1. RAGHAVENDRA .PUROHIT
Mobile: +91-9886556460 • Email: rgpurohit@yahoo.com • rgpurohit65@gmail.com
Address: G10, Kumbha Lakeshore Block 3, Lake View Residency, Lake City Layout, Kodichikkanahalli, Bangalore –
560076
MECHANICAL ENGINEERING PROFESSIONAL (Design, Development, Manufacture, R &D)
Location Preference: Bangalore, Chennai, Hyderabad, Pune, Mumbai, Ahmadabad, Vadodara, Delhi NCR all Metros
cities.
OBJECTIVE
Seeking a position in a result oriented company having a globally competitive environment that is looking for an
ambitious and career conscious person, where a blend of my acquired skills and education will be utilized on
challenging assignments in a creative atmosphere, using innovative technologies that shell out a steady-paced
professional growth to my organization & me.
SUMMARY
An Engineering professional who brings superior technical, Design, Analytical skills to the problem solving and
application Management functions. A skilled facilitator and designer readily able to articulate innovative solutions to
both team & client.
Specific strength include
 Team Management skills & Effective communication / Multitasking
 Result oriented
 Analytical skills
 3D Modeling & drafting, Drawing checking, Drawing management and Quality output
 Hands on experience in using 3D modeling softwares more than 12 years.(Solid Edge, Solid works,
Pro-e,exposure to Ansys.
 Geometric Dimensioning and Tolerances.( GD&T)
 Knowledge and extensive experience of machine shop,Fabrication,Assembly and testing.
 Hands on experience in co-ordination with other department and supporting them and problem solving
capability.
 Work experience with MNC & exposure.
 Involved in many developmental projects,Defence projects.
PROFESSIONAL SUMMARY
 A result oriented professional with over 27+ years of wide and in-depth experience in Gears and gearbox Design,
Project Execution, Design Engineering, Product Designing and Reverse engineering of components, Lubrication.
 Currently working with David Brown Design Center, Bangalore as Dy.Manager (New Build/Aftermarket)
a company of David Brown Gear systems Ltd.
 Deft at designing, application planning, production & estimation of various mechanical equipment such as
Customized industrial gearboxes for mill drives, Mining Conveyor drive, rail gear boxes for rail application, Diesel
Hydraulic shunting Locomotives, Hydrodynamic transmissions, Gear box for Defence equipments, Mining
equipments (Shovel drives) High speed gear units and Cardan Shafts for Industrial, Locomotive, Automotive &
other applications.
 Proficiency in enhancing process operations and achieving the required quality level in the products.
 Expertise in handling product drawings, dimensional inspection reports, process parameter, process capability &
functional testing reports.
 Skilled in understanding overall operations for new products or improvement of existing products with thrust on
reducing product cost.
 Possess skills including recognizing the strengths and weaknesses in others as well as oneself and willingness to
perform additional activities.
 Professional communication and strong networking skills with various countries UK,Austrailia,
South Africa, Canada, Chile at different time zones.
Core Competencies:
• Design of gears & Gear boxes • Product Development & Designing • Heat Treatment • Reverse Engineering • 3D
Modeling • Pre Design Validation • Team Management • Project Management

2. KEY DELIVERABLES
 Defining and driving the calculation for pre-design, validation and optimization.
 Defining, developing and validating both the product and the material appropriate to the process defined.
 Preparing RFQ and managing the development and the design of parts according to the customer specifications
and targets defined at the assignment.
 Preparing quality documents for product design & development.
 Managing projects activities involving working out various requirements with respect to utilities, machines,
manpower & monitoring overall project operations for ensuring timely completion adherence.
 Managing resources to perform project activities in a cost effective manner.
 Overseeing detailed engineering design and management, submittals, approvals and procurement.
 Working with PDM system.
CAREER CONTOUR
David Brown Design Center, Bangalore since Sep’04
Dy.Manager (New build/Aftermarket)
 Receiving the work orders and work request for working on the Engineering projects.
 Conducting detailed study on the requirement and scope of work
 Interacting with Business unit for clarifications and conducting regular conferences/video conferences.
 Reviewing the project and identifying the challenges and work to solve.
 Training and supporting Design Engineers & contract Engineers internally in technical & in software (Solid Edge).
 Training and supporting Analysis Engineers in SE Modeling, Load calculations & familiarize them with the product.
 Familiarizing the Programming Engineers with the product knowledge.
 Checking and approving of Design, Model & drawing done by Design Engineers.
 Designing, modeling & drafting of Gear case & the components such as Gears, Pinions, Covers and Oil catchers.
 Preparing layouts for gear arrangements, General & sectional arrangements of Gear Unit and planning Lubrication
arrangements, Wiring diagrams & P& I diagrams.
 Allocating the jobs to Analysis Engineers & support them in load calculations, modeling and arrange the reports
for the final submission to Business Units.
 Determining Stresses, deflection & leakage in Gear cases, ovality in Gear case bearing retaining bores along with
conducting stresses & deflections at Fabricated Girth Gears.
 Reviewing Performance Management Process (PMP) of team members for the merit hike.
 Scheduling, planning and arranging other trainings such as six sigma green belt, Export Compliance, Business
communication, technical seminars internally.
 Preparing Model & drawings of Gear Box, Base plate & Components along with preparing Bearing load
calculations for Analysis purpose.
 Designing Mill gear boxes, mining gearboxes, Spur and Helical/ drop in replacement:
o Single stage
o Multistage
o Planetary
o Design of High speed Gear units
o Bevel Helical Gear units
o Final drives for Rail application
o On site visit in getting dimensions of components/gear box for drop in replacement and refurbishing
o Reverse Engineering
Additional responsibility for setting of new office
 Negotiating with land owners, paper work, preparing the estimation, interiors, with LAN & WAN, leasing of
hardware and software.
 Supporting IT people in Leasing of hardware and supporting IT team for requirement & Budgeting of software’s.
 Getting quotations and transferring software licenses.
 Ensuring right Hardware, software, plotter and printers in place.
Highlights:
 Worked on Design and manufacture of gearbox:
o Mill Drive gear box (Hindalco Alumunium Renukoot): 800 Kw / 19.231: 1: 3stage twin outputs.
o Mill Drive gearbox (Timet UK)-Design and manufacture of gearbox: 900 HP
o Mill drive gearbox (Narec UK)-Testing applications: 3000 Kw / 20:1

3.  Worked on design of wind gearbox: 1660 Kw / 20:1 and of various high speed Gear units including:
o Design /manufacture and supply of high speed gear unit with base frame Customer – PSI (Pumps system
international): 2080 Kw @900 / 1500 rpm; as per API 613.
o High speed Gear unit (Toaz UK), 1975 Kw @5500 / 746 rpm as per API 617.
o Vertical mill drive (Bevel planetary Gear box) (VMD) for Pulverizing Mill of 800Kw:
 Input speed - 990 rpm
 Output speed - 34.5 rpm
 Efficiently developed transmissions for Shovel Drive for mining application with help of sketches measurements
for deciding material /Heat treatment/surface coatings as per DB std. for:
o P & H 2800 XPB Swing
o P & H 4100 XPB Propel
o Bucyrus HR 495 propel
o Bucyrus HR 495 Swing
o Bucyrus HR 495 Hoist
 Mining (Conveyer Drive )Bevel Helical Gear Units
 Worked on Various Gear units of Bevel Helical for Mining applications for DB Australia CX 390:
o Motor Power - 500 Kw
o Input speed -1450 rpm
o Gear Ratio -19.89: 1
 Proactively worked on various drop in replacement gearboxes of various application with suitable changes as per
customer's requirement for Gear case / Gears /Pinion shafts and output shafts.
 Participated and organized David Brown stall in "IMME" (International Mining & Machinery
Exhibition) Kolkata during 2010.
San Engineering & Locomotive Co. Ltd., Bangalore / Mysore Jul’87 – Sep’04
Senior Engineer (Design)
 Performed complete design & development of Spur, Helical, Planetary gear boxes and Cardan shafts. Cardan shaft
(drive line shaft) are suitably designed / supplied in replacement to existing cardan shafts of other makes.
 Made preliminary discussion with customer and visited customer for actual requirement.
 Selected gearing based on load rating and arrangement, GA drawing of Gear box for customer submission/
approval.
 Conducted detailed design of Gearbox consisting of Casing, Gears, Shafts, Bearings, oil Seals, `o’ rings etc.
 Selected Bearings depending on the loads & for the required operating life and checked the life of Bearings will be
both by manual calculations & thru SKF software.
 Designed shafts for bending moment and Shear force for the required Torque transmitting capacity & selected
material accordingly.
 Designed gearbox casing for the limiting dimensions approved by the customer and fabricated the casing out of
mild steel plates. Also designed gear case castings with suitable material as per design requirements.
 Selected oil seals & `o’ Rings suitably for leak proof joints and faces.
 Selecting suitable air Breather for Air vent, Magnetic drain plug for oil drain & Oil level gauge.
 Laid the material requisition for long lead items such as Bearings, Oil seals, `o’ Rings, bar stocks & Forgings for
the procurement action.
 Prepared and released the Gear box assembly & Components drawings for manufacturing & Assembly purpose
with BOM.
 Checked and monitored input & output speeds during testing, Noise level and Bearing temperature during free
run and load testing.
Highlights:
 Proficiently designed, tested and supplied vertically mounted gearbox for “IFFCO” Khandla, which is running at
customer’s plant, which was earlier imported and was replaced with fabricated gear case.
 Actively worked on various CVRDE (Avadi) (a Defence Organization) Reverse Engineering project and various
VRDE Developmental Projects.
 Successfully designed, Tested and handed over the “Turret Traverse Gear Box for Gun Control System of “T -72
“Arjuna Main Battle Tank”.
 Efficiently performed reverse engineering, testing and handing over the “Final Drive “for “T-72 Arjuna Main Battle
Tank”.
 Actively developed Hydraulic Actuator for main brake system for“T-72 Arjuna Main Battle Tank “.
 Developed and tested main Brake System and Input Gear Train for “T-72 Arjuna Main Battle Tank”.
 Efficiently developed planetary gear box for fan drive of Input gear train which is for “T72 Arjuna Main Battle
tank”.
 Designed and developed Power distribution unit (PDU) for ‘ABHAYA’ Amphibian vehicle, complicated Gear case
with Aluminium Alloy and Bevel Gear units for Jet Propulsion.

4. This gear box is Designed to cater various power take off as per the customer's requirement.
 Prepared & Handed over Project and design calculation reports with Assembly /service manual
Commenced career at Koday Engineering Bangalore as Design Engineer during Oct’85 – Jul’87
ONSITE SITES VISITED
Visited David Brown works at various locations on different projects / discussion.
 David Brown Gear Systems Huddersfield UK,( During 2007,2010 and 2014 )
 David Brown Gear Systems, South Africa ( During 2005 )
 David Brown Gear Systems, Australia (During 2012 and 2013)
 David Brown Gear Systems Service Centre Chile - Attended Training on "Shovel & Drag line Boot camp"
(During2013 )
COURSES ATTENDED
 Workshop on TAP (Transformation Acceleration Process) Tools, TRIZ (Theory of Inventive problem solving), Value
Engineering.
 Gear Reverse Engineering training at David Brown Australia and Chile.
 Hands on experience in using AutoCAD, Solid Edge and Solid works.
TECHNICAL SKILLS
 Solid Edge
 Solid works
 Auto CAD
 Exposure on Pro-E
 Exposure on, Ansys
 Exposure on Kiss soft, MIDAS and various In-house tools based on MS Office, MS Excel.
 MS Office, MS Excel and MS PowerPoint.
ACADEMIC CREDENTIALS
Diploma in Mechanical Engineering -1983
Govt. Polytechnic K.R. Pet (Karnataka)
Bachelor of Mechanical Engineering - 1999
Sri Jayachamarajendra college of Engineering Mysore, Karnataka, University of Mysore
TRAININGS UNDERGONE
 Attended training on “Textron Six Sigma (Green Belt)”.
 Attended training on Bearings conducted by SKF (Australia).
 Attended training on Bearings conducted by FAG.
 Attended training on communication and presentation skills in house.
 Geometric Dimensioning and Tolerances.( GD & T )
 Attended course “Metallurgy for non Metallurgists” conducted by Institution of Engineers.
 Good Knowledge on best Engineering practices – AGMA /DIN/API/BS standards.
 Training on David brown Gear Academy.
Date of Birth: 21st January 1965
Passport No.: J0344061
References: Available on Request