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Rama Kotaiah, K.
- The Impact of Cutting Conditions on Cutting Forces and Vibrations for Steel Sand Aluminium
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Authors
Affiliations
1 Dept. of Industrial and Production Engg., K. L. College of Engg., Vaddeswaram, Guntur (Dist), Andhra Pradesh, IN
2 Dept. of Mechanical Engg., NUY University, KR
3 Dept. of Mechanical Engg., R V R & J C College of Engg., Chowdavaram, Guntur (Dist), Andhra Pradesh, IN
1 Dept. of Industrial and Production Engg., K. L. College of Engg., Vaddeswaram, Guntur (Dist), Andhra Pradesh, IN
2 Dept. of Mechanical Engg., NUY University, KR
3 Dept. of Mechanical Engg., R V R & J C College of Engg., Chowdavaram, Guntur (Dist), Andhra Pradesh, IN
Source
Manufacturing Technology Today, Vol 8, No 1 (2009), Pagination: 32-38Abstract
This paper presents an experimental investigation aimed at identifying and isolating effects of cutting conditions and over hanging length of work piece and over hanging length of tool on cutting forces and vibrations from those arising as a result of cutting tool wear. Machining test cuts were conducted using sharp tool and the effects of cutting conditions (depth of cut, cutting speed and feed rate), tool overhanging length and work piece over hanging length studied. Here experiments were conducted on EN8 steel, EN24 Steel, Mild steel and Aluminium at different cutting parameters and different overhanging lengths. Here chatter starting point length is measured from the free edge of the work piece and graphs were plotted between over hanging length verses cutting forces and chatter starting point length.- Analysis of Regenerative Chatter in Turning
Abstract Views :179 |
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Authors
Affiliations
1 K. L. Coilege of Engg., Vaddeswaram, Guntur (Dist), Andhra Pradesh, IN
2 Dept, of Mechanical Engg., NUY University, South Korea, US
3 Dept. of Indl. and Production Engg., K. L. College of Engg., Vaddeswaram, Guntur (Dist), Andhra Pradesh, IN
4 Dept. of Mechanical Engg., RVR & JC College of Engg., Chodawaram, Guntur (Dist), Andhra Pradesh, IN
1 K. L. Coilege of Engg., Vaddeswaram, Guntur (Dist), Andhra Pradesh, IN
2 Dept, of Mechanical Engg., NUY University, South Korea, US
3 Dept. of Indl. and Production Engg., K. L. College of Engg., Vaddeswaram, Guntur (Dist), Andhra Pradesh, IN
4 Dept. of Mechanical Engg., RVR & JC College of Engg., Chodawaram, Guntur (Dist), Andhra Pradesh, IN
Source
Manufacturing Technology Today, Vol 6, No 11 (2007), Pagination: 35-40Abstract
This paper presents effects of various cutting conditions (such as Velocity, Feed, Depth of cut), and tool geometry (such as Side Cutting Edge angle. Inclination angle. Rake angle), overhanging distance of work piece and over hanging distance of tool on regenerative chatter (Self excited vibrations) in turning process. A low mass accelerometer is placed at the tool-tip of the assembly and the system is excited at the same point by using an impulse hammer to obtain the tool-point frequency response function through spectrum analyzer or modal testing software. New test is performed when tool-overhang length changes or for different combination of system components. Regarding the analytical aspects, have to obtain any model of cutting process.This paper also presents mathematical modelling for better understanding the relationship between various cutting conditions, cutting forces and vibrations in turning machines.- Tool Wear Monitoring and Control
Abstract Views :158 |
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Authors
Affiliations
1 Department of Industrial and Production Engg., K.L. College of Engineering, Vaddeswaram, Guntur (Dist.), IN
2 Department of the Mechanical Engineering, Chaitanya Engineering College, Visakhapatnam, IN
1 Department of Industrial and Production Engg., K.L. College of Engineering, Vaddeswaram, Guntur (Dist.), IN
2 Department of the Mechanical Engineering, Chaitanya Engineering College, Visakhapatnam, IN
Source
Manufacturing Technology Today, Vol 5, No 6 (2006), Pagination: 23-25Abstract
This paper presents, a control methodology based on experimental data of the tool wear as a function of cutting variables. In automatic machine tools, there is strong need to control the tool wear by adjustment of the cutting parameters. In this connection, a control system, which can adjust the cutting parameters for a desired wear rate, is necessary. A regression relation is also established between the flank-wear, and the cutting parameters. An inversely trained neural network model, which supplies the modified values of the cutting parameters, is used as a controller. The results are shown in the form of tables and graphs.- Tool Wear Monitoring with Indirect Methods
Abstract Views :166 |
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Authors
Affiliations
1 Department of Mechanical Engineering, SCSVMV (Deemed University), Enathur, Kanchipuram, Tamilnadu, IN
2 Department of Industrial and Production Engineering, KL College of Engineering, Vaddeswaram-522502, Guntur (Dist)., Andhra Pradesh, IN
1 Department of Mechanical Engineering, SCSVMV (Deemed University), Enathur, Kanchipuram, Tamilnadu, IN
2 Department of Industrial and Production Engineering, KL College of Engineering, Vaddeswaram-522502, Guntur (Dist)., Andhra Pradesh, IN