Safety rules for using milling machines
Milling machines require special safety precautions while being used.
- Do not make contact with the revolving cutter.
- Place a wooden pad or suitable cover over the table surface to protect it from possible damage.
- Use the buddy system when moving heavy attachments.
- Do not attempt to tighten arbor nuts using machine power.
- When installing or removing milling cutters, always hold them with a rag to prevent cutting your hands.
- While setting up work, install the cutter last to avoid being cut.
- Never adjust the workpiece or work mounting devices when the machine is operating.
- Chips should be removed from the workpiece with an appropriate rake and a brush.
Keep in mind these key points:
- Never use a horizontal milling machine without an effective cutter guard.
- Always fix the work piece in a balanced position on the table. If a vice is used it should be of robust construction and securely attached to the table.
- Never remove safety limit stops or use them as length trip stops.
- Always ensure that cutters are rotating in the correct direction
- Always stop the cutter spindle when not actually cutting
- Always isolate the machine when changing a cutter or arbor use an arbor support when required
- Handle milling cutters carefully – they have sharp edges
- Always replace the gear train cover on a dividing head after adjustment
- Use knee braces when required
- Never use a milling machine cutter with even one damaged tooth
- Never use damaged adaptors, taper sockets, taper shanks, etc.
- Never remove a component from the table by inserting the fingers in a tenon or tee slot.
- Always ensure that the draw bolt on a vertical milling machine is properly engaged or tightened.
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- Shut the machine off before making any adjustments or measurements.
- When using cutting oil, prevent splashing by using appropriate splash guards. Cutting oil on the floor can cause a slippery condition that could result in operator injury
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