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Ultimate Guide to Boring Machines: Types, Operations, and Components

Learn about the most versatile machine tools used for boring holes in large and heavy parts that are difficult to handle in traditional lathes or drilling machines. Explore horizontal and vertical boring machines, their types, main components, precision operations, and more.

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Ultimate Guide to Boring Machines: Types, Operations, and Components

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  1. Boring MEEG 217 Suraj Pandey

  2. Introduction • One of the most versatile machine tools; used to bore holes in large and heavy parts as engine frames, machine housings etc which are practically impossible to hold and rotate in an engine lathe or in a drilling machine. • Also drilling, milling and facing can be preformed with equal facility. • Along with attachments screw cutting, turning, grinding or gear cutting can also be performed.

  3. Types • Horizontal boring machine: • The work is supported on a table which is stationary and tool revolves in a horizontal axis. • Can perform boring, reaming, turning, threading, facing, milling , grooving and many other operations with suitable tools. • Work piece which are heavier and asymmetrical can be easily held and machined. • Different types has been designed to suit the different purpose.

  4. Horizontal Boring Machine

  5. Horizontal Boring Machine

  6. Line Boring Machine

  7. Types • Vertical Boring Machine: • The work rotates on a horizontal table about a vertical axis and the tool is stationary except for feed. • Machine may look like a vertical lathe. • Larger diameter and heavy work pieces, can be set up more quickly than in lathe. • Multiple tooling may be adapted with its turret type tool post, increasing the rate of production.

  8. Vertical Boring Machine Main Components • Bed • Table • Housing • Cross rail • Tool-head Assembly

  9. Vertical Boring Machine

  10. Vertical Boring Operations

  11. Vertical Boring Operations

  12. Precision Boring Machine • It uses a single point cutting tools to machine surfaces rapidly and accurately. • Cemented carbide and diamond tipped tools are operated at a very high cutting speed to produce accurately sized holes with fine surface. • Jig boring machine is a precision boring machine, resembles to vertical milling machine in construction. • Accurate positioning of holes is achieved by Lead screw method or Mechanical / Electrical Gauging method or Optical measuring method.

  13. Precision Boring Machine Jig Boring Machine

  14. End of Boring

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