Machine tool - Boring, Drilling, Milling

machine tool

Table of Contents

Introduction
History
Machine-tool characteristics
Cutting tools
- Tool materials
  - Carbon steel
  - High-speed steel
  - Cast alloys
  - Cemented tungsten carbide
  - Oxides
  - Diamonds
- Cutting fluids
Basic machine tools
- Turning machines
- Shapers and planers
- Drilling machines
- Milling machines
- Grinding machines
- Power saws
- Presses
Modifications of basic machines
- Turret lathes
- Multiple-station machines
- Gang drills
- Production millers
Special-purpose machines
- Gear-cutting machines
- Broaching machines
- Lapping and honing machines
- Boring machines
Automatic control
- Tracer techniques
- Numerical control (NC)
Computer-aided machining
- Computer numerical control (CNC)
  - Adaptive control
  - Machining centres
  - Computer-aided design and computer-aided manufacturing (CAD/CAM)
- Robots
- Flexible manufacturing system (FMS)
- Computer-integrated manufacturing
Nonconventional methods of machining
- Electrical methods of machining
  - Electron-beam machining (EBM)
  - Electrical-discharge machining (EDM)
  - Electrochemical machining (ECM)
  - Ion beam machining (IBM)
  - Laser machining (LM)
  - Plasma arc machining (PAM)
- Other methods of machining
  - Ultrasonic machining (USM)
  - Chemical machining (CHM)
  - Photochemical machining (PCM)
  - Water-jet machining

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Boring can be done on any type of machine that is equipped to hold a boring tool and a workpiece and that is also equipped to rotate either the tool or the workpiece in the proper relationship. Special boring machines of various designs are used for boring workpieces that are too large to be mounted on a lathe, drill press, or milling machine. Boring and turning operations are also performed on large vertical turret lathes or on larger boring mills. Standard boring machines are able to bore or turn work of up to 12 feet (3.6 metres) in diameter. To ...(100 of 6816 words)

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