Page 35 - CITS - Fitter - Trade Theory
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FITTER - CITS



           a  Frame
              1  Made from either tube or a solid flat.

              2  Fixed or adjustable.
           b  Handle Straight wooden or piston grip type made of metal.
           c  Holding pins
              1  Also called prongs.
              2  Made zinc alloys.

           d  Wing nut
              1  Known as fly nut.
              2  Driven by the thumb & made of steel.
           Types of hacksaw frames

           Solid frame
           Only a blade of a particular standard length can be fitted to this frame. e.g 300 mm or 250 mm.
           Adjustable frame
           Different standard lengths of blades can be fitted to this frame i.e. 250 mm and 300 mm.
           a  Flat type

           b  Tubular type.
           c  Used for engineering work:– coping saw & jewellers saw.


           Used
           Pierced decorative scroll work such as book ends, bracelets, letter openers & ornaments, cut from copper, brass,
           pewter’s etc.

           Any other types
           a  Tubular Type Adjustable
           b  Pistal Grip Adjustable

           c   Deep Cutting Frame

           a  Tubular Type Adjustable: Fabricated Sheet handle. Size adjustable to 250 mm & 350 mm. Categories.

           b  Pistal Grip Adjustable: Comfort pistol grip handle with
           c  Patented pattern for better grip & control. Allows
           d  Positioning of the blade at 90°
           e  Deep Cutting Hacksaw Frame:Deep Cutting Hacksaw Frame is of ‘U’ shape, it is also a frame made to use
              blades of same length like fixed hacksaw frame. But its depth is kept very high, due to which it does not get
              stuck in the job even after deep cutting.


















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                                             CITS : CG & M - Fitter - Lesson 3
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