Elementary Knowledge of Metalworking Part 1

Chapter 1. Basic Machining and Tips :

  • Machining Flowchart : Outline and flow of machining.
  • Removal of Burrs : The most important tip for making accurate parts.
  • Measurements : How to use calipers and a micrometers.
  • Dimensional Tolerance : Importance of dimensional deviation.
  • Marking-off : Marking-off is required for accuracy.
  • Drilling : Elementaly Knowledge of the drilling.
  • Marking-off and Drilling a Cylinder : How to drill circumference holes on a cylinder.
  • Making a Screw Thread : How to cut inside and outside threads.
  • Grinders : A useful tool for machining.
  • Metal Materials : Typical mechanical materials.

Chapter 2. Cut-off Machines and Tools :

Before using a lathe or a milling machine, the material must be cut to a suitable size. Here we discuss how to cut the material.

  • Bandsaw : This saw cuts boards.
  • Power Hacksaw : This saw cuts long pieces to size.
  • Hand Hacksaw : For cutting short and thin material.
  • Guillotine : Cuts thin plate or sheet metal quickly.
  • Drop Saw : Cuts angle or pipe quickly.
  • Oxy-Acetylene Cutting : How to cut with acetylene gas.
  • Other Cut-off Tools : Metal scissors, cutting pliers, a nipper and a stationery cutter and others.

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