|
Production > Boring/Mortising Machines
|
|
Boring and mortising machines
use boring bits or mortising chains to cut cavities in pieces of stock.
These cavities are often used in mortise and tenon joints. This shows a chain
mortising machine.
|
|
|
Fig 1 - Chain mortising machine |
|
|
|
|
|
Potential Hazard:
Possible Solutions:
Engineering Controls
- Enclose boring bits with a guard that encloses the
bit and chuck above the material being worked [1910.213(l)(2)].
- Enclose the top of the cutting chain and driving
mechanism [1910.213(l)(3)].
- Cover operating treadles with inverted U-shaped
guard to prevent accidental tripping [1910.213(l)(6)].
|
|
|
|
|
|
|
Potential Hazard:
-
Rotating parts - Clothing or hair may be caught on
rotating boring bit or mortising chain.
|
Possible Solutions:
|
|
|
|
|
|
|
Potential Hazards:
- In-running nip points - Clothing, hair, or hands may
be caught by and pulled into in-running rolls of
automatic feed.
- Flying chips - Wood chips and splinters may be thrown
by the cutting action.
- Kickbacks - Stock may be thrown back at operator.
|
Possible Solutions:
Engineering Controls
- If a counterweight is used, prevent it from
dropping by bolting it to the bar or attaching a
safety chain to it [1910.213(l)(4)].
- Cover operating treadles with inverted U-shaped
guard to prevent accidental tripping [1910.213(l)(6)].
|
|
|
|
|
|
|
|
Home | Rough Mill | Production | Assembly
Finishing/Chemicals | Packaging/Shipping | Additional References | User Guide |
| |
Back to Top 
www.osha.gov
