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Surface finish of titanium in machining with coated-carbide insert / Tan Choong Kwang

By:

Tan, Choong Kwang

Material type: Text

TextPublication details: Kuantan, Pahang : UMP, 2009Description: xiv, 57 p. : ill. (some col.) ; 30 cm. + 1 computer discISBN:

THE0005788(Local)

Other title:

Surface finish of titanium in machining with coated-carbide insert [electronic resource]

Subject(s):

Dissertation note: Project paper (Bachelor of Mechanical Engineering with Manufacturing Engineering) -- Universiti Malaysia Pahang - 2009 Abstract: Titanium and its alloy are widely used in various industries owing to its low mass, high strength and excellent toughness. In machining operation, roughness of a titanium surface influences a wide variety of its physical properties. Therefore, it is necessary to produce surfaces with roughness that fall within specified limits and which are of a certain type. In the present work, surface finish of titanium in turning with titanium aluminium nitride (TiAlN) coated insert has been investigated using three different parameters, namely cutting length, cutting speed and feed rate. Machining of titanium was carried out on a Computer Numerically Controlled (CNC) turning center. The experiments were designed in STATISTICA software in order to minimize experimental errors. 33 full factorial design was chosen for experimental design. Experimental outcomes were analyzed in STATISTICA. The surface roughness and tool sharpness were measured using perthometer. The statistical analysis revealed that feed rate and cutting length are two significant parameters that affect the surface roughness of titanium during turning. Overall, it was found that using a low feed rate and short cutting length always provides good surface roughness. The trends of surface roughness became inconsistent with increasing feed rate and cutting length. It is also important to note as a secondary factor cutting speed at higher value usually led to poor surface quality. Lastly, a higher rating index of tool sharpness also causes a deterioration of the surface quality of titanium.

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Holdings ( 2 )
Title notes ( 3 )

Holdings
Item type	Current library	Call number	Copy number	Status	Date due	Barcode
Final Year Report	UMPLIB PEKAN	TA418.7 .T36 2009 rs Bc. (Browse shelf(Opens below))	1	Not for loan		0000044353
Final Year Report	UMPLIB PEKAN	CD 4200 \| TA418.7 .T36 2009 rs Bc. (Browse shelf(Opens below))	1	Not for loan		0000044354

Project paper (Bachelor of Mechanical Engineering with Manufacturing Engineering) -- Universiti Malaysia Pahang - 2009

Bibliography : p. 48-50

Titanium and its alloy are widely used in various industries owing to its low mass, high strength and excellent toughness. In machining operation, roughness of a titanium surface influences a wide variety of its physical properties. Therefore, it is necessary to produce surfaces with roughness that fall within specified limits and which are of a certain type. In the present work, surface finish of titanium in turning with titanium aluminium nitride (TiAlN) coated insert has been investigated using three different parameters, namely cutting length, cutting speed and feed rate. Machining of titanium was carried out on a Computer Numerically Controlled (CNC) turning center. The experiments were designed in STATISTICA software in order to minimize experimental errors. 33 full factorial design was chosen for experimental design. Experimental outcomes were analyzed in STATISTICA. The surface roughness and tool sharpness were measured using perthometer. The statistical analysis revealed that feed rate and cutting length are two significant parameters that affect the surface roughness of titanium during turning. Overall, it was found that using a low feed rate and short cutting length always provides good surface roughness. The trends of surface roughness became inconsistent with increasing feed rate and cutting length. It is also important to note as a secondary factor cutting speed at higher value usually led to poor surface quality. Lastly, a higher rating index of tool sharpness also causes a deterioration of the surface quality of titanium.