Experimental Investigations on Machining Micro Alloy Steel (MAS 38MnSiVS5) Using K 20 Multi Coated Carbide Insert

2014 ◽  
Vol 591 ◽  
pp. 15-18
Author(s):  
Subramani Muniraj ◽  
Nambi Muthukrishnan
Keyword(s):  
Alloy Steel ◽  
Surface Finish ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Experimental Investigations ◽  
Good Surface ◽  
Good Surface Finish ◽  
Coated Carbide ◽  
Carbide Insert ◽  
Spindle Power

An experimental investigation is carried out on machining Micro Alloy Steel (MAS). The cylindrical rods of diameter 60 mm and length 250 mm is machined using the medium duty lathe of 2 kW spindle power to study the machinability issues of MAS using K20 multi coated (TiN-TiCN-Al203-ZrCN) Carbide insert. The optimum cutting parameters have been identified by power consumed by main spindle, and average surface roughness of machined component. Results show at higher cutting speeds; good surface finish is obtained. It is concluded that, surface finish is directly proportionate to the cutting speed. Results provide some useful information.

Cylindrical Concentricity and Coaxiality Optimization for Boring Process by Using Taguchi Method

2020 ◽  
Vol 17 (2) ◽  
pp. 707-714
Author(s):  
Allina Abdullah ◽  
B. M. Khirulrizwan ◽  
Afiqah Azman
Keyword(s):  
Taguchi Method ◽  
Surface Finish ◽  
Optimum Parameter ◽  
Cutting Parameters ◽  
Numerical Control ◽  
Machining Process ◽  
Good Surface ◽  
Lathe Machine ◽  
Good Surface Finish ◽  
Coated Carbide

Machining is the process where the material on the surface of the workpiece is being removed through application of force and relative moment. Machining process involves a lot of process parameters. The utmost important thing in machining process is to achieve accurate dimensions and good surface finish where its lead to produce the high-quality product. A good surface finish is one of the factors that greatly influence manufacturing cost and also describes the geometry of the machined surface combine with the surface texture. This experimental research has been conducted in order to determine the optimum parameter involved that could affect the Concentricity and Coaxiality value by using Taguchi Method. To select the cutting parameters properly, the researcher collects the previous study to select the cutting parameters involving in Boring Operation of Computer Numerical Control (CNC) Lathe machine. Based on the collected previous study, it is shown that best cutting parameters used for the boring process are cutting speed, feed rate and depth of cut and using these cutting parameters as the controllable factor in this experiment. The researcher also uses the different type of materials which are Aluminum Alloy 6061, Mild Steel and Carbon Steel. This experiment also used only one type of cutting tools which is cemented coated carbide. Taguchi Method approach has been used to achieve the best-intended models and analyze the optimum parameter for the boring process by measure its concentricity and coaxiality of the workpiece. There are 9 workpieces been run in Conventional Lathe machine after been designed from the Computer-Aided Design (CAD). Analysis of Variance (ANOVA) and main effect plot been analyzed to find out the significant factor that affects the concentricity and coaxiality.

The Effects of Cutting Parameters on Work-Hardening of Milling Invar 36

2015 ◽  
Vol 1089 ◽  
pp. 373-376
Author(s):  
Xing Wei Zheng ◽  
Guo Fu Ying ◽  
Yan Chen ◽  
Yu Can Fu
Keyword(s):  
Work Hardening ◽  
Lattice Distortion ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Depth Of Cut ◽  
Metallographic Structure ◽  
Metallographic Observation ◽  
Coated Carbide ◽  
Carbide Insert ◽  
Axial Depth

An experiment of face milling of Invar36 was conducted by using coated carbide insert, the microhardness was tested and the metallographic structure was observed to figure out the principles of work-hardening. The results showed that the depth of work-hardening ranges from 80μm to 160μm among the parameters selected in the experiments. The degree and the depth of work-hardening were significantly affected by the axial depth of cut and feed per tooth. The degree and the depth of work-hardening showed a tendency to increase with the increase of the axial depth of cut and feed per tooth. Compared with the axial depth of cut and feed per tooth, cutting speed had less influence on the degree and depth of work-hardening. The degree and depth of work- hardening decreased slowly with the increase of cutting speed. Metallographic observation showed that work-hardening layer consisted of the thermal force influenced layer and the force influenced layer, while the amorphous metallographic structure was observed in the thermal force influenced layer, and lattice distortion was observed in the force influenced layer.

scholarly journals A Novel Approach to Enhance Performance of Multilayer Coated Carbide Insert in Hard Turning

2015 ◽  
Vol 62 (4) ◽  
pp. 539-552
Author(s):  
Suha K. Shihab ◽  
Zahid A. Khan ◽  
Arshad Noor Siddiquee ◽  
Noor Zaman Khan
Keyword(s):  
Hard Turning ◽  
Flank Wear ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Cutting Fluid ◽  
Micro Channel ◽  
Novel Approach ◽  
Wet Condition ◽  
Coated Carbide ◽  
Carbide Insert

Abstract Flank wear of multilayer coated carbide (TiN/TiCN/Al2O3/TiN) insert in dry hard turning is studied. Machining under wet condition is also performed and flank wear is measured. A novel micro-channel is devised in the insert to deliver the cutting fluid directly at the tool-chip interface. Lower levels of cutting parameters yield the minimum flank wear which is significantly affected by cutting speed and feed rate. In comparison to dry and wet machining, insert with micro-channel reduces the flank wear by 48.87% and 3.04% respectively. The tool with micro-channel provides saving of about 87.5% in the consumption of volume of cutting fluid and energy.

Comparative Evaluation of Performances of TiAlN-, AlCrN- and AlCrN/TiAlN-Coated Carbide Cutting Tools and Uncoated Carbide Cutting Tools on Turning EN24 Alloy Steel

2017 ◽  
Vol 16 (03) ◽  
pp. 237-261 ◽  
Author(s):  
T. Sampath Kumar ◽  
S. Balasivanandha Prabu ◽  
T. Sorna Kumar
Keyword(s):  
Surface Roughness ◽  
Alloy Steel ◽  
Surface Finish ◽  
Cutting Tool ◽  
Flank Wear ◽  
Cutting Tools ◽  
Cutting Speed ◽  
Depth Of Cut ◽  
Tool Flank Wear ◽  
Coated Carbide

In the present work, the performances of TiAlN-, AlCrN- and AlCrN/TiAlN-coated and uncoated tungsten carbide cutting tool inserts are evaluated from the turning studies conducted on EN24 alloy steel workpiece. The output parameters such as cutting forces, surface roughness and tool wear for TiAlN-, AlCrN- and AlCrN/TiAlN-coated carbide cutting tools are compared with uncoated carbide cutting tools (K10). The design of experiment based on Taguchi’s approach is used to obtain the best turning parameters, namely cutting speed ([Formula: see text]), feed rate ([Formula: see text]) and depth of cut ([Formula: see text]), in order to have a better surface finish and minimum tool flank wear. An orthogonal array (L[Formula: see text] was used to conduct the experiments. The results show that the AlCrN/TiAlN-coated cutting tool provided a much better surface finish and minimum tool flank wear. The minimum tool flank wear and minimum surface roughness were obtained using AlCrN/TiAlN-coated tools, when [Formula: see text][Formula: see text]m/min, [Formula: see text][Formula: see text]mm/rev and [Formula: see text][Formula: see text]mm.

scholarly journals Effect of Some Manfacturing Parameters on Machining of Extruded Al-Al2O3 Composites

2012 ◽  
Vol 2012 ◽  
pp. 1-6 ◽  
Author(s):  
A. Fathy ◽  
M. Abdelhameed ◽  
F. Shehata
Keyword(s):  
Wear Rate ◽  
Surface Finish ◽  
Volume Fraction ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Depth Of Cut ◽  
Machined Surface ◽  
Aluminum Powders ◽  
Wide Range ◽  
Coated Carbide

A wide range of particulate metal matrix composites (PMMCs) of alumina and aluminum powders was formed using powder metallurgy techniques followed by extrusions at various extrusion ratios. The machining characteristics of the extruded PMMC were investigated. Results showed significant effects of weight fractions of reinforcement and extrusion ratios on tool wear and surface integrity of machined surface. The wear rate of cutting tool decreased rapidly with increasing the cutting parameters: cutting speed, feed, and depth of cut, however cutting speed is shown to be more effective. Sudden breakage of tool inserts occurred when the experiment started at high cutting speed. Wear rate has also decreased by decreasing volume fraction of reinforcement particles. Coating carbide tools have significantly improved the tool life. Coated tools showed 5% decrease in flank wear size compared to uncoated tools. This was valid within tested range of weight fractions and extrusion ratios. The surface finish of machined surfaces deteriorated when coated carbide tools were used. However, surface finish did not change significantly when volume fractions or extrusion ratios were altered.

The Influence of Cutting Parameters on the Cutting Forces when Milling Invar36

2014 ◽  
Vol 988 ◽  
pp. 296-299
Author(s):  
Xing Wei Zheng ◽  
Guo Fu Ying ◽  
Jia Lu ◽  
Ni Hong Yang ◽  
Yan Chen ◽  
...  
Keyword(s):  
Experimental Study ◽  
Cutting Force ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Regression Equation ◽  
Depth Of Cut ◽  
Radial Depth ◽  
Coated Carbide ◽  
Carbide Insert ◽  
Axial Depth

An experimental study on milling of Invar36 was conducted by using coated carbide insert to characterize the cutting force. The Taugchi's design of experiment was used for experimentation and the cutting force regression equation was established based on the principles of probability statistics and regression analysis. The results showed that the cutting force was significantly affected by the axial depth of cut and the feed per tooth, and with the increase of the axial depth of cut, the cutting force increased very quickly. Compared with the axial depth of cut, radial depth of cut and cutting speed had less influence on the cutting force. The established regression equation was highly reliable.

An Experimental Study on Machinability of Micro Alloyed Steel with K20 Single Layer (TiN) Coated Carbide Insert

2015 ◽  
Vol 787 ◽  
pp. 465-469
Author(s):  
S. Muniraj ◽  
Nambi Muthukrishnan
Keyword(s):  
Experimental Study ◽  
Surface Finish ◽  
Cutting Speed ◽  
Single Layer ◽  
Alloyed Steel ◽  
Raw Material ◽  
Machining Parameters ◽  
Micro Alloyed Steel ◽  
Coated Carbide ◽  
Carbide Insert

This paper presents the experimental study on machinability of micro alloyed steel. Raw material of chemical composition 38MnSiVS5 of diameter 60 mm and length 250 mm was machined using the medium duty lathe of 2 kW spindle power using K20 PVD single coated (TiN) Carbide insert. The investigation (turning) is carried out with three levels of cutting speed, feed rate and depth of cuts. An average surface roughness(Ra) of machined component and power consumption by the main spindle are measured. The optimum machining parameters have been identified. Results show higher cutting speed influence the good surface finish on this steel. In particular, surface finish is directly proportionate to the cutting speed.

Modeling of Tool Wear in Turning EN 31 Alloy Steel using Coated Carbide Inserts

2012 ◽  
Vol 2 (3) ◽  
pp. 34-51 ◽  
Author(s):  
Davinder Sethi ◽  
Vinod Kumar
Keyword(s):  
Mathematical Model ◽  
Tool Wear ◽  
Alloy Steel ◽  
Flank Wear ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Depth Of Cut ◽  
En 31 ◽  
Coated Carbide ◽  
Carbide Inserts

The experimental investigations of the tool wear in turning of EN 31 alloy steel at different cutting parameters are reported in this paper. Mathematical model has been developed for flank wear using response surface methodology. This mathematical model correlates independent cutting parameters viz. cutting speed, feed rate and depth of cut with dependent parameters of flank wear. This model is capable of estimating the tool wear at different cutting conditions. The central composite design has been used to plan the experiments. Coated carbide inserts have been used for turning EN 31 alloy steel. Results revealed that cutting speed is the most significant factor effecting flank wear, followed by depth of cut and feed rate. Flank wear increases with increase in all the three cutting parameters.

scholarly journals Minimization of Surface Roughness and Tool Vibration in CNC Milling Operation

2015 ◽  
Vol 2015 ◽  
pp. 1-13 ◽  
Author(s):  
Sukhdev S. Bhogal ◽  
Charanjeet Sindhu ◽  
Sukhdeep S. Dhami ◽  
B. S. Pabla
Keyword(s):  
Mathematical Model ◽  
Surface Roughness ◽  
Surface Finish ◽  
End Milling ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Experimental Investigations ◽  
Cnc Milling ◽  
Tool Vibration ◽  
En 31

Tool vibration and surface roughness are two important parameters which affect the quality of the component and tool life which indirectly affect the component cost. In this paper, the effect of cutting parameters on tool vibration, and surface roughness has been investigated during end milling of EN-31 tool steel. Response surface methodology (RSM) has been used to develop mathematical model for predicting surface finish, tool vibration and tool wear with different combinations of cutting parameters. The experimental results show that feed rate is the most dominating parameter affecting surface finish, whereas cutting speed is the major factor effecting tool vibration. The results of mathematical model are in agreement with experimental investigations done to validate the mathematical model.

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