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  1. No Access

    Article

    Optimization of machining techniques — A retrospective and literature review

    In this paper an attempt is made to review the literature on optimizing machining parameters in turning processes. Various conventional techniques employed for machining optimization include geometric programm...

    Aman Aggarwal, Hari Singh in Sadhana (2005)

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    Article

    Optimizing feed force for turned parts through the Taguchi technique

    The objective of the paper is to obtain an optimal setting of turning process parameters (cutting speed, feed rate and depth of cut) resulting in an optimal value of the feed force when machining EN24 steel wi...

    Hari Singh, Pradeep Kumar in Sadhana (2006)

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    Article

    Optimization of processing parameters in induction hardening using response surface methodology

    In this paper, an effective procedure of response surface methodology (RSM) has been utilized for finding the optimal values of process parameters while induction hardening of AISI 1040 under two different con...

    AMIT KOHLI, HARI SINGH in Sadhana (2011)

  4. No Access

    Article

    Burr height and hole diameter error minimization in drilling of AL6063/15%/SiC composites using HSS step drills

    In drilling process, burr plays an important role on the quality parts. It is necessary to minimize the burr height. This paper presents the effect of CNC drilling process parameters like cutting speed, feed r...

    Abhishek Kamboj, Sudhir Kumar, Hari Singh in Journal of Mechanical Science and Technology (2015)

  5. No Access

    Article

    Machining optimization in rotary ultrasonic drilling of BK-7 through response surface methodology using desirability approach

    In the present work, optical glass BK-7 was drilled by rotary ultrasonic machine. Response surface methodology was amalgamated with desirability approach to frame the experimental matrix and seek pragmatic sol...

    Vikas Kumar, Hari Singh in Journal of the Brazilian Society of Mechan… (2018)

  6. No Access

    Article

    Investigation of hole quality in rotary ultrasonic drilling of borosilicate glass using RSM

    The present article emphasizes on reducing the edge chip** and taper during rotary ultrasonic drilling of one of the most demanded ceramic glasses “BK-7.” Statistical tools of design of experiments and backi...

    Vikas Kumar, Hari Singh in Journal of the Brazilian Society of Mechan… (2018)

  7. No Access

    Article

    Forming force in incremental sheet forming: a comparative analysis of the state of the art

    Incremental sheet forming (ISF) significantly exempts use of expensive dies and reduces tooling cost for manufacturing complex parts in the field of sheet metal forming which makes it suitable for manufacturin...

    Ajay Kumar, Vishal Gulati, Parveen Kumar in Journal of the Brazilian Society of Mechan… (2019)

  8. No Access

    Article

    A Planar Dual-Band Antenna for ISM/Wearable Applications

    In this paper, a small size, planar, dual-band antenna is proposed for ISM band applications. The antenna consists of a ground plane, a rectangular patch, and a microstrip feed line of 50 Ω. The antenna patch ...

    Hari Singh, Kunal Srivastava, Sachin Kumar in Wireless Personal Communications (2021)

  9. No Access

    Article

    A Compact Wideband Flexible Antenna for Wireless Medical Telemetry Services

    In this paper, a planar small size coplanar waveguide (CPW)-fed wideband antenna is presented for wearable applications. The antenna operates for 1395–1400 MHz and 1427–1432 MHz wireless medical telemetry serv...

    Hari Singh, Binod Kumar Kanaujia, Sachin Kumar in Wireless Personal Communications (2022)

  10. Article

    Open Access

    Multi-Objective Optimization of Fused Deposition Modeling for Mechanical Properties of Biopolymer Parts Using the Grey-Taguchi Method

    The urgent need to develop customized functional products only possible by 3D printing had realized when faced with the unavailability of medical devices like surgical instruments during the coronavirus-19 dis...

    Kapil Kumar, Hari Singh in Chinese Journal of Mechanical Engineering (2023)

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    Article

    Parametric Optimization of the 3D Printing Process for Dimensional Accuracy of Biopolymer Parts Using the Grey–Taguchi Method

    The continuous usage of non-degradable and toxic polymers in today's industry has proven a significant barrier to better ecological sustainability. Considering this fact, today's prime requirement is to replac...

    Kapil Kumar, Hari Singh in Iranian Journal of Science and Technology,… (2023)

  12. No Access

    Article

    Experimental analysis of tool geometry and tool rotation in SPIF process on AA7075-O alloy using ML and ANN approach

    Single Point Incremental Forming (SPIF) is a novel and die-less variant of Incremental Sheet Forming (ISF) which directly exempts the use and involvement of dedicated punch and dies. This is an agile and flexi...

    Parveen Kumar, Hari Singh in International Journal on Interactive Desig… (2023)