Analysis of the Laser Drilling Process for the Combination with a Single-Lip Deep Hole Drilling Process with Small Diameters

Biermann, Dirk; Heilmann, Markus

doi:10.1016/j.phpro.2011.03.138

Cited by 10 publications

(7 citation statements)

References 2 publications

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“…Many industrial and academic researchers have completed some experimental works of hole making using LD process. For example, Brajdic et al (2008), Biermann and Heilmann (2011), and Teixidor et al (2013) investigated the effects of the laser parameters such as drilling time, laser peak power, pulse intensity, and pulse frequency on the form accuracy and surface quality using stainless steel and tool steel. Quintana et al (2009) and Yilbas et al (2011) investigated hole making on nickel-based alloys and titanium alloys.…”

Section: Form Accuracy Of Cooling Holes By Ldmentioning

confidence: 99%

State-Of-Art, Challenges, and Outlook on Manufacturing of Cooling Holes for Turbine Blades

Wei

Guo

et al. 2015

Machining Science and Technology

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2 A cooling hole is important structure of turbine blades for high-performance aircraft engines. It is very challenging to manufacture cooling holes in superalloys including nickel-based and titanium alloys. This article aims to provide a critical assessment on the major types of machining processes for manufacturing cooling holes. The process mechanism, efficiency, form accuracy, and surface integrity of the state-of-art of four machining processes, i.e., mechanical drilling (MD), electrical discharge drilling (EDD), laser drilling (LD), and electrochemical drilling (ECD) have been thoroughly analyzed and compared in details. The future challenges and future potential research directions for the machining processes are also discussed.

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Section: Form Accuracy Of Cooling Holes By Ldmentioning

confidence: 99%

State-Of-Art, Challenges, and Outlook on Manufacturing of Cooling Holes for Turbine Blades

Wei

Guo

et al. 2015

Machining Science and Technology

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“…Technische Universität Dortmund developed a drilling system, which combines laser pre-drilling and single-lip deep hole drilling to shorten the process chain and reduce tool wear. 64 Sequential laser and mechanical drilling was reported to enhance tool life by approximately 250%. 65 Sequential laser and EDM micro-drilling, was reported to reduce the drilling time by 70% and the cost by 42%, as well as to increase the production capacity by 90%.…”

Section: Subtractive/subtractivementioning

confidence: 99%

Hybrid manufacturing in micro/nano scale: A Review

Chu

Kim

Lee

et al. 2014

Int. J. of Precis. Eng. and Manuf.-Green Tech.

153

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In this paper, a total of 57 micro and nano scale hybrid manufacturing processes are reviewed. These processes are categorized in terms of process timing and process type. Process timing is one of the most important aspects of manufacturing, and three different process schemes -concurrent, main/assistive (M/S) separate, and main/main (M/M) separate -are considered. The process type is categorized as either geometrically additive or subtractive, and all hybrid processes are categorized into combinations of additive, subtractive, and assistive process. Features and advantages are described for each of these classifications. Machining is found to be the most common process for both micro and nano-scale hybrid manufacturing. Of micro scale hybrid manufacturing schemes, 74.4% use assistive processes as a secondary process because the main purpose of most micro scale hybrid manufacturing is to improve the quality of the process. In nano scale manufacturing, 61.5% of hybrid manufacturing schemes employ assistive processes, since these processes typically focus on the fabrication of parts that are difficult to fabricate using a single, existing process. Based on a summary of published work, future trends in hybrid manufacturing at the micro and nano scale are suggested.

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“…Similarly, Biermann and Heilmann (2011) used a laser to pre-drill a pilot hole, followed by single-lip deep hole mechanical drilling on non-planar surfaces.…”

Section: Mechanical Machining and Laser Cuttingmentioning

confidence: 99%

“…laser cutting and ECM (Zhang et al, 2009a)) or in series (e.g. sequential laser drilling and mechanical drilling (Biermann and Heilmann, 2011)). It is noted that hybrid subtractive processes are applied in not only the conventional machining scenarios, but also in other application areas e.g.…”

Section: Hybrid Subtractive Manufacturing Processesmentioning

confidence: 99%

A review of hybrid manufacturing processes – state of the art and future perspectives

Zhu

Dhokia

Nassehi

et al. 2013

International Journal of Computer Integrated Manufacturing

245

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Today, hybrid manufacturing technology has drawn significant interests from both academia and industry due to the capability to make products in a more efficient and productive way. Although there is no specific consensus on the definition of the term 'hybrid processes', researchers have explored a number of approaches to combine different manufacturing processes with the similar objectives of improving surface integrity, increasing material removal rate, reducing tool wear, reducing production time and extending application areas. Thus, hybrid processes open up new opportunities and applications for manufacturing various components which are not able to be produced economically by processes on their own. This review paper starts with the classification of current manufacturing processes based on processes being defined as additive, subtractive, transformative, joining and dividing. Definitions of hybrid processes from other researchers in the literature are then introduced. The major part of this paper reviews existing hybrid processes reported over the past two decades. Finally, this paper attempts to propose possible definitions of hybrid processes along with the authors' classification, followed by discussion of their developments, limitations and future research needs.

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Analysis of the Laser Drilling Process for the Combination with a Single-Lip Deep Hole Drilling Process with Small Diameters

Cited by 10 publications

References 2 publications

State-Of-Art, Challenges, and Outlook on Manufacturing of Cooling Holes for Turbine Blades

State-Of-Art, Challenges, and Outlook on Manufacturing of Cooling Holes for Turbine Blades

Hybrid manufacturing in micro/nano scale: A Review

A review of hybrid manufacturing processes – state of the art and future perspectives

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