Troy Comstock
Constantine
Overview
38
38
years of professional experience
1
1
Certification
Work History
CAD/CAM Manager
Mayer Tool & Engineering
Bristol
01.2020 - Current
- Lead CAD/CAM programming and machining workflow for complex mold components and precision parts.
- Supervise and mentor a team of CNC machinists and programmers (1–5 employees), ensuring productivity, accuracy, and safe operating practices.
- Develop, optimize, and troubleshoot CNC programs (G-code/M-code) to improve efficiency and reduce cycle times.
- Oversee tooling selection, setup planning, and manufacturing methods to support lean production.
- Manage CAD file control, revision tracking, and integration between engineering and manufacturing.
- Conduct root-cause analysis for machining issues, and implement corrective actions.
- Collaborate with engineering and quality teams to ensure dimensional accuracy and adherence to GD&T standards.
- Train new team members in CAD/CAM software, CNC operation, and quality inspection techniques.
CNC Machinist/Programmer
Mayer Tool & Engineering
Sturgis
01.2015 - 01.2020
- Programmed and operated CNC mills and lathes, producing high-precision mold components and machine parts.
- Interpreted complex blueprints and CAD models to generate accurate toolpaths.
- Performed machine setups, tool changes, first-piece inspections, and adjustments to maintain tolerances.
- Assisted supervisors with workflow planning, job scheduling, and machining strategy improvements.
- Contributed to preventive maintenance efforts, ensuring machine reliability and uptime.
CNC Machinist/Programmer
Chassix
Bristol
01.1995 - 01.2015
- Programmed and operated multi-axis CNC equipment in a high-volume automotive manufacturing environment.
- Maintained tight tolerances on aluminum cast components using advanced machining, probing, and inspection techniques.
- Optimized programs to reduce scrap and improve throughput.
- Collaborated with engineering on fixture design, tooling improvements, and process standardization.
- Trained new operators on safety procedures, machine operation, and quality checks.
Machinist Mate – Petty Officer Second Class
United States Navy
San Diego
01.1988 - 01.1992
- Operated and maintained mechanical, hydraulic, and steam systems aboard naval vessels.
- Performed precision mechanical repair work, troubleshooting, and preventive maintenance.
- Ensured strict adherence to operational safety, documentation standards, and chain of command.
- Enhanced teamwork, discipline, and leadership skills leveraged throughout civilian career.
Education
Mold Making, CNC Programming, CAD - Mold Maker Apprenticeship
Lake Michigan College
Benton Harbor, MI01.2005
Skills
- CNC programming (G-code and M-code)
- CNC milling and lathe operation
- CAD/CAM
- Computer-Aided Manufacturing software
- Geometric Dimensioning and Tolerancing
- Mold making and injection molding
- Tooling setup
- Precision measurement
- Metal machining and fabrication
- CNC team leadership
- Workflow planning and scheduling
- Training and mentoring staff
- Quality control
- Process improvement
- Cross-department collaboration
- Forklift operation
- Welding
Certification
Journeyman Mold Maker / Machinist, 01/01/13, Active
Leadership Management Skills
- CNC team leadership (1–5 team members)
- Workflow planning & scheduling
- Training & mentoring staff
- Quality control & root-cause analysis
- Process improvement & lean manufacturing
- Cross-department collaboration (engineering, QA, production)
Timeline
CAD/CAM Manager
Mayer Tool & Engineering
01.2020 - Current
CNC Machinist/Programmer
Mayer Tool & Engineering
01.2015 - 01.2020
CNC Machinist/Programmer
Chassix
01.1995 - 01.2015
Machinist Mate – Petty Officer Second Class
United States Navy
01.1988 - 01.1992
Mold Making, CNC Programming, CAD - Mold Maker Apprenticeship
Lake Michigan College