Sheet-metal forming Subjects of interest doc

Sheet-metal forming Subjects of interest doc

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...

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Advanced metal forming processes Subjects of interest docx

Advanced metal forming processes Subjects of interest docx

... 2007 Advanced metal forming Advanced metal forming processes processes • Introduction/Objectives • Superplastic forming • Pressing and sintering • Isostatic pressing Subjects of interest Chapter ... costly. Superplastic forming Tapany Udomphol Suranaree University of Technology Jan-Mar 2007 • Advanced techniques for metal forming are listed below; Introduction Introduction...

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Forging Subjects of interest docx

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 ... Udomphol Suranaree University of Technology Jan-Mar 2007 Example: Die set and forging steps for the manufacturing of an automobile engine connecting rod • Preforming of a roun...

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Drawing of rods, wires and tubes Subjects of interest docx

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...

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Magnesium and its alloys Subjects of interest ppsx

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...

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Rolling of metals Subjects of interest pdf

Rolling of metals Subjects of interest pdf

... rolling or section rolling Suranaree University of Technology Jan-Mar 2007 A variety of sections can be produced by roll forming process using a series of forming rollers in a continuous method to ... 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...

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Extrusion Subjects of interest ppsx

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...

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Machining of metals Subjects of interest pps

Machining of metals Subjects of interest pps

... 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...

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Hardness Test Subjects of interest potx

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 • ... 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...

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Tài liệu The importance of interest rates for forecasting the exchange rate doc

Tài liệu The importance of interest rates for forecasting the exchange rate doc

... exchange rate model therefore contains three lags of the difference of each of 7 If i q is the quarterly interest rate and i a is the annual interest rate, the relationship between them is ... market, namely that of UIP. According to the UIP condition, the interest rate differential will be an optimal predictor of the rate of depreciation, providing the condition...

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