A FEASIBILITY STUDY ON PERFORMING ROTARY FORGING PROCESS BY HEXAPOD TABLE AND ESTIMATION OF FORMING LOAD FOR A CYLINDRICAL WORKPIECE

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HOSSEINI SEYED VAHID; NATEGH MOHAMMAD JAVAD

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:6 Page(s): 41-51

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Information Journal Paper

Title

A FEASIBILITY STUDY ON PERFORMING ROTARY FORGING PROCESS BY HEXAPOD TABLE AND ESTIMATION OF FORMING LOAD FOR A CYLINDRICAL WORKPIECE

Author(s)

HOSSEINI SEYED VAHID | NATEGH MOHAMMAD JAVAD | Issue Writer Certificate

Keywords

ROTARY FORGINGQ2

HEXAPODQ2

MOTION PROFILESQ1

FORGING FORCEQ1

Abstract

ROTARY FORGING is a forming method in which the forces exerted on the work piece can be reduced by using an inclined forming tool. The final shape of work piece is formed gradually. The conventional machines used in this process typically have separate rotational and linear (feeding) motions. The rotational motion is applied by an eccentric mechanism; the feeding motion is exerted with a linear actuator. These machines follow forward kinematics which does not consider the geometry of the work piece to create MOTION PROFILES. Hence, having a special profile to be fully compatible with the piece is not possible. Such compatibility is beneficial to applying a more precise control on the material flow and achieving sound forgings. In this study, the feasibility of performing the ROTARY FORGING process on a HEXAPOD table has been investigated. A HEXAPOD machine available to the authors has been employed for this purpose. The HEXAPOD table with six degrees of freedom is responsible for all shaping motions. This device can be used to produce different MOTION PROFILES for complex work pieces. The appropriate profiles are obtained through the inverse kinematics. The maximum force being applied on the HEXAPOD actuators was calculated. Two circular and linear profiles were examined to practically shape cylindrical work pieces, and forming load was compared with conventional forging for producing lead cylindrical work pieces. Obtained results show that the linear profile is more desirable than the circular profile in terms of force analysis, and required force in orbital forging is far lower comparing to conventional forging.

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APA: Copy

HOSSEINI, SEYED VAHID, & NATEGH, MOHAMMAD JAVAD. (2016). A FEASIBILITY STUDY ON PERFORMING ROTARY FORGING PROCESS BY HEXAPOD TABLE AND ESTIMATION OF FORMING LOAD FOR A CYLINDRICAL WORKPIECE. MODARES MECHANICAL ENGINEERING, 16(6), 41-51. SID. https://sid.ir/paper/178788/en

Vancouver: Copy

HOSSEINI SEYED VAHID, NATEGH MOHAMMAD JAVAD. A FEASIBILITY STUDY ON PERFORMING ROTARY FORGING PROCESS BY HEXAPOD TABLE AND ESTIMATION OF FORMING LOAD FOR A CYLINDRICAL WORKPIECE. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(6):41-51. Available from: https://sid.ir/paper/178788/en

IEEE: Copy

SEYED VAHID HOSSEINI, and MOHAMMAD JAVAD NATEGH, “A FEASIBILITY STUDY ON PERFORMING ROTARY FORGING PROCESS BY HEXAPOD TABLE AND ESTIMATION OF FORMING LOAD FOR A CYLINDRICAL WORKPIECE,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 6, pp. 41–51, 2016, [Online]. Available: https://sid.ir/paper/178788/en

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