Full Report - Section 1 Section 2 Figur e 1 : Four Post...

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Unformatted text preview: Section 1 Section 2 Figur e 1 : Four Post Press Figur e 2 : Wide Flange Beam Cross Head Figur e 4 : Wide Flange Beam Cross Section Figur e 3 : Wide Flange Beam Cross Head 12.89 12.22 0.99 0.99 0.61 41 3 3 41 Figur e 5 : Beam Theor y Model F R R R L M R M L Figur e 6 : Loading Diagram 300,000 lb 150,000 lb 150,000 lb 1,537,500 ft lb 1,537,500 ft lb Figur e 7 : Force and Moment Diagram 0 lb-150,000 lb 150,000 lb Figur e 8 : Shear Diagram 0 ft lb 1,537,500 ft lb 1,537,500 ft lb-1,537,500 ft lb Figur e 9 : Bending Moment Diagram Figur e 10 : Def lection Diagram 0 0.00050734 Section 1 Section 2 Figur e 11 : Wide Flange Beam Sections 6.11 Figur e 12 : Section 1 of Beam F R M 4 Figur e 13 : Section 1 Diagram 4 300,000 lb 300,000 lb 1,200,000 ft lb Figur e 14 : Section 1 Diagram 300,000 lb 1,200,000 ft lb R M 10.91 Figur e 15 : Section 2 Diagram 300,000 lb 1,200,000 ft lb 300,000 lb 1,200,000 ft lb 109,990.834 lb 1,200,000 ft lb Figur e 16: Section 2 Diagram 6.110 0.663 0.447 4.000 Figur e 17 : Total Cross-Sectional Twist Figur e 18 : Def lection in Full Beam 71.44 3.631 0.447 1.330 79.65 0.663 4.000 Figur e 19 : Def lection in Full Beam 79.65 10.35 79.65 0.447 0.439 0.718 10.35 3.631 79.65 0.663 4.000 Figur e 20 : Def lection in Full Beam 1.157 igur e 21 : Def lection in Full Beam P a g e | 1 I ntroduction Manufacturing- the process by which a raw material is transformed or manipulated to add value every step in order to achieve a finished product. The process of making every finished good today consists of value adding steps. During the production of many parts, more importantly, larger metal parts, there is usually a process included that bends, cuts, press forms, or shears the metal that requires the force of a machine such as a press brake, hydraulic four-post press, lathe, or hydraulic punch. One of the more difficult aspects to evaluate or estimate in any of these machining processes is the tolerance range which the part being produced must be within. The main objective for the project at hand is to determine the achievable tolerance range when pressing a 6 x 8 x 0.025 aluminum plate mounted on an elastically- deformable rubber pad and located in the center of the cross head in the x direction and 4 forward, or toward the operator, in the y direction of a four-post press shown in Figure 1 to the right. Figure 2 below depicts where the force will be exerted on the cross head of the machine, which consists of a wide flange beam. The four post press will be assessed at the nominal maximum press force of 150 tons, although 150 tons may not need to be used during the actual pressing of the aluminum plate. P a g e | 2 Knowing the part being pressed is located 4 off center on the cross head, deflection would occur in the form of bending and twisting and must be accounted for when determining the...
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This note was uploaded on 04/27/2011 for the course IME 430 taught by Professor David during the Spring '11 term at Founders College.

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Full Report - Section 1 Section 2 Figur e 1 : Four Post...

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