Effects of Drill Vibrations on Cutting Forces and Torque

Rincon, Diana M.; Ulsoy, A. Galip; Kaftanoğlu, Bilgin

doi:10.1016/s0007-8506(07)62164-7

Cited by 25 publications

(4 citation statements)

References 21 publications

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“…Boston and Gilbert [25] examined the forces on a drill, end-load and torque, depend on cutting conditions. Then, many authors [26][27][28] have subsequently investigated how forces depend on drill geometry. A general conclusion is that end-load largely depends on the chisel edge, while most of the torque contribution comes from the cutting action of the two main cutting edges.…”

Section: Tool Materials and Geometricsmentioning

confidence: 99%

A Review on Drilling Printed Circuit Boards

Zheng

Wang

Yue

et al. 2011

AMR

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Drilling is a particularly complicated machining process, and it becomes much more complicated when the workpiece is printed circuit boards (PCBs). PCB is composite materials with anisotropy. Even a small defect in PCB may cause great losses. Both the drilling process and PCB structure design have been researched by many scholars. But the investigations into the drilling processes of PCB are not systematic. The present review article address the report about tool materials and geometrics, cutting force, cutting temperature, radial run-out and damages occurring in drilling processes. And as a conclusion, some of these critical issues are proposed to meet the challenges in analysis and optimization for PCB drilling.

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Section: Tool Materials and Geometricsmentioning

confidence: 99%

A Review on Drilling Printed Circuit Boards

Zheng

Wang

Yue

et al. 2011

AMR

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“…Furness et al presented the statistical analysis of hole quality features found feed and speed have a small effect [11]. Rincon and Ulsoy [12] exposed that the variations in the relative motion of the drill ensure affect the dissimilarities of the forces. An increase in the drill motion results in an increase in the torque and thrust.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Drilling Parameters on Alkaline Treated Jute fiber Sandwich Material

Sathish¹,

Suresh²,

Nagamadhu³

et al. 2019

IJRTE

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Abstract: The present work efforts to determine CNC drilling performance and optimization of drilling parameters during drilling of treated JFRPPU-foam sandwich structures. In this drilling operation the ensuing process performance structures viz thrust, torque and delamination factor for entry and exit hole have been recognized. The effort has been made to regulate the optimal drilling parameters set. Taguchi method employed for design of experiment. The effects of parameters process such as composite geometry type, feed rate, drill speed, and drill size varied each at three different levels. In this experimentation sandwich structures L27 orthogonal array is used. A nonlinear regression model is measured and formulates the function based on the drilling parameters and fitness function. The result shows the minimization thrust force, delamination of hole drill diameter and feed rate more effect than the speed. TAN coated carbide twist drilled hole gives the result more percentage to reduce the hole wall delamination.

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“…An increase in the ranges of drill motion results in an increase in the ranges of torque and thrust. They suggested that drill vibrations can have an effect on drilling performance because increasing vibration during entry can cause poor hole location accuracy and burr formulation [20]. Experimental study investigated the influence of cutting speed, temperature, feed rate, geometrical parameters on hole quality while drilling aluminium alloy AA2024.…”

Section: Introductionmentioning

confidence: 99%

Burr height and hole diameter error minimization in drilling of AL6063/15%/SiC composites using HSS step drills

Kamboj¹,

Kumar²,

Singh

2015

J Mech Sci Technol

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In drilling process, burr plays an important role on the quality parts. It is necessary to minimize the burr height. This paper presents the effect of CNC drilling process parameters like cutting speed, feed rate, step angle and cutting environment on burr height and hole diameter error of Al6063/15%/SiC composites. The composites are fabricated using mechanical stir casting. An experimental study on composites was conducted using three HSS drills. The Taguchi design of experiments and analysis of variance (ANOVA) are used to optimize the response for Al6063/15%/SiC composites. The results revealed that the quality of the holes can be improved by proper selection of cutting process parameters. SEM analysis and XRD analysis are also carried for composite, drilled surface and drill bits. These analysis provide the good agreement with the effect of cutting parameters on burr height and hole diameter error.

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Effects of Drill Vibrations on Cutting Forces and Torque

Cited by 25 publications

References 21 publications

A Review on Drilling Printed Circuit Boards

A Review on Drilling Printed Circuit Boards

Optimization of Drilling Parameters on Alkaline Treated Jute fiber Sandwich Material

Burr height and hole diameter error minimization in drilling of AL6063/15%/SiC composites using HSS step drills

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