Size effects in micro drilling of carbon fiber reinforced plastic composite

Anand, Ravi Shankar; Patra, Karali; Steiner, Markus

doi:10.1007/s11740-014-0526-2

Cited by 51 publications

(17 citation statements)

References 11 publications

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“…Cutting edge radius, therefore, greatly influences the finished product quality and tool life. An increase in cutting edge radius lead to the size effects come into play [191,192]. to attain optimal performance during micro drilling [174].…”

Section: Cutting Edge Radiusmentioning

confidence: 99%

A review of modern advancements in micro drilling techniques

Hasan

Zhao

Jiang

2017

Journal of Manufacturing Processes

164

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The demand for micro drilling with a diameter in a range of a few microns to several hundred microns is increasing in industries such as electronics, aerospace, medicine and automobiles, due to a significant uptake in the use of miniaturised products and devices. In order to satisfy the demand, a number of different micro drilling techniques have been developed. There has been, however, no report which explains, compares and contrasts all of these micro drilling techniques. This study examines the lasts micro drilling methods and techniques, categorises them into different groups, highlights recent developments and new trends, and depicts the future requirements in the field of micro drilling. Both conventional and non-conventional micro drilling techniques used in modern age applications are categorized. Conventional micro drilling makes use of drill bits of different configurations such as twist, spade, D-shaped, single flute, compound drill and coated micro drill, while non-conventional micro drilling involves electrical, chemical, mechanical and thermal means which include laser, EDM, ECM, SACE, electron beam, ultrasonic vibration or combinations of these approaches. We present here, a comparative study of conventional and non-conventional micro drilling techniques in order to show the potential and versatility of various micro drilling methods.

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Section: Cutting Edge Radiusmentioning

confidence: 99%

A review of modern advancements in micro drilling techniques

Hasan

Zhao

Jiang

2017

Journal of Manufacturing Processes

164

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“…This expression serves as start-up for many technological process planning methods e.g. as it is presented by Ko et al [12], Campatelli et al [7], Srinivasa et al [17] and Anand et al [1]. The actual geometry of the chip section can be defined by additional measuring but for predictive models it is more practical to use a theoretical geometry.…”

Section: Definition Of the Specific Cutting Forcementioning

confidence: 99%

Experimental Model for the Main Cutting Force in Face Milling of a High Strength Structural Steel

Bíró

Czampa

Szalay

2015

Period. Polytech. Mech. Eng.

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Machining and more specifically face milling are productive ways of material shaping. Predictive models are very important for effective: quick, easy-to-use and accurate process planning. There are many industrial and scientific researches about modelling the prominent process parameters of machining, notably the machining forces. The main cutting force is one of the most important indicators as it is a primary output parameter of the chip-removing process. The specific cutting force is long time used, traditional type of modelling the main cutting force but still there are missing or difficult-to-find numerical information about the effect of some of the input machining parameters such as cutting speed. In this research, the effects of the theoretical chip-section geometry and the cutting speed were examined through face milling experiments of the S960QL high strength structural steel.

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“…Cutting speed, feed rate and point angle of the drill affect delamination and excessive thrust force and torque can generate heat through friction and cause matrix damage such as softening of the matrix [13][14][15]. The tool geometry, material and type have also been largely researched [5,16,17]. The different characteristics of a drill such as the cutting angle, cutting edge and the tip angle affect the drilling of composite laminates [5].…”

Section: Machining Carbon Fibre Reinforced Polymers (Cfrp)mentioning

confidence: 99%

Metrological study of CFRP drilled holes with x-ray computed tomography

Kourra

Warnett

Attridge

et al. 2015

Int J Adv Manuf Technol

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The popularity of composite materials is continuously growing with new varieties being developed and tested with different machining processes to establish their suitability. Destructive as well as non-destructive methods, such as ultrasonics, X-ray radiography and eddy-current, have previously been used to ensure that the combination of particular machining methods and composites provide the required quality that can allow the required lifespan of the final product. X-ray computed tomography (CT) is applied as a novel method in this paper to obtain quantitative data about the inner and outer structures of carbon fibre reinforced polymer (CFRP) drilled holes providing more information than any other non-contact and non-destructive evaluation. This is combined with precise measurements from optical CMM and image processing for a full analysis for the entire part. This method can provide accurate measurements for all the layers of the CFRP and very little interaction from the operator minimising the human error. The method complies with VDI/VDE 2630 standard and the quality of the acquired measurements is assured. The results can assist in establishing the best machining process, provide accurate measurements of diameter, circularity and positioning of the hole and information about delaminated areas.

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Size effects in micro drilling of carbon fiber reinforced plastic composite

Cited by 51 publications

References 11 publications

A review of modern advancements in micro drilling techniques

A review of modern advancements in micro drilling techniques

Experimental Model for the Main Cutting Force in Face Milling of a High Strength Structural Steel

Metrological study of CFRP drilled holes with x-ray computed tomography

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