1. Vertical Milling Machine Safety
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

2. OBJECTIVES
Review and discuss safety measures related to the vertical milling machine.
Discuss basic machining practices that reduce the chance of injury.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

3. Vertical Milling Machine Safety
PROTECT your eyes. Wear safety glasses with side shields at all times.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

4. Vertical Milling Machine Safety
PROTECT your eyes. Wear safety glasses with side shields at all times.
DO NOT get caught in moving parts. Remove gloves, watches, rings, jewelry, neckties, loose- fitting clothes. Roll up sleeves above elbow.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

5. Vertical Milling Machine Safety
PROTECT your eyes. Wear safety glasses with side shields at all times.
DO NOT get caught in moving parts. Remove gloves, watches, rings, jewelry, neckties, loose- fitting clothes. Roll up sleeves above elbow.
KEEP your hair away from moving parts. Tie it back and up.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

6. Vertical Milling Machine Safety
PROTECT your feet. Always wear safety shoes with steel toes and resistant soles.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

7. Vertical Milling Machine Safety
PROTECT your feet. Always wear safety shoes with steel toes and resistant soles.
Gloves are easily caught in moving parts. TAKE THEM OFF before you turn on the machine.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

8. Vertical Milling Machine Safety
PROTECT your feet. Always wear safety shoes with steel toes and resistant soles.
Gloves are easily caught in moving parts. TAKE THEM OFF before you turn on the machine.
Loose objects can become flying projectiles. REMOVE all loose items (wrenches, chuck keys, rags, etc.) from machine before starting.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

9. Vertical Milling Machine Safety
NEVER operate a machine tool after taking strong medication, using non-prescription drugs or consuming alcoholic beverages.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

10. Vertical Milling Machine Safety
NEVER operate a machine tool after taking strong medication, using non-prescription drugs or consuming alcoholic beverages.
Protect your hands. STOP the spindle completely BEFORE changing tools.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

11. Vertical Milling Machine Safety
NEVER operate a machine tool after taking strong medication, using non-prescription drugs or consuming alcoholic beverages.
Protect your hands. STOP the spindle completely BEFORE changing tools.
Protect your hands. STOP the spindle completely BEFORE you load or unload a work piece.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

12. Vertical Milling Machine Safety
NEVER operate a machine tool after taking strong medication, using non-prescription drugs or consuming alcoholic beverages.
Protect your hands. STOP the spindle completely BEFORE changing tools.
Protect your hands. STOP the spindle completely BEFORE you load or unload a workpiece.
STOP the spindle completely BEFORE you clear chips or oil. Use brush or chip scraper. Never use your hands.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

13. Vertical Milling Machine Safety
STOP the spindle completely BEFORE you take measurements.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

14. Vertical Milling Machine Safety
STOP the spindle completely BEFORE you take measurements.
STOP the machine BEFORE you change or adjust belts, pulleys, or gears. Be sure finger guard is closed before turning on the spindle.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

15. Vertical Milling Machine Safety
STOP the spindle completely BEFORE you take measurements.
STOP the machine BEFORE you change or adjust belts, pulleys, or gears. Be sure finger guard is closed before turning on the spindle.
PREVENT cutter breakage. Rotate spindle in clockwise direction for right-hand tools, counter- clockwise for left-hand tools.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

16. Vertical Milling Machine Safety
PROTECT your eyes and the machine. Never use a compressed air hose to remove chips.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

17. Vertical Milling Machine Safety
PROTECT your eyes and the machine. Never use a compressed air hose to remove chips.
PROTECT your hands. Keep hands and arms clear of spindle start switch when changing tools.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

18. Vertical Milling Machine Safety
PROTECT your eyes and the machine. Never use a compressed air hose to remove chips.
PROTECT your hands. Keep hands and arms clear of spindle start switch when changing tools.
PREVENT part and cutter damage. Never start the machine when the cutter is in contact with the part material.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

19. Vertical Milling Machine Safety
PROTECT your eyes and the machine. Never use a compressed air hose to remove chips.
PROTECT your hands. Keep hands and arms clear of spindle start switch when changing tools.
PREVENT part and cutter damage. Never start the machine when the cutter is in contact with the part material.
Use proper cutting speeds.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

20. Vertical Milling Machine Safety
DO NOT slip. Keep your work area clean and dry. Remove chips, oil, and obstacles.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

21. Vertical Milling Machine Safety
DO NOT slip. Keep your work area clean and dry. Remove chips, oil and obstacles.
NEVER lean on your machine. Stand away when the machine is running. Never leave your machine unattended while it is running.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

22. Vertical Milling Machine Safety
DO NOT slip. Keep your work area clean and dry. Remove chips, oil and obstacles.
NEVER lean on your machine. Stand away when the machine is running. Never leave your machine unattended while it is running.
PREVENT objects from flying loose. Securely clamp and locate part material. Use stop blocks where necessary. Keep clamps clear of cutter path.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

23. Vertical Milling Machine Safety
Dull and damaged tools break easily. Inspect tools and tool holders. Keep tools sharp. Keep tool overhang short.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

24. Vertical Milling Machine Safety
Dull and damaged tools break easily. Inspect tools and tool holders. Keep tools sharp. Keep tool overhang short.
PREVENT fire. Keep flammable liquids and materials away from work area and hot chips.
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

25. Review Questions
You can clamp or measure a part with the spindle on if you move the work away from the spindle. T or F
It’s considered a good practice to use dull or chipped tools on low accuracy parts. T or F
To clear chips from the machine
A) use an air hose B) stop spindle and use air hose
C) stop spindle and use brush or tool D) use gloves
Before you operate the machine
A) make sure the operator floor is clean and dry
B) read the safety and operations manual
C) remove loose tools and other items from machine
D) make sure work is securely held on the table
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

26. Review Questions The spindle should rotate Do not operate the machine
A) in both directions
B) only in direction the cutting tool is designed to cut in
C) clockwise
D) counter clockwise
Do not operate the machine
A) with jewelry, rings, or watches on
B) with long sleeves or a necktie on
C) with long hair that is not tied back
D) without safety shoes
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

27. Review Questions It’s OK to wear gloves
A) When the machine spindle is on
B) when the machine spindle is off
C) to protect hands from hot chips when machining parts
D) to brush away chips
To prevent parts and tools from breaking or moving
A) use stop blocks
B) hold part steady with hand(s)
C) keep tool overhang as short as possible
©Ronald C. Schwartz/Thaddeus Stevens College of Technology

28. QUESTIONS?
©Ronald C. Schwartz/Thaddeus Stevens College of Technology