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1
Content available remote Analysis of the Effectiveness of Dry Ice Agglomeration in Crank Piston Pelletizeri
Górecki J., Talaśka K., Wałęsa K., Wilczyński D.
Machine Dynamics Research
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2018
|
Vol. 42, No. 4
33--41
EN
The article presents the results of the analysis of effectiveness of the force utilized in the process of agglomeration of dry ice in the crank-piston compaction technique. The analysis is a continuation of research intended to demonstrate the effectiveness of the system. The results will be used to formulate design recommendations that will be taken into consideration when designing machines for the agglomeration of crystallized carbon dioxide. Results presented in this article are the second part of the work aimed at describing the operation of the agglomerating machine which realizes the compaction process of dry ice utilizing the crank-piston technique.
2
Content available Fertiliser Value and Trace Element Content of Composts Produced from Different Wastes
Meller E., Niedźwiecki E., Rogalska P., Jarnuszewski G., Wilczyński D.
Journal of Ecological Engineering
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2015
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Vol. 16, nr 4
154--160
EN
Composting process provides a valuable material improving physical and chemical properties of soil. The quality of the obtained compost depends to a great extent on the kind of material subjected to stabilisation. Composting biodegradable products may result in the end product exceeding heavy metal limits that cannot be used in agriculture. The studies included composts produced in the compost plant in Kołobrzeg, the Municipal Waste Recovery and Storage Plant in Leśno Górne and the Waste Managemant Plant in Wardyń Górny. Composts were made from municipal solid waste, sewage sludge with straw and sawmill waste, and from urban green waste. The following determinations were determined: morphological composition, total content of macroelements and microelements and the level of these elements soluble in HCl at the concentration of 0.5 mol dm-3. The examined composts contained the amounts of total Pb, Ni and Cd allowing for their use in agriculture and the compost from sewage sludge, straw and sawmill waste, turned out to have the best utilisation properties.
3
Content available remote Research on Design Features of Pneumatic Drive for Kinematics Structure of Parallel Manipulator : Tripod Type
Wilczyński D., Dudziak M.
Machine Dynamics Research
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2014
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Vol. 38, No. 1
93-104
EN
The paper presents a simple construction of the tripod parallel manipulator with a pneumatic actuator and functional tests of this device. The double-acting actuators with unilateral piston rod were applied as the drives. The presented research concerns the possibility of the positioning accuracy of the manipulator using the control system which was built in the LabView. The study was performed for the different values of the supply pressure of actuators and different load conditions of work platform of the manipulator. The results identified the key functional features (kinematic) and load conditions. The results allowed to specify the application areas of the pneumatic manipulator and to show the directions to improve the positioning accuracy.
4
Content available remote Initial Research on the Positioning Performance of the Proposed Pneumatic Hybrid Drive
Perz P., Wilczyński D., Malujda I.
Machine Dynamics Research
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2014
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Vol. 38, No. 2
95-100
EN
The described system design eliminates the typical drawbacks of pneumatic positioning drives. It enhances maintaining the desired position, ensures shorter positioning times and higher average speed of the piston travel and, last but not least: greater positioning accuracy. An important advantage of the proposed positioning system is that it can do well without a high-performance processor.
5
Content available remote Experimental Research on the Effect of Moisture Content of Fibrous Materials on the Agglomeration Process Parameters
Wilczyński D., Malujda I., Talaśka K.
Machine Dynamics Research
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2014
|
Vol. 38, No. 3
25-32
EN
The subject of these research is the effect of the moisture content of the rye straw and oat straw compressed by cylinder and ram test assembly. It was assumed that the straws should be cut to pieces shorter than two thirds of the internal diameter of the test cylinder (ca. 20 mm). In the test a specified quantity of the straw was fed into a 32 mm dia. By 50 mm high test cylinder. The samples were initially compressed by a 1070 g weight. The relative density was tested for different moisture content levels. The samples were prepared by seasoning in a stationary climate chamber. The seasoning time was recorded. The moisture content was measured by a moisture analyzer. MTS Insight machine was used in the tests.
6
Content available remote Pneumatic hybrid positioning system
Perz P., Wilczyński D., Malujda I.
Journal of Mechanical and Transport Engineering
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2014
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Vol. 66, No. 2
35--44
EN
This paper describes a proposed pneumatic positioning system differing in terms of operation from conventional systems produced in Poland and in other countries. The proposed solution is free of the main problems typical of the operation of pneumatic positioning systems. The system ensures maintaining the desired position and features shorter cycle time, higher average velocity of the piston movement and improved positioning accuracy. This has been attained by appropriately designed hybrid structure of the mechanical and control subsystems.
PL
W artykule zaproponowano nową metodę działania pneumatycznego układu pozycjonującego, odmienną od stosowanych w układach konwencjonalnych. W przedstawionym rozwiązaniu wyeliminowano istotne wady pneumatycznych napędów pozycjonujących. Zaproponowany hybrydowy układ pozycjonujący zapewnia utrzymywanie zadanej pozycji, krótsze czasy pozycjonowania, większą prędkość średnią tłoka i większą dokładność pozycjonowania. Spełnienie tak określonych parametrów jest zapewnione przez odpowiednio opracowaną hybrydową konstrukcję struktury napędu i zespołu sterowania.
7
Content available remote Wpływ parametrów wydruku drukarką 3D wykonanego w technologii RepRap na właściwości wytrzymałościowe modelu
Sikorski Sz., Wilczyński D., Malujda I., Talaśka K.
Mechanik
|
2013
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R. 86, nr 12
1056--1057
PL
Przedstawiono wyniki badań właściwości wytrzymałościowych modeli wydrukowanych w technologii RepRap w zależności od parametrów druku, stopnia wypełnienia modeli oraz rodzaju wypełnienia. Zwrócono uwagę na wpływ ułożenia przestrzennego wypełnienia – na przykładzie typu szkieletowego nazywanego plastrem miodu. Uzyskane wyniki stanowią podstawę wyboru wymaganych parametrów wydruku, które wpływają na wytrzymałość modelu.
EN
The paper presents results of strength tests conducted on models produced on 3D printer in RepRap technology under conditions of different process parameters, or different fill up materials or their layout. Attention is also paid to the fill extension by the example of skeleton or honeycomb structure. Results of the work should provide for a reliable reference in selection of the process operating conditions and parameters to ensure desired strength of the model.
8
Content available remote Robot inspekcyjny do przewodów wentylacyjnych poziomych – sterowanie automatyczne
Socha B., Tarkowski P., Wilczyński D., Talaśka T.
Mechanik
|
2013
|
R. 86, nr 12
1058--1059
PL
Omówiono problematykę sterowania automatycznego robotem inspekcyjnym. Przedstawiono prototyp robota oraz rozwiązania konstrukcyjne poszczególnych modułów funkcjonalnych. Proponowane rozwiązania wykorzystano do zbudowania prototypu robota, który przebadano po kątem sprawności działania i funkcjonalności.
EN
Discussed are problems related to auto controlled operation of the air duct inspection robot. Presented is the robot prototype complete with description of engineering solutions of particular function modules. All the engineering solutions as described were used to build the prototype of the robot which has been comprehensively tested for reliable operating and functioning performance.
9
Content available remote Robot inspekcyjny do przewodów wentylacyjnych poziomych – sterowanie manualne
Tarkowski P., Socha B., Wilczyński D., Malujda I.
Mechanik
|
2013
|
R. 86, nr 12
1060--1061
PL
Omówiono problematykę sterowania manualnego robotem inspekcyjnym. Zaproponowano sposób budowy poszczególnych modułów odpowiedzialnych za realizację funkcji robota. Opisane rozwiązania zostały wykonane, dzięki czemu możliwe było przebadanie działania prototypu.
EN
Discussed are problems related to operation of the air duct inspection robot under manual control. Suggested are engineering solutions for particular modules responsible for functions of the robot. These engineering solutions as described were actually produced and used to build the prototype of the robot which made it possible to comprehensively test the robot prototype performance.
10
Symulacja ruchu manipulatora równoległego typu tripod
Auguściński A., Wilczyński D., Tałaśka K.
Przegląd Mechaniczny
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2008
|
nr 7-8
33-36
PL
W pracy przedstawiono prototyp wirtualny manipulatora równoległego zbudowany w programie SolidWorks. Przy modelowaniu założono, że jego struktura ma zawierać trzy łańcuchy kinematyczne szeregowe o zmiennej długości, łączące platformę roboczą z podstawą. Symulacji ruchu manipulatora dokonano w programie SolidWorks przy użyciu modułu COSMOSMotion. Omówiono wyniki symulacji ruchu.
EN
The aim of the above work was to present 3D simulating model of motion of parallel ma-nipulator. This model has been created in SolidWorks system where its kinematic structure has been presented. Moreover these studies showed other possibilities of SolidWorks system, for example detection of collisions
11
Content available remote Kinematic Analysis of Parallel 3-RPS Manipulator
Wilczyński D., Auguściński A., Talaśka K.
Machine Dynamics Problems
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2008
|
Vol. 32, No. 2
104-108
EN
There was solved a problem of inverse kinematics of parallel manipulator - tripod type (3RPS). Above relationships allow to calculate the length l of kinematic pairs with variable length - P type. Solving above system of equations one can solve a problem of inverse kinematics of similar parallel structures to presented ones in this work. Relationships can be used to create control algorithm of parallel mechanism. Simulations of equations (5), (6) and (7) were performed in LabVIEW software. Verification of equations will be conducted after development of physical model of manipulator and control algorithm with usage of these equations.
12
Content available remote External Dynamics of Hand Operated Hydraulic Hammer
Auguściński A., Talaśka K., Wilczyński D.
Machine Dynamics Problems
|
2008
|
Vol. 32, No. 1
7-13
EN
Structure of hand operated hydraulic hammer was discussed in the paper. There was proposed a dynamic model of system, which describes the motion of ram and housing of hammer. There were conducted simulations based on composed equations of motion. Results of experimental examinations concerning behaviour of housing during working of tool were presented. There was performed the comparison of simulation and experimental results on real object.
13
Wymagania dotyczące opakowań transportowych
Wilczyński D.
Logistyka
|
2008
|
nr 6
CD-CD
PL
W artykule opisano wymagania stawiane opakowaniom transportowym oraz przczyny powstawania szkód materialnych w transporcie. Zaprezentowano również zagrożenia typu mechanicznego i klimatycznego oraz wymieniono sposoby przeciwdziałania ww. zagrożeniom.
EN
In paper requirements concerning transport package and causes of developing of matrial damages was described. Mechanical and climatic treaths and ways of conteracion for them was also presented.
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