David Hartley
CNC Maintenance Advisor
CNC Inspection Repair Guides
David Hartley has spent 15 years on the shop floor documenting maintenance procedures for CNC machines. He focuses on spindle runout, bearing symptoms, and toolholder stability, ensuring that repair notes are clear and actionable. He supports machine shops with practical field notes and inspection checklists.
Worked as a maintenance technician and later as a documentation specialist for a mid-sized manufacturing company, creating repair intake documentation and operator inspection records.
- spindle runout
- bearing symptoms
- toolholder stability
- CNC setup repeatability
- machining finish drift
- maintenance handoff notes
- lubrication checks
- repair intake documentation
- operator inspection records
- machine tool troubleshooting