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WEL COME TO COE RAC SECTOR. MODULE 1. BASIC WORKSHOP PRACTICE. LESSON 15. HACKSAW FRAME AND BLADE. OBJECTIVES. Identify the parts of a hacksaw frame Specify hacksaw blade. State the different types of hacksaw frame and their uses. Parts of hacksaw frame.
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MODULE 1 BASIC WORKSHOP PRACTICE
LESSON 15 HACKSAW FRAME AND BLADE
OBJECTIVES • Identify the parts of a hacksaw frame • Specify hacksaw blade. • State the different types of hacksaw frame and their uses.
Parts of hacksaw frame The hand hacksaw is used along with a blade to cut metals of different sections it is also used to cut slots and counters
Types of Hacksaw Frames • The two diiferenrs types of hacksaw frames are • Solid frame • Adjustable frame • a. Adjustable flat type • b. Adjustable tubular type
1.Solid frame • Only a particular standard length of blade can be fitted to this frame
2. Adjustable Hacksaw frame Different standard lengths of blade can be fitted ti this frame
Hacksaw Blades A hacksaw blade is a thin narrow steel band with teeth and two pin holes at the ends. It is used along with a hacksaw frame. The blade is made either low alloy steel (HS) and is available in standard lengths of 250 mm and 300 mm .
Type of hacksaw blades • All hard blades • Flexible blades
Pitch of the blade The distance between adjacent teeth is known as the pitch of the blade
Setting of the saw Wave setting Staggered setting