Cesar A. Abreu Email and Phone Number

• Process development with machinery suppliers during mule builds, validation prototype phase and production lines fabrication for battery module and battery pack area lines 1.• Process and Safety standard operation sheets development.• Quality testing method development, tools and fixtures acquisition, and implementation to validate final product compliance with design specifications. • Laser welding process parameters development based on DOE’s and statistical data analysis for weld penetration and pull testing. (Foil to cell & busbar welding).• Area Layout, tooling, machinery and fixtures development using CAD and 3D modeling tools.• Commissioning of equipment on phases SAT (supplier acceptance test), FAT (Factory acceptance test) and SOP (Start of production) for battery line 1 laser welding equipment.• Support production operations to guarantee quality and productivity compliance.• Identify & implement continuous improvement projects related to yield, productivity, and machine availability.• Development of rework recipes and processes including laser welding and PLC programs for welding operations.• Participated in early battery frame robotic MIG welding cell development.• Root cause analysis and pFMEA are used to document events and avoid recurrence.• Industry standards AWS / ASTM / ISO

• Process development with machinery suppliers during mule builds, validation prototype and production lines fabrication for battery module and battery pack area lines 1.• Process and Safety standard operation sheets development.• Quality testing, welding development tools acquisition and implementation to validate product compliance (Foil to cell welding).• Laser welding process parameters development and testing (Foil to cell & busbar welding).• Commissioning of battery line 1 laser welding equipment for foil to cell laser welding stations.• Support production operations to guarantee quality and productivity compliance.• Identify & implement continuous improvement projects related to yield, productivity, and machine availability.

Implement Lean Manufacturing and Six Sigma tools to achieve plant operating objectives

2014-Actual EATON CORP. MCCB Haina Dominican Republic Senior Manufacturing Engineer Welding Processes (OPEX Haina, D. R.) Lead the welding processes used to join the current carrying components of the Molded Case CircuitBreakers produced at the Haina D. R. MCCB Facility. Supervise 16 technicians (Welding Engineering assistants, Setups and Tool & die makers) that support the manufacturing department. Design / Improve the fixtures used to joint components and validation tests for the welded subassemblies of the production lines. Implement Lean Manufacturing & Six Sigma tools to achieve plant operating objectives and reduce process variation. Improve the product design by analyzing brazed joint failures and statistical tendency of destructive tests (SPC). Identify cost out opportunities by replacing/reducing raw material or labor. Lead machine refurbishment and safety improvement related capital projects aligned with plant key operating factors. Processes supported: Resistance Brazing, Spot, Ultrasonic Welding & Coil winding.• Implemented cost out projects totaling $370k in savings by replacing brazing materials with more competitive alternatives.• Setup time reduced by 19% for critical operations by improving fixtures and tooling.• Demonstrated to suppliers critical items non conformances with statistical data that avoided over $110k in scraps costs.• Implemented HMI/PLC + andon lights system to capture accurate downtime data resulting in 5% improvement of machine availability.• Implementation of nondestructive evaluation system to monitor critical to quality characteristics and avoid $20k/yr in destructive test evaluation.• Welding machines stoppages reduction over 20% YOY (96 manual resistance welders, 4 shunt braiders, 12 coil winders).

2010-2014 EATON CORP. Arecibo, Puerto Rico Senior Manufacturing Engineer (OPEX Arecibo, P. R.) Assembly (09/2010 – 10/2011): Support the NRX production line (NRX 1600 New Product Development ProLaunch)Arecibo & Haina Feeders (10/2011 –02/2014): Support Punch Press (Die Stamping), AMADA Turret Presses (Sheet metal parts fabrication), Press Brake (Sheet metal bending), Brazing (Resistance & Induction), MIG/TIG & Laser Welding processes. Execute projects related to process improvement. Coordinate and apply the Eaton Business System & Environmental Safety & Health practices to meet plant operating objectives. Identify cost out opportunities by making insource of BO items or reduce labor on those produced in house. Lead durable tooling, machine refurbishment and safety improvement related capital projects aligned with plant key operating factors. • Cycle time reduced by 43% on several assembly operations by improving fixtures/processes.• Capital investment to refurbish and purchase new equipment of $1.063MM.• Cost savings projects that generated $590K by insourcing Bought outside items or reducing cycle time.• Capital invested for new punch press tooling $704k.• Machine guarding investments of $605k to remediate 34 presses and metal parts fabrication machines.

2007-2010 EATON CORP. MCCB Haina Dominican RepublicSenior Manufacturing Engineer Welding Processes (OPEX Haina, D. R.)Lead the welding processes used to join the current carrying components of the Molded Case CircuitBreakers produced at the Haina D. R. MCCB Facility. Supervise 16 technicians (Welding Engineering assistants, Setups and Tool & die makers) that support the manufacturing department. Design / Improve the fixtures used to joint components and validation tests for the welded subassemblies of the production lines. Implement Lean Manufacturing & Six Sigma tools to achieve plant operating objectives and reduce process variation. Improve the product design by analyzing brazed joint failures and statistical tendency of destructive tests (SPC). Identify cost out opportunities by replacing/reducing raw material or labor. Lead machine refurbishment and safety improvement related capital projects aligned with plant key operating factors. Processes supported: Resistance Brazing, Spot, Ultrasonic Welding & Coil winding.• Capital investments of $300k to implement updated equipment for critical operations.• Scrap reduced by 65% for welding areas (2007 vs 2008).• Successful transfer of +50 welding workstations to support 8 product families from Puerto Rico to the Dominican republic generating $600k/yr in labor savings.• Implementation of semiautomatic fixtures to improve productivity by 15% and ergonomics.

Coordinate the power service maintenance & general support for the medium & low voltage customersassigned. Redaction of the monthly government billing inform. Anomalies Identification (Low powerfactor, overloaded transformer, electric meter performance). Process development to optimize thevalidation of Government facilities energy consumption.

Execute electric drawings in the assigned facilities to keep the single line electric plans database up to date for the engineering department. Design / Implement new data acquisition process.