Machining Processes

Machining Processes

1. Engineered products often need the removal of additional material this is called SECONDARY MACHINING or FORMING

   • TURNING
     • Use of a Lathe to make generally a round/Cylindrical shape
       • Work is held by a chuck and rotates
         • A cutting tool is used to shape the work
     • Facing off - leaving flat surface on end of work not in chuck
       • Drilling - Removing the inside of work with a drill bit
         • Parallel Turning - Removing material from work but keeping it the same size througout
           • Taper Turning - using a cutting tool at an angle to create a conical shape
             • Parting Tool - tool used to cut off the work at the correct length
   • MILLING
     • This machine has a spindle that holds a rotating cutter. The work is clamped down and the machine cuts the work to the desired shape.
     • Two Types of Milling Machine
       • Hoizontal
       • Vertical
   • DRILLING
     • Creating a circular hole in work using a drill bit
     • Different drill bits are used for different materials
       • Wood
       • Metal
       • Masonry (Concrete/Stone)

2. SAFETY Accidents are normally caused by loose clothing,flying pieces of material, hand coming into contact with moving parts, Minor burns. SO THE CORRECT PROTECTIVE CLOTHING/EQUIPMENT IS NEEDED (Goggles, Apron etc)

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