omkar sawant_cv
TRANSCRIPT
Career Summary : A Vibrant & highly focused Mechanical Design Engineer with 6+ Years continuous learning Experience, who has significantly contributed towards Design and Development of Mechanical enclosures for electronics modules, subsystems & radars with strong technical knowledge of structural, vibration & thermal designing.
Result Oriented, Dynamic Professional with rich Experience on various critical projects for Defense and Aerospace applications
Areas of Expertise: CAD Tools like Solidworks, Catia AutoCAD, Hyper Mesh.
Work Chronicle:1. Airbus Defense and Space India, Bangalore October 2015 – Present
Industrialization / Design Engineer (Mechanical Team)
Summary:Roles:
Design & development of Mechanical Enclosures for new defense products, sub-systems as well as optimize the existing products.
Designing housings with extruded beams, machined parts, sheet metal and riveting enclosures, composites structures etc.
Provide technical assistance to both operations and engineering on issues related to quality, performance, standardization, cost and processing.
Interfacing across the cross function teams and contributing to the continuous improvement of the overall industrialization process and functioning in the company.
Responsibilities :
Preparing conceptual design & placement analysis. Detailed design with 3D modeling CAD package. Creating detailed manufacturing drawings. Selecting materials, proper surface finish depending on end applications. Provide technical support for identification of the appropriate vendors based on the MDP. Support for vendor qualification along with Quality.
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OMKAR Mobile: +91-7204442902E-Mail:
Support engineering Design for Manufacturing/Design for Cost efforts. Prepare the technical requirements for manufacturing of sub-systems/assembly/parts from
existing drawings, documents for sharing with local manufacturers. Coordinate all aspects of the transition to production, Responsible for the technical follow-up
of production transfers.
2. Centum Electronics Pvt. Ltd, Bangalore November 2010 – October 2015 Mechanical Design Engineer
Summary:Roles:
Design & development of Mechanical Enclosures for various Space & Defense/MIL grade Electronics Power supply modules, LRU’s, Subsystems, Hybrid Microelectronics circuits, Frequency controlled products, RF modules etc.
Designing mechanical packages/enclosures & other electronics hardware with machined parts & sheet metal parts from various metal like Aluminum Alloys, Magnesium, Kovar (ASTM F-15), Cold rolled steel (for making prototypes), OFE Copper C10100 (for making heat sinks/bus bars) etc with different surface finish depending on the end applications.
I have also worked in Vibration testing facility for three months understanding the testing methods, operating the shaker machine developing jigs & fixtures.
Responsibilities :
Lead all the mechanical activities of the product. Understanding the customer requirements & studying ESS requirements. Placement analysis and feasibility of the concept. Preparing conceptual design & reviewing of the design with the customers. Generating PCB .dxf files & sharing with PCB design engineers. Detailed design with 3D modeling CAD package. Perform tolerance stack-up analysis for critical assemblies. Creating detailed manufacturing drawings & realizing to the vendors. Selecting materials, proper surface finish depending on end applications & customer
requirements. Hand calculations for structural/thermal integrity of packages. Drive thermal design for the product- support with inputs and review thermal reports. Selection of fans and blower based on the thermal requirement. Verifying & validating the structural analysis reports. Interacting with suppliers during design phase & manufacturing phase. Freezing up of the design, rationalizing of the parts and ensuring the safe design
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Releasing of the 2D production drawings for manufacturing. Releasing Assembly Procedure, wire harness drawings & Flow Charts to shop floor. Handle reviews with cross- functional teams like EMI, Thermal, Safety, Mechanical peers,
Hardware, Manufacturing and operations Involving in assembly activities, training technicians during proto & QM units. Involving during validation of the designed product. Developing Electrical test jigs from sheet metal and extruded heat sink for testing. Developing jigs & fixtures for Vibration testing. Participating during vibration testing of units. Look for cost-reduction opportunities to meet target cost of the product.
Professional Skills : CAD Software : Solid Works / Auto CAD / CATIA V5 / Hyper Mesh
Technical Skills : Vibration, Natural frequency Calculation, Bolts Design Thermal calculation-Heat sink design, conduction cooling. GD & T. Tolerance Stack up analysis. Matcad /Excel calculations. MIL-STD-810, MIL-STD-883, MIL-STD-202. RTCA-DO-160.
Educational Qualification:
B.Tech / BE in Mechanical Engineering (Full Time) 65% aggregate – Dayanand Sagar College of Engineering, Bangalore – VTU University, BelgaumFinal Year Projects: “Design and Fabrication of a Test Rig for Assessing P/V Characteristics of Sintered Bearings” which was done under the guidance received from Senior Academicians/Scientists, Department of Metallurgy, IIT Madras, Chennai
Projects :
Electronics Power Supplies / DC – DC Converters:
Multi output Power Supply (MOPS) Centum Electronics – Mechanical Design Engineer; Centre for Air Borne Systems (DRDO)
MOPS are a 6KW power supply designed for Airborne Radar application, mounted external to
the aircraft in the Antenna unit.
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Material used to built the chassis is AL6061 T6 grade & surface treated with yellow Chromated, size was 596x148x90 mm having overall mass of 9 Kg. Fins of 15mm length & 1.5mm thickness were provided on either side for thermal dissipations through convection. Vertically mounted this power supply was designed for conduction cooling as well as convection cooling and to withstand vibration levels of 40G shock & 0.04 g2/Hz random vibration.
For testing this unit a cooling duct was designed with blower & fan on either side of the duct opening to test for actual conditions maintaining flow rate of 18 m/s & ambient of 71 ˚C.
72W DC – DC Converter Centum Electronics – Mechanical Design Engineer; ISRO Inertial Systems Unit (IISU)
72W DC-DC converter is a 9 output converter which is used in launch vehicle of all ISRO
programs. Material used to build the housing is AL6061 T651 grade and surface treated with black
Anodization, size was 205x135x33mm having mass of 850 gm. Vertically mounted this package was designed & tested for conduction cooling and to
withstand vibration levels of 105G shock & 0.04 g2/Hz random vibration & 10G sine vibration.
Other DC – DC Converters for Defense Applications Centum Electronics – Mechanical Design Engineer; DRDO, RCI, BDL, LRDE etc
Have been involved in design, development & validation of various other defense projects
like, 3W (single output), 15W (dual output), 21W (dual output), 25W (single output), 28W (dual output), 50W (four output), 80W (dual output), 156W (eight output), 356W (quad output).
RF Projects:
C - Band Transmitter Receiver Module (CQTRM) Centum Electronics – Mechanical Design Engineer; LRDE - DRDO
CQTRM is transmitter & receiver module used in defense radar applications. Designed to
accommodate RF modules, digital card & dc-dc power supply module in single housing having size is 220x118x17mm, built from AL 6061 T6 alloy and tin plated.
Thermal dissipation in this module is around 80W & conduction cooled, and will be mounted on the heat sink.
S-Band Transmitter Receiver Multi Module (STRMM) Centum Electronics – Mechanical Design Engineer; CABS - DRDO
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STRMM is transmitter & receiver module used in defense radar applications. Designed to accommodate RF modules, digital card & dc-dc power supply module in single housing having size is 335x235x30mm, built from AL 6061 T6 alloy and tin plated.
This module is dissipating 250W and conduction cooled, and will be mounted on liquid cold plate.
Worked on other RF project, Quartz generator for RF seeker for RCI DRDO.
Radar Projects:
TRS – 3D RGBSI, Client: Airbus Defense & Space India - Mechanical Design Engineer
TRS 3S/16 ES is surveillance and target acquisition radar used for detection, localization,
classification and tracking of air and sea target objects, it's a high resolution NATO G band 3D multimode acquit ion radar system.
Involved in redesign and optimization of the antenna housing structural design to make the housing manufacturing friendly and mainly weight reduction. Size of the housing is around 2500x1500x760mm and weighing 345Kg with electronics.
Involved in CG and weight balancing calculations, structural design calculations etc. Procurement specification & local vendor development for fabrication of the housing and vendor
qualification. Concept design of TRS 4D radar housings.
Personal Dossier:
#A-313, Skandashri Paradise, 1st main road, ITI Layout 3rd stage, Nayandahalli, Bengaluru 560039 [email protected]
+91-7204442902
Ready to Join Immediately (Serving Notice Period)
29th February 1988
Bengaluru, Karnataka, India
Declaration: Page 5 of 6
I hereby declare that the above information is true to the best of my knowledge and understanding.
Place: Bengaluru (Omkar Sawant)
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