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Electric rock drill vibration cause analysis


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Rock Drills used in South African Mines: a Comparative Study of

Objectives: To compare the noise and vibration levels associated with three hand-held rock drills (pneumatic, hydraulic and electric) currently used in South African mines, and a prototype

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A smart look at monitoring while drilling (MWD) and optimizing

Monitoring while drilling (MWD) is a crucial task in mining operations. Accurately measuring drill and rock-related operating parameters can significantly reduce the cost of

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A review of vibration analysis and its applications

A predictive maintenance uses data analysis tools and techniques to detect possible failures in advance. Among various predictive maintenance methods, vibration

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Rock breaking mechanism in percussive drilling with

High-frequency torsional vibration percussive drilling is considered a promising approach to improve drilling performance in deep hard formations,

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Blasting vibration assessment of rock slopes and a case study

Abstract The most common types of blasting damage are caused by ground vibration. The sudden acceleration of the rock by the detonation energy acting on the drill hole generates an

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Drill-String Vibration Analysis Based on Rock Strength Fuzzy

This article proposes an analysis method for coupled axial-torsional drill-string vibration based on fuzzy comprehensive evaluation of rock strength, utilizing identified axial and torsional bit–rock

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A New Test Bench System for Hammer Drills:

Drilling into concrete with hammer and rock drills is a physically demanding task associated with exposure to hand vibration, noise, silica dust and high hand

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Rock Drills used in South African Mines: a

Objectives: To compare the noise and vibration levels associated with three hand-held rock drills (pneumatic, hydraulic and electric) currently used in South

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Performance analysis of rotary blast-hole drills through machine

However, very few have focused on drilling performance considering vibration and drill cuttings analysis along with machine operating parameters. Richard et al. (2004) and

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Research on Formation Identification Based on Drilling Shock and

The sensing system (SS) is mainly used to monitor the physical parameters of the borehole through sensors installed on the console or drill stand. These sensors include displacement

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Research and Analysis of Drilling String Vibration Signals

Drilling tools are the main components of the drilling system, including drill bits and drill rods. During the drilling process, due to the collision between the drill bit and different formations,

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A review of vibration analysis and its applications

In this paper, vibration analysis fundamentals as well as many studies on the method''s application are reviewed. The purpose is to give an overview of how vibration analysis is used in many

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Comparison of vibration impact of an impact drill on

A comparison of predicted and observed latencies for vibration-induced white finger in population groups whose members operate this rock

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Numerical Investigation of the Nonlinear Drill String

This paper presents a comprehensive analysis of the influence of rotary table velocity, weight-on-bit, and viscous damping on the drill string

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An Overview on the Modeling of Oilwell Drilling Vibrations

In drilling operations, the drillstring interaction with the borehole gives rise to a wide variety of undesired oscillations. The main types of drilling vibrations are torsional (stick- slip),

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Electric Rock Drills: Performance, Safety, and Sustainability

Cost Analysis Cost analysis is a critical component in the evaluation of electric rock drills. Understanding the financial implications ensures that stakeholders make informed decisions

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A torsional-axial vibration analysis of drill string endowed with

Abstract In this paper, a lumped mass model is proposed to investigate the torsional-axial vibration behavior of drill string. This model exclusively involves two statuses of

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Detecting and preventing vibrations in drilling systems

In the research project, teams of scientists are systematically investigating the vibration behaviour of drill string components using a laboratory method in order to determine

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Ground vibration generated by hydraulic rock breakers and its

A detailed impact analysis on the effects of non-explosive chemicals and hydraulic rock breakers at a graphite mine in India close to an irrigation dam was carried out in this

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Pneumatic rock drill vs. electric rotary hammer drill: Productivity

Request PDF | Pneumatic rock drill vs. electric rotary hammer drill: Productivity, vibration, dust, and noise when drilling into concrete | Objectives Both pneumatic rock drills

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Analysis of Causes of Vibration Differences Induced by Different

The vibration characteristics induced by different kinds of blastholes, such as presplitting blastholes, smooth blastholes, and production blastholes, are quite different.

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Fault Diagnosis of Electric Impact Drills Based on Time-Varying

This paper provides the results of an acoustic analysis of electric impact drills. The results had a good recognition rate and the total accuracy of recognition of EIDs based on the

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Sound Analysis in Drilling, Frequency and Time Domains

Drilling as the main method to make holes can be categorized into deep-hole and short-hole drilling. The main types of drills to make short holes are exchangeable tip, solid carbide and

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The state-of-the-art review on the drill pipe vibration

Drill pipe vibration is a common mechanical phenomenon in drilling process affecting drilling efficiency and safety. Drill pipe vibration is one of critical factors the analysis,

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VIBRATION ANALYSIS OF DRILLING OPERATION

Abstract Vibrations are produced during any machining process. For drilling operation, analysis of these vibrations plays an important role in order to predict phenomenon of ''chatter''. This paper

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New electric rotary drills cut dust, noise and vibration without

Overview During structural upgrades, construction workers must drill large holes in concrete to insert rebar dowels, a physically demanding task exposing workers to high levels of hand

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Hand-Arm Vibration Exposure in Rock Drill Workers: A

In addition to employers and labor inspection au-thorities assessing compliance with EAVs and ELVs to protect workers at the workplace, the procedures in the ISO-standards are also

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A new test bench system for hammer drills: Validation for handle vibration

Drilling into concrete with hammer and rock drills is a physically demanding task associated with exposure to hand vibration, noise, silica dust and high hand and arm forces.

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Drill Bit Deformations in Rotary Drilling Systems under Large

The objective of this study is to analyze the drill bit deformations caused by the stick-slip vibration phenomenon which is characterized by high-frequency high-amplitude in rotary drilling

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Measurement and Analysis of Downhole Drill String

Downhole drill string vibration data can provide an effective reference for research drill string vibration during drilling. In this paper, the

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Improvements in Root-Cause Analysis of Drillstring Vibration

The main challenges faced during drilling include performing rapid analyses to determine the root cause of the vibration, clear identification of the active mechanism, and

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Monitoring of drill bit wear using sound and vibration signals

In this work, an experimental study of the rock drilling process was performed on 30 different rock samples, and sound and vibration signals were collected during the drilling process.

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The Application of Downhole Vibration Factor in

In the challenging downhole environment, drilling tools are normally subject to high temperature, severe vibration and other harsh

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Failure analysis of drillstring in petroleum industry: A review

a b s t r a c t Understanding the failure analysis of drillstring and its components i.e., drill collar and drilling bit is one of the essential issues in the oil and gas industry for the high cost of oil

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Hand-Arm Vibration Exposure in Rock Drill Workers: A

The purpose of this study was to use a new test bench system to measure productivity, respirable silica dust, noise, and handle vibration for a pneumatic rock drill and an electric rotary hammer

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Dynamic Analysis of Percussion Drilling System under

As a new efficient rock-breaking technology, harmonic impact drilling technology has received great attention, but the research on its rock-breaking mechanism

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Handle transmitted vibration of electrical demolition hammers

Rempel D, Antonucci A, Barr A, et al. Pneumatic rock drill vs. electric rotary hammer drill: productivity, vibration, dust, and noise when drilling into concrete.

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Analysis of Drill String''s Vibration Characteristics Based

Purpose Drill string is the core component in drilling engineering, and studying drill string vibration is significant to reduce drilling costs and increase drilling efficiency. Methods

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A comprehensive study on vibration control and evaluation of drill

Vibration in any mechanical machine is normal due to moving and rotating parts, and thus causes wear and tear of the drill string. This is one of the leading reasons for

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(PDF) Experimental analysis of drillstring vibrations

This is a review on models for dynamic analyses of various drilling systems suitable for application in oil and gas industry. The rotary and also

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Rock breaking mechanism in percussive drilling with the effect of

High-frequency torsional vibration percussive drilling is considered a promising approach to improve drilling performance in deep hard formations, so studying its rock

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Fault Diagnosis of Electric Impact Drills Based on

This paper provides the results of an acoustic analysis of electric impact drills. The results had a good recognition rate and the total accuracy of

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Analysis of vibration signals near ground surface during blasting

This study aims to analyze the vibration signals near the ground surface due to the underneath drilling and blasting activities in a fissured rock tunnel. Blasting induced vibration

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The state-of-the-art review on the drill pipe vibration

Drill pipe vibration is one of critical factors the analysis, control, and optimization design of drilling process, especially for deep and ultra-deep wells. This paper summarized the

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About Electric rock drill vibration cause analysis

About Electric rock drill vibration cause analysis

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