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Wear Prediction of Rock Drill Bits Based on Geomechanical Properties of Rocks
The excavation of rock, whether in mining, petroleum, or civil engineering projects, predominantly relies on traditional drilling techniques. Across...
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Contradictory effects of machining conditions on wear in the main cutting zones of the twist drill
The present work is a contribution in order to highlight the contradictory effect of machining conditions on wear evolution in the main cutting zone...
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Drilling force prediction and drill wear monitoring for PCB drilling process based on spindle current signal
In the drilling process of multilayer printed circuit boards (PCB), drill wear will reduce the stability of the drilling process and affect the...
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Feature extraction of the wear state of a deep hole drill tool based on the wavelet fractal dimension of the current signal
Given that wavelet transform and fractal theory reveal the self-similarity characteristics of objects from macro to micro levels, this study proposes...
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Analysis of Critical Wear Phenomena and Stress Induced in WC–Co-Based Twist Drill Bits Used for Drilling Hard Rock
The present work deals with the drilling of granite by using WC–Co cemented carbide-based twist drill bits. Two drill bits were considered in this...
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Cutter Wear in a One-Sided Drill
AbstractThe machining of a deep hole by a gun drill is considered, both theoretically and experimentally. The cutting zone is divided notionally into...
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Tool Wear in the Process of Drill-String Connector Thread Lathe Machining
The oil and gas industry is still the main and largest supplier of energy today. Extraction of hydrocarbons is a complex, science-intensive process...
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A machine vision method for measurement of drill tool wear
As tool wear directly affects the machining quality, tool condition monitoring becomes more and more important in an intelligent manufacturing...
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Development of Image-Based Drill Bit Wear Detection System for Drilling Application
Tool wear monitoring plays a significant role for proper planning and control of machining parameters to maintain the product quality. This is...
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Tool life evaluation of CFRP drilling with three kinds of drill
Serious tool wear in CFRP drilling is one of the key problems to be solved urgently. Firstly, a suitable indirect evaluation index of tool life is...
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Synthesis and characterization of diamond-like carbon coatings for drill bits using plasma-enhanced chemical vapor deposition
This study demonstrates the performance enhancement of drill bits during dry cutting operation of LM6 aluminum alloy and bright mild steel using...
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The Performance and Failure Mechanism of Drill Bit in Granite Formation Drilling
As a new energy resource with great development potential, the exploitation of hot dry rock geothermal resources is increasing around the world....
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Research on chip mechanism of Inconel 718 with ultrasonic assisted drilling by step drill
Nickel-based high-temperature alloys (Inconel 718) are considered to be difficult-to-machine materials with high yield strength and high-temperature...
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Tool wear assessment and life prediction model based on image processing and deep learning
Drilling is one of the most classical machining operations. Real-time monitoring of drill wear can effectively testify whether the product fails to...
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Theoretical and experimental study of tool wear using active backup force for drilling composite materials
The advent of composite materials has allowed for the state-of-the-art fabrication of structural parts with delamination-free holes. These are widely...
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An Investigation into the Effect of Rock Properties on Drill Bit Life
The present research investigates the effect of rock properties on drill bit life prediction. The fieldwork and laboratory work include recording bit...
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Study on composite material drilling with step elliptical sphere-core drill (SESCD)
The increase in environmental awareness, energy saving, and carbon reduction means that demand for advanced materials for high-tech industries is...
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The fabrication of polycrystalline diamond micro drill based on ultrashort pulsed laser
High precision polycrystalline diamond (PCD) micro cutting tools with complex geometrical features which widely used in the field of aerospace,...
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Research on the precision forming cathode design method of electrochemical machining all-metal screw drill stator
In order to shorten the cathode design cycle, reduce design cost and improve forming accuracy for all-metal screw drill stator electrochemical...
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Wear behavior and machining quality of novel high-sharp brazed diamond abrasive core drills during drilling SiCf/SiC composite micro-holes
SiC f /SiC composites have promising applications in aerospace industries. SiC f /SiC composite micro-holes are important components, such as gas film...
