Horizontal boring machine

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Floor-Type Horizontal Boring Mill producer LAZZATI model HB 160MM Evo4.0 with rotary travelling table, automatic tool changer and automatic head changer Alesatrice a Montante Mobile marca LAZZATI modello HB 160MM Evo4.0.jpg
Floor-Type Horizontal Boring Mill producer LAZZATI model HB 160MM Evo4.0 with rotary travelling table, automatic tool changer and automatic head changer

A horizontal boring machine [1] is a machine tool used to enlarge an already drilled or cast hole with high precision. It ensures the required diameter, coaxiality, and concentricity within very tight tolerances, often up to the micrometer level in high-precision boring machines.

Contents

History

The first boring machine was created by John Wilkinson in 1775. The term "boring" comes from the Old French alaisier, meaning "to widen," which itself derives from the Latin latus, meaning "wide."

Example of Table Type Boring Mill producer LAZZATI model HB 150T Evo4.0 installed at a final user in foundation and completed by full protection guards Alesatrice LAZZATI HB 150T Evo4.0 installata.jpg
Example of Table Type Boring Mill producer LAZZATI model HB 150T Evo4.0 installed at a final user in foundation and completed by full protection guards

Boring technology was further developed in the 19th century as a method to improve the machining of industrial machine components. Early boring machines were manually operated, but with advancements in automation and Computer Numerical Control (CNC), modern boring machines now offer unparalleled precision and efficiency.

How It Works

A boring machine operates by rotating a cutting tool while the workpiece remains stationary or moves along a guided axis. The main movements involved in boring are:

CNC-controlled boring machines allow for automatic adjustments, ensuring high repeatability and minimal operator intervention.

Types of Horizontal Boring Machines

Horizontal boring machines are classified based on the morphology of the structure and their intended application:

CNC Horizontal Boring Machines

Modern boring machines are equipped with Computer Numerical Control (CNC), allowing for automated, repeatable, and highly precise machining. These machines integrate advanced systems such as:

Used in high-precision industries, including aerospace, energy, and defense.

CNC Technology and Productivity Improvements

The introduction of CNC technology has transformed boring machines, offering:

Industrial Applications

Boring machines are used in a wide range of industrial applications, including:

Boring vs. Milling: Key Differences

Unlike milling machines, which primarily remove material from a workpiece’s surface, boring machines specialize in internal hole finishing.

Boring machines often incorporate a spindle quill, allowing for deep-hole machining with minimal deflection—providing superior precision compared to standard milling operations.

Advantages of Boring Machines

Major Manufacturers

Well-known manufacturers of boring machines include Lazzati, [2] Pama, [3] FPT, [4] Bragonzi, and SMT(Skoda), [5] which specialize in high-performance machine tools for industrial applications. Italian machine tool manufacturers are globally recognized for their innovation and quality. Commonly Lazzati, Pama and SMT(Skoda) are recognized as top class hydrostatic horizontal boring mill manufacturers worldwide. [6]

See also

References

  1. "Collins Dictionary - Boring Machine definition". Collins Dictionary.
  2. "LAZZATI S.p.A. High-Performance Boring-Mills Homepage". LAZZATI S.p.A. High-Performance Boring-Mills. March 14, 2025.
  3. "Home". Alesatrici, fresatrici, centri di lavoro | PAMA Rovereto.
  4. "Boring and milling machines | FPT Industrie".
  5. "ŠMT a.s. - Heavy-duty boring & milling machines & lathes for large workpieces". ŠMT a.s. - obráběcí stroje pro opracování rozměrných obrobků.
  6. "UCIMU". Ucimu - Sistemi per Produrre.