J. Zajac

Publications101
h-index13
Citations471
Highly Influential Citations5
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Evaluation of share material after turning of wood plastic composite
The major objective of paper is to contribute to solve of problems of machining (technological operation - turning) of wood plastic composite (material with natural reinforcement and matrix from… Expand
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Research of the Technological Parameters Importance for Plasma Arc Thermal Cutting
Many clients and plasma arc thermal cutting devices providers deal with the question which technological factor in adjustment process of cutting has the greatest influence on the final product… Expand
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Study of Surface Roughness of Machined Polymer Composite Material
The aim of this paper is to evaluate the influence of selected cutting parameters (speed of rotation and feed rate) on the surface topography of drilled WPC material. Objective of the study is to… Expand
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Turning Bearing Rings and Determination of Selected Cutting Materials Durability
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COMPARISON OF DIFFERENT MATERIAL CUTTING TECHNOLOGIES IN TERMS OF THEIR IMPACT ON THE CUTTING QUALITY OF STRUCTURAL STEEL
  • J. Zajac
  • Materials Science
  • 30 September 2010
The paper deals with a comparison of the most frequently used thermal cutting technologies applied to the structural, low carbon steel EN S355J0 in engineering enterprises with a focus on… Expand
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THE IMPACT ANALYSIS OF CUTTING FLUIDS AEROSOLS ON WORKING ENVIRONMENT AND CONTAMINATION OF RESERVOIRS
Cutting fluids play a significant role in machining operations and impact shop productivity, tool life and quality of work. They are also key factors in machine shop productivity and production of… Expand
  • 9
Quantifying the Mechanical Properties of Materials and the Process of Elastic-Plastic Deformation under External Stress on Material
The paper solves the problem of the nonexistence of a new method for calculation of dynamics of stress-deformation states of deformation tool-material systems including the construction of… Expand
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Application of Artificial Neural Network for Identification of Bearing Stiffness Characteristics in Rotor Dynamics Analysis
TLDR
In this article the implementation of the mathematical model for rotor oscillations on non-linear bearing supports for the multistage centrifugal compressor is considered by using the computer program “Critical frequencies of the rotor”. Expand
  • 16
The structural design of 3D print head and execution of printing via the robotic arm ABB IRB 140
TLDR
This article describes the design of a 3D print head working with the ABB IRB 140 robotic arm with goal to design a device which is able to print larger objects in size compared to conventional 3D printer. Expand
  • 9
Manufacturing Technology of Composite Materials—Principles of Modification of Polymer Composite Materials Technology Based on Polytetrafluoroethylene
The results of the investigations into the technological formation of new wear-resistant polymer composites based on polytetrafluoroethylene (PTFE) filled with disperse synthetic and natural… Expand
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