Gary Crabtree
Knoxville,TN
Summary
Dimensional Inspection/Machinist with over 10 years of experience in precision machining, dimensional inspection, and calibration. Experienced in GD&T (ASME Y14.5), CMM programming and operation, CNC machining, and fabrication of high-tolerance components. Proven ability to interpret complex technical drawings, generate compliant inspection reports, and work safely in regulated, high-reliability environments
Overview
11
11
years of professional experience
Work History
Dimensional Inspector
CNS Y-12
Oak Ridge, TN
06.2021 - Current
- Perform CMM and final inspections ensuring all components meet DOE and customer specifications.
- Operate and program Brown & Sharpe, PMM-C, and Zeiss CMMs for precision verification.
- Apply GD&T principles to inspect tight-tolerance and complex geometries.
- Coordinate with engineering and production to resolve quality issues efficiently.
- Recognized by supervisors and peers for dependability, accuracy, and readiness for advanced responsibilities.
- Helped improve inspection throughput through refined CMM programming and workflow improvements.
- Supported training of new inspectors and maintained accurate audit documentation.
Machinist
CoorsTek
Oak Ridge, TN
06.2020 - 06.2021
- Produced high-precision ceramic components using CNC lathes and mills.
- Programmed and optimized machining operations in Mastercam, improving accuracy and reducing cycle times.
- Managed 5th-axis machining operations with tolerances as tight as ±.0005".
- Collaborated with engineers and inspectors to maintain dimensional integrity and surface finish standards.
- Maintained strict adherence to 5S and Lean principles.
Machinist
Crossridge Precision
Oak Ridge, TN
09.2019 - 06.2020
- Set up and operated mills and lathes to manufacture high-tolerance metal components.
- Worked with HAAS, Mori, and Okuma equipment to meet aerospace and industrial specifications.
- Supported process improvement initiatives that reduced setup times and tooling changeovers.
- Recognized for strong communication and teamwork in production operations.
Machinist
CoorsTek
Oak Ridge, TN
11.2014 - 09.2019
- Operated and programmed CNC mills and lathes for precision ceramic parts.
- Developed and adjusted Mastercam toolpaths for evolving production needs.
- Maintained tolerances between ±.005" and ±.0005".
- Assisted peers with troubleshooting setups and safe work practices.
- Contributed to continuous improvement projects enhancing efficiency.
- Maintained a strong record of on-time delivery and production efficiency.
Education
Associate of Applied Science - Mechanical Engineering Technology
Pellissippi State Community College
Knoxville, TN01.2026
GED -
TCAT Knoxville
Knoxville, TN08.2019
Skills
- Dimensional Inspection
- Team collaboration
- Peer mentorship
- CMM operation
- GD&T interpretation
- Root cause analysis
- Workflow optimization
- Continuous improvement
- Lean methodologies
- 5S implementation
- Final inspection
- In-process inspection
- CNC setup and programming
- Effective communication
- Mastercam programming
- Blueprint reading
- Dimensional verification
- Cross-functional support
- M&TE management
- Calibration techniques
- audit support
- documentation support
- Safety and compliance oversight
Accomplishments
- Obtained and maintain DOE Q Clearance with an exemplary compliance record.
- Improved CMM inspection throughput and accuracy at Y-12.
- Frequently recommended by supervisors and peers for leadership consideration.
- Contributed to successful DOE quality audits through precise documentation and process control.
- Supported efficiency improvements that reduced inspection cycle times.
- Implemented 5th-axis machining techniques for advanced component fabrication.
Timeline
Dimensional Inspector
CNS Y-12
06.2021 - Current
Machinist
CoorsTek
06.2020 - 06.2021
Machinist
Crossridge Precision
09.2019 - 06.2020
Machinist
CoorsTek
11.2014 - 09.2019
Associate of Applied Science - Mechanical Engineering Technology
Pellissippi State Community College
GED -
TCAT Knoxville