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RISModeling of Tool Forces for Worn Tools: Flank Wear Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A general procedure for the separation of ploughing forces from shearing forces on the shear plane is outlined. The first part of the paper deals with the experimental separation of these ...
Control of Chips in the Turning of 4150 by Using an Obstruction Type Chip Breaker
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper provides the optimal ratio of feed to the chip breaker location in the machining of 4150 steel when using an obstruction type chip breaker. The objective was to generate properly ...
Control of Cutting Force for End Milling Processes Using an Extended Model Reference Adaptive Control Scheme
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work an extended Model Reference Adaptive Control (MRAC) technique is used to control the cutting force of an end milling process. The technique incorporates Zero Phase Error Tracking ...
Stability Analysis in Face Milling Operations, Part 2: Experimental Validation and Influencing Factors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents rigorous experimental validation results of the stability algorithm as developed in the Part I. The two experiments which will be presented here focus on; first, a workpiece ...
Investigation on Cutting Temperature in Turning by a Tool-Work Thermocouple Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tool-chip interface temperature is analyzed experimentally during turning of 4140 steel alloy and Inconel 718 with tungsten carbide tools using a tool-work thermocouple technique. The experimental ...
Stability Analysis in Face Milling Operations, Part 1: Theory of Stability Lobe Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper involves development of an algorithm to predict stability lobes in face milling operation. The modeling is based on frequency domain analysis and is an extension of Budak and Altintas ...
Experimental Complex Modal Analysis of Machine Tool Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite the well-established theories and considerable experimental research, the identification of the complex mode shapes of a real machine tool structure with general damping still remains a ...
An Integrated Approach Toward the Dynamic Analysis of High-Speed Spindles: Part I—System Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental evidence (Shin, 1992) has shown that the natural frequencies of high-speed spindles with angular contact ball bearings decrease with increasing rotational speed. A recent study (Wang ...
In-Process Monitoring of Surface Roughness Utilizing Ultrasound
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the capability of an ultrasonic system for the in-process surface roughness measurement of machined parts. The system uses a focused ultrasonic transducer to measure the ...
Surface Roughness Measurement by Ultrasonic Sensing for In-Process Monitoring
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new surface roughness measurement technique suitable for in-process monitoring in production machining processes. The technique is based on the utilization of focused ultrasonic ...