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The Research on Pneumatic Press Base on Fluid Boosting and Mechanical Force-amplifier

Author: ZhouLuFei
Tutor: ZhongKangMin
School: Suzhou University
Course: Mechanical Manufacturing and Automation
Keywords: press air-hydraulic booster mechanism force-amplifier length effect angle effect area effect force amplifying ratio
CLC: TG305
Type: Master's thesis
Year: 2010
Downloads: 44
Quote: 1
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Abstract


Currently, majority of fluid power presses used widely in mechanical manufacturing are hydraulic presses. Another type is pneumatic press, which used in occasions of small output force required. However, hydraulic presses have low energy efficiency, and vulnerable to environmental pollution caused by oil leakage.To overcome the shortcomings of hydraulic press, combined with pneumatics transmission technology, which have advantages of no medium pollution and high energy efficiency, we designed air-hydraulic intensify presses, air-hydraulic-Mechanical force increasing composite transmission presses, air-mechanical-hydraulic composite transmission presses. The main research we do as follows:(1) We innovative design the air-hydraulic intensify presses which have two work stations and without hydraulic pump, Using only one cylinder can achieve the processing of two-station in turn, so the economy and productivity are better than traditional air-hydraulic intensify presses with single-station.(2) We innovative design air-hydraulic-Mechanical composite transmission presses and air-mechanical-hydraulic composite transmission presses based on one-step, two-step and three-step force-amplifier, Using multiple-effects with mechanical and gas-liquid area effects to increasing force, thus to deal with the technical problem of small output force in pneumatic due to the low system pressure. It can solve similar problems and provide a reference value and help in engineering.(3) We present the theoretical and actual mechanics calculating formulas of all our designs, which provide a frame of reference for the related engineering calculations.(4) We conducted a detailed analysis of kinematics and dynamics by two typical two-step force-amplifier, the mechanical curves we obtained have certain theoretical significance. (5) We conducted a kinematics simulation for the air-hydraulic-Mechanical composite transmission presses with three-step force-amplifier by Pro-Engineering software, not only to facilitate logical analysis of the mechanical properties of press, but also easy and intuitive perception of the working conditions of the press.

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal pressure processing > General issues > Pressure processing equipment
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