Hammers and Mallets (Junior Cert Wood Technology): Revision Notes

Hammers and Mallets

Overview

• Hammers and mallets are essential tools in woodworking.
• They are used for building, taking apart, and shaping workpieces.

Definitions

• Hammer: A tool with a heavy metal head on a handle, mainly for hitting nails or breaking objects.
• Mallet: A type of hammer with a large, softer head made from materials like wood, rubber, or rawhide. It is usually used to hit chisel handles and put joints together without damage.
• Wooden Mallet: Made from hardwood like beech, with a tapered handle for a secure hold, it is used in woodworking for tasks like mortising and chiselling.

Differences Between Hammers and Mallets

• Structural Differences:
  • Hammers have metal heads designed for impact.
  • Mallets have softer heads to prevent marking surfaces.
• Materials:
  • Hammers are made from hard metals.
  • Mallets have heads made from wood, rubber, or plastic.
• Weight:
  • Hammers: Heavier, meant for tasks needing more force.
  • Mallets: Lighter, for controlled, gentle force.
• Applications:
  • Hammers: For driving nails and breaking objects.
  • Mallets: For precise work like chiselling and fitting wood joints.
• Example Scenarios:
  • Hammer: Used to drive nails into a frame.
  • Wooden Mallet: Used for tapping joints and chiselling.

Functions and Types of Hammers and Mallets

• Hammers
  • Claw Hammer: Used for driving and removing nails in carpentry.
  • Ball-peen Hammer: Mainly for metalworking tasks.
• Mallets
  • Wooden Mallet: Best for precision in woodworking; avoids surface damage.
  • Rubber Mallet: Suitable for lighter tasks; delivers non-marring impacts.
• Specialised Use of Wooden Mallets:
  • Perfect for mortising, chiselling, and ensuring accurate woodworking joints.

Mallet Construction

• Materials: Typically made of kiln-dried solid beech.
• Manufacturing Techniques:
  • Kiln-drying greatly boosts durability by reducing moisture, stopping cracks.
  • The handle is tapered for a snug fit, preventing it from coming off.

Safety and Best Practices

• Safety Gear: Always wear gloves and goggles.
• Inspection: Regularly check for cracks and splinters.
• Handling: Use a proper grip and stance.
• Tool Selection: Choose the appropriate tool—hammers for metalwork and mallets for woodworking—to avoid misuse or damage.

Summary