• Title/Summary/Keyword: Arc Crank-Pin Guide

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Mechanical Pressure Drive with Enhanced Downward Velocity Characteristics (슬라이드의 하강속도특성을 개선한 기계프레스의 구동부)

  • 구형욱;최호준;황병복
    • Proceedings of the Korean Society for Technology of Plasticity Conference
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    • 1996.03b
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    • pp.110-120
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    • 1996
  • A crank-slider mechanism is driven by the rotating disk with are crank-pin guide to be applied to the deep drawing and cold forging presses. Load characteristics for different presses are summarized to see the basics of deep drawing of sheet metal and forging in terms of load-stroke relationship. Several types of conventional deep drawing presses are also shown to be compared with the ratating disk-types press. Kinematic performances by thearc guide driving mechanism are anlayzed in terms of load capaicty, stroke, and slide velocity characteristics, and they are compared with those by conventional driving , e.g. Niagara-typepress and so on. Kinematically better performances is shown by arc guide drive than those by conventional ones. The new driving mechanism is also proven to be one of the best for mass production press in terms of short cycle time. Possible applications of the arc guide press to deep drawing and cold forging work are in terms of kinematics and load capacity.

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Kinematic Analysis of Several Linkage Drives for Mechanical Presses (다양한 링크구동 기계프레스에 대한 기구학적 분석)

  • 구형욱;황병복;임중연;이호용
    • Transactions of Materials Processing
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    • v.6 no.6
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    • pp.471-481
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    • 1997
  • This paper is concerned with the kinematic analysis of several linkage drives for mechanical presses. Load and velocity characteristics of conventional presses are illustrated and a design of new drive for a mechanical press is represented. In this regard, a crank-slider mechanism with arc crank-pin guide is introduced and compared with other linkage drives. Kinematic performances are analyzed in respect of load capacity, slide velocity characteristics using a developed SS-Plot program. The new linkage drive turns out to be effective in terms of load and velocity characteristics, and productivity.

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