Metalworking Machines

What is a lathe used for in metalworking?

• A lathe is used for polishing metal surfaces only.

• A lathe is used for welding metal pieces together.

• A lathe is used for shaping and machining metal by rotating the workpiece against cutting tools.

• A lathe is used for cutting wood into shapes.

Name three types of metalworking machines.

• lathes, milling machines, grinders

• sharperner

• saws

• presses

What safety gear is essential when operating metalworking machines?

• Safety glasses, hearing protection, gloves, and steel-toed boots.

• Short sleeves and a baseball cap

• Regular shoes and earplugs

• Sunglasses and flip-flops

What is the purpose of a milling machine?

• To drill holes in metal only

• The purpose of a milling machine is to shape and cut materials by removing excess material from a workpiece.

• To polish surfaces without cutting

• To assemble parts together

List two common metalworking tools.

• drill

• hammer, lathe

• wrench

• screwdriver

Why is it important to wear safety goggles in metalworking?

• To enhance visibility in low light conditions.

• It is important to wear safety goggles in metalworking to protect the eyes from flying debris and harmful substances.

• To keep the face warm during cold metalworking.

• To improve airflow while working with metals.

What type of metal is commonly used for making tools?

• Lead

• Steel

• Aluminum

• Copper

What safety measures should be taken when using a grinder?

• Use the grinder without any protective gear

• Operate the grinder while distracted by phone notifications

• Ignore the manufacturer's instructions

• Wear PPE, check for damage, secure the wheel, follow instructions, and keep a safe distance.

What is the difference between ferrous and non-ferrous metals?

• Ferrous metals contain iron; non-ferrous metals do not.

• Ferrous metals are used exclusively in construction.

• Non-ferrous metals are more magnetic than ferrous metals.

• Ferrous metals are lighter than non-ferrous metals.

How does heat treatment affect metal properties?

• Heat treatment has no effect on metal properties.

• Heat treatment decreases the strength of metals.

• Heat treatment can enhance hardness, ductility, and relieve internal stresses in metals.

• Heat treatment makes metals more brittle.