3D printing operations typically utilize combustible powders or metals, an inert gas supply, or a combustible dust collection system. These systems create a hazardous (classified) location area or zone outside the equipment.
Please note that the use of Industrial 3D Printers must adhere to the policy outlined in ES&H Manual Chapter 12, Work Process U.
Intended Application and Placement
These 3D printers are intended for manufacturing or production environments. They are typically operated in restricted-access areas with engineered ventilation, enclosures, and administrative controls. Typical settings include:
- Manufacturing floors
- Tool rooms
- Production labs
- Machine shops
- Equipment fabrication areas
Defining Characteristics
- Size & Output: Large format or high-throughput systems.
- Temperature: High-temperature processes depending on the application.
- Enclosure: A fully enclosed system with a dedicated exhaust may be required.
- Classification: Considered a manufacturing process under OSHA guidance.
Advanced Materials Used
- Carbon fiber composites
- High-temperature polymers (PEEK, PEI)
- Metal powders (SLM/DMLS)
- Resins with reactive chemistries
Safety, Controls, and Compliance
- Monitoring: Established based on the Hazard Assessment results.
- Controls: Engineering controls by design and specific PPE may be required.
- Evaluation: Final safety requirements will be determined by a Hazard Assessment.
Mandatory Permitting
An operational permit that assesses fire risk and Fire Code regulations will be issued by the Berkeley Lab Fire Marshal’s Office. This permit is required for the use of any Industrial 3D printer.
