Calculate the length of developed blank, Mechanical Engineering

Calculate the Length of Developed Blank

Part shown in Figure is to be produced from flat sheet by bending operation. Calculate the length of the developed blank. Assume k = 0.3.

928_Calculate the Length of Developed Blank.png

                                        Figure

 

Solution

Reference to Figure 15.5 the part is a case of straight Bend with the following parameters :

Bend Angle  : 90 degree Bend Radius : 5 mm Lengths        

L1 : 20 mm

L2 : 15 mm

Bend Allowance = θ (r + kt)

BA = ∏ /2  (5 + 0.3 × 2)

= 8.796 mm

Bend Compensation = - BA

BC = - 8.796 mm

Blank Length = L1 + L2 - BC

= 20 + 15 - (- 8.796)

=  43.796 mm.

 

Posted Date: 12/26/2012 7:05:58 AM | Location : United States







Related Discussions:- Calculate the length of developed blank, Assignment Help, Ask Question on Calculate the length of developed blank, Get Answer, Expert's Help, Calculate the length of developed blank Discussions

Write discussion on Calculate the length of developed blank
Your posts are moderated
Related Questions
#queConsider laminar flow in a circular tubewith a fully developed velocity profile.Let the heat be added at a constant rate along the tube from x+ =0 to x+ =0.10 . Thereafter ,

Engine oil : Check engine oil level and viscosity.

HOW TO CALCULATE OUTPUT TORQUE OF HELICAL GEAR BOX

(a ) What are the demerits and merits of sliding mesh gear box? (b) Show a four speed gear box, including reverse speed for a passenger car and illustrate how the speed ratio is

Isothermal Transformation: Austenite is not normally converted in martensite instantly but the procedure continues for some time. Various steels take various time for full tr

Draw schematic diagram of a position control system using armature controlled DC Servo motor. Graph the signal flow graph and hence calculate the closed loop transfer function.

A tube assembly constructed of Cu with an inside diameter of 1.25 cm, wall thickness of 0.8 mm and circumferential fins around the periphery. The fins have thickness of 3 mm, and a

Find increase in the length of bar: Q: Find increase in the length of bar of uniform section because of self weight. Sol.: Take a bar of cross sectional area A and leng

Product Holon The product holon serves as the knowledge base for the manufacturing system. This can be portrayed like an information server to the other holons concerned in the

What are the various methods for calculation of Natural frequencies? Illustrate one of them. A cylinder of diameter 100 mm and mass 1 Kg floats vertically in a liquid of mass de