Relevant bibliographies by topics / Pneumatic compactor

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Pneumatic compactor'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "Pneumatic compactor"

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Paul, Bobby P., S. Darius Gnanaraj, and J. Chandran. "Ergonomic Design of a Scrap Compactor for Small Scale Industries." Advanced Engineering Forum 10 (December 2013): 167–72. http://dx.doi.org/10.4028/www.scientific.net/aef.10.167.

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Concept design of a scrap compactor is presented. Required data for the design of the scrap compactor, the hydraulic circuit, the compression ratio, force required for compression are collected from literature. The current practice of scarp removal and storage in a small scale industry is shown. The calculations for arriving at the force required for compaction is presented. The hydraulic circuit diagram and testing of the circuit in a pneumatic test bench are explained. Cost of the prototype and the break even period are discussed. Ergonomic principles and safety due to usage of scrap compactor are highlighted.
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Halim, A. O. Abd El, A. G. Razaqpur, and A. H. El Kashef. "Effects of construction cracks on the design of asphalt pavements." Canadian Journal of Civil Engineering 21, no. 3 (June 1, 1994): 410–18. http://dx.doi.org/10.1139/l94-045.

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Compaction of asphalt mix has been recognized as one of the most important factors that affect the long-term performance of the pavement. Problems experienced in compacting asphalt mixes have generally been ascribed to the mix. Roller "checking," the result of compaction with steel rollers, has been disregarded or considered as irrelevant. Compaction based on a new concept, using a soft plate, avoids roller checking, as demonstrated by a series of side-by-side field tests with steel and pneumatic rollers. The surface cracks initiated by the steel wheel roller may provide an explanation for the often reported phenomenon of early deterioration of asphalt pavements. Finite element analyses of pavement structures with roller-induced cracks have shown significantly higher tensile stresses than the corresponding stresses in otherwise identical uncracked pavements. The analytical findings are supported by indirect tensile and stress fatigue tests results obtained in the laboratory from asphalt samples compacted in the field. The test samples were recovered from pavements compacted either by existing compaction equipment and technique or by the new soft plate method. Key words: asphalt, crack, compaction, fatigue, finite element, tensile strength testing, pavement.
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Tayebali, Akhtarhusein A., John A. Deacon, and Carl L. Monismith. "Development and Evaluation of Dynamic Flexural Beam Fatigue Test System." Transportation Research Record: Journal of the Transportation Research Board 1545, no. 1 (January 1996): 89–97. http://dx.doi.org/10.1177/0361198196154500112.

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Although both mix variables and environmental variables are known to affect the fatigue response of asphalt-aggregate mixes, other factors—including specimen fabrication procedure and test equipment and procedures—are equally important. The development of a dynamic flexural beam fatigue test system is described, and the effects of specimen compaction method and equipment type on the precision of in situ fatigue lives of asphalt-aggregate mixes predicted by using laboratory strain-life relationships are discussed. Results indicate a coefficient of variation of 41 percent in fatigue life for the new fatigue equipment compared with one of 93 percent for an earlier electropneumatic version. The specimen compaction method was also found to influence significantly the precision of the predicted fatigue life. A 33 percent difference in coefficients of variation between the fatigue response of rolling wheel–compacted specimens and kneading-compacted specimens was observed. Consequently, twice as many specimens are required to achieve a given level of precision in in situ predicted fatigue life if kneading compaction is used instead of rolling wheel compaction. Similarly, if a pneumatic system and associated test procedure are used, approximately 12 times as many specimens are required to achieve similar precision in predicted fatigue life compared with the new servohydraulic fatigue test system.
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Jakobsen, B. F., and A. R. Dexter. "Prediction of soil compaction under pneumatic tyres." Journal of Terramechanics 26, no. 2 (January 1989): 107–19. http://dx.doi.org/10.1016/0022-4898(89)90001-3.

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NOSOV, S. V., B. A. BONDAREV, and I. S. NOSOV. "Features of the Technology of Construction of Road Pavements from Vacuum-Treated Asphalt Concrete Mix." Stroitel'nye Materialy 785, no. 10 (2020): 31–37. http://dx.doi.org/10.31659/0585-430x-2020-785-10-31-37.

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When changing the structural properties of road construction materials, their compaction technologies should be improved with the choice of the best compaction means and their technological modes of operation in specific conditions of work conduction. For a mixture evacuated at an asphalt concrete plant that has increased water and frost resistance characteristics, as well as changed rheological parameters, it is also necessary to determine the technological parameters of the compaction means used, taking into account the features of its rheological characteristics. The compaction technology of vacuum-treated hot asphalt-concrete mix by pneumatic wheel roller with the determination of the necessary number of passes on the trail, speed modes along the roller passages and the magnitude of the air pressure in the tires of the roller has been developed. Using a promising rheological approach, the dynamics of accumulation of the asphalt concrete mixture layer density along the roller passages was studied by simulation modeling, and the time when the pneumatic roller was finished and the compaction work was transferred to heavy smooth rollers was determined. Changing the rheological properties of the vacuum-treated asphalt mix increases the efficiency of its compaction, reducing material costs, increasing the productivity of compaction tools while improving the quality and durability of road asphalt pavements. Keywords: hot asphalt-concrete mix, rheological properties, water and frost resistance of asphalt concrete, road roller, compaction.
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Shishkin, E. A., S. N. Ivanchenko, and A. A. Smolyakov. "Elastic aftereffect in the process of asphalt concrete mixture compaction." Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta 7, no. 1 (March 25, 2021): 90–95. http://dx.doi.org/10.22281/2413-9920-2021-07-01-90-95.

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Asphalt concrete of various brands is mainly used as a road surface. The quality and durability of the coating depends on its density. To achieve the required density of the asphalt concrete pavement, road rollers are used. The working body of the roller is a metal drum or a set of pneumatic tires. The article discusses the process of the asphalt concrete mixture compaction with a smooth metal drum. A rheological model of the force interaction of a smooth drum with a material is adopted, which includes elastic, viscous and plastic elements. The adopted model was corrected taking into account the investigated process of elastic aftereffect that occurs in the asphalt concrete mixture during compaction. The law of behavior of asphalt-concrete mixture with elastic aftereffect is established. A simulation model has been developed to study the behavior of a material in the process of elastic aftereffect. In the course of dynamic modeling, the relationship between the physical and mechanical characteristics of the compacted material with the design and technological parameters of the road roller was established. A statistical analysis of the design parameters of existing models of road rollers has been carried out. The results of the analysis, as well as the obtained dependencies, can be used to designate the technological modes of operation of a set of road rollers when compacting the asphalt concrete pavement of a motor road. Taking into account the elastic aftereffect when assigning the operating modes of the compaction equipment will improve the compaction efficiency, as well as the quality of the resulting coating.
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Li, Xiong Zhuang, Jian Jun Hao, Jian Chang Li, Jian Guo Zhao, and Yue Jin Ma. "Design of Welding with Trailing Peening System for Reaction Nitrogen Arc Welding Cladding." Applied Mechanics and Materials 190-191 (July 2012): 444–46. http://dx.doi.org/10.4028/www.scientific.net/amm.190-191.444.

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In order to reduce welding stress, decreased welding crack and improve coating performance, a set of complete computer control system was designed and applied to prepare TiCN cermet composite coating by process. The system, which consists of PC, SCM (AT89C52), sensor, interface circuit, pneumatic rammer, corresponding mechanism and valves, can peen the welded seam by a pneumatic rammer which is controlled by the signal from data acquisition card. The system can easily adjust the peening frequency, force, distance, and angle able. The result show that the system can make coatings more inseparable and compacter, less weld defect, and the coatings have an excellent mechanical property.
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Fadjar Purnomo, Muhammad Fajar Subkhan, Andrea Saputra Antang Pratama,. "ANALISA PENGGUNAAN ALAT BERAT PROYEK PEMBANGUNAN UNDERPASS SIMPANG DEWA RUCI DENPASAR, BALI." PROKONS Jurusan Teknik Sipil 8, no. 2 (August 31, 2014): 111. http://dx.doi.org/10.33795/prokons.v8i2.67.

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400 m long and 16 m wide Simpang Dewa Ruci underpass construction project is a new one in Bali. It is of drilled pile system which need heavy equipment for drilling.The purpose of this study is to find out the unit price of some heavy equipment, like drill pile, excavator back hoe, dump truck, wheel dozer, tandem vibratory roller, asphalt finisher, and pneumatic tire roller.The calculations result in unit price of job the drill with drill pile at IDR 93,921.79/m3, unit price of job entrenchment and soil moving with excavator back hoe at IDR 14,656.22/m3, unit price earth moving work with dump truck at IDR 38,324.82/m3, unit price leveling congeries with whell dozer at IDR 2,644.87/m3, unit price soil compaction and asphalt compaction with tandem vibratory roller at IDR 4,034.93/m3, unit price of the spreading asphalt with asphalt finisher at IDR 34,637.50/m3, and unit price asphalt compaction with pneumatic tire roller at IDR 13,478.42/m3.Keywords: capacity, heavy equipment, productivity, unit price, use
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Wang, Ying Fei, San Peng Deng, Bo Chen, and Lin Ling Zhang. "Design of Pneumatic Parachute-Packing Machine." Advanced Materials Research 989-994 (July 2014): 3286–89. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.3286.

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As ground support equipment, drag parachute packing machine is used for packaging aircraft drag parachute. It is driven by high-pressure inert gas. Drag parachute will be compacted in the cylinder loading institution by high pressure. The overall structure of drag parachute packing machine is designed. The finite element analysis and structure optimization of drag parachute packing manipulator is completed. The pneumatic control system is designed. It provides an approach for drag parachute packing technology.
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Salokhe, V. M., and Nguyen The Ninh. "Modelling soil compaction under pneumatic tyres in clay soil." Journal of Terramechanics 30, no. 2 (March 1993): 63–75. http://dx.doi.org/10.1016/0022-4898(93)90020-x.

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Dissertations / Theses on the topic "Pneumatic compactor"

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Macek, Tomáš. "Konstrukční návrh testovacího zařízení pneumatických válců." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417578.

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This diploma thesis deals with the design of test equipment for selected types of pneumatic cylinders. In the first, theoretical, part of the work is an analysis of the current state of knowledge in the field of pneumatic cylinders. Furthermore, the problems in the field of measurement and testing of pneumatic components are described here, selected linear position sensors are also described herein too. The second, practical, part deals with the choice of a suitable design variant and the actual solution of the test equipment design. A pneumatic circuit is also designed here. Part of the work is a 3D model of the test equipment and drawing documentation. The conclusion of the work is devoted to the overall evaluation of the work and recommendations for practice.
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Vít, Jakub. "Odstředivá brzda motoru pro pneumatikový válec." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232084.

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The aim of my thesis is the design of centrifugal brakes to prevent twisting of the combustion engine with pneumatic compactor. In the first part of my thesis I deal with existing and similar systems that prevent over speeding. In the second part I deal with the design of its own centrifugal brake. This includes basic functional, strength, thermal calculation, design of components and fabrication drawings according to the assignment.
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Klasa, Ferianc Juraj. "Hodnocení vlivu pojezdů mechanizačních prostředků na utužení půdy v meziřadí vinic =:Evaluation of the impact of mechanical means on soil compaction in vineyards. /." Doctoral thesis, 2019. http://www.nusl.cz/ntk/nusl-426277.

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The dissertation thesis deals with the evaluation of the influence of the movements of the mechanization devices on soil compaction in grassed and cultivated vineyard between the lines after application of graded doses of organic matter (compost). This question was verified using penetrometer measurements. For the purpose of experimentation were selected in the vineyard region of South Moravia three experimental habitats with different soil conditions (Lednice, Velké Bílovice, Mikulov). In the autumn of 2013, the application of compost to the cultivated intercooler took place in doses of 5 and 10 kg.m-2. Penetrations measurements for each experimental site were carried out in four variants (grassed between the lines, cultivated between the lines, cultivated between the lines with application of 5 kg.m-2 and cultivated between the lines with application of 10 kg.m-2). Individual measurements were performed using a Eijelkamp penetrometer, which works at an accuracy of 99.9 % and its working depth is 800 mm. At the same time, soil samples were removed to determine the current soil moisture. Based on the measurements, high values of soil compaction were found for all monitored habitats. At the same time, the positive effect of the organic mass produced in the form of compost on the total soil compaction was demonstrated, which was 20 % lower in autumn 2016 than in the autumn of 2013. The worst was the period of spring 2014 and autumn 2015. The highest values of penetrometric resistance of the soil were measured from the rule for grassed between the lines. On the contrary, the lowest values were measured for the variant of the cultivated between the lines with the application of 10 kg.m-2. The parts of the dissertation are also the results of the evaluation of pressure transmissions using the TASC program and the results of the tire imprint.
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Book chapters on the topic "Pneumatic compactor"

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Daeyoung, Kim, Ryoichi Nakamura, Etsuko Kobayashi, Ichiro Sakuma, and Takeyoshi Dohi. "Application of Compact Pneumatic Actuators to Laparoscopic Manipulator." In Medical Image Computing and Computer-Assisted Intervention – MICCAI 2001, 1424–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/3-540-45468-3_254.

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Conference papers on the topic "Pneumatic compactor"

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Murayama, Eiji, Yukio Kawakami, Kazuhisa Ito, Akiyoshi Horikawa, Koji Shioda, and Masashi Ogawa. "Development of new articulated manipulators with compact pneumatic cylinders." In 2012 IEEE International Conference on Mechatronics and Automation (ICMA). IEEE, 2012. http://dx.doi.org/10.1109/icma.2012.6283239.

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Tuokko, Reijo O., Ilpo Karjalainen, Tommi Kauppinen, Tapio Virvalo, Esa Maekinen, and Riku Heikkilae. "Compact and intelligent servo pneumatic gripper for agile automatic assembly." In Photonics East '99, edited by George K. Knopf, Patrick F. Muir, and Peter E. Orban. SPIE, 1999. http://dx.doi.org/10.1117/12.371179.

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Heim, Isaac, Hao Zheng, and Xiangrong Shen. "A Quadruped Robot Powered With Pneumatic Actuators." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51004.

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This paper presents the design and control of a quadruped robot, which uses pneumatic actuators to power the eight joints in the robot. Leveraging the high performance of pneumatic actuators, the quadruped is able to provide the desired torque and power output while keeping the robot compact and lightweight. The ultimate purpose for the quadruped is to assist and accompany its human user in the daily life. As such, the overall design of the quadruped takes inspiration from human lower limbs, i.e., the quadruped can be imagined as the combination of two pairs of human lower limbs in opposite directions. The design details of the robot are presented, including the hip and knee joints and their actuation mechanisms. The control scheme is also presented, in which the robotic joints follow similar trajectories of their human biological counterparts. In the preliminary testing, the quadruped robot was able to walk continuously at a stable gait, demonstrating the effectiveness of the robot design and control approaches.
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Kato, Tomonori, Tetsuma Hirakawa, Mitsuhiro Nakao, Takashi Oowaku, Hirohisa Sakuma, and Toshiharu Kagawa. "Feed-Forward Control of an Arbitrary Pressure Pulsation Generator and its Application to Testing an Orifice-Type Flow Meter." In ASME/BATH 2014 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpmc2014-7858.

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This paper presents a compact arbitrary pressure pulsation generator for assessing the characteristics of flow meters and sensors, particularly around their zero points. In this study, a compact arbitrary pressure pulsation generator was created using some pneumatic components, such as a high-precision quick-response pneumatic pressure regulator (HPR) and a spool-type servo-valve. The feed-forward compensation of the controller provided the desired pressure pulse to the tested flow meter by controlling the spool-type servo valve; 30 Hz was achieved. In order to validate the effectiveness of the developed generator, we evaluated the dynamic characteristics around the zero point of an orifice-type flow meter in the range from 1 Hz through 30 Hz.
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Manfredi, Luigi, and Alfred Cuschieri. "A Wireless Compact Control Unit (WiCCU) for Untethered Pneumatic Soft Robots." In 2019 2nd IEEE International Conference on Soft Robotics (RoboSoft). IEEE, 2019. http://dx.doi.org/10.1109/robosoft.2019.8722788.

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Zabrodskyi, Andrii, Egidijus Sarauskis, Antanas Juostas, and Savelii Kukharets. "Effect of pneumatic tire pressure and deformation parameters on decreasing soil compaction." In 20th International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2021. http://dx.doi.org/10.22616/erdev.2021.20.tf243.

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Gandhi, Prasanna S., Anand Savalia, and Himani Shah. "Design, Fabrication, and Characterization of a Pneumatic Micro Actuator." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62917.

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Compact high force linear displacement pneumatic microactuators are useful in several applications including robotic systems, surgical micro-grippers, micro mechanisms, and so on. This paper presents development of a general purpose bellow type microactuator using silicon as structural material with a low stiffness double parallelogram flexure guides for a planar bellow piston. Double flexure mechanism achieves frictionless guiding in a perfect straight line of the actuator. The proposed design is different as compared to similar other designs in the literature in that the new design proposes a flexure guide for piston. Moreover, it is integrated with comb drive for servo actuation and is five times smaller. The actuators are fabricated using standard SOIMUMPs process and are further characterized. Actuation pressure, displacement and blocking force are measured which further demonstrates their performance in comparison with simulation results. Finally, as an application example micro-flexural logic device viz. NOT gate, actuated using the micro-pneumatic actuator is presented.
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Salmeron, Lizzette J., Gladys V. Juca, Satesh M. Mahadeo, Jiechao Ma, Shuangyue Yu, and Hao Su. "An Untethered Electro-Pneumatic Exosuit for Gait Assistance of People With Foot Drop." In 2020 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dmd2020-9099.

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Abstract Individuals with foot drop caused by stroke or cerebral palsy (CP) have a particular need for robotic ankle exoskeleton. This paper proposes an untethered soft robot using an origami actuator to lift the toes of the wearer. The weight, connections, and complex control of the system are reduced through mechanical design. A compact and portable pneumatic system is designed to perform suction and compression with a single pump. The load test of the actuator shows the capability of 300N in 30 kPa. An untethered, simple and affordable robotic ankle exoskeleton is developed with the pneumatic actuator. The wearer can finish its simple 3-step donning procedure within 1 min.
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Cao, Dongpu, Subhash Rakheja, and Chun-Yi Su. "Roll Plane Analysis of Interconnected Hydro-Pneumatic Suspension Struts." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80484.

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This study presents a compact hydro-pneumatic strut design with enhanced working area to reduce the design pressure requirements for suspension applications. The two struts are interconnected in the roll plane to realize enhanced roll properties of the suspension. The feedback effects of the interconnecting pipes on the suspension stiffness and damping properties are derived and discussed. The influences of fluid compressibility on the effective ride and roll properties are also investigated. Asymmetric and variable damping valves are further introduced to realize adequately damped and soft ride, and high low speed damping in the roll mode. Fundamental properties of the proposed interconnected configurations are derived and compared with those of the unconnected struts with an anti-roll bar, in terms of suspension vertical stiffness, roll stiffness, and vertical and roll mode damping. Parametric studies are also performed to study the role of interconnecting parameters on the essential suspension properties. The results indicate that interconnected suspension with inherent enhanced roll stiffness and damping characteristics offers significant potential to improve the dynamic roll performance of heavy vehicles, while retaining soft vertical ride. The effectiveness of the proposed concept is further illustrated through simulation results attained under two different deterministic excitations.
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Miyazaki, Ryoken, Tomohisa Terata, Takahiro Kanno, Toshiaki Tsuji, Gen Endo, and Kenji Kawashima. "Compact haptic device using a pneumatic bellows for teleoperation of a surgical robot." In 2015 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). IEEE, 2015. http://dx.doi.org/10.1109/iros.2015.7353644.

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