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Angle Grinders. Objectives. List uses of angle grinders on a quiz with 80% accuracy. Identify the parts of an angle grinder on a handout with 100% accuracy. List the safety rules for angle grinders on a test with 100% accuracy. . Reasons To Learn.
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Objectives • List uses of angle grinders on a quiz with 80% accuracy. • Identify the parts of an angle grinder on a handout with 100% accuracy. • List the safety rules for angle grinders on a test with 100% accuracy.
Reasons To Learn • Why do we need to know how to use angle grinders? • Why is safety important when using an angle grinder?
Questions To Answer • What can angle grinders be used for? • What are some of the safety concerns when using an angle grinder? • What are the parts of an angle grinder?
Angle Grinder Parts Vent Chord Locking power switch Spindle lock button Wheel Guard Body Grinding/Cutting Wheel Auxiliary Handle Lock Nut
Things to Know • Angle grinders range from 3000-12,000 rpms • Disk sizes range from 4-9 inches • Can be fitted with sanding disks or wire wheels • Angle grinders are not the same as polishers and if used to polish they will burn paint
Safety • Wear safety glasses and a face shield when operating. • Always carry the grinder by the body never by the chord. • Keep work area clean and free of debris. • Make sure there are no flammable materials in the work area. • Always check the wheel for cracks or malformation. • Use the correct wheel for the job.
Safety Cont. • Make sure the wheel is rated for the speed of your grinder. • Where appropriate clothing: long sleeve shirt, pants without frays, and gloves. • Make sure clothes are not to loose • Use both hands while grinding or cutting. • Do not operate in wet areas • Be aware of the people around you and the direction of the discharge of metal • Do not touch metal after being worked on
Proper Use • Go through the safety list • When grinding use a 15 to 30 degree angle • Make sure you have a strong grip on the grinder • Let the grinder do the work (do not press to hard) • Do not get in a hurry • Slow down toward the end of grinding • Set the grinder on its back when done after the wheel has stopped
Summary • What can angle grinders be used for? • What are the parts of an angle grinder? • What are the sizes of angle grinders? • What are the safety precautions we need to take when using an angle grinder?
