by measuring the weight of chip...

Ngày tải lên: 06/07/2014, 09:20

... 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

... 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 • ... 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 Udomphol Suranaree Universit...

Ngày tải lên: 06/07/2014, 09:20

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