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Theoretical and Experimental Study of Characteristics of Multistage Double-acting FRP Pneumatic Cylinder

Author: ShuHao
Tutor: ZhouMingLian
School: Beijing Jiaotong University
Course: Mechanical and Electronic Engineering
Keywords: Pneumatic Multi-stage double-acting cylinder Static characteristics Dynamic characteristic Friction Creeping
CLC: TH138.51
Type: Master's thesis
Year: 2009
Downloads: 63
Quote: 0
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Abstract


Since the cylinder has a movement speed , simple structure, low cost manufacturing a series of advantages in industrial automation and industrial production has been widely used. However, due to the compressibility of gas , viscosity and other characteristics different from the hydraulic system, the performance of the cylinder is far behind its engineering applications , resulting in generally poor performance cylinder . To address this situation , this paper studied the role of multi- stage double glass cylinder static and dynamic characteristics of mathematical modeling , theoretical analysis and experimental research . In this paper, a multi -level mine used fiberglass double-acting cylinders , according to the principles of fluid mechanics and establish a pneumatic drive cylinder static and dynamic mathematical model, the model parameters were calculated , and the dynamic characteristics of the cylinder was simulated and analyzed. Given the friction cylinder dynamic characteristics of the cylinder has a direct impact , the paper cylinder crawling phenomenon friction characteristics and theoretical research, the criterion of the cylinder crawling phenomenon discussed reducing and eliminating cylinder crawling phenomenon way . In theory , based on the design of the cylinder performance test based on LabVIEW software and hardware systems . Hardware, including cylinder transformation, sensor selection, data acquisition circuit ; software parts including multi- channel data acquisition and processing systems , the use of LabVIEW and domestic data acquisition card, based on virtual instrument technology to build a multi -stage double acting cylinder performance test systems . In this system , the completion of a multi-stage double-acting cylinder static and dynamic properties of experimental studies and theoretical results are compared. Through theoretical analysis and parameter calculation to establish a multi- stage double acting cylinder static and dynamic mathematical model, the performance of finished cylinder theoretical and experimental research , experimental studies validate mathematical models and theoretical study of the correctness of the mine pneumatic drills to improve work performance achieve automation of mining equipment and provides the basis .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > Pneumatic transmission > Pneumatic Components > Cylinder gas motor
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