Precaution is meant by a measure taken in advance to avoid danger in order to secure good result. When we handling a machine, precautions have to be taken in order to secure good result of the workpiece and personal safety. The precautions when operating milling machine as shown below:
1.) Avoid performing a machining operation on the milling machine until you are thoroughly familiar with how it should be done.
2.) Some materials that are machined produce chips, dust-, and fumes that are dangerous to your health. NEVER machine materials that contain asbestos, Fiberglass, beryllium, and beryllium copper unless you are fully aware of the precautions that must be taken.
3.) Maintain cutting fluids properly. Discard them when they become rancid or contaminated.
4.) Be sure the cutter rotates in the proper direction. Expensive cutters can be quickly ruined.
5.) Carefully store milling cutters, arbors, collets, adapters, etc., after each use. They can be damaged if not stored properly.
6.) Never start a cut unless you are sure there is adequate clearance on all moving parts!
7.) Exercise care when handling long sections of metal. Accidentally contacting a light fixture or busbar can cause severe electrical burns and even electrocution!
8.) Carefully read instructions when using the new synthetic oils, solvents, and adhesives. Many of them dangerous if NOT handled correctly.
9.) Use adequate ventilation for jobs where dust and fumes are a hazard. Return oils and solvents to proper storage. Wipe up spilled fluids. Do NOT pour used coolants, oil, solvents, etc., down a drain.