Gunasekar Chandrasekar

• Working as maintenance IN-charge in aluminum, copper brass radiators and AC coil condenser manufacturing factory
• Managing entire maintenance team(15 people) and Directly Reporting to Factory Manager and General Manager.
• Always monitoring spare parts to maintain
• Suitable machine purchase suggestion and selection according to production department need.
• Mainly response for Continues Furnace and Baking Oven operations and troubleshooting.

List Of Machinery Handled

• ATLAS screw compressors.
• Bur-oak hair pin bender and FIN-press
• Aluminum TUBE mill scholer (Germen), BRASS TUBE MILL MILL MASTER (US).
• DMG MORI Milling (Germen)
• SECO WARWICK (US), Sellacan Furnace (Germen)
• CAT GEN-SET, DIE machines , TURRENT PUNCH press (AMADA)
• VOSS (US) Fin making machines, core assembler, FIN-press

ETC .

Work achievements

• Started in-house electronic device repair for electronics parts and successfully reduced purchase cost of company and increase production time.
• Machine corrupted Hard-disk backup.
• MMC backup , PLC and HMI program backup,

• Troubleshooting on REXROTH HYDRAULICS
  Power-pack units DANFOSS OMT Hydraulic motors, MOOG servo proportional valve,
  Electronics I/O controls, VERLINDE EOT CRANES, AIR COMPRESSORS,

List Of Machinery Handled

• EVG GD automated double crosswire wire mesh
• Promostar cold rolling coils such as Vegstar, liebrastar
• Oscam shearline, schnell Robo MASTER, MEP SYSTEM-S, FORMAT 16, FORMAT 16 3D

Work Achievements

• Schnell manual bender motor mechanical break changed to electrical break.
• Servo proportional valve calibration and repair.

(KEC International CCECC DMRC Project, New-Delhi) From 05.06.2020- To 30.10.2021

(TATA-STEEL Plant Extension Project, Orissa) From 05.06.2018- To 04.06.20

• PLC PROGRAMMING, Circuit modifications, troubleshooting and Machine Maintenance
• Monitored department priorities and coordinated team workflows to meet demand.
• Procured information from various vendors to support cost-effective purchasing.
• Diagnosed faults and carried out or assigned repair tasks to minimise downtime.

• Troubleshooting work for SCHNELL Machines such as Prima 12 & 16, Nextra 16, Barwiser 22s, Robo master 55 & 60, Mono robot, GRIGOR Shear line 500 & 300, UniBender, Alligator cutting machine, Demag 5 ton & 2*3.2 ton Eot crane, Ignershallend compressor and Air Driers.
  
  Work Achievements
• LAFERT, DEMAG, BMAX 4000 & BUM 61 (BAUMULLER) Servo Drive Internal repair and reduce maximum service cost for company
• PLC Logic changed to Relay Logic Reduce Cost and minimize Breakdown (only for small circuits )
• Backup program & cloning Entire Memory card for minimize purchase and production loss
• Servo motor winding insulation done for avoid motor overheat and Tripping.
• Resolver & encoder ‘0’ setting and changing whole PPR element.

Manufacturing machines such as 4FCM, 5FCM, 5HCM, spinner cut to length, Stirrup machine, Double Bender, Main shear line cutting machine, Weld Mesh

Work Achievements

• Control Panel Assembling, full panel wiring and Testing
• BMAX Servo drive program uploading, downloading
• Servo motor Testing and Troubleshooting
• LEXIUM 32 ,23 Servo drive and ALTIVAR VFD parameters setting adjustment
• PLC machines changed to simple Relay logics for reduce manufacturing cost
• Counter timers installed instead of PLC for reduce maintenance cost
• LOCAL purchasing, Inward and outward materials Handling
• Machine servicing, Testing, Erection and commissioning to all over India

• Troubleshooting STEMA PEDAX rebar machines (Twin master, double bender and Single bender, spiral machine, Progressive Single benders, Main shear and small shear) and rectify Major Electrical problems such as SCHNELL, OSCAM, EVG, AROUNODAYA Imported rebar steel cut & bend Machines
• Ref to Error code and rectifying SIMENS 300 series PLC with HMI touch panel system, Rexroth servomotors with drives, Schneider electric servo motors with drives, M232 PLC with HMI panel system and Microcontroller based Machine I/O IC Replacements
• High-speed EOT crane 5 ton and 8 ton, ELGI Air compressors, 360 KVA Diesel Generator, HYDRA troubleshooting and maintenance Reactive power management system and all control panels (include circuit breakers)
• STEMA PEDAX Double Bender, MAINSHEAR Program copied and Rebooted via Windows98 without New Purchase.
• Repair servo drives internally
• PLC MMC card cloned and installed with new one
• Speed controlling (Siemens) MICROMASTER 400 and 440 Speed adjustments.
• Taken care of maintenance activities individually without any supervision.
• Repair Encoder from faulty one and Measurement Adjustments.
• HMI touch Screen replacing and touch calibration.
• Limit switches Replaced by Proximity sensors.
• Circuit Modifying and Remote making for machines Minimized plant breakdowns with rigorous Planned Preventative Maintenance (PPM).
• Responded to plant breakdowns and emergency callouts.
• Carried out scheduled preventative maintenance requests on all machines, processes and assembly lines.
• Assessed equipment and material needs, sourcing cost-effective, timely solutions.
• Researched scientific advancements to aid product design evolution.

REGEN POWERTECH PVT.LTD ( www.regenpowertech.com) Windmill Power Plant

• Rectifying Major errors from error code, troubleshooting problem Electrical based (Rectifier and Inverter and DC step up chopper and Reactive power management) system, Hydraulic system, Slip ring and blade pitch system
• Maintenance windmills as per as schedule, Total system is Based on German VENSYS windmill Technology with TWINCAT Embedded PLC and PROFIBUS master with optical wire and Wireless transmission control by SCADA.
• Power Transformer Insulation resistance/Winding resistance/Polarity Check/Ratio test/Primary injection test.
• Circuit Breaker Insulation resistance/Trip /close coil resistance/Contact Resistance/Timing test.

PUSUING