Christopher Cheng Email and Phone Number
Current Manufacturing Engineer working on Tesla power electronics. Focused on global launch and process development of the following:- Machine Vision- Mechanical Joining (Radial Forming, Clinching, Fastening) -Dispense -Leak TestFormer Battery Pack Process Engineer with over 2 yrs of experience ramping a high volume assembly and test line.I have spent the past few years with Tesla powertrain manufacturing, solving complex, fast paced problems with a data driven, systematic approach.Key Skills: -Keyence XGX Programming for machine vision -Metrology qualification (Accuracy, Repeatability, Confusion Matrix) -SQL, Data aggregation, automation, visualization and analysis -Process Selection and Development -FPY, CT and Availability Optimization
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Sr Systems Engineer , Optimus ActuatorsTeslaCalifornia, United States -
Manufacturing Engineer, Power ElectronicsTesla May 2023 - PresentAustin, Texas, Us•Global process lead for machine vision, fastening, radial forming, leak test and TIM dispense processes.•Deployed, ramped, and transferred 5 Drive Inverter lines globally across Shanghai, Texas, and Berlin.•Launched and qualified 6 vision systems (Profilometer, 3D Cameras) across 4 global sites, achieving high accuracy (Bias), repeatability (P/T) and demonstrating industry leading metrology metrics (False Pass = 0%, False Fails < 0.5%).•Led the process development for a new joining technology within next generation charging product. -
Process Engineer, Battery PackTesla Sep 2022 - May 2023Austin, Texas, Us -
Associate Process Engineer, Battery PackTesla Jan 2021 - Sep 2022Austin, Texas, Us• Process owner for high volume GFNV battery pack assembly line. Processes include part installation, fastening, vision, leak testing, electrical testing and dispense.• Rebalanced multi station processes to integrate hardware and software for fastening tool positioning system to improve ergonomics, reduce quality escapes, and improve cycle time. • Optimized and setup manufacturing controls such as final angle, torque rate and torque rate deviation on fastening programs to improve yield by 40% and product quality (torque residuals).• Resolved product non-conformances, investigated root causes and implemented corrective actions to improve yield by up to 40-50%.• Cross functional lead for first pass yield. Drove action items and led yield improvement projects to increase overall line fpy by 4.5%. • Developed and launched new manufacturing processes (vision & fastening systems) for new products under short notice and tight timelines. • Created an automated data reporting app to provide live production critical key performance indicators on an hourly basis.• Improved issue detection and reduced tear down costs through automated python scripts utilizing API calls and sql. -
Quality Engineering InternTesla May 2020 - Aug 2020Austin, Texas, Us- Developed the inverter line control plan to document equipment and process gaps that result in the manufacturing of defective parts- Designed, prototyped and implemented a lineside tool fixture using SolidWorks to reduce occurrence by 5% of a process defect that results in loss of product function- Utilized SPC and process capability tools to identify laser welding processes with low cpk values (<1.33) and supported process improvement activities. Acquired extensive knowledge of keyhole laser welding. Presented process knowledge, failure modes and controls in a technical presentation to the engineering team. - Implemented torque testing reaction plan to improve data collection and minimize occurrence of a high RPN failure mode. Resulted in a $50k per week savings in scrap cost.- Investigated fastener rundown false pass failures using 5 why and fault injection root cause analysis. Developed and implemented equipment program controls to improve detection.- Developed and implemented revisions to multiple quality audits to standardize and improve process control -
Product Management Co-OpEthicon, Inc. Jun 2019 - Dec 2019Raritan, Nj, Us- Created comprehensive, end-to-end process characterization cascades to evaluate the impact of critical to quality attributes on 10 different manufacturing processes. - Prepared recommendations and improvements in process controls resulting in the reduction of finished good testing and a cost savings of $500k per year. - Designed and led supplier corrective action strategy to reduce risk for incoming raw material quality- Authored DOE protocol to test feasibility of manufacturing processes for a new product development project. Traveled to Puerto Rico manufacturing site to execute completion of the protocol. Documented results through a completion report.- Led collaboration with cross functional teams to decommission and obsolete low gross profit products. This included inventory destruction, equipment disposition, and supplier disengagement. Revamped the franchise procedure to align all future decommissioning projects. - Led the execution of validation activities to launch one new product code. Managed the design change documentation for other new product codes. - Coordinated multiple inter-department events to raise over $10,000 for Operation Smile, United Way and JnJ Credo. -
Environmental Health And Safety/Facilities InternL'Oréal May 2018 - Aug 2018Paris, Fr- Applied six sigma process improvement to engineer solutions for an audit observation regarding ergonomic problems with workers at conveyor stations.- Organized and optimized energy usage, forklift management, and safety incident data using Excel.- Led communication with vendors and contractors to execute facility air, water and HVAC testing- Reviewed and caught errors within hazardous waste purchase orders to save over $5000- Implemented composter to save over 20,000 lbs. of waste per year.
Christopher Cheng Skills
Christopher Cheng Education Details
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Penn State UniversityMechanical Engineering
Frequently Asked Questions about Christopher Cheng
What company does Christopher Cheng work for?
Christopher Cheng works for Tesla
What is Christopher Cheng's role at the current company?
Christopher Cheng's current role is Sr Systems Engineer , Optimus Actuators.
What schools did Christopher Cheng attend?
Christopher Cheng attended Penn State University.
What skills is Christopher Cheng known for?
Christopher Cheng has skills like Leadership, Lean Manufacturing, Arduino, Autocad, Root Cause Analysis, Failure Mode And Effects Analysis, Microsoft Powerpoint, Matlab, Health, 3d Printing, Environment, Visio.
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