1. Thaddeus Stevens College of Technology
SAFETY Lathe Safety
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

2. OBJECTIVES
Understand and discuss the necessity of using correct Personal Protective Equipment (PPE) when operating a lathe.
Discuss and review basic machining practices that increase worker safety while operating a lathe.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

3. Lathe Safety
Make sure you understand instructions and are properly trained before operating a lathe.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

4. Lathe Safety Dress appropriately and wear required PPE.
Do not wear jewelry.
Cover or tie up long hair.
Do not wear gloves when operating lathe.
Do not wear loose clothing.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

5. Lathe Safety Get help when lifting heavy parts or chucks.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

6. Lathe Safety Check part frequently when turning between centers.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

7. Lathe Safety
Turn faceplate or chuck by hand to check for interference before starting machine.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

8. If chips become tangled, stop machine before removing.
Lathe Safety
Do not try to remove chips with hands.
If chips become tangled, stop machine before removing.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

9. Check cutting tool clearance at end of cut.
Lathe Safety
Check cutting tool clearance at end of cut.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

10. Move cutting tool clear of work area before repositioning the part.
Lathe Safety
Move cutting tool clear of work area before repositioning the part.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

11. Lathe Safety
Avoid talking to coworkers while running a lathe or any other machine tool.
A monkey walks into a bar …
Did you see that …
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

12. Always remove chuck key from chuck when not specifically using key.
Lathe Safety
Always remove chuck key from chuck when not specifically using key.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

13. Tools should never be placed on the bed ways.
Lathe Safety
Tools should never be placed on the bed ways.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

14. Lathe Safety
When filing in a lathe, files must be equipped with appropriate handles.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

15. If any odd noise or vibration develops, stop machine and get help.
Lathe Safety
If any odd noise or vibration develops, stop machine and get help.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

16. Remove sharp corners & burrs from parts before removing from machine.
Lathe Safety
Remove sharp corners & burrs from parts before removing from machine.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

17. Never clean machine or yourself with compressed air-gun.
Lathe Safety
Never clean machine or yourself with compressed air-gun.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

18. Do not place hands on parts or chucks while turning in the lathe.
Lathe Safety
Do not place hands on parts or chucks while turning in the lathe.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

19. Do not leave lathe unattended while it is running.
Lathe Safety
Do not leave lathe unattended while it is running.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

20. Lathe Safety Review
When operating a lathe, what must the operator avoid wearing?
When lifting heavy parts and or lathe chucks, you must:
A) Breath deeply and grunt B) Get help
When machining between centers you must check part frequently.
True or False
Never turn chuck or faceplate by hand before turning on machine.
True or False
When measuring a part that is being turned in the lathe:
A) always use a micrometer B) stop machine first
C) make sure part is held tightly D) do it quickly
Do Not attempt to remove turnings/chips with your hands.
A) True or false
To safely remove chips from the lathe you must always:
A) use a rag B) shut off machine first C) get help
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

21. Lathe Safety Review
It is not always necessary to check tool clearance at the end of a cut.
True or False
Move cutting tool away from part before repositioning part.
When operating any machine tool, you must avoid talking:
A) when machine is running B) only when feed is engaged
C) when working on precision parts
The chuck key can be left in a lathe chuck:
A) when reaching for coffee cup B) when measuring
C) never
Only small tools can be placed on bed ways.
If any unusual noise or vibration develops
A) Finish cut before stopping machine B) increase RPMs
C) stop machine and get help
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

22. Questions ?
©Ronald C. Schwartz/Thaddeus Stevens College of Technology