This paper is related to application-specific device, a prototype of a robotic arm with three degrees of freedom of movement. The paper deals with the creation of virtual and physical 3D model using CAD software and 3D printer resources, as well as using Arduino based embedded system for local control of the robotic arm.
This paper is related to application-specific device, a prototype of a conveyor belt for sorting the packets by the size in bins and tracking the number of bins. The paper deals with the creation of physical model, using Arduino based embedded system for local control.
This paper is related to application-specific device, a prototype of a conveyor belt for sorting the packets by the size in bins and tracking the number of bins. The paper deals with the creation of physical model, using Arduino based embedded system for local control
In order to decrease the measuring cycle time on the coordinate measuring machine (CMM) a robot workstation for the positioning of measuring objects was created. The application of a simple 5-axis industrial robot enables the positioning of the objects within the working space of CMM and measuring of different surfaces on the same object without human intervention. In this article an upgrade of an existing robot workstation through different design measures is shown. The main goal of this upgrade is to improve the measuring accuracy of the complex robot-CMM system.
ABSTRACT The process of forward cold flow forming is a specific procedure of material processing which is used for forming of different rotationally symmetric parts from cylindrical workpieces placed between the pin and roll in the military, aeronautical, nuclear and other industries. Under the pressure of the rolls (two or three rolls) material is brought to the state of plastic flow and extruded in the axial direction, what results in the reduction of the diameter and increase of the length of workpiece. The deformation of workpiece causes the increase of the heat during the processing. In this paper, the temperature analysis of tubular workpieces Al 99.5 during the processing by cold flow forming is shown. The numerical simulation of the process was carried out using simufact.forming GP 11.0 software. In the next step the results of numerical simulations were experimentally verified by measuring the temperature of heated workpieces during the forming with the help of contactless thermal imaging methods (Thermo-camera Fluke Thermography Series These 32).
Three dimensional measurement of complex geometry with Coordinate measuring machines (CMMs) requires multiple clamping and fixturing of measured object. In order to speed-up this process and to reduce the number of fixturing operations, a robotic arm can be used to manipulate the measured object. This paper describes measurement uncertainty analysis of an improved complex measurement system consisting of robotic arm and the coordinate measuring machine.
Coordinate measuring machines (CMMs) are widely used to check dimensions of manufactured parts, especially in the automotive industry. The major obstacles in automation of these measurements are fixturing and clamping assemblies, which are required in order to position the measured object within the CMM. This paper describes how an industrial robot can be used to manipulate the measured object within the CMM work space, in order to enable automation of complex geometry measurement.
Coordinate measuring machines (CMMs) are widely used to check dimensions of manufactured parts, especially in the automotive industry. The major obstacles in automation of these measurements are fixturing and clamping assemblies, which are required in order to position the measured object within the CMM. This paper describes how an industrial robot can be used to manipulate the measured object within the CMM work space, in order to enable automation of complex geometry measurement.
Industrial robots are introduced to belt grinding processes of free-formed surface with elastic wheel nowadays in order to obtain high quality product and high efficiency. However, it is a laborious task to plan grinding paths and write programs for the robot. To release people from it partially, it is necessary to simulate the belt grinding processes which are useful for path generating and dynamic robot control. In this paper, we present a framework of the robot controlled belt grinding simulation system and some key issues in it. We enhance the global removal model to local process model, which can simulate the grinding process more exactly. We also point out the bottleneck of the real-time simulation and put forward a neural network based regression method to meet this difficulty. At the end of the paper, some simple simulation examples are given.
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