Sub Module 7.3: Hammers
EASA MODULE 7A Sub Module 7.3 TOOLS HAMMERS: Hammers are classified by their weight and type of head. Steel heads are forged and manufactured from high-carbon steel. Most shafts are made from straight-grained Ash or Hickory and are secured to the head by wedging. The main types of engineering hammers are : Ball Pein: The flat surface is used for most general-purpose work whilst the ball pein is used primarily for riveting-type operations. Straight Pein: Used for general work, the narrow, straight pein being particularly suitable for use where access to the work is limited. Cross Pein : As for the straight pein, but the axis of the pein is at 90° to that of the shaft. Hide/Copper Face: The rawhide facing enables heavy blows to be delivered without damaging the surface of the work, while the copper face may be used for heavier types of work than hide faced hammers . Rubber Head and Plastic Face: More modern versions of the Hide Face hammer. Can often...