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Showing 1 to 20 of 24 for “"Cutting Parameters"”.
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Relationship between cutting parameters and bit geometry in rotary cutting
… was to investigate the relationship between cutting parameters (cutting force, penetration force, specific energy, specific respirable dust) and the bit geometry parameters (angle of the bit tip, bit tip size and shape of the bit) in order to reduce the amount of specific respirable dust …
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ANALYSIS AND OPTIMIZATION OF LASER CUTTING PROCESS FOR STRUCTURAL STEELS
Laser cutting is a widely used technology for precision cutting of various materials, in-cluding mild structural steel. It involves the use of a high-powered laser beam to melt, burn, or vaporize the material, resulting in a clean and accurate cut. This doctoral thesis presents a comprehensive …
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Machinability Study on Silicon Carbide Particle-Reinforced Aluminum Alloy Composite with CVD Diamond Coated Tools
… carbide particles (AlSiC) require special cutting tools due to the high hardness and abrasive properties of the ceramic particles. Diamond coated cutting tools are ideal for machining this type of pMMC. Previous research studies focus on the machinability of pMMCs with low ceramic content. …
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Vibration assisted machining: Modelling, simulation, optimization, control and applications
… chosen to perform this study. The effects of cutting parameters are evaluated and the optimal cutting conditions are determined. The interaction of cutting parameters is established to illustrate the intrinsic relationship between cutting parameters and surface roughness, tool wear and …
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Comparing the Feasibility of Cutting Thin-Walled Sections from Five Commonly Used Metals Utilizing Wire Electric Discharge Machining
… to observe and analyze the differences in cutting capabilities for a conventional wire-EDM machine when cutting thin-walled sections from five commonly used metals utilizing a variation of roughing and finishing passes. The five metals that were used in this study are: Aluminum 6061 T6, …
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Machine system energy requirements and yield sensing for biomass harvesting
… to operate more efficiently. Previous work on cutting parameters for harvesting miscanthus concluded that the energy requirement could be reduced by changing blade oblique angles and varying cutting speeds. A single disk cutter system was evaluated for use in determining the cutting parameters …
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Machinability enhancement of non-leaded free cutting steels
For decades free cutting steels have been alloyed with lead in order to improve machinability. Enhanced machinability is characterised by low tool wear, short breaking chips, high surface quality and low cutting forces. Although the lead content in steels is comparably low, leaded steels are under …
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ΠΡΟΣΟΜΟΙΩΣΗ ΕΞΕΛΙΞΗΣ ΑΥΤΟΔΙΕΓΕΙΡΟΜΕΝΩΝ ΤΑΛΑΝΤΩΣΕΩΝ ΚΑΤΑ ΤΗΝ ΤΟΡΝΕΥΣΗ ΚΑΙ ΤΟ ΦΡΑΙΖΑΡΙΣΜΑ ΜΕ ΣΚΟΠΟ ΤΟΝ ΠΡΟΣΔΙΟΡΙΣΜΟ ΔΥΝΑΜΙΚΑ ΕΥΣΤΑΘΩΝ ΣΥΝ...
… SYSTEM MACHINE TOOL-TOOL WORKPIECE IN THE CUTTING REGION, AS WELL AS THE EXPERIMENTAL DETERMINATION OF CONSTANTS THAT ARE INTRODUCED TO THE USED CUTTING FORCE ANALYTICAL EXPRESSION. BY CALCULATING THE WEIGHT FUNCTIONS FROM THE MEASURED TRANSFER FUNCTIONS AND BY FADING THE MODEL WITH VALUES …
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Experimental and finite element modelling of ultrasonic cutting of food
In recent years ultrasonic cutting has become an established technology in a variety of industries including the food processing industry to cut a variety of materials. An ultrasonic cutting system consists of a generator, transducer and either a single or multiple blade cutting devices tuned to a …
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Fabrication of high-quality microflexures using micromilling techniques
… its inherent process and material flexibility. Cutting forces were approximated (and verified using FEM and previously-measured results) in order to select cutting parameters that would avoid tool failure and ensure workpiece integrity. Several HexFlex devices were successfully micromilled from …
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Effects of bit geometry in multiple bit-rock interaction
… impact of bit-coal/rock interaction during the cutting process in underground mines is great concern to the mining community of the world. Rock/coal cutting bears directly on rock/coal dust generation that causes "black lung/silicosis" in miners. On the other hand, rock cutting generates …
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Application of thin film PRTD's for the monitoring of cutting tool temperature during turning
… and maximize tool life. Several of the cutting tool failure modes are cutting temperature-dependent. One of the cutting parameters to be monitored is the cutting temperature. On-line cutting tool temperature monitoring has been addressed with a variety of techniques, from work-tool …
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Fabrication and characterization of conducting polymer microwires
… testing was conducted to determine the optimal cutting parameters for producing long, fine wires with cleanly cut edges. This versatile fabrication process has been used to produce free-standing microwires with cross-sections of 2 [micro]m x 3 [micro]m, 20 [micro]m x 20 [micro]m, and 100 …
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Force Feedback Control of Tool Deflection in Miniature Ball End Milling.
… Accuracy depended on the tool force model, its cutting parameters, and workpiece alignment and dimensional accuracy. Real-time force feedback has the potential to further improve the accuracy of profiles created during machining. This paper demonstrates that force feedback can be used to predict …
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SUSTAINABLE FACE MILLING OF INCONEL 718 USING MQL AND NANOFLUIDS MQL WITH VEGETABLE OIL AS BASE FLUID
… industries leading to poor machinability (high cutting forces, rapid tool wear, shorter tool life, and poor surface integrity). Conventional flood coolant (CEC) used in industry is environmentally unfriendly, hazardous to operators, and unsustainable. These problems motivated this research, …
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Zerspanung warmkompaktierter Sinterstähle im Grün- und Sinterzustand
… drilling, tapping, and turning in interrupted cutting. The criterion for successful green machining is the product quality. The aim of the investigations is the optimisation of the cutting processes by variation of the cutting parameters and the tools. The optimum product quality which can be …
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An experimental and theoretical investigation of the reaming operation
… in a reaming operation. Thrust force and cutting torque which both are constant during a reaming operation are generated as the result of material removal by the chamfer of the reamer. The chamfer section of the reamer removes material from an initially drilled hole to bring the hole to …
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The generation mechanisms of acoustic emission in metal cutting
… (AE), detected during the course of metal cutting, since, although quite a lot of research effort has been put into the use of AE to monitor metal cutting condition, the mechanism by which AE is generated is still not fully understood. <br/><br/>If chip generation is continuous, without …
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An integrated framework for developing generic modular reconfigurable platforms for micro manufacturing and its implementation
… analysis in Matlab. A number of different cutting parameters can be studied and the machining performance can be subsequently evaluated using this module. The mathematical models for a non-traditional micro manufacturing process, micro EDM, have been developed with the simulation performed …
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Development of a Closed Loop Control System for Vibratory Milling
… in car and aircraft production, but also for cutting tools. Vibration is used in various technological processes to improve the performance of the machines by intelligently exploiting the synergy of the oscillations. Vibration provides several benefits for various technologies, such as …
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